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.

Fair

72°F

22°C

Humidity 33%
Wind Speed NA
Barometer 29.73 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 8:15 pm CDT
Extended Forecast for

Fairbury IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Increasing clouds, with a temperature rising to near 60 by 9am, then falling to around 50 during the remainder of the day. Breezy, with a north wind 10 to 15 mph becoming north northeast 20 to 25 mph in the morning. Winds could gust as high as 30 mph.

    High: 60 °F⇓

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: 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

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. North wind around 10 mph, with gusts as high as 15 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers after 1pm. Increasing clouds, with a temperature rising to near 60 by 9am, then falling to around 50 during the remainder of the day. Breezy, with a north wind 10 to 15 mph becoming north northeast 20 to 25 mph in the morning. Winds could gust as high as 30 mph.
Sunday Night
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
Mostly sunny, with a high near 50. North wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 30. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of showers after 1pm. Mostly sunny, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairbury IL
 40.75°N 88.51°W
Last Update:
8:06 pm CDT Mar 21, 2026
Forecast Valid:
8pm CDT Mar 21, 2026-6pm CDT Mar 28, 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