National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

96°F

36°C

Humidity 42%
Wind Speed W 8 mph
Barometer 30.02 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Sep 1:35 pm CDT
Extended Forecast for

7 Miles WNW Marshall IL

Extreme Heat Warning until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind 3 to 6 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Heat index values as high as 101. West southwest wind 5 to 8 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. West wind 3 to 5 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.

    High: 91 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 96. Heat index values as high as 101. West southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 75. Light south wind.
Friday
Sunny and hot, with a high near 95. West wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 65.
Labor Day
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 89.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Marshall IL
 39.45°N 87.82°W (Elev. 650 ft)
Last Update:
1:36 pm CDT Sep 2, 2026
Forecast Valid:
1pm CDT Sep 2, 2026-6pm CDT Sep 8, 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