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

60°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 11:55 pm CDT
Extended Forecast for

Thornton IL

  • Overnight

    Overnight: Mostly clear, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. West southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 57. West wind around 5 mph.
Juneteenth
Sunny, with a high near 76. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. West southwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 79. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
9:26 pm CDT Jun 18, 2026
Forecast Valid:
12am CDT Jun 19, 2026-6pm CDT Jun 25, 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