Alert archive / California / Extreme Cold Warnings in 2026

Extreme Cold Warning 3, NWS San Francisco Bay Area, CA

January 10, 2026Monterey County, California

NWS San Francisco Bay Area, CA issued this extreme cold warning at Jan 10, 2026, 11:14 AM PST for Monterey County, California. It took effect at Jan 11, 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 10, 2026, 11:14 AM PST (19:14 UTC)
In effect from: Jan 11, 2026, 1:00 AM PST
Expired: Jan 11, 2026, 9:00 AM PST
In force: 8 hr
Issued by: NWS San Francisco Bay Area, CA

County Monterey County, CA

The radar

The San Francisco radar (KMUX), 115 km from the middle of the area, began a volume at 19:19 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 10, 9:30 AM PST, 1 hour 44 minutes earlier.

Area forecast discussion, Jan 10, 9:30 AM PST, 1 hour 44 minutes before

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The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 10, 2:41 AM PST	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	64 hr
Jan 10, 11:14 AM PST	Cold Weather Advisory	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more	22 hr
Jan 10, 2:43 PM PST	Small Craft Advisory	MTR		42 hr

Nearby

Extreme Cold Warnings in California, 2026 Every 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.