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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

44°F

7°C

Humidity 83%
Wind Speed S 18 mph
Barometer 29.89 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Jan 7:55 pm CST
Extended Forecast for

Cullom IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain after 11am. High near 56. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Slight Chance
    Rain then
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm, mainly before 3am, then a chance of rain and thunderstorms after 3am. Low around 50. Breezy, with a south wind 15 to 20 mph becoming west southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Breezy. Rain
    then Rain
    Likely

  • Friday

    Friday: Mostly cloudy, with a high near 52. West southwest wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

    High: 38 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. South wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain after 11am. High near 56. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and possibly a thunderstorm, mainly before 3am, then a chance of rain and thunderstorms after 3am. Low around 50. Breezy, with a south wind 15 to 20 mph becoming west southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 52. West southwest wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Rain likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 20.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cullom IL
 40.87°N 88.27°W
Last Update:
6:56 pm CST Jan 7, 2026
Forecast Valid:
8pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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