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

38°F

3°C

Humidity 97%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Last update 15 Feb 9:15 pm CST
Extended Forecast for

Sidell IL

  • Tonight

    Tonight: Areas of fog after 3am. Otherwise, partly cloudy, with a low around 36. Southwest wind 3 to 5 mph.

    Low: 36 °F

    Mostly Clear
    then Areas
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 59. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. South wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 59. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 59 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 33 mph.

    Low: 53 °F

    Breezy.
    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 32 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. West southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain before midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Areas of fog after 3am. Otherwise, partly cloudy, with a low around 36. Southwest wind 3 to 5 mph.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 59. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 39. South wind around 7 mph.
Tuesday
Cloudy, with a high near 59. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 33 mph.
Wednesday
Sunny, with a high near 69. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 42. West southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 67.
Thursday Night
A 40 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
8:37 pm CST Feb 15, 2026
Forecast Valid:
9pm CST Feb 15, 2026-6pm CST Feb 22, 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