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.

Fair

36°F

2°C

Humidity 83%
Wind Speed NA
Barometer 30.29 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 2:15 am CDT
Extended Forecast for

4 Miles SE Vermilion IL

Frost Advisory until April 20, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 20, 09:00am

    NOW until 9:00am Mon

    Frost Advisory

  • Overnight

    Low: 34 °F

    Areas Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 76 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 58. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 77. West southwest wind around 8 mph.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, clear, with a low around 34. North northeast wind around 5 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.
Monday Night
Mostly clear, with a low around 44. Calm wind becoming south southeast 5 to 7 mph after midnight.
Tuesday
Mostly sunny, with a high near 76. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 58. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 77. West southwest wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 80. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 22 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 75. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
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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:
2:45 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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