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.

Overcast

78°F

26°C

Humidity 77%
Wind Speed S 12 mph
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 11:35 am CDT
Extended Forecast for

4 Miles NE Edgar County Airport IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Southwest wind around 6 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. North northeast wind 3 to 6 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers. Partly cloudy, with a low around 63. Light west southwest wind.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Northwest wind 5 to 11 mph, with gusts as high as 17 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Southwest wind around 6 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. North northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. Light and variable wind.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63. Light west southwest wind.
Saturday
Mostly sunny, with a high near 81. Northwest wind 5 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Edgar County Airport IL
 39.75°N 87.6°W (Elev. 600 ft)
Last Update:
11:41 am CDT Aug 19, 2026
Forecast Valid:
11am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation