Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

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Last Map Update: Sat, Apr 18, 2026 at 12:50:21 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Freeze Warning

Frost Advisory

Rain Forecast

Snow Forecast

Max Temps

Thunderstorms

Rain Forecast: Sun PM - Wed. Minor Impacts. Slick roads and thunderstorm chances. Snow levels 6000 to 7000 ft Monday, lowering to around 5000-6000 ft Tuesday into Wednesday.

Snow Forecast: Sunday PM - Wednesday. Moderate Impacts. Travel delays and slick roads. Chain controls. Reductions in visibilities at times. Snow levels 6000 to 7000 ft Monday, lowering to around 5000 to 6000 ft Tuesday into Wednesday.

Max temperatures for the week. Above normal temperatures through Sunday, then rapid cooling trend starting Monday with near normal temperatures throughout next week.