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Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

36°F

2°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.50 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Oct 4:35 am CDT
Extended Forecast for

Sidell IL

Frost Advisory October 18, 04:45am until October 18, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 18, 04:45am until October 18, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 65 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 69. Calm wind.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. South wind 3 to 8 mph.
Tonight
Clear, with a low around 37. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 69. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.91°N 87.84°W (Elev. 682 ft)
Last Update:
3:36 am CDT Oct 18, 2026
Forecast Valid:
4am CDT Oct 18, 2026-6pm CDT Oct 24, 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