California Weather Alert Today: 80% Weekend Rain Threat in Eureka With Fog and Slick U.S. 101 Roads

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California – Low clouds hang over Humboldt Bay this morning, and damp air clings to the shoreline as Eureka braces for a soggy stretch heading into the weekend. Roads remain dry for now, but rain chances ramp up quickly after sunset.

According to the National Weather Service in Eureka, today stays partly sunny with a high near 62. Winds turn northwest around 6 mph this afternoon. After 4 p.m., showers become likely, and patchy fog develops late. Temperatures fall to around 49 tonight with a 60 percent chance of rain.

Saturday turns wetter. Showers and isolated thunderstorms develop after 4 p.m., with precipitation chances near 80 percent. Rainfall totals range from a tenth to a quarter inch, except higher amounts possible in heavier cells. Gusts may reach 20 mph. Expect slick pavement along U.S. 101 and winding coastal routes by evening.

Saturday night and Sunday stay unsettled. Showers remain likely, and patchy fog lingers. Highs cool into the upper 50s by Sunday, with lows dipping into the upper 40s. Plan extra time for travel, especially during heavier bursts.

Monday brings partial improvement. A 30 percent chance of showers lingers before 10 a.m., then skies gradually brighten with highs near 58. Early March still looks active, with additional rain chances returning Tuesday afternoon and beyond.

The 6–10 day outlook hints at slightly above-normal temperatures developing later next week, offering modest Spring Vibes after this damp stretch.

Five Day Outlook for Eureka, California:

Today: Partly sunny, high 62. Showers late.
Saturday: Showers likely, high 61.
Sunday: Showers likely, high 57.
Monday: Slight morning showers, high 58.
Tuesday: Slight chance of rain after 4 p.m., high 57.