100°F at 4:45PM: The Heat is On for Arlington Heights and Half of the United States


Arlington Heights temperature at 4:45 p.m. was 100°F at Arlington Heights Road and Northwest Highway.

UPDATE: Chicago Executive Airport hit 100°F at 2:52PM CDT. Chicago O’Hare International Airport hit 99°F at 2:51PM CDT.

At noon the northwest suburbs appear to be the hottest pocket in the Chicagoland forecast area.

The temperature reading at the Arlington Heights message board at Arlington Heights Road and Northwest Highway was 98°F. Estimating a dewpoint of 74°F, those figures calculate a heat index of 109°F.

The official temperature at Chicago Executive Airport was 97°F with a dewpoint of 74°F. Those figures calculate a heat index of 108°F.

Both of the above temperatures topped the O’Hare International Airport official temperature of 95°F at 11:51 a.m. Wednesday, July 20, 2011.

Seventeen states hitting 100°F and 40 states passing 90°F.

The Chicago area continues to be under an Excessive Heat Warning through 4:00 a.m. Friday.

Other communities or areas with 97°F temperatures or higher at noon included …
Midway Airport

Other notable temperatures at noon …
Kenosha, Wisconsin 96°
Rockford, Illinois 96°
DeKalb, Illinois 91°F
Joliet, Illinois 95°F
St. Louis — Lambert-St. Louis International Airport 96°F
University of Illinois-Willard 93°F

Arlington Heights temperature at noon was 98°F at Arlington Heights Road and Northwest Highway.

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