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

Sidell IL

Freeze Warning until April 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 20, 08:00am

    NOW until 8:00am Mon

    Freeze Warning

  • Overnight

    Low: 32 °F

    Frost

  • Monday

    Monday: Widespread frost 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 45. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 58. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Light north northeast wind.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.
Monday Night
Mostly clear, with a low around 45. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 77. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
2:01 am CDT Apr 20, 2026
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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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