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

43°F

6°C

Humidity 95%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Last update 21 Mar 4:55 am CDT
Extended Forecast for

Sidell IL

  • Today

    Today: Sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 78. Breezy, with a southwest wind 11 to 16 mph becoming north 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a north wind 15 to 23 mph, with gusts as high as 33 mph.

    Low: 33 °F

    Decreasing
    Clouds and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 51. North wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Northeast wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. East southeast wind 6 to 9 mph becoming south in the afternoon.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 59. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 78. Breezy, with a southwest wind 11 to 16 mph becoming north 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Breezy, with a north wind 15 to 23 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 51. North wind 9 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 34. Northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 58. East southeast wind 6 to 9 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 73.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 50.
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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:
4:36 am CDT Mar 21, 2026
Forecast Valid:
5am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation