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

64°F

18°C

Humidity 88%
Wind Speed NA
Barometer 29.93 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Apr 8:35 am CDT
Extended Forecast for

3 Miles SE Graymont IL

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 44. Breezy, with a south wind around 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 44 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 52. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Breezy.

    High: 76 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 44. Breezy, with a south wind around 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 52. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34.
Monday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 76. Breezy.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Graymont IL
 40.87°N 88.74°W
Last Update:
8:26 am CDT Apr 17, 2026
Forecast Valid:
8am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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