Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

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Last Map Update: Wed, Dec 3, 2025 at 9:42:07 am PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

Coastal Flood Advisory

Small Craft Advisory

Lake Wind Advisory

Beach Hazards Statement

High Tides and Coastal Flooding This Week

Higher than normal tides are forecast this week, which is expected to bring minor coastal flooding impacts around Humboldt Bay (King Salmon and Jackson Ranch Rd in the Arcata Bottoms). The absence of storm surge and high surf are likely to keep impacts minor and confined mostly to Humboldt Bay. For details visit: https://tidesandcurrents.noaa.gov/stations.html?type=Water+Levels#California