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.

Fair

80°F

27°C

Humidity 75%
Wind Speed SW 8 mph
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 3 Sep 2:35 am CDT
Extended Forecast for

Pontiac IL

Heat Advisory September 3, 02:42am until September 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 02:42am until September 3, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 104. Southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Heat index values as high as 104. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South southwest wind around 5 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 104. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 92. Heat index values as high as 104. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pontiac IL
 40.89°N 88.62°W
Last Update:
1:20 am CDT Sep 3, 2026
Forecast Valid:
2am CDT Sep 3, 2026-6pm CDT Sep 9, 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