Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

88°F

31°C

Humidity 64%
Wind Speed S 9 mph
Barometer 30.11 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 16 Aug 11:15 am CDT
Extended Forecast for

5 Miles ENE Martinsville IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 102. South southwest wind around 6 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light south southeast wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. West southwest wind 3 to 7 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 102. South southwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 74. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. Light south southeast wind.
Tuesday
Sunny, with a high near 94. West southwest wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Martinsville IL
 39.36°N 87.8°W (Elev. 610 ft)
10:41 am CDT Aug 16, 2025
11am CDT Aug 16, 2025-6pm CDT Aug 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