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.

Mostly Cloudy

76°F

24°C

Humidity 69%
Wind Speed S 18 mph
Barometer 29.81 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Mar 3:55 pm CDT
Extended Forecast for

4 Miles NNW Dennison IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 3am. Low around 59. South southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Rain and thunderstorms before 3pm, then a chance of rain. Temperature rising to near 66 by noon, then falling to around 49 during the remainder of the day. Breezy, with a southwest wind 21 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F⇓

    Breezy.
    T-storms then
    Rain

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Northwest wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a south southwest wind 18 to 25 mph becoming west in the afternoon. Winds could gust as high as 37 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms, mainly after 3am. Low around 59. South southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and thunderstorms before 3pm, then a chance of rain. Temperature rising to near 66 by noon, then falling to around 49 during the remainder of the day. Breezy, with a southwest wind 21 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 31 mph.
Thursday
Increasing clouds, with a high near 49. Northwest wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Friday
Partly sunny, with a high near 57. Breezy, with a south southwest wind 18 to 25 mph becoming west in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Rain, mainly after 1pm. High near 62. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Dennison IL
 39.53°N 87.61°W (Elev. 663 ft)
Last Update:
4:01 pm CDT Mar 10, 2026
Forecast Valid:
4pm CDT Mar 10, 2026-6pm CDT Mar 17, 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