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

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

64°F

18°C

Humidity 98%
Wind Speed E 3 mph
Barometer 30.04 in
Dewpoint 63°F (17°C)
Visibility NA
Last update 4 Aug 1:15 am CDT
Extended Forecast for

4 Miles ESE Edgar County Airport IL

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 84. Light east wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light south southwest wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 60. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 84. Light east wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 84. Light south southwest wind.
Wednesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 65. Light south wind.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light south wind. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 70.
Monday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Edgar County Airport IL
 39.68°N 87.6°W (Elev. 623 ft)
Last Update:
12:36 am CDT Aug 4, 2026
Forecast Valid:
1am CDT Aug 4, 2026-6pm CDT Aug 10, 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