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 >

Reservoirs may have a variety of uses from flood control to water supply to electricity generation. Reservoir storage levels can be an indicator of long term water supply deficiencies and drought.

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Interactive map of water supply for reservoirs in Oklahoma, Texas, and Louisiana