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.

Overcast

29°C

85°F

Humidity 69%
Wind Speed SE 7 km/h
Barometer 29.95 in
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 15 Jul 4:35 pm CDT
Extended Forecast for

3 Miles NNE Blackstone IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 31. Heat index values as high as 36. South wind around 10 km/h.

    High: 31 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 32. Heat index values as high as 38. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 32 °C

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 21. West southwest wind 10 to 15 km/h, with gusts as high as 25 km/h. Chance of precipitation is 60%.

    Low: 21 °C

    T-storms
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 26. West wind around 15 km/h becoming north in the afternoon. Winds could gust as high as 25 km/h.

    High: 26 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °C

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18.

    Low: 18 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 29.

    High: 29 °C

    T-storms
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 31. Heat index values as high as 36. South wind around 10 km/h.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 22. South wind 5 to 10 km/h. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 32. Heat index values as high as 38. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 21. West southwest wind 10 to 15 km/h, with gusts as high as 25 km/h. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 26. West wind around 15 km/h becoming north in the afternoon. Winds could gust as high as 25 km/h.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 27.
Friday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 29.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 29.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 29.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Blackstone IL
 41.11°N 88.63°W
Last Update:
4:12 pm CDT Jul 15, 2025
Forecast Valid:
4pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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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