Active Weather Alerts
Frost Advisory
Issued: 7:35 AM Nov. 21, 2025 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Trinity County, and Northeastern Mendocino Interior. * WHEN...Until 10 AM PST Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Fog will likely make frost formation localized and inconsistent. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
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