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

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Overcast

39°F

4°C

Humidity 68%
Wind Speed NA
Barometer 29.94 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 22 Mar 6:15 pm CDT
Extended Forecast for

Forrest ILSimilar City Names

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 29. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Showers
    Likely and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. East wind around 5 mph, with gusts as high as 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 29. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 49. North northeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 28. East wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Partly sunny, with a high near 58. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.
Thursday
A chance of showers after 1pm. Mostly sunny, with a high near 80.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forrest ILSimilar City Names
 40.75°N 88.42°W
Last Update:
6:36 pm CDT Mar 22, 2026
Forecast Valid:
6pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
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Additional Resources

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Chance of Precipitation