Eureka, Calif. – Drivers in Humboldt County should prepare for dense fog and slick roads overnight into Friday morning, especially along U.S. 101 near Eureka. Reduced visibility and patchy drizzle may slow the morning commute and create hazards for late-night travelers.
According to the National Weather Service in Eureka, fog will thicken after midnight Thursday, dropping visibility below a half mile at times. Light drizzle could form before dawn Friday, keeping roads damp for early drivers. Officials urge motorists to use low-beam headlights and allow extra time when traveling through the morning hours.
Conditions improve Friday afternoon as skies turn partly sunny with highs in the mid-60s. However, fog returns Friday night, and the pattern of cloudy mornings and brighter afternoons continues into Saturday. Outdoor plans should be flexible as fog lingers through the late mornings.
Rain chances increase Sunday, with light showers possible after 11 a.m. and steadier rain by late evening. The system could impact weekend events, especially outdoor gatherings and early fall sports. Showers remain possible Monday and Tuesday as the coastal pattern stays unsettled.
Residents are advised to charge devices, check headlights, and avoid unnecessary travel during the heaviest fog or wettest periods. More updates are expected as weekend rain develops.
Five Day Forecast for Eureka, Calif.:
- Friday: Patchy fog before 2 p.m., then partly sunny. High near 64.
- Saturday: Patchy fog early, then mostly cloudy. High near 66. Fog returns at night.
- Sunday: Rain chances after 11 a.m., steadier by night. High near 68.
- Monday: Rain likely, with patchy fog. High near 65.
- Tuesday: Chance of rain, fog early, mostly cloudy. High near 64.




