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.

Light Snow

18°F

-8°C

Humidity 77%
Wind Speed N 16 mph
Barometer 30.40 in (1031.3 mb)
Dewpoint 12°F (-11°C)
Visibility 7.00 mi
Wind Chill3°F (-16°C)
Last update 31 Jan 8:53 am CST
Extended Forecast for

Summit IL

Winter Weather Advisory until January 31, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 31, 04:00pm

    NOW until 4:00pm Sat

    Winter Weather Advisory

  • Today

    High: 25 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 9. North northwest wind around 5 mph becoming west southwest after midnight.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 18 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow showers likely, mainly before 4pm. Mostly cloudy, with a high near 25. North northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around 9. North northwest wind around 5 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 26. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 30. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit IL
 41.8°N 87.83°W
Last Update:
5:56 am CST Jan 31, 2026
Forecast Valid:
9am CST Jan 31, 2026-6pm CST Feb 6, 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