Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

17°F

-8°C

Humidity 68%
Wind Speed W 9 mph
Barometer 30.25 in (1025.4 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 17 Mar 9:54 am CDT
Extended Forecast for

3 Miles WSW Forsyth IL

  • Today

    Today: Increasing clouds, with a high near 28. Wind chill values between 4 and 14. West northwest wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 28 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 11pm.  Low around 25. South wind 7 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 54. South wind 11 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 54 °F

    Chance Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. West wind around 6 mph becoming south after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 7 to 9 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. North northeast wind around 6 mph becoming south southeast after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. West southwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 28. Wind chill values between 4 and 14. West northwest wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Tonight
Snow, mainly after 11pm. Low around 25. South wind 7 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 54. South wind 11 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 36. West wind around 6 mph becoming south after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 42. North northeast wind around 6 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 70. West southwest wind 6 to 11 mph, with gusts as high as 17 mph.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 68. Breezy.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
9:36 am CDT Mar 17, 2026
10am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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