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.

Partly Cloudy

43°F

6°C

Humidity 63%
Wind Speed NA
Barometer 30.25 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 10:55 pm CDT
Extended Forecast for

4 Miles SW Sidell IL

Freeze Warning April 20, 01:00am until April 20, 08:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33. Northeast wind 3 to 6 mph.

    Low: 33 °F

    Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 75 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33. Northeast wind 3 to 6 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind.
Monday Night
Mostly clear, with a low around 42. South wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 75. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind 7 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 7 mph.
Thursday
Sunny, with a high near 80. Breezy.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 67.
Basemap Options
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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:
10:36 pm CDT Apr 19, 2026
Forecast Valid:
11pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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