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

74°F

23°C

Humidity 76%
Wind Speed S 17 G 22 mph
Barometer 29.88 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 16 May 5:35 pm CDT
Extended Forecast for

4 Miles SW Vermilion IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South wind around 10 mph, with gusts as high as 17 mph.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South wind around 10 mph, with gusts as high as 17 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 63. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 86. South wind 8 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 9 to 11 mph, with gusts as high as 23 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. South wind around 14 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. Chance of precipitation is 80%.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Vermilion IL
 39.53°N 87.64°W (Elev. 696 ft)
Last Update:
3:51 pm CDT May 16, 2026
Forecast Valid:
5pm CDT May 16, 2026-6pm CDT May 23, 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