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

32°F

0°C

Humidity 69%
Wind Speed N 14 G 22 mph
Barometer 30.24 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Mar 4:55 am CDT
Extended Forecast for

Thornton IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 39. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. East northeast wind around 5 mph becoming calm after midnight.

    Low: 30 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. South wind 5 to 10 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 39. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 30. East northeast wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 52. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Partly sunny, with a high near 58.
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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:
1:31 am CDT Mar 23, 2026
Forecast Valid:
5am CDT Mar 23, 2026-6pm CDT Mar 29, 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