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

74°F

23°C

Humidity 59%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 12:35 pm CDT
Extended Forecast for

Cullom IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °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 70. South southwest wind 10 to 15 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. West wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

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

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 73.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.
Tonight
Increasing clouds, with a low around 61. Calm wind becoming south around 5 mph after midnight.
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 70. South southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 87. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 73.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 65.
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:
Cullom IL
 40.87°N 88.27°W
Last Update:
12:36 pm CDT Oct 11, 2026
Forecast Valid:
12pm 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