National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Rain

58°F

14°C

Humidity 95%
Wind Speed N 3 mph
Barometer 30.01 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 6:55 am CDT
Extended Forecast for

Sidell IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 81. North wind 3 to 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 90. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 69. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Partly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 79. North northeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 81. North wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 58. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Mostly sunny, with a high near 90. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 69. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 90. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely after 1am. Partly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. North northeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.82°W (Elev. 659 ft)
Last Update:
6:36 am CDT Oct 11, 2026
Forecast Valid:
7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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