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.

Overcast

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 3 Mar 1:35 am CST
Extended Forecast for

4 Miles SW Sidell IL

  • Overnight

    Overnight: A 30 percent chance of showers after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 36. East southeast wind 3 to 5 mph.

    Low: 36 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Patchy fog. High near 46. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Areas of fog. Low around 41. East northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after noon. Patchy fog before noon. High near 55. East northeast wind 5 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: 55 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 50. Light and variable wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before noon. High near 64. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly before noon. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.

    High: 73 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
A 30 percent chance of showers after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 36. East southeast wind 3 to 5 mph.
Tuesday
Showers and possibly a thunderstorm. Patchy fog. High near 46. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Areas of fog. Low around 41. East northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after noon. Patchy fog before noon. High near 55. East northeast wind 5 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.
Wednesday Night
Rain and possibly a thunderstorm. Low around 50. Light and variable wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain, mainly before noon. High near 64. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming south southeast after midnight.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Rain likely before noon. Cloudy, with a high near 67. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Sidell IL
 39.87°N 87.88°W (Elev. 735 ft)
Last Update:
1:51 am CST Mar 3, 2026
Forecast Valid:
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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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