Moderate Expected Likely Dense Fog Advisory Dense Fog Advisory issued February 4 at 4:35PM PST until February 5 at 12:00PM PST by NWS Hanford CA Feb 4, 4:35 PM → Feb 5, 12:00 PM WHAT: Visibility one quarter mile or less in dense fog. Worstcase scenario with visibility down to zero. WHERE: Across the San Joaquin Valley. WHEN: Until noon PST Thursday. IMPACTS: Very high transportation risk. Low visibility will makedriving conditions hazardous. ADDITIONAL DETAILS: Highways impacted include, but are notlimited to Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140,152, 165, 180 and 198. + Read More If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Updated: Feb 4, 5:11 PM Source: NWS Alert