Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

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Last Map Update: Sat, Aug 29, 2026 at 1:52:12 pm PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Small Craft Advisory

Cooling Trend this Week

Pushing the summer heat behind us, a cooling trend into the upcoming week will cause temperatures to fall below season averages by 5 to 10 degrees. By midweek, there is less than a 20 percent probability for valley temperatures to exceed 90 degrees. While these are cooler temperatures, there remains a minor risk for heat-related illnesses to those extremely sensitive to heat.

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Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

NWS Forecast Office Hanford, CA