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Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Overcast

47°F

8°C

Humidity 73%
Wind Speed NA
Barometer 30.01 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 1:15 pm CDT
Extended Forecast for

Sidell IL

Freeze Watch April 20, 01:00am until April 20, 08:00am
Frost Advisory April 19, 01:00am until April 19, 08:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 54. West northwest wind around 18 mph, with gusts as high as 26 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny during the morning, then partly sunny during the afternoon, with a high near 58. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 58 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 23 mph.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 58. Calm wind.

    High: 58 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 29 mph.

    High: 75 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 54. West northwest wind around 18 mph, with gusts as high as 26 mph.
Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny during the morning, then partly sunny during the afternoon, with a high near 58. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 23 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. Calm wind.
Monday Night
Mostly clear, with a low around 44. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
1:51 pm CDT Apr 18, 2026
Forecast Valid:
1pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation