National Weather Service United States Department of Commerce

Locations south of I-90 will see another day of dangerous heat as temperatures climb well into the 90s and heat indices peak at 100 to 105 degrees Monday afternoon. Temperatures will begin to ease for areas farther north, ahead of a greater cooldown Tuesday through Thursday when highs in the 80s will be more common.
A few strong to severe thunderstorms will be possible overnight tonight. IF stronger storms can develop, damaging winds up to 60 mph and quarter sized hail would be the primary threat. Better chances will be across parts of southwest Minnesota.
A few severe storms will be possible during the afternoon and early evening on Monday, with better chances in far northeast Nebraska and northwest Iowa. The strongest storms will be capable of producing up to golf ball sized hail and damaging winds up 70 mph. Make sure to have multiple ways to receive warning information!