National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

-4°F

-20°C

Humidity 78%
Wind Speed Calm
Barometer 30.35 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 27 Jan 11:35 pm CST
Extended Forecast for

Sidell IL

Cold Weather Advisory until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Tonight

    Low: -8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17. Wind chill values between -11 and -21. West wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -3. West wind around 6 mph becoming calm in the evening.

    Low: -3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 13. Wind chill values between -3 and 7. Light north wind.

    High: 13 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -5. Calm wind becoming north around 5 mph after midnight.

    Low: -5 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 12. North wind 5 to 7 mph.

    High: 12 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around -8. Wind chill values between -11 and -21. West wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 17. Wind chill values between -11 and -21. West wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around -3. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 13. Wind chill values between -3 and 7. Light north wind.
Thursday Night
Mostly cloudy, with a low around -5. Calm wind becoming north around 5 mph after midnight.
Friday
Partly sunny, with a high near 12. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around -2. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 20.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 26.
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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:
10:56 pm CST Jan 27, 2026
Forecast Valid:
11pm CST Jan 27, 2026-6pm CST Feb 3, 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