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

72°F

22°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.85 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 12 Aug 1:35 am CDT
Extended Forecast for

3 Miles W Pontiac IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 10am and 3pm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. Calm wind becoming east around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East wind around 5 mph, with gusts as high as 10 mph.

    High: 82 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. East northeast wind around 5 mph becoming north in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Showers and thunderstorms likely, mainly between 10am and 3pm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 69. Calm wind becoming east around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. East northeast wind around 5 mph becoming north in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Saturday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Pontiac IL
 40.89°N 88.7°W
Last Update:
1:45 am CDT Aug 12, 2026
Forecast Valid:
1am CDT Aug 12, 2026-6pm CDT Aug 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