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

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Partly Cloudy

67°F

19°C

Humidity 87%
Wind Speed NW 7 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 6:53 am CDT
Extended Forecast for

Oak Forest IL

  • Today

    Today: Isolated showers after 9am. Partly sunny, with a high near 76. North northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East wind around 5 mph becoming southwest after midnight.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76. Northwest wind around 5 mph becoming north northeast in the afternoon.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 9am. Partly sunny, with a high near 76. North northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 64. East wind around 5 mph becoming southwest after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76. Northwest wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Forest IL
 41.6°N 87.75°W
Last Update:
5:26 am CDT Aug 17, 2026
Forecast Valid:
7am CDT Aug 17, 2026-6pm CDT Aug 23, 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