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MINNEAPOLIS (WCCO) — Mid-afternoon on Tuesday, the dew point hit 82 degrees at MSP airport. That breaks the old record of 81 degrees.

Once the state shutdown ends, the Minnesota State Climatology Office will have a chance to verify that 82 is the official new record for the highest dew point in the Twin Cities. One report said that the dew point rose even higher than 82 between hours, but old weather records measured dew point only once per hour, so the hourly reading of 82 may very well stand.

By the way, our heat index hit 118 degrees at MSP airport on Tuesday, and it was even higher in several spots around Minnesota. Wednesday will be steamy, with a high around 100 and heat index values over 110 degrees at times in the afternoon.

Scattered showers and thunderstorms are possible Wednesday evening/night as a cooler front moves through.

You can expect less humidity and cooler temperatures by Thursday.

An excessive heat warning remains in effect until Wednesday evening for much of Minnesota and Wisconsin, including the Twin Cities metro area.

Heat exhaustion and heat stroke will be possible, so we’ll have to limit strenuous outdoor activities and it would be a good idea to check on your friends or relatives that don’t have air conditioning.

Click here for tips on coping with this heat wave, and to see warning signs for heat exhaustion and heat stroke.

You can get the latest weather information here at WCCO.COM and on WCCO-TV and NewsRadio 830 WCCO.

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