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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

75°F

24°C

Humidity 45%
Wind Speed W 12 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Apr 6:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. North northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. East wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62. North northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 54. East wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50.
Monday
A chance of showers. Mostly cloudy, with a high near 65.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
6:50 pm CDT Apr 21, 2026
Forecast Valid:
7pm CDT Apr 21, 2026-6pm CDT Apr 28, 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