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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Thornton IL

Flood Warning until August 13, 04:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until August 13, 04:00pm

    NOW until 4:00pm Thu

    Flood Warning

  • This Afternoon

    High: 80 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East northeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 80. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East northeast wind around 5 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornton IL
 41.57°N 87.61°W
Last Update:
11:21 am CDT Aug 12, 2026
Forecast Valid:
1pm CDT Aug 12, 2026-6pm CDT Aug 18, 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