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 >

Scattered thunderstorms are possible (15-30%) tonight after midnight, mainly along and north of HWY 6. Some storms may be strong to severe. The chance of showers/thunderstorms returns Tuesday evening, mainly after 5PM. September will start off hot, with highs in the upper 80s to low 100s.
Strong to severe storms may impact portions of the area beginning around midnight tonight. Hail up to around quarter size and wind gusts up to around 60 MPH are possible.
Strong to severe storms may impact portions of the area Tuesday evening into Tuesday night. Large hail and damaging winds are possible.
Summer Sizzles into September as high temperatures potentially top the triple digits this weekend. Mornings won't feel very cool or crisp, either, with lows likely stuck in the 70s. Extended forecast guidance suggests above normal temperatures are favored through at least the first half of the month. Normal high temperatures are gradually falling through the 80s this time of year.