National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Partly Cloudy

74°F

23°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.08 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 14 Aug 12:35 pm CDT
Extended Forecast for

Chatsworth IL

Flood Watch August 14, 10:00pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms before 1pm, then isolated showers. Mostly cloudy, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 89. Heat index values as high as 101. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. West southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms before 1pm, then isolated showers. Mostly cloudy, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 89. Heat index values as high as 101. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. West southwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatsworth IL
 40.74°N 88.31°W
Last Update:
12:06 pm CDT Aug 14, 2026
Forecast Valid:
12pm CDT Aug 14, 2026-6pm CDT Aug 20, 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