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.

Partly Cloudy

42°F

6°C

Humidity 63%
Wind Speed NA
Barometer 29.89 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 22 Mar 4:35 pm CDT
Extended Forecast for

Pontiac IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a steady temperature around 44. Breezy, with a north northeast wind around 25 mph, with gusts as high as 35 mph.

    High: 44 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Slight Chance
    Showers and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 29 °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.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

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

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a steady temperature around 44. Breezy, with a north northeast wind around 25 mph, with gusts as high as 35 mph.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 49. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 29. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 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.
Wednesday
Mostly cloudy, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of showers after 1pm. Partly 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 46.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pontiac IL
 40.89°N 88.65°W
Last Update:
3:56 pm CDT Mar 22, 2026
Forecast Valid:
4pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation