National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

High heat and humidity will persist through the weekend with one more day of warning level conditions on Thursday. Multiple rounds of thunderstorms are possible from now through the weekend as well, with severe levels possible.
Heat index values in the 100 to 105 degree range expected into Thursday after a night of temperatures in the upper 70s to low 80s, leading to continued Extreme Heat impacts. Warm and humid conditions will continue through the weekend.
An active period of severe thunderstorms is setting up through at least the next few days. Multiple rounds of storms are forecast with all hazards possible.
Multiple rounds of strong to severe thunderstorms are possible this afternoon into tonight. All hazards are also possible with damaging winds, large hail, flash flooding and a tornado or two.