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

63°F

17°C

Humidity 82%
Wind Speed W 20 G 29 mph
Barometer 29.85 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 1:35 pm CST
Extended Forecast for

Sidell IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm. Cloudy, with a high near 64. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.

    High: 64 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West northwest wind 5 to 15 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Breezy. Chance of precipitation is 90%.

    Low: 57 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 66. Breezy. Chance of precipitation is 100%.

    High: 66 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Cloudy, with a high near 64. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 36. West northwest wind 5 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 43. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 72. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Breezy. Chance of precipitation is 90%.
Wednesday
Showers. High near 66. Breezy. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 30. Blustery.
Thursday
Mostly sunny, with a high near 46. Breezy.
Thursday Night
Mostly cloudy, with a low around 38. Breezy.
Friday
Mostly cloudy, with a high near 60. Breezy.
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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:
1:11 pm CST Mar 7, 2026
Forecast Valid:
1pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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