Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

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Last Map Update: Mon, Aug 10, 2026 at 3:54:34 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Extreme Heat Warning

Gale Warning

Coastal Flood Advisory

Small Craft Advisory

Moderate HeatRisk Today

Forecast High Temperatures

Elevated Fire Weather Conditions

Thunderstorm Chances This Week

Lightning Safety

Hot temperatures continue today with areas of Moderate HeatRisk across the Valley and foothills.

A look at the forecast temperatures the next 7 days across interior NorCal.

Elevated Fire Weather Conditions through Today. Low daytime humidity values, locally breezy winds, and hot conditions will lead to easier fire starts across the northern Sacramento Valley, Burney Basin, and Foothills of the Sierra.