Record High 94°F Precedes Friday September 22nd Fall Equinox, More Records Possible

Chicago O’Hare’s official weather station recorded two consecutive record-breaking days — yesterday and today.

Yesterday, Wednesday, September 20, 2017, Chicago O’Hare reported a record high of 92°F at 3:29 p.m. The previous record for September 20 was 91° in 1931.

Today, Thursday, September 21, 2017, Chicago O’Hare reported a record high of 94°F about 2:50 p.m. (awaiting official time). The previous record for September 21 was 92°F in 1970.

Autumn Equinox 2017 Northern Hemisphere
3:02 PM Friday, September 22

Other area highs include 95° at Midway hit 95°F and Aurora hit 91°F

The normal high for September 20 and 21 is 73°F. The normal low is 52°F.

The low Wednesday morning was 62°F.

The low Thursday morning, this morning, was 73° (awaiting official data tomorrow).

A lake breeze dropped temperatures into the upper 70s late this afternoon.

The heat is forecast to gradually diminish after Friday, but remain much warmer than normal through Tuesday. Wednesday is forecast to be above normal, and Thursday is expected to return to seasonal temperatures.

We are also in an abnormally dry spell near drought conditions. The dry conditions began in August, and in the October outlook dry conditions are expected to continue.

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