Alert archive / California / Extreme Cold Warnings in 2026
Extreme Cold Warning 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this extreme cold warning at Jan 7, 2026, 11:54 PM PST for Monterey County, San Benito County, Santa Clara County, California. It took effect at Jan 9, 2026, 1:00 AM PST. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 7, 2026, 11:54 PM PST (07:54 UTC)
- In effect from
- Jan 9, 2026, 1:00 AM PST
- Expired
- Jan 9, 2026, 9:00 AM PST
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Monterey County, CA, San Benito County, CA, Santa Clara County, CA
The radar
The San Francisco radar (KMUX), 70 km from the middle of the area, began a volume at 07:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this extreme cold warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this extreme cold warning went out at Jan 7, 8:55 PM PST, 2 hours 59 minutes earlier.
Area forecast discussion, Jan 7, 8:55 PM PST, 2 hours 59 minutes before
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</html>The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 11:54 PM PST | Cold Weather Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 33 hr |
Nearby
Extreme Cold Warnings in California, 2026Every extreme cold warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.