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

36°F

2°C

Humidity 75%
Wind Speed S 12 mph
Barometer 29.90 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Jan 5:55 am CST
Extended Forecast for

Sidell IL

  • Today

    Today: Mostly cloudy, with a high near 52. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 52 °F

    Partly Sunny
    then Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow showers before noon, then a chance of flurries after noon. Mostly cloudy, with a temperature falling to around 26 by 4pm. Breezy, with a north northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 35 °F⇓

    Breezy.
    Slight Chance
    Snow Showers
    then Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Wind chill values between 4 and 9. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 26. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 26 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers after midnight. Increasing clouds, with a low around 20. South southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 24 mph.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 37 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 52. Breezy, with a west southwest wind 13 to 20 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 32. West wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of snow showers before noon, then a chance of flurries after noon. Mostly cloudy, with a temperature falling to around 26 by 4pm. Breezy, with a north northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 14. Wind chill values between 4 and 9. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 26. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
A 40 percent chance of snow showers after midnight. Increasing clouds, with a low around 20. South southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 24 mph.
Friday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 37. West wind 15 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 6.
M.L.King Day
Mostly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.79°W (Elev. 653 ft)
Last Update:
4:16 am CST Jan 13, 2026
Forecast Valid:
6am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation