Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

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Last Map Update: Sat, Nov 29, 2025 at 7:28:31 pm PST

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Small Craft Advisory

Beach Hazards Statement

Exit November, Enter December Weather Highlights

As November ends and December begins, we'll see near-average cool weather with daytime highs similar across Sierra, Tahoe and western NV communities, mainly in the 40s and 50s. Sunday will feel the coolest overall due to increased northeast winds. Expect chilly mornings as well into the start of December, especially for Sierra valleys where lows dip into the teens. Dry conditions prevail through Monday, except for a slight chance of snow flurries north of Lovelock Sunday morning.