Warning over 'dangerous' heat expected Sunday; hail and tornadoes possible

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Sunday is shaping up to be the hottest day of the year in Minnesota, with temperatures well into the 90s expected while humidity will make it feel like over 100 – but severe storms are also a real possibility.

The National Weather Service has issued a heat advisory for parts of the state – particularly west central and southwest Minnesota – saying that the combination of heat and humidity could lead to heat-related illnesses.

In its hazardous weather outlook, it says that the Twin Cities, central, south, east and western parts of the state will experience this heatwave, which could breach 100 degrees on the heat index because of the humidity, which could pose health problems for those active outdoors.

But the heat will bring with it the potential for severe thunderstorms across the state – but particularly in central and east central Minnesota and western Wisconsin.

"Large hail ... damaging winds and a couple of tornadoes are possible Sunday afternoon and evening," the National Weather Service says.

FOX 9 reports that temperatures in Morris could reach as high as 98 on Sunday – that's without taking into account humidity.

Its heat index for New Ulm and Mankato predicts that temperatures could feel like 108 degrees, and 105 in the metro area, though it admits that in reality it will likely be closer to 100.

Accuweather says that the metro area could be in for a turbulent few days, with storms continuing on Monday and after a break on Tuesday, they could return in the second half of the week.

FOX 9 said that the speed with which the weather can change tomorrow means Minnesotans should be "sky aware" so they're not caught up in severe weather.

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