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.

Fog/Mist

45°F

7°C

Humidity 95%
Wind Speed SE 6 mph
Barometer 30.02 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 27 Dec 8:15 am CST
Extended Forecast for

Sidell IL

Dense Fog Advisory until December 27, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 27, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Today

    High: 53 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers after midnight. Cloudy, with a temperature falling to near 50 by 8pm, then rising to around 59 during the remainder of the night. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 50 °F⇑

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 66. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely before midnight. Mostly cloudy, with a low around 17. Wind chill values between 2 and 12. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 17 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 24. Breezy, with a west northwest wind 21 to 29 mph, with gusts as high as 46 mph.

    High: 24 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. West northwest wind 14 to 18 mph, with gusts as high as 32 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 53. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers after midnight. Cloudy, with a temperature falling to near 50 by 8pm, then rising to around 59 during the remainder of the night. South wind around 11 mph, with gusts as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 66. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely before midnight. Mostly cloudy, with a low around 17. Wind chill values between 2 and 12. Breezy, with a west wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 24. Breezy, with a west northwest wind 21 to 29 mph, with gusts as high as 46 mph.
Monday Night
Partly cloudy, with a low around 13. West northwest wind 14 to 18 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 27. West wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 16.
New Year's Day
Mostly sunny, with a high near 25.
Thursday Night
Mostly clear, with a low around 8.
Friday
Sunny, with a high near 24.
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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:
3:16 am CST Dec 27, 2025
Forecast Valid:
8am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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