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

65°F

18°C

Humidity 100%
Wind Speed N 7 mph
Barometer 29.90 in
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 14 Oct 3:15 am CDT
Extended Forecast for

Forrest IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 66. North northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Mostly cloudy, with a high near 70. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 67. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%.

    High: 67 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 66. North northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Mostly cloudy, with a high near 70. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 67. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 56. Breezy.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 57.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forrest IL
 40.75°N 88.42°W
Last Update:
2:41 am CDT Oct 14, 2026
Forecast Valid:
3am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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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