National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Partly Cloudy

80°F

27°C

Humidity 52%
Wind Speed W 13 mph
Barometer 29.87 in (1010.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 26 Aug 6:53 pm CDT
Extended Forecast for

Calumet Park IL

  • Tonight

    Tonight: Isolated showers before 8pm. Mostly clear, with a low around 66. West northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers before 8pm. Mostly clear, with a low around 66. West northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph becoming northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calumet Park IL
 41.68°N 87.66°W
Last Update:
5:16 pm CDT Aug 26, 2026
Forecast Valid:
7pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation