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

39°F

4°C

Humidity 59%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 14 Mar 1:15 am CDT
Extended Forecast for

Sidell IL

  • Overnight

    Overnight: Partly cloudy, with a low around 32. North wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of flurries with a slight chance of snow before 7am, then a chance of flurries between 7am and 8am. Mostly cloudy, with a high near 51. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 10%.

    High: 51 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. East southeast wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 1pm. Mostly cloudy, with a high near 68. Windy, with a south wind 22 to 27 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Windy. Mostly
    Cloudy then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 24. Breezy, with a south wind 24 to 29 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 27. Windy, with a west northwest wind around 31 mph, with gusts as high as 39 mph.

    High: 27 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 18 to 25 mph, with gusts as high as 31 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. North wind around 6 mph.
Saturday
A chance of flurries with a slight chance of snow before 7am, then a chance of flurries between 7am and 8am. Mostly cloudy, with a high near 51. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 10%.
Saturday Night
Mostly cloudy, with a low around 45. East southeast wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday
Showers likely after 1pm. Mostly cloudy, with a high near 68. Windy, with a south wind 22 to 27 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 24. Breezy, with a south wind 24 to 29 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow. Cloudy, with a high near 27. Windy, with a west northwest wind around 31 mph, with gusts as high as 39 mph.
Monday Night
Mostly cloudy, with a low around 11. Blustery, with a west northwest wind 18 to 25 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
12:36 am CDT Mar 14, 2026
Forecast Valid:
1am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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