Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

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Last Map Update: Wed, Aug 5, 2026 at 1:20:56 pm 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

Red Flag Warning

Heat Advisory

Extreme Heat Watch

Elevated Fire Weather Conditions Thru Sunday

Moderate HeatRisk

High Temperatures

Minimum Relative Humidities

Wildfire Smoke Safety

Elevated Fire Weather Conditions through Sunday. 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.

Widespread Moderate HeatRisk with areas of Major HeatRisk are in the forecast through Sunday across interior NorCal. Stay in a cool place during the heat of the day, and be sure to check on those most sensitive to heat.

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

A look at the minimum relative humidities over the next 7 days. Hot and dry conditions are expected over the next several days.

Protecting yourself from wildfire smoke. Check local air quality reports. Check on sensitive groups such as people with cardiovascular or respiratory diseases. Stay indoors if possible. Keep windows and doors closed. Use an air cleaner.