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

65°F

18°C

Humidity 87%
Wind Speed SW 15 G 22 mph
Barometer 29.79 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Mar 2:35 am CST
Extended Forecast for

Graymont IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers between noon and 1pm. Cloudy, with a temperature rising to near 62 by 9am, then falling to around 46 during the remainder of the day. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F⇓

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy.

    High: 72 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Showers and
    Breezy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers between noon and 1pm. Cloudy, with a temperature rising to near 62 by 9am, then falling to around 46 during the remainder of the day. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 72. Breezy.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 73.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 42. Breezy.
Wednesday
Showers likely, mainly before noon. Cloudy, with a high near 54. Breezy.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 36. Breezy.
Friday
Mostly cloudy, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Graymont IL
 40.91°N 88.76°W
Last Update:
2:01 am CST Mar 7, 2026
Forecast Valid:
2am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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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