Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Snow Fog/Mist and Breezy

21°F

-6°C

Humidity 85%
Wind Speed W 24 G 36 mph
Barometer 29.78 in (1009.0 mb)
Dewpoint 17°F (-8°C)
Visibility 1.25 mi
Wind Chill4°F (-16°C)
Last update 16 Mar 8:54 am CDT
Extended Forecast for

3 Miles WSW Forsyth IL

Wind Advisory March 16, 09:26am until March 16, 10:00am
Click here for hazard details and duration
...
  •  
    Wind Advisory March 16, 09:26am until March 16, 10:00am

    NOW until 10:00am Mon

    Wind Advisory

  • Today

    High: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Wind chill values between -7 and 3. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Wind chill values between -6 and 4. West northwest wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely.  Mostly cloudy, with a low around 24. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 11 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West wind 6 to 8 mph becoming south after midnight.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Today
A 40 percent chance of snow, mainly before 2pm. Patchy blowing snow before 4pm. Cloudy, with a high near 24. Wind chill values between 4 and 9. Windy, with a west northwest wind 26 to 31 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, with a low around 11. Wind chill values between -7 and 3. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 28. Wind chill values between -6 and 4. West northwest wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 24. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 11 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 34. West wind 6 to 8 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 64. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
8:02 am CDT Mar 16, 2026
9am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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