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

4 Miles SE Vermilion IL

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind 5 to 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South southwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Breezy.
    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 45. Southwest wind 15 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 8am. High near 53. North northeast wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40. East northeast wind around 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. South wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 64. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 76. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 64. South southwest wind 15 to 18 mph, with gusts as high as 30 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then rain after 2am. Low around 45. Southwest wind 15 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Rain, mainly before 8am. High near 53. North northeast wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. East northeast wind around 14 mph, with gusts as high as 23 mph.
Thursday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 57. East wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 67.
Friday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Vermilion IL
 39.54°N 87.52°W (Elev. 640 ft)
Last Update:
10:45 pm EDT Mar 28, 2026
Forecast Valid:
10pm EDT Mar 28, 2026-6pm EDT Apr 4, 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