Dangerously hot conditions enveloped much of Minnesota on Monday, with authorities urging people to take precautions to stay safe amid the sweltering weather.
Dangerous heat is expected to blanket much of the Upper Midwest Monday afternoon, with heat index values climbing as high as 110 degrees. Extreme heat warnings and heat advisories are in effect as one of the hottest days of the summer arrives.
Minnesota is swapping comfortable summer weather for several days of dangerous heat and humidity. Even after the sun goes down, temperatures will remain unusually warm overnight, offering little relief and allowing heat stress to build from one day to the next.
After a comfortable stretch of weather, a major pattern change is arriving. Thunderstorms will be the first sign of it Sunday morning, followed by a prolonged stretch of dangerous heat and humidity that could last through much of the week.
Summer is making a comeback. After two weeks of unusually cool weather, temperatures rebound to near normal today before a prolonged stretch of heat and humidity begins Sunday.
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