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

43°F

6°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 30.20 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 5 Apr 9:15 pm CDT
Extended Forecast for

Thornton IL

  • Tonight

    Tonight: Showers likely, mainly before 2am. Mostly clear early, then becoming mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before 2am. Mostly clear early, then becoming mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 29. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 41. Northeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 34. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Mostly cloudy, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Partly sunny, with a high near 64.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
9:26 pm CDT Apr 5, 2026
Forecast Valid:
9pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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