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

70°F

21°C

Humidity 98%
Wind Speed N 5 mph
Barometer 29.99 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 1:55 am CDT
Extended Forecast for

3 Miles WNW Blackstone IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. North northwest wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. North northwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 67. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am. Partly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. North northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 79. North northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 67. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.
Wednesday
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Blackstone IL
 41.09°N 88.69°W
Last Update:
1:21 am CDT Aug 17, 2026
Forecast Valid:
2am CDT Aug 17, 2026-6pm CDT Aug 23, 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