National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Waynesville IL

  • Overnight

    Overnight: Clear, with a low around 51. East southeast wind 3 to 5 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. South wind 3 to 8 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 61. South wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 81. South wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69. South southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 82. South southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 63. Northwest wind 7 to 11 mph becoming north northeast in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 51. East southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 81. South wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 61. South wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 81. South wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 69. South southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 82. South southwest wind around 11 mph, with gusts as high as 18 mph.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 63. Northwest wind 7 to 11 mph becoming north northeast in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waynesville IL
 40.24°N 89.12°W (Elev. 699 ft)
Last Update:
1:25 am CDT Sep 29, 2026
Forecast Valid:
1am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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