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Alert Archives for All California Counties
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115 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:August 5, 2026 - 7:00 am PDT
Plumas County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 4 11:04 am Expired: Aug 5 4:00 pm Duration: 1 day   4 hrs   56 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 12:16 am Expired: Aug 5 4:15 pm Duration: 15 hrs   59 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 10:56 am Expired: Aug 6 4:00 pm Duration: 1 day   5 hrs   04 mins  
Lassen County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 4 11:04 am Expired: Aug 5 4:00 pm Duration: 1 day   4 hrs   56 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 12:16 am Expired: Aug 5 4:15 pm Duration: 15 hrs   59 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 10:56 am Expired: Aug 6 4:00 pm Duration: 1 day   5 hrs   04 mins  
Modoc County
HTY.gif   HEAT ADVISORY   (6 updates)
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 4 11:04 am Expired: Aug 5 4:00 pm Duration: 1 day   4 hrs   56 mins  
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 4 1:56 pm Expired: Aug 5 5:00 am Duration: 15 hrs   04 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 12:16 am Expired: Aug 5 4:15 pm Duration: 15 hrs   59 mins  
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 5 4:45 am Expired: Aug 5 4:45 pm Duration: 12 hrs   00 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 10:56 am Expired: Aug 6 4:00 pm Duration: 1 day   5 hrs   04 mins  
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 5 2:15 pm Expired: Aug 6 5:00 am Duration: 14 hrs   45 mins  
Sierra County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 4 11:04 am Expired: Aug 5 4:00 pm Duration: 1 day   4 hrs   56 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 12:16 am Expired: Aug 5 4:15 pm Duration: 15 hrs   59 mins  
  Areas affected: Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Reno-Carson City-Minden Area; Northern Washoe County
Effective: Aug 5 10:56 am Expired: Aug 6 4:00 pm Duration: 1 day   5 hrs   04 mins  
Del Norte County
FWW.gif   RED FLAG WARNING   (3 updates)
  Areas affected: Western Klamath National Forest; Shasta-Trinity National Forest in Siskiyou County; Umpqua Basin; Umpqua National Forest; Western Rogue Basin including the Illinois Valley; Siskiyou Mountains; Eastern Rogue Valley; Southern Oregon Cascades
Effective: Aug 4 10:05 pm Expired: Aug 5 2:00 pm Duration: 15 hrs   55 mins  
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley
Effective: Aug 5 12:31 pm Expired: Aug 6 5:45 am Duration: 17 hrs   14 mins  
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley
Effective: Aug 5 12:31 pm Expired: Aug 6 5:45 am Duration: 17 hrs   14 mins  
Siskiyou County   2 alerts
FWW.gif   RED FLAG WARNING   (4 updates)
  Areas affected: Western Klamath National Forest; Shasta-Trinity National Forest in Siskiyou County; Umpqua Basin; Umpqua National Forest; Western Rogue Basin including the Illinois Valley; Siskiyou Mountains; Eastern Rogue Valley; Southern Oregon Cascades
Effective: Aug 4 10:05 pm Expired: Aug 5 2:00 pm Duration: 15 hrs   55 mins  
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley
Effective: Aug 5 12:31 pm Expired: Aug 6 5:45 am Duration: 17 hrs   14 mins  
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley
Effective: Aug 5 12:31 pm Expired: Aug 6 5:45 am Duration: 17 hrs   14 mins  
  Areas affected: Shasta-Trinity National Forest in Siskiyou County; Umpqua Basin; Umpqua National Forest; Siskiyou Mountains; Southern Oregon Cascades
Effective: Aug 5 12:31 pm Expired: Aug 5 9:00 pm Duration: 8 hrs   29 mins  
HTY.gif   HEAT ADVISORY   (6 updates)
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 4 1:56 pm Expired: Aug 5 5:00 am Duration: 15 hrs   04 mins  
  Areas affected: Western Siskiyou County; Central Siskiyou County; Eastern Curry County and Josephine County; Jackson County
Effective: Aug 4 1:56 pm Expired: Aug 5 5:00 am Duration: 15 hrs   04 mins  
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 5 4:45 am Expired: Aug 5 4:45 pm Duration: 12 hrs   00 mins  
  Areas affected: Western Siskiyou County; Central Siskiyou County; Eastern Curry County and Josephine County; Jackson County
Effective: Aug 5 4:45 am Expired: Aug 5 4:45 pm Duration: 12 hrs   00 mins  
  Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 5 2:15 pm Expired: Aug 6 5:00 am Duration: 14 hrs   45 mins  
  Areas affected: Western Siskiyou County; Central Siskiyou County; Eastern Curry County and Josephine County; Jackson County
Effective: Aug 5 2:15 pm Expired: Aug 6 5:00 am Duration: 14 hrs   45 mins  
Fresno County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Kern County   2 alerts
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
SVW.gif   EXTREME HEAT WARNING   (3 updates)
  Areas affected: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Kings County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Madera County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Mariposa County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Merced County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Tulare County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 4 8:41 pm Expired: Aug 5 5:00 am Duration: 8 hrs   19 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 4:40 am Expired: Aug 5 1:00 pm Duration: 8 hrs   20 mins  
  Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills; Kern River Valley; Tehachapi; Grapevine; Frazier Mountain Communities
Effective: Aug 5 11:10 am Expired: Aug 6 8:00 am Duration: 20 hrs   50 mins  
Humboldt County
HTY.gif   HEAT ADVISORY   (2 updates)
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt
Effective: Aug 4 10:46 pm Expired: Aug 5 7:00 am Duration: 8 hrs   14 mins  
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt
Effective: Aug 5 6:12 am Expired: Aug 5 11:00 pm Duration: 16 hrs   48 mins  
Imperial County
SVW.gif   EXTREME HEAT WARNING   (6 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Imperial County Southwest; Salton Sea; Imperial County Southeast; Imperial County West; Imperial Valley
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Imperial County Southwest; Salton Sea; Imperial County Southeast; Imperial County West; Imperial Valley
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
Riverside County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (9 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Imperial County Southwest; Salton Sea; Imperial County Southeast; Imperial County West; Imperial Valley
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Imperial County Southwest; Salton Sea; Imperial County Southeast; Imperial County West; Imperial Valley
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
HTY.gif   HEAT ADVISORY   (6 updates)
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: Riverside County Mountains
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: Riverside County Mountains
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
  Areas affected: Riverside County Mountains
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
San Bernardino County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (7 updates)
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 4 11:33 pm Expired: Aug 5 3:30 pm Duration: 15 hrs   57 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 4 5:54 pm Expired: Aug 5 6:00 pm Duration: 1 day   0 hrs   06 mins  
  Areas affected: Apple and Lucerne Valleys
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: Apple and Lucerne Valleys
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 5 10:38 am Expired: Aug 6 5:00 am Duration: 18 hrs   22 mins  
  Areas affected: Joshua Tree NP West; Joshua Tree NP East; Chuckwalla Mountains; Chiriaco Summit
Effective: Aug 5 11:39 am Expired: Aug 6 3:30 am Duration: 15 hrs   51 mins  
  Areas affected: Apple and Lucerne Valleys
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
HTY.gif   HEAT ADVISORY   (6 updates)
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: San Bernardino County Mountains
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: San Bernardino County Mountains
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
  Areas affected: San Bernardino County Mountains
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
Inyo County   2 alerts
HTY.gif   HEAT ADVISORY   (2 updates)
  Areas affected: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Sheep Range; Spring Mountains-Red Rock Canyon
Effective: Aug 4 5:54 pm Expired: Aug 5 6:00 pm Duration: 1 day   0 hrs   06 mins  
  Areas affected: Eastern Sierra Slopes of Inyo County; White Mountains of Inyo County; Sheep Range; Spring Mountains-Red Rock Canyon
Effective: Aug 5 10:38 am Expired: Aug 6 5:00 am Duration: 18 hrs   22 mins  
SVW.gif   EXTREME HEAT WARNING   (2 updates)
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 4 5:54 pm Expired: Aug 5 6:00 pm Duration: 1 day   0 hrs   06 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Owens Valley South; Owens Valley North; Esmeralda and Central Nye County; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 5 10:38 am Expired: Aug 6 5:00 am Duration: 18 hrs   22 mins  
San Diego County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (3 updates)
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: San Diego County Mountains
Effective: Aug 4 9:35 pm Expired: Aug 5 6:15 am Duration: 8 hrs   40 mins  
  Areas affected: San Diego County Mountains
Effective: Aug 5 3:57 am Expired: Aug 5 3:30 pm Duration: 11 hrs   33 mins  
  Areas affected: San Diego County Mountains
Effective: Aug 5 12:50 pm Expired: Aug 5 10:15 pm Duration: 9 hrs   25 mins  
San Luis Obispo County
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 4 8:53 pm Expired: Aug 5 7:00 pm Duration: 22 hrs   07 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 11:17 am Expired: Aug 5 11:30 pm Duration: 12 hrs   13 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 2:13 pm Expired: Aug 9 8:00 pm Duration: 4 days   5 hrs   47 mins  
Santa Barbara County   2 alerts
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 4 8:53 pm Expired: Aug 5 7:00 pm Duration: 22 hrs   07 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 11:17 am Expired: Aug 5 11:30 pm Duration: 12 hrs   13 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 2:13 pm Expired: Aug 9 8:00 pm Duration: 4 days   5 hrs   47 mins  
SVW.gif   EXTREME HEAT WARNING   (3 updates)
  Areas affected: Cuyama Valley
Effective: Aug 4 8:53 pm Expired: Aug 5 7:00 pm Duration: 22 hrs   07 mins  
  Areas affected: Cuyama Valley
Effective: Aug 5 11:17 am Expired: Aug 5 11:30 pm Duration: 12 hrs   13 mins  
  Areas affected: Cuyama Valley
Effective: Aug 5 2:13 pm Expired: Aug 9 8:00 pm Duration: 4 days   5 hrs   47 mins  
Ventura County   2 alerts
HTY.gif   HEAT ADVISORY   (3 updates)
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 4 8:53 pm Expired: Aug 5 7:00 pm Duration: 22 hrs   07 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 11:17 am Expired: Aug 5 11:30 pm Duration: 12 hrs   13 mins  
  Areas affected: San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
Effective: Aug 5 2:13 pm Expired: Aug 9 8:00 pm Duration: 4 days   5 hrs   47 mins  
SVW.gif   EXTREME HEAT WARNING   (3 updates)
  Areas affected: Northern Ventura County Mountains
Effective: Aug 4 8:53 pm Expired: Aug 5 7:00 pm Duration: 22 hrs   07 mins  
  Areas affected: Northern Ventura County Mountains
Effective: Aug 5 11:17 am Expired: Aug 5 11:30 pm Duration: 12 hrs   13 mins  
  Areas affected: Northern Ventura County Mountains
Effective: Aug 5 2:13 pm Expired: Aug 9 8:00 pm Duration: 4 days   5 hrs   47 mins  
Trinity County
HTY.gif   HEAT ADVISORY   (2 updates)
  Areas affected: Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity
Effective: Aug 4 10:46 pm Expired: Aug 5 7:00 am Duration: 8 hrs   14 mins  
  Areas affected: Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity
Effective: Aug 5 6:12 am Expired: Aug 5 11:00 pm Duration: 16 hrs   48 mins  


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