Eureka, CA

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The Fire Weather Zones in Del Norte, Humboldt, Trinity, Mendocino, and Lake Counties will be Changing in April 2026
The Public Forecast Zones in Trinity and Lake Counties will be Changing in April 2026

Click a location below for detailed forecast.

Last Map Update: Sat, Feb 28, 2026 at 6:36:37 am PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Small Craft Advisory

Chance for Thunderstorms

Rain Forecast

Chance for thunderstorms will increase during the day on Saturday. Highest chances are expected in the interior during the afternoon and evening. A few stronger storms in the interior may produce (10% chance) brief torrential downpours. Slick and hazardous driving conditions will be possible.

Periods of light rain are expected today through Monday. Generally, less than half an inch of rain is forecast through early Monday morning. Locally heavier rainfall amounts will be possible with thunderstorms or stronger showers. Snow levels are forecast to remain above 9,000 feet today and then fall to around 6,000 to 6,500 feet Sunday afternoon and evening. Some light snow amounts will be possible over the Trinity mountains Sunday afternoon through Sunday night. Slick and hazardous driving conditions are possible in heavy showers.