Unsettled Weather in the West; Wintry Mix and Ice Accumulation Possible in Iowa and Vicinity

Significant low elevation rain and higher elevation snow is expected across central California and the Pacific Northwest into the Rockies through the weekend. A wintry mix and some ice accumulation will impact portions of the Central Plains through the Upper Midwest through Saturday. Widespread rain is forecast across the Southern Plains into the Mid-Mississippi and Ohio valleys this weekend. Read More >

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Last Map Update: Sun, Dec 15, 2024 at 4:42:26 am PST

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Avalanche Warning

Gale Warning

Winter Weather Advisory

Cold Weather Advisory

Flood Advisory

Coastal Flood Advisory

High Surf Advisory

Small Craft Advisory

Frost Advisory

Tornado Damage Survey

Minor Coastal Flooding Thursday Through Monday

Frost Advisory in effect Sunday Morning

A team from the National Weather Service San Francisco Bay Area conducted a storm survey in Scotts Valley. The team identified a swath of tornadic damage that began near the intersection of Mount Hermon Rd and Lockewood Ln and continued southeast along Mount Hermon Rd until just short of Kings Village Rd. A wide range of damage was observed including: downed trees, downed power poles, trees stripped of branches, numerous overturned vehicles, and damaged street signs. Based on these damage indicators the survey team assessed a maximum wind speed of 90 mph, which is a weak EF1 tornado.

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Unsettled Weather in the West; Wintry Mix and Ice Accumulation Possible in Iowa and Vicinity

NWS Forecast Office San Francisco, CA