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Severe weather possible Tuesday; July to end 'on a very tropical note' in Minnesota

The heat and humidity will be rising significantly later this week.
storm, clouds

Friday was hot and humid. Saturday was stupid-hot and humid. Sunday was awesome. Today is going to be awesome. But today will not last forever and neither will the comfortable weather that Minnesota is experiencing. 

Come Tuesday, a slight rise in humidity will translate to thunderstorm chances – a chance that some go severe – followed by another pleasant day Wednesday before the heat and humidity begin to increase ahead of the weekend. 

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The simulated future radar from the NAM NEST computer model guidance shows storms firing over South Dakota today, followed by storms in Minnesota, including the Twin Cities area, on Tuesday. 

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"We'll get one last 'open windows' kind of day on Wednesday, with high pressure overhead. Wednesday morning will likely be the last time for several days communities south of I-94 will have a shot at dipping below 60 for overnight lows, while Thursday morning will be the last for areas north of I-94," reads Monday's forecast discussion from the Twin Cities office of the National Weather Service (NWS). 

By Thursday afternoon, dewpoints could be rising back into the 70s south of I-94. 

"Those 70+ degree dewpoints then look to remain with us into at least the start of next week," the NWS discussion adds. 

High temps are forecast to rise into the low-to-mid 90s this coming weekend. That kind of heat coupled with tropical dewpoints in the 70s will likely lead to heat advisories and possibly another excessive heat warning, in addition to what the NWS expects to be an active pattern that could feature nightly lines of storms. 

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