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

34°F

1°C

Humidity 62%
Wind Speed SW 13 G 16 mph
Barometer 30.30 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Jan 9:55 am CST
Extended Forecast for

Sidell IL

  • Today

    Today: Mostly sunny, with a high near 45. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 51. West southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 51 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers between noon and 3pm, then a chance of snow showers after 3pm. Mostly cloudy, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 40%.

    High: 40 °F⇓

    Mostly Cloudy
    then Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery

  • Thursday

    Thursday: Mostly sunny, with a high near 27. North northwest wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Today
Mostly sunny, with a high near 45. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 32. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 51. West southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West wind around 11 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain and snow showers between noon and 3pm, then a chance of snow showers after 3pm. Mostly cloudy, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 27. North northwest wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 20.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.85°W (Elev. 705 ft)
Last Update:
9:36 am CST Jan 12, 2026
Forecast Valid:
10am CST Jan 12, 2026-6pm CST Jan 18, 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