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.

Fair

41°F

5°C

Humidity 85%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 May 5:15 am CDT
Extended Forecast for

5 Miles SE Edgar County Airport IL

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming north around 6 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 83. South wind 7 to 16 mph, with gusts as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy.

    High: 87 °F

    Breezy. Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming north around 6 mph.
Tonight
Increasing clouds, with a low around 49. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 15 mph.
Friday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 75. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 83. South wind 7 to 16 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Edgar County Airport IL
 39.66°N 87.6°W (Elev. 669 ft)
Last Update:
4:36 am CDT May 14, 2026
Forecast Valid:
5am CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation