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

37°F

3°C

Humidity 88%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Jan 4:15 am CST
Extended Forecast for

Sidell IL

  • Today

    Today: Showers likely, mainly between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly between 9pm and midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 22. Blustery, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday

    Sunday: A chance of flurries before 9am. 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

    Chance
    Flurries and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Showers likely, mainly between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of snow showers, mainly between 9pm and midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 22. Blustery, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
A chance of flurries before 9am. 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 6 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 43. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 31. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 51. Southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 38.
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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:
4:26 am CST Jan 10, 2026
Forecast Valid:
4am CST Jan 10, 2026-6pm CST Jan 16, 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