Active Weather Alerts
Dense Fog Advisory
Issued: 4:22 PM Feb. 4, 2026 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY... * WHAT...Visibility one quarter mile or less in dense fog. Worst case scenario with visibility down to zero. * WHERE...San Joaquin Valley. * WHEN...Until noon PST Thursday. * IMPACTS...Very high transportation risk. Low visibility will make driving conditions hazardous. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165, 180 and 198. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
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