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

41°F

5°C

Humidity 88%
Wind Speed NW 10 G 15 mph
Barometer 29.85 in
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Wind Chill35°F (2°C)
Last update 7 Jan 1:15 am CST
Extended Forecast for

Sidell IL

  • Overnight

    Overnight: Cloudy, with a low around 35. West northwest wind 5 to 7 mph.

    Low: 35 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 52 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. South wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely after noon. Cloudy, with a high near 61. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Rain
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Rain. Low around 52. Breezy, with a south wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Breezy. Rain
    then Rain
    Likely

  • Friday

    Friday: Partly sunny, with a high near 59. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Northeast wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 35. West northwest wind 5 to 7 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 38. South wind 7 to 10 mph, with gusts as high as 17 mph.
Thursday
Rain likely after noon. Cloudy, with a high near 61. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 52. Breezy, with a south wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 59. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Northeast wind around 7 mph.
Saturday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
1:22 am CST Jan 7, 2026
Forecast Valid:
1am CST Jan 7, 2026-6pm CST Jan 13, 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