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

54°F

12°C

Humidity 58%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 29 Mar 8:35 pm CDT
Extended Forecast for

Sidell IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 74 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a south southwest wind 21 to 28 mph, with gusts as high as 38 mph.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers after 1am. Low around 48. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 58. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 49. East northeast wind 14 to 17 mph becoming southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers. High near 65. Breezy. Chance of precipitation is 80%.

    High: 65 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 74. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 62. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a south southwest wind 21 to 28 mph, with gusts as high as 38 mph.
Tuesday Night
Showers and thunderstorms likely, then showers after 1am. Low around 48. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 58. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 49. East northeast wind 14 to 17 mph becoming southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 65. Breezy. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
Showers likely. Mostly cloudy, with a high near 72. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Breezy.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
5:52 pm CDT Mar 29, 2026
Forecast Valid:
8pm CDT Mar 29, 2026-6pm CDT Apr 5, 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