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 HEAT ADVISORY |
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| San Joaquin County | ||
| Effective: Fri, 8/7 11:38am | Severity: Moderate | |
| Updated: August 7, 2026 1:15 pm | Urgency: Expected | |
| Expires: Sat, 8/8 3:00pm | Certainty: Likely | |
| Areas Affected: Western Shasta County Mountains Above 3000 ft - Western Shasta County Foothills Between 1000-3000 ft - Shasta Lake Area and Interstate 5 Between 1000-3000 ft - South-Central Shasta County Including Redding Metro - Eastern Shasta County Foothills Between 1000-3000 ft - Eastern Shasta County Mountains and Southern Cascades Above 3000 ft - Burney Basin - Lassen Volcanic National Park - Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft - Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft - Northern Motherlode Between 1000-3000 ft - Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80 - Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80 - Central Motherlode Between 1000-3000 ft - Sierra Nevada of El Dorado and Amador Counties Between 3000-5000 ft Including Highway 50 - Southern Motherlode Between 1000-3000 ft - Sierra Nevada of Calaveras and Tuolumne Counties Between 3000-5000 ft - Tehama County Coast Range Above 3000 ft - Western Tehama County Foothills Between 1000-3000 ft - Northern Sacramento Valley in Tehama County - Glenn and Colusa County Coast Range Above 3000 ft - Central Glenn County Including Interstate 5 - Eastern Glenn County - Butte County Below 1000 ft - Western Glenn and Colusa County Foothills Between 1000-3000 ft - Central Colusa County Including Interstate 5 - Eastern Colusa County - Sutter and Yuba Counties Below 1000 ft - Capay Hills of Yolo County and Vaca Hills of Solano County - Western Yolo County Including Capay Valley and Interstate 505 - Central Yolo and Northeast Solano Counties Including Woodland and Davis - Sacramento Metro and Western El Dorado and Amador Counties - San Joaquin County Delta - Central San Joaquin County Including Stockton Metro - Tracy Triangle Below 1000 ft - Northeastern San Joaquin Valley Below 1000 ft - Eastern Diablo Range Above 1000 ft - Western Stanislaus County Below 1000 ft Including Interstate 5 - Central Stanislaus County Including Modesto Metro | ||
Alert
Details:
* WHAT...High temperatures of 102 to 108 and low temperatures of 65 to 80 expected, with Moderate to Major HeatRisk. * WHERE...The Sacramento and San Joaquin Valleys, foothills, Coast Range, and Sierra from Highway 50 northward * WHEN...Until 10 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses, especially anyone without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...The heat is expected to peak on Saturday, with areas of Major HeatRisk. Hottest temperatures and warmest overnight lows expected in the northern Sacramento Valley and Sierra foothills thermal belts. Information: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. |
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