Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Thunderstorm

83°F

28°C

Humidity 72%
Wind Speed S 8 mph
Barometer 30.12 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Aug 10:15 am CDT
Extended Forecast for

7 Miles WNW Dennison IL

Heat Advisory August 18, 10:33am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 10:33am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 90. Calm wind becoming west southwest around 6 mph in the morning.  Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. North wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. North northeast wind 6 to 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 90. Southeast wind 3 to 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. Calm wind.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Light and variable wind.
Wednesday
Mostly sunny, with a high near 85. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 64. North wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 83. North northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Dennison IL
 39.51°N 87.7°W (Elev. 643 ft)
7:55 am CDT Aug 18, 2025
10am CDT Aug 18, 2025-6pm CDT Aug 24, 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