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.

Fair

65°F

18°C

Humidity 44%
Wind Speed S 13 mph
Barometer 29.85 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 1:55 pm CDT
Extended Forecast for

Thornton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 10am and 4pm. Mostly cloudy, with a temperature falling to around 39 by 5pm. Breezy, with a north wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 46 °F⇓

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. North wind 5 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers, mainly between 10am and 4pm. Mostly cloudy, with a temperature falling to around 39 by 5pm. Breezy, with a north wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 43. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 64.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 44.
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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:
1:21 pm CDT Mar 21, 2026
Forecast Valid:
2pm CDT Mar 21, 2026-6pm CDT Mar 27, 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