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

33°F

1°C

Humidity 70%
Wind Speed NE 15 G 20 mph
Barometer 30.38 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 7 Apr 12:35 am CDT
Extended Forecast for

Thornton IL

  • Overnight

    Overnight: A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 30. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Northeast wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 30. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 40. Northeast wind around 10 mph.
Tuesday Night
Increasing clouds, with a low around 33. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Wednesday
Partly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly cloudy, with a high near 78.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62.
Monday
Showers likely. Mostly cloudy, with a high near 78. Breezy.
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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:
11:56 pm CDT Apr 6, 2026
Forecast Valid:
12am CDT Apr 7, 2026-6pm CDT Apr 13, 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