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

78°F

26°C

Humidity 58%
Wind Speed S 20 G 30 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Apr 12:53 pm CDT
Extended Forecast for

Alsip 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: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 46 °F

    Heavy Rain
    and Breezy
    then Heavy
    Rain

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 46. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 51. West northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 37. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alsip IL
 41.66°N 87.75°W
Last Update:
12:46 pm CDT Apr 17, 2026
Forecast Valid:
1pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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Chance of Precipitation