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.

Partly Cloudy and Breezy

32°F

0°C

Humidity 49%
Wind Speed S 21 G 32 mph
Barometer 29.63 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 1:35 pm CST
Extended Forecast for

Thornton IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 39. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 39 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 26. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West northwest wind around 5 mph becoming north northeast after midnight.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. North northeast wind around 5 mph becoming south southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Partly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 39. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 26. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 23. West northwest wind around 5 mph becoming north northeast after midnight.
Thursday
Mostly sunny, with a high near 42. North northeast wind around 5 mph becoming south southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 33.
Saturday
A chance of snow after noon. Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Partly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 34.
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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:
1:16 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation