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

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

51°F

11°C

Humidity 98%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 11 Oct 2:15 am CDT
Extended Forecast for

Cornell IL

  • Overnight

    Overnight: Mostly clear, with a low around 53. Southeast wind around 5 mph becoming calm. Winds could gust as high as 10 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Southeast wind around 5 mph becoming calm. Winds could gust as high as 10 mph.
Sunday
Sunny, with a high near 82. Calm wind.
Sunday Night
Increasing clouds, with a low around 63. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 71. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cornell IL
 41°N 88.73°W
Last Update:
1:21 am CDT Oct 11, 2026
Forecast Valid:
2am CDT Oct 11, 2026-6pm CDT Oct 17, 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