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

18°F

-8°C

Humidity 79%
Wind Speed Calm
Barometer 30.33 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 23 Feb 10:35 pm CST
Extended Forecast for

Vermilion IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43. Breezy, with a south wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South southwest wind 12 to 17 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. West northwest wind 5 to 9 mph becoming light northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely after midnight. Increasing clouds, with a low around 30. Calm wind becoming east northeast 5 to 8 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 43. East northeast wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. North northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
Mostly cloudy, with a high near 43. Breezy, with a south wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South southwest wind 12 to 17 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly sunny, with a high near 47. West northwest wind 5 to 9 mph becoming light northwest in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Rain and snow likely after midnight. Increasing clouds, with a low around 30. Calm wind becoming east northeast 5 to 8 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 43. East northeast wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 26. North northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 43.
Sunday Night
A chance of rain, snow, and freezing rain. Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vermilion IL
 39.59°N 87.58°W (Elev. 666 ft)
Last Update:
10:21 pm CST Feb 23, 2026
Forecast Valid:
10pm CST Feb 23, 2026-6pm CST Mar 2, 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