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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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| Trinity County | ||
| Effective: Mon, 12/22 9:17pm | Severity: Moderate | |
| Updated: December 23, 2025 12:31 am | Urgency: Expected | |
| Expires: Tue, 12/23 5:30am | Certainty: Likely | |
| Areas Affected: Northern Trinity - Southern Trinity | ||
Alert
Details:
* WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected over the ridges. * WHERE...Trinity County. * WHEN...From midnight Tuesday Night to 10 AM PST Wednesday. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Information: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
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| Trinity County | ||
| Effective: Mon, 12/22 11:53pm | Severity: Severe | |
| Updated: December 23, 2025 12:31 am | Urgency: Future | |
| Expires: Tue, 12/23 11:15am | Certainty: Possible | |
| Areas Affected: Coastal Del Norte - Del Norte Interior - Northern Humboldt Coast - Southwestern Humboldt - Northern Humboldt Interior - Southern Humboldt Interior - Northern Trinity - Southern Trinity - Mendocino Coast - Northwestern Mendocino Interior - Northeastern Mendocino Interior - Southwestern Mendocino Interior - Southeastern Mendocino Interior - Northern Lake County - Southern Lake County | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Del Norte County, Humboldt County, Trinity County, Mendocino County, and Lake County. * WHEN...Through Friday evening. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Additional rounds of heavy rain are likely again starting tonight and continuing through Friday night. An additional 3-6, locally up to 9 inches of total precipitation is possible through Friday. There will be breaks in the heavy precipitation, but heavy rain falling on already saturated ground will promote flooding impacts. The more widespread moderate to heavy precipitation will not arrive until Tuesday afternoon. - http://www.weather.gov/safety/flood Information: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. |
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| Trinity County | ||
| Effective: Mon, 12/22 9:56pm | Severity: Severe | |
| Updated: December 23, 2025 12:31 am | Urgency: Future | |
| Expires: Tue, 12/23 6:00am | Certainty: Possible | |
| Areas Affected: Northern Trinity - Southern Trinity | ||
Alert
Details:
* WHAT...Heavy snow possible above 4000 feet. Total snow accumulations between 1 to 2 feet possible. Winds could gust as high as 55 mph. * WHERE...Trinity County. * WHEN...From Wednesday afternoon through Friday evening. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Information: Monitor the latest forecasts for updates on this situation. |
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