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.

Fair

61°F

16°C

Humidity 89%
Wind Speed SW 16 mph
Barometer 29.86 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 10 Mar 1:35 am CDT
Extended Forecast for

4 Miles SW Sidell IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. South southwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 60. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 46 by 5pm. Breezy, with a southwest wind 20 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F⇓

    Breezy.
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 30 °F

    Chance
    Showers and
    Blustery then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. Northwest wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 8 to 18 mph increasing to 18 to 28 mph after midnight. Winds could gust as high as 37 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. South southwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 60. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 46 by 5pm. Breezy, with a southwest wind 20 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 49. Northwest wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 8 to 18 mph increasing to 18 to 28 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly cloudy, with a high near 56. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 58. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery.
Monday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Sidell IL
 39.87°N 87.88°W (Elev. 735 ft)
Last Update:
1:26 am CDT Mar 10, 2026
Forecast Valid:
1am CDT Mar 10, 2026-6pm CDT Mar 16, 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