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.

Fair

40°F

4°C

Humidity 67%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Mar 9:35 pm CDT
Extended Forecast for

3 Miles W Dennison IL

  • Tonight

    Tonight: Partly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of sprinkles and flurries before 7am. Partly sunny, with a high near 53. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 53 °F

    Chance
    Sprinkles/Flurries
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. East southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. Windy, with a south wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 69 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 26. Breezy, with a south wind 21 to 24 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 28. Blustery, with a west wind 24 to 28 mph, with gusts as high as 38 mph.

    High: 28 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Blustery, with a west northwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Saturday
A chance of sprinkles and flurries before 7am. Partly sunny, with a high near 53. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 46. East southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. Windy, with a south wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 45 mph.
Sunday Night
Rain before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Low around 26. Breezy, with a south wind 21 to 24 mph becoming west after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 50 percent chance of snow. Cloudy, with a high near 28. Blustery, with a west wind 24 to 28 mph, with gusts as high as 38 mph.
Monday Night
Mostly cloudy, with a low around 13. Blustery, with a west northwest wind 15 to 21 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Dennison IL
 39.46°N 87.65°W (Elev. 587 ft)
Last Update:
9:36 pm CDT Mar 13, 2026
Forecast Valid:
9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation