Dangerous Heat and Humidity Building from the Plains to the East Coast

Strengthening high pressure will bring much above normal high and low temperatures. Widespread highs in the 90s to 100 combined with dewpoints surging into the mid and upper 70s will create heat indices as high as 110 through this weekend. In addition, overnight temperatures in the 70s to low 80s will reduce the ability of the body to recover from daytime heating. Read More >

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Last Map Update: Wed, Jul. 17, 2019 at 6:30:21 pm CDT

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Use caution if outside for extended periods this afternoon.

Use safety precautions if you will be out in the heat.

The combination of heat and humidity will result in heat index values well over 100 degrees for many locations through the week and next weekend. This could cause heat stress during outdoor exertion or extended exposure.

A cold front is expected to move over the region early next week and bring temperatures down below average.

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