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

79°F

26°C

Humidity 65%
Wind Speed S 17 G 26 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 May 11:15 am CDT
Extended Forecast for

3 Miles ESE Vermilion IL

  • Today

    Today: Mostly sunny, with a high near 86. South wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 2pm and 5pm. Increasing clouds, with a high near 84. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Breezy.
    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. South wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. West southwest wind 7 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. South wind 15 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 65. South wind 9 to 14 mph, with gusts as high as 23 mph.
Monday
Showers and thunderstorms likely, mainly between 2pm and 5pm. Increasing clouds, with a high near 84. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. South wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday
A chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. West southwest wind 7 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 69. North wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A chance of showers. Mostly cloudy, with a high near 73.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57.
Saturday
Mostly cloudy, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Vermilion IL
 39.57°N 87.55°W (Elev. 646 ft)
Last Update:
11:26 am CDT May 17, 2026
Forecast Valid:
11am CDT May 17, 2026-6pm CDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation