National Weather Service United States Department of Commerce

Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

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Last Map Update: Fri, Jul. 21, 2017 at 7:58:29 pm CDT

National Weather Service Springfield, MONational Weather Service Paducah, KYNational Weather Service Nashville, TN
National Weather Service Little Rock, ARZoom

National Weather Service Huntsville, AL
National Weather Service Shreveport, LANational Weather Service Jackson, MississippiNational Weather Service NWS Birmingham, Alabama


Dangerous heat will continue across the Mid-South through this weekend. Heat indices will top out at or just above 110 degrees along and west of the Mississippi River, with the heat index generally between 105 and 109 degrees elsewhere across the Mid- South.
.DAY ONE...This Afternoon and Tonight An Excessive Heat Warning is in effect for areas mainly along and west of the Mississippi River from the Memphis metro area up to the Missouri Bootheel. A Heat Advisory is in effect across the remainder of the Mid-South. Heat index values will range from 105 to 113 degrees. Dangerous heat index values at or above 110 degrees are expected in the Excessive Heat Warning area and heat index values between 105 to 109 degrees across the remainder of the Mid-South. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Heat index values between 105 to 113 degrees will persist across the Mid-South through early Sunday evening. Excessive Heat Warnings and Heat Advisories will remain in effect this weekend.

timmy hazard  

 Latest observation from the NWS office at  the Agricenter in east Memphis