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

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Overcast

26°F

-3°C

Humidity 60%
Wind Speed W 13 mph
Barometer 30.19 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 17 Mar 10:15 pm CDT
Extended Forecast for

Cullom IL

  • Tonight

    Tonight: Snow, mainly after midnight. Low around 23. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 47 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 33. West wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 58. South wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 58 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35. North northeast wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow, mainly after midnight. Low around 23. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 33. West wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 58. South wind 5 to 10 mph becoming north northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 35. North northeast wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Partly sunny, with a high near 69. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cullom IL
 40.87°N 88.27°W
Last Update:
8:51 pm CDT Mar 17, 2026
Forecast Valid:
10pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation