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

35°F

2°C

Humidity 90%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Jan 2:35 am CST
Extended Forecast for

Thornton IL

  • Overnight

    Overnight: A 30 percent chance of rain after 5am. Mostly cloudy, with a steady temperature around 39. Southeast wind around 5 mph.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: Rain and snow before 2pm, then a slight chance of snow after 4pm. Temperature falling to around 34 by 5pm. South southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F⇓

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Scattered snow showers. Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: A chance of flurries before noon. Partly sunny, with a high near 34. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 34 °F

    Chance
    Flurries and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 3am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
A 30 percent chance of rain after 5am. Mostly cloudy, with a steady temperature around 39. Southeast wind around 5 mph.
Saturday
Rain and snow before 2pm, then a slight chance of snow after 4pm. Temperature falling to around 34 by 5pm. South southeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
A chance of flurries before noon. Partly sunny, with a high near 34. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A chance of snow showers after 3am. Mostly cloudy, with a low around 32.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A chance of snow showers. Mostly cloudy, with a high near 35.
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:
2:31 am CST Jan 10, 2026
Forecast Valid:
2am CST Jan 10, 2026-6pm CST Jan 16, 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