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

38°F

3°C

Humidity 72%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 6:55 am CDT
Extended Forecast for

4 Miles SW Sidell IL

  • Today

    Today: Mostly sunny, with a high near 64. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 77 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 46. Breezy, with a southwest wind 17 to 20 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 7am, then rain likely between 7am and 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 53. North northeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 64. South southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 54. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 63. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Tuesday
A chance of rain and thunderstorms before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%.
Tuesday Night
Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 46. Breezy, with a southwest wind 17 to 20 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely and possibly a thunderstorm before 7am, then rain likely between 7am and 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 53. North northeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly cloudy, with a high near 70.
Friday Night
A chance of rain. Mostly cloudy, with a low around 53.
Saturday
Rain likely. Mostly cloudy, with a high near 69. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Sidell IL
 39.87°N 87.88°W (Elev. 735 ft)
Last Update:
2:00 am CDT Mar 29, 2026
Forecast Valid:
7am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation