Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Overcast

10°F

-12°C

Humidity 74%
Wind Speed W 9 G 17 mph
Barometer 30.09 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 18 Jan 8:35 am CST
Extended Forecast for

Thornton IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Today

    Today: A 50 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a high near 20. Wind chill values as low as -6. Southwest wind around 15 mph, with gusts as high as 20 mph.

    High: 20 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow, mainly before 11pm.  Low around 4. Wind chill values as low as -14. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 4 °F

    Snow and
    Breezy then
    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 9. Wind chill values as low as -16. Blustery, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 9 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -6. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Snow, mainly before 11pm. Low around 4. Wind chill values as low as -14. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 9. Wind chill values as low as -16. Blustery, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, with a low around 3. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 22. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 16.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 12.
Saturday
A chance of snow. Partly sunny, with a high near 18.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
8:01 am CST Jan 18, 2026
8am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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