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

79°F

26°C

Humidity 68%
Wind Speed NW 9 mph
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 1:55 pm CDT
Extended Forecast for

Chatsworth IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. North northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. North northwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers after 1am. Partly cloudy, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatsworth IL
 40.74°N 88.31°W
Last Update:
1:46 pm CDT Aug 17, 2026
Forecast Valid:
2pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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