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

52°F

11°C

Humidity 77%
Wind Speed NA
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 May 4:55 am CDT
Extended Forecast for

Strawn IL

  • Today

    Today: Increasing clouds, with a high near 66. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 71. Northeast wind around 5 mph becoming calm in the morning.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 78. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 66. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 41. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 71. Northeast wind around 5 mph becoming calm in the morning.
Thursday Night
A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 78. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Tuesday
Showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Strawn IL
 40.68°N 88.4°W
Last Update:
4:51 am CDT May 13, 2026
Forecast Valid:
5am CDT May 13, 2026-6pm CDT May 19, 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