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.

Fair

76°F

24°C

Humidity 35%
Wind Speed NA
Barometer 29.65 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 4:15 pm CDT
Extended Forecast for

3 Miles SE Graymont IL

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. High near 78. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 78 °F

    Severe
    Thunderstorms
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 9pm. Some of the storms could be severe and produce heavy rainfall. Low around 60. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Severe
    Thunderstorms
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 73. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West northwest wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. West wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers and thunderstorms. Some of the storms could be severe and produce heavy rainfall. High near 78. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers and thunderstorms, mainly before 9pm. Some of the storms could be severe and produce heavy rainfall. Low around 60. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 73. West northwest wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 55. West northwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 60.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60.
Monday
A chance of showers. Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Graymont IL
 40.87°N 88.74°W
Last Update:
3:11 pm CDT Jun 16, 2026
Forecast Valid:
4pm CDT Jun 16, 2026-6pm CDT Jun 23, 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