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

67°F

19°C

Humidity 74%
Wind Speed N 10 G 18 mph
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 7 Oct 3:55 pm CDT
Extended Forecast for

Sidell IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 63. North wind around 15 mph, with gusts as high as 24 mph.

    High: 63 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 44. North wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 71. North northeast wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. North northeast wind 5 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. East wind 5 to 7 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Light east southeast wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 63. North wind around 15 mph, with gusts as high as 24 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 44. North wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 71. North northeast wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 38. North northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 68. East wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 36. Light east southeast wind.
Friday
Sunny, with a high near 71. Calm wind.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 52.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.79°W (Elev. 653 ft)
Last Update:
3:36 pm CDT Oct 7, 2025
Forecast Valid:
4pm CDT Oct 7, 2025-6pm CDT Oct 14, 2025
 
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