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NOAA's National Weather Service
Each location shows all alerts on one page
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
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 FREEZE WARNING |
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| Mendocino County | ||
| Effective: Wed, 4/22 1:40pm | Severity: Moderate | |
| Updated: April 22, 2026 5:46 pm | Urgency: Expected | |
| Expires: Wed, 4/22 9:45pm | Certainty: Likely | |
| Areas Affected: Southern Trinity - Northeastern Interior Mendocino - Northern Lake - Northeastern Trinity | ||
Alert
Details:
* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Northern Lake, Northeastern Interior Mendocino, Northeastern Trinity, and Southern Trinity. * WHEN...From 2 AM to 8 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Information: Take steps now to protect tender plants from the cold. |
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 FROST ADVISORY |
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| Mendocino County | ||
| Effective: Wed, 4/22 1:40pm | Severity: Minor | |
| Updated: April 22, 2026 5:46 pm | Urgency: Expected | |
| Expires: Wed, 4/22 9:45pm | Certainty: Likely | |
| Areas Affected: Interior Del Norte - Northern Coastal Humboldt - Southwestern Humboldt - Northeastern Interior Humboldt - Southeastern Interior Humboldt - Coastal Mendocino - Northwestern Interior Mendocino - Southwestern Interior Mendocino - Southeastern Interior Mendocino - Western Lake - Southwestern Lake - Eastern Lake | ||
Alert
Details:
* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of central and northwest California. * WHEN...From 2 AM to 8 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Information: Take steps now to protect tender plants from the cold. |
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