National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Light Snow

24°F

-4°C

Humidity 70%
Wind Speed S 15 mph
Barometer 30.17 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 18 Mar 1:15 am CDT
Extended Forecast for

Thornton IL

  • Overnight

    Overnight: Snow showers. Low around 22. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Showers

  • Wednesday

    Wednesday: Isolated snow showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 44. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 44 °F

    Isolated Snow
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after 4am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before 1pm. Partly sunny, with a high near 53. South wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.

    High: 53 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers. Low around 22. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Isolated snow showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 44. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers, mainly after 4am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.
Thursday
Scattered showers before 1pm. Partly sunny, with a high near 53. South wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.
Friday
Mostly cloudy, with a high near 66.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 52.
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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 am CDT Mar 18, 2026
Forecast Valid:
1am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation