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

60°F

16°C

Humidity 82%
Wind Speed S 3 mph
Barometer 29.95 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 7:35 pm CDT
Extended Forecast for

Mazon IL

  • Tonight

    Tonight: Increasing clouds, with a low around 60. Calm wind becoming south around 5 mph in the evening.

    Low: 60 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South southwest wind 10 to 15 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. Calm wind. Chance of precipitation is 80%.

    Low: 63 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. Calm wind becoming south around 5 mph in the evening.
Columbus Day
Sunny, with a high near 89. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 70. South southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 88. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. Calm wind. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 71.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 63. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.23°N 88.45°W
Last Update:
3:36 pm CDT Oct 11, 2026
Forecast Valid:
7pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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