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

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Overcast

25°F

-4°C

Humidity 73%
Wind Speed Calm
Barometer 30.38 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 4 Feb 7:15 pm CST
Extended Forecast for

Thornton IL

  • Tonight

    Tonight: Increasing clouds, with a low around 14. West northwest wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Scattered snow showers, mainly between 9am and 3pm. Cloudy, with a high near 29. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 29 °F

    Scattered
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight, mixing with freezing rain after 3am. Cloudy, with a steady temperature around 28. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Cloudy then
    Chance Wintry
    Mix

  • Friday

    Friday: A chance of snow showers, freezing rain, and sleet before 9am, then a chance of snow showers. Mostly cloudy, with a high near 38. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Wintry
    Mix then
    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 14. West northwest wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Thursday
Scattered snow showers, mainly between 9am and 3pm. Cloudy, with a high near 29. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers after midnight, mixing with freezing rain after 3am. Cloudy, with a steady temperature around 28. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers, freezing rain, and sleet before 9am, then a chance of snow showers. Mostly cloudy, with a high near 38. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 12. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 24.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly clear, with a low around 21.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 31.
Wednesday
A chance of showers. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
3:11 pm CST Feb 4, 2026
Forecast Valid:
7pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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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