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 97%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Last update 30 Apr 2:35 am CDT
Extended Forecast for

4 Miles SE Vermilion IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 42. Light north northwest wind.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 58. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 52. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 42. Light north northwest wind.
Thursday
Increasing clouds, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Sunny, with a high near 58. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 37. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 56. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 37. Light and variable wind.
Sunday
Sunny, with a high near 66. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 52. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 30 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 71. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Vermilion IL
 39.54°N 87.52°W (Elev. 640 ft)
Last Update:
3:22 am EDT Apr 30, 2026
Forecast Valid:
3am EDT Apr 30, 2026-6pm EDT May 6, 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