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

**Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED**

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

62°F

17°C

Humidity 82%
Wind Speed S 16 mph
Barometer 29.76 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 Mar 8:35 pm CDT
Extended Forecast for

Cullom IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 45. South wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 53. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    High: 53 °F

    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 45. South wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 53. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 47.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Breezy.
Friday
Partly sunny, with a high near 52. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 54.
Saturday Night
A chance of showers. Cloudy, with a low around 39.
Sunday
Showers likely. Cloudy, with a high near 56. Breezy.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 34.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cullom IL
 40.87°N 88.27°W
Last Update:
3:46 pm CDT Mar 9, 2026
Forecast Valid:
8pm CDT Mar 9, 2026-6pm CDT Mar 16, 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