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

64°F

18°C

Humidity 96%
Wind Speed SW 13 mph
Barometer 29.91 in
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 10 Mar 8:15 am CDT
Extended Forecast for

Sidell IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. South wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 61. Breezy, with a south southwest wind 16 to 21 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: 61 °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 21 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 16 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Windy, with a south wind 8 to 18 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 38 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 56. Breezy, with a southwest wind 20 to 29 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. South wind 11 to 18 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 61. Breezy, with a south southwest wind 16 to 21 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 21 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 16 mph.
Thursday Night
Mostly cloudy, with a low around 40. Windy, with a south wind 8 to 18 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 38 mph.
Friday
Mostly cloudy, with a high near 56. Breezy, with a southwest wind 20 to 29 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph.
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 21. Blustery.
Monday
Partly sunny, with a high near 32.
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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:
7:36 am CDT Mar 10, 2026
Forecast Valid:
8am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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