Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet.
Up to an additional 3 feet over the highest peaks. Also, 3 to 6
inches of snow expected down to 3,000 feet and up to 3 inches down
to 2,000 feet. Winds gusting as high as 50 mph.
* WHERE...Sierra Nevada and adjacent foothills.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Wednesday evening and
Thursday morning commutes. Gusty winds could bring down tree
branches.
From: Feb 18, 2026 19:13
Until: Feb 19, 2026 03:15
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet.
Up to an additional 3 feet over the highest peaks. Also, 3 to 6
inches of snow expected down to 3,000 feet and up to 3 inches down
to 2,000 feet. Winds gusting as high as 50 mph.
* WHERE...Sierra Nevada and adjacent foothills.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning and evening
commutes. Gusty winds could bring down tree branches.
From: Feb 18, 2026 09:43
Until: Feb 18, 2026 19:15
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Buena Vista, Indian Wells Valley, Mojave Desert, Mojave
Desert Slopes, West Side Mountains South of 198, and West Side
Mountains north of 198.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Feb 18, 2026 09:55
Until: Feb 18, 2026 19:00
Dense Fog Advisory
* WHAT...Visibility from one quarter mile down to 200 feet or less
in dense fog.
* WHERE...A portion of central California.
* WHEN...Until noon PST Monday.
* IMPACTS...Low visibility could make driving conditions dangerous.
* 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.
From: Feb 02, 2026 04:46
Until: Feb 02, 2026 13:00
Dense Fog Advisory
* WHAT...Visibility from one quarter mile down to 200 feet or less
in dense fog.
* WHERE...Across the San Joaquin Valley.
* WHEN...From 11 PM this evening to noon PST Monday.
* IMPACTS...Low visibility could make driving conditions dangerous.
* 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.
From: Feb 01, 2026 21:01
Until: Feb 02, 2026 05:15
Dense Fog Advisory
* WHAT...Visibility from one quarter mile down to 200 feet or less
in dense fog.
* WHERE...A portion of central California.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could 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.
From: Feb 01, 2026 12:54
Until: Feb 01, 2026 20:00
Dense Fog Advisory
* WHAT...Visibility from one quarter mile down to 200 feet or less
in dense fog.
* WHERE...A portion of central California.
* WHEN...Until noon PST Sunday.
* IMPACTS...Low visibility could make driving conditions dangerous.
* 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.
From: Feb 01, 2026 04:50
Until: Feb 01, 2026 13:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...San Joaquin Valley.
* WHEN...Until noon PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 31, 2026 04:37
Until: Jan 31, 2026 16:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...San Joaquin Valley
* WHEN...From 10 PM this evening to noon PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 30, 2026 20:33
Until: Jan 31, 2026 05:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...A portion of central California.
* WHEN...Until noon PST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 30, 2026 04:39
Until: Jan 30, 2026 13:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...A portion of central California.
* WHEN...From 10 PM this evening to noon PST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 29, 2026 20:41
Until: Jan 30, 2026 04:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...San Joaquin Valley, Grapevine, and Tehachapi area.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 29, 2026 10:21
Until: Jan 29, 2026 20:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...A portion of central California.
* WHEN...From 11 PM this evening to noon PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 29, 2026 01:46
Until: Jan 29, 2026 10:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...A portion of central California.
* WHEN...From 11 PM this evening to noon PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
Visibility can change quickly, before you have time to react.
* ADDITIONAL DETAILS...-The Dense Fog Advisory for this morning has
been cancelled due to visibilities improving. The Dense Fog
Advisory for this evening to tomorrow morning is still going into
effect later tonight.
-Highways include, but are not limited to Interstate 5, State
Routes 99, 41, 43, 46, 58, 59, 140, 152, 165, 180 and 198.
From: Jan 28, 2026 18:03
Until: Jan 29, 2026 02:15
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...San Joaquin Valley.
* WHEN...For the first Dense Fog Advisory, until noon PST today. For
the second Dense Fog Advisory, from 11 PM this evening to noon PST
Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 28, 2026 11:00
Until: Jan 28, 2026 20:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Worst
case scenario, visibilities down to zero.
* WHERE...A portion of central California.
* WHEN...For the first Dense Fog Advisory, from 1 AM to noon PST
Wednesday. For the second Dense Fog Advisory, from 11 PM Wednesday
to noon PST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
Visibility can change quickly, before you have time to react.
* ADDITIONAL DETAILS...Highways include, but are not limited to
Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
180 and 198.
From: Jan 27, 2026 23:38
Until: Jan 28, 2026 11:45
