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

50°F

10°C

Humidity 97%
Wind Speed SE 9 mph
Barometer 29.92 in
Dewpoint 50°F (10°C)
Visibility 1.50 mi
Wind Chill46°F (8°C)
Last update 25 Dec 11:15 pm CST
Extended Forecast for

Sidell IL

Dense Fog Advisory December 25, 11:36pm until December 26, 04:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 25, 11:36pm until December 26, 04:00am

    NOW until 4:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 49 °F

    Chance
    Drizzle and
    Patchy Dense
    Fog

  • Friday

    Friday: A slight chance of drizzle before 7am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 65 °F

    Slight Chance
    Drizzle and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after noon. High near 66. South southwest wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before midnight. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 19 °F

    Blustery.
    Rain Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27. Blustery.

    High: 27 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Tonight
A chance of drizzle. Patchy dense fog. Otherwise, cloudy, with a low around 49. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Friday
A slight chance of drizzle before 7am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 59. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
A 40 percent chance of rain after midnight. Cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 18 mph.
Sunday
Rain likely, then rain and possibly a thunderstorm after noon. High near 66. South southwest wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely before midnight. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 14 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 27. Blustery.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 18.
New Year's Day
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.82°W (Elev. 659 ft)
Last Update:
11:22 pm CST Dec 25, 2025
Forecast Valid:
11pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation