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

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Overcast

28°F

-2°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.23 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 1 Dec 2:55 pm CST
Extended Forecast for

Thornton IL

Winter Weather Advisory December 1, 03:17pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 1, 03:17pm until December 2, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 28 °F

    Snow

  • Tonight

    Tonight: Snow before 1am, then a chance of snow with intermittent flurries between 1am and 2am. Low around 18. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow then
    Snow Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow showers after noon. Cloudy, with a high near 33. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 33 °F

    Cloudy then
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 28. South southeast wind around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow before 1am, then a chance of snow with intermittent flurries between 1am and 2am. Low around 18. Southeast wind around 5 mph becoming calm. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly cloudy, with a high near 23. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of snow showers after noon. Cloudy, with a high near 33. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 5.
Thursday
Sunny, with a high near 15.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Mostly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20.
Sunday
Mostly cloudy, with a high near 28.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
3:11 pm CST Dec 1, 2025
Forecast Valid:
3pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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