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

83°F

28°C

Humidity 85%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 4 Sep 7:35 pm CDT
Extended Forecast for

2 Miles NNW Ancona IL

Heat Advisory September 4, 07:43pm until September 4, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 4, 07:43pm until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 91. Heat index values as high as 102. Light northwest wind becoming north 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. West southwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 91. Heat index values as high as 102. Light northwest wind becoming north 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 84. East northeast wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 62. East wind around 5 mph, with gusts as high as 15 mph.
Labor Day
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Ancona IL
 41.09°N 88.78°W
Last Update:
7:07 pm CDT Sep 4, 2026
Forecast Valid:
7pm CDT Sep 4, 2026-6pm CDT Sep 11, 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