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.

Fair

27°F

-3°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 30.32 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 2:15 am CST
Extended Forecast for

Waynesville IL

  • Overnight

    Overnight: Clear early, then becoming mostly cloudy, with a low around 23. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 44. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.

    High: 39 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 33 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear early, then becoming mostly cloudy, with a low around 23. Southwest wind around 11 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 44. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 32. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 52. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 33. West wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly cloudy, with a low around 14. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 33 mph.
Thursday
Sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 25.
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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:
10:57 pm CST Jan 11, 2026
Forecast Valid:
2am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation