Areas of Heavy Rain in the East; Prolonged Heavy Rain and Snowfall Event for the Northwest U.S.

A storm system crossing the eastern U.S. today will bring areas of heavy rain over West Virginia and northern Illinois. A prolonged atmospheric river event will continue to bring moderate to heavy rain to northern into central California through the Pacific Northwest with mountain snow in the Cascades and northern Rockies today into next week. Read More >

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Last Map Update: Fri, Jan 31, 2025 at 7:58:17 am PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Winter Storm Warning

Gale Warning

Winter Weather Advisory

Small Craft Advisory

Lake Wind Advisory

Wind Advisory

Winter Storm Watch

Flood Watch

High Wind Watch

High Temperatures Today

Storm Timeline

Storm 1 Rainfall Totals

Storm 1 Snowfall Forecast

Moderate Snow

A look at the high temperatures across the region for today, Friday Jan 31, 2025.

A look at the current forecast for the active weather pattern NorCal will experience beginning tomorrow through into next week.

A look at the forecast rain totals for the first storm, which begins today and continues through Sunday. Widespread moderate to heavy rain is anticipated across the region.

A look at the snow totals for the first storm starting today and continuing through Sunday.

A relatively warm weather system will bring high elevation mountain snow Today-Sunday bringing 12 to 18 inches of snow above 6500 feet, locally up to 2 feet over peaks.