Turning Even Hotter in Minneapolis After Brief Break

By Brian Thompson, Meteorologist
August 22, 2013; 5:09 AM ET
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After several days of temperatures around 90 degrees in the Twin Cities, a break in the heat and humidity has arrived. However, another surge of heat will come late in the weekend and early next week, which may turn out to be a hotter stretch than the most recent one.

The relief comes after a cold front brought showers and thunderstorms to southern Minnesota on Wednesday. A few storms produced hail to the east of Minneapolis.

Drier air began moving in Wednesday evening behind that front, clearing out the tropical humidity levels that were around Tuesday and Wednesday.

Even as the humidity levels drop, high temperatures will remain above average Thursday in Friday, reaching the lower and mid-80s. The average high both days is 80.

The biggest difference will be Thursday night, as low temperatures in the 70s will be replaced by lows in the 50s to around 60.

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Things will start to change, though, over the weekend. Saturday will become more humid as a warm front moves through. The front may touch off a shower or thunderstorm as it arrives.

In the wake of the front, a massive ridge in the jet stream will develop over the middle of the nation, pumping more heat and humidity into the Twin Cities.

The hottest day this week was on Tuesday when the mercury touched 90 degrees. This next ridge may send temperatures into the 90s on Sunday and Monday, perhaps even tying or breaking records. The record high both Sunday and Monday is 94 degrees set back in 1948.

This next round of heat comes right as the new school year is beginning for Minneapolis Public Schools. The first day of school is Monday, when the high temperature will be close to that record of 94 degrees. Mornings will also be muggy again, with temperatures generally in the 70s.

While the heat may peak early next week, temperatures will likely stay well above average for most of the week as the month of August comes to a close.

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