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.

Overcast

25°F

-4°C

Humidity 63%
Wind Speed SW 9 mph
Barometer 30.25 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 17 Mar 4:35 pm CDT
Extended Forecast for

Sidell IL

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a high near 28. West southwest wind around 6 mph.

    High: 28 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow, mainly before 5am. Low around 24. Light south southwest wind becoming south southeast 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 50. South wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 50 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Light and variable wind becoming south around 6 mph in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 61. South wind 6 to 8 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. North northeast wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 9 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a high near 28. West southwest wind around 6 mph.
Tonight
Snow, mainly before 5am. Low around 24. Light south southwest wind becoming south southeast 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 50. South wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 36. Light and variable wind becoming south around 6 mph in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 61. South wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 38. North northeast wind 3 to 6 mph.
Friday
Partly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 72. Breezy.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 53.
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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:
4:36 pm CDT Mar 17, 2026
Forecast Valid:
4pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation