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

80°F

27°C

Humidity 54%
Wind Speed S 20 G 30 mph
Barometer 29.82 in (1009.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Apr 1:53 pm CDT
Extended Forecast for

Chicago IL

Flood Watch April 17, 03:00pm until April 18, 05:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    Heavy Rain

  • Saturday

    Saturday: A 20 percent chance of showers between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a steady temperature around 49. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 51. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Monday Night

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

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a steady temperature around 49. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 38. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 51. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:41 pm CDT Apr 17, 2026
Forecast Valid:
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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