National Weather Service United States Department of Commerce

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 7:08:16 am PDT

A Dense Fog Advisory is in effect through 9 AM for the Sonoma County valleys due to visibilities below a quarter of a mile. Low visibility could make driving conditions hazardous. If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you. If commuting, allow extra drive time to reach your destination safely.

 

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