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

65°F

18°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.99 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 2:35 am CDT
Extended Forecast for

4 Miles SW Sidell IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. West wind 3 to 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 3 to 7 mph. Winds could gust as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Chance
    Showers then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. South wind 9 to 16 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    T-storms then
    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. West wind 3 to 5 mph.
Saturday
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 59. Light and variable wind.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. South wind 9 to 16 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 75. North wind 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
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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:
1:51 am CDT Jun 20, 2026
Forecast Valid:
2am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation