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

57°F

14°C

Humidity 91%
Wind Speed NA
Barometer 29.94 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 3:15 am CDT
Extended Forecast for

3 Miles SSW Sidell IL

  • Overnight

    Overnight: Clear, with a low around 55. Light south wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    T-storms
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 51 by 8am. Northwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F⇓

    Showers
    Likely

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 57. West northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 57 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 55. Light south wind.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 51 by 8am. Northwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 57. West northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 75. Breezy.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Sidell IL
 39.87°N 87.85°W (Elev. 719 ft)
Last Update:
2:50 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 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