Eureka, California Weather Alert Tuesday: Fog This Morning, Unseasonable Warmth by Wednesday

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California – Mist hangs low along the North Coast this morning, softening headlights and blurring treelines as drivers ease through damp streets. The air feels cool and heavy, and visibility drops quickly near Humboldt Bay, signaling a cautious start to the day.

According to the National Weather Service office serving Eureka, mist and patchy fog continue through the morning hours, with visibility near one mile at times. Temperatures sit in the upper 40s early, then climb steadily as clouds thin. Roads may feel slick in spots, especially near the coast and shaded low-lying areas.

By midday, conditions improve noticeably. Sunshine breaks through, pushing highs into the upper 50s. Winds remain light, helping calmer weather settle in. For now, travel impacts stay minor, but drivers along U.S. 101 should remain alert during the early hours when mist thickens suddenly.

The bigger story arrives midweek. Tuesday brings more sunshine and warmer air, with highs jumping into the low 60s. By Wednesday, temperatures surge into the mid-60s, an unusual February warm-up for the North Coast. To be fair, mornings stay cool and clear, but afternoons will feel more like early spring.

This quiet pattern holds into Thursday before clouds increase late week. By the Feb 6–8 weekend, rain chances return, first as spotty showers Saturday, then more widespread rain likely by Sunday. While snow remains a non-issue at sea level, cooler nights could create slick patches where daytime moisture lingers.

Meteorologists note the contrast nationwide remains sharp. While the Great Lakes stay locked in ice and Arctic air grips the East, Northern California enjoys a mild break. Still, conditions can shift quickly along the coast.

Slow down in fog, use low beams, and plan for changing visibility. Noticing thick mist where you live this morning? Let us know.

Five Day Weather Outlook for Eureka, California
Today: Morning mist, partly sunny, high near 58.
Tuesday: Mostly sunny, high near 62.
Wednesday: Sunny and warm, high near 65.
Thursday: Sunny, high near 64.
Friday: Partly sunny, high near 61.