Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Thunderstorm

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 14 Aug 1:35 am CDT
Extended Forecast for

Sidell IL

Flood Watch August 14, 01:42am until August 14, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 14, 01:42am until August 14, 10:00am

    NOW until 10:00am Fri

    Flood Watch

  • Overnight

    Low: 70 °F

    Heavy Rain

  • Friday

    Friday: Showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall.  High near 88. Heat index values as high as 100. East southeast wind 3 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a low around 72. East wind 3 to 6 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Mostly sunny, with a high near 89. Heat index values as high as 103. East southeast wind 6 to 8 mph becoming south southwest in the afternoon.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 90. West northwest wind 7 to 9 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 69. North northwest wind 3 to 8 mph.  Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 70. East wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 100. East southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 72. East wind 3 to 6 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 89. Heat index values as high as 103. East southeast wind 6 to 8 mph becoming south southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 73. South southwest wind around 6 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. West northwest wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. North northwest wind 3 to 8 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A chance of showers. Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.82°W (Elev. 659 ft)
1:26 am CDT Aug 14, 2026
1am CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
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Additional Resources

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