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

39°F

4°C

Humidity 74%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 28 Mar 9:35 pm CDT
Extended Forecast for

Edgar County Airport IL

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 76 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 62 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 34 mph.

    High: 80 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 43. Southwest wind 16 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 63. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 76. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 34 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 43. Southwest wind 16 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42.
Friday
A chance of showers. Mostly cloudy, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgar County Airport IL
 39.7°N 87.66°W (Elev. 600 ft)
Last Update:
2:57 pm CDT Mar 28, 2026
Forecast Valid:
9pm CDT Mar 28, 2026-6pm CDT Apr 4, 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