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.

Overcast

46°F

8°C

Humidity 76%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Jan 4:15 pm CST
Extended Forecast for

4 Miles SW Sidell IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Light and variable wind becoming east around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 5pm, then a slight chance of snow showers. Cloudy, then gradual clearing during the afternoon, with a high near 42. Light and variable wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Blustery, with a west northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 30 mph.

    Low: 22 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Breezy, with a west northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. South southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Light and variable wind becoming east around 5 mph.
Saturday
A chance of rain before 5pm, then a slight chance of snow showers. Cloudy, then gradual clearing during the afternoon, with a high near 42. Light and variable wind becoming west northwest 13 to 18 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 22. Blustery, with a west northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 34. Breezy, with a west northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 43. South southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Sidell IL
 39.87°N 87.88°W (Elev. 735 ft)
Last Update:
3:36 pm CST Jan 9, 2026
Forecast Valid:
4pm CST Jan 9, 2026-6pm CST Jan 16, 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