Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

37°F

3°C

Humidity 65%
Wind Speed W 17 G 26 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 26 Nov 7:54 am CST
Extended Forecast for

3 Miles WSW Forsyth IL

Wind Advisory until November 26, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 26, 06:00pm

    NOW until 6:00pm Wed

    Wind Advisory

  • Today

    High: 39 °F

    Gradual
    Clearing and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 23. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 37. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. West northwest wind 7 to 11 mph, with gusts as high as 16 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 34. West northwest wind 5 to 7 mph becoming light and variable  in the afternoon.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Snow likely after midnight.  Mostly cloudy, with a low around 24. Light south southeast wind becoming southeast 9 to 14 mph in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow before noon, then rain and snow.  High near 36. South southeast wind 15 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain.  Low around 26. Chance of precipitation is 80%.

    Low: 26 °F

    Rain

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 39. Breezy, with a west northwest wind 22 to 29 mph, with gusts as high as 45 mph.
Tonight
Mostly clear, with a low around 23. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 34 mph.
Thanksgiving Day
Sunny, with a high near 37. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 17. West northwest wind 7 to 11 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 34. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Friday Night
Snow likely after midnight. Mostly cloudy, with a low around 24. Light south southeast wind becoming southeast 9 to 14 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Saturday
Snow before noon, then rain and snow. High near 36. South southeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 26. Chance of precipitation is 80%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
A chance of snow. Partly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 28.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
6:36 am CST Nov 26, 2025
8am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
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Additional Resources

Radar & Satellite Image

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