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 >

Dangerous heat and humidity will continue again today. Thunderstorms in the late afternoon may limit heat farther north, but it is expected well after maximum heat indices are achieved. Make sure to take precautions to stay cool!
There is a chance for showers and storms this afternoon, some of which may be strong to locally severe. Gusty and potentially damaging winds are the primary hazard, though localized downpours are possible. Shower/storm coverage could potentially expand overnight into tomorrow morning as a front sags southward over Illinois.
Hot and humid conditions prevail today, but a threat for showers and storms moves in late this afternoon and again overnight. Better chances for widespread heat relief is expected over the weekend.