National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Aug 30, 2026 at 2:40:12 pm MDT

Most of the lowlands will be dry for Sunday with storm chances favoring areas west of the Continental Divide.
The last day of August will be stormy west of the Continental Divide and the Black Range. The lowlands and Sacramento Mountains will see isolated storms at best on Monday.
Stay cool and hydrated during this late-season heat wave.

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