Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds and Windy

71°F

22°C

Humidity 71%
Wind Speed S 28 G 41 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Apr 11:54 am CDT
Extended Forecast for

4 Miles N Forsyth IL

Wind Advisory April 2, 12:30pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 2, 12:30pm until April 2, 07:00pm

    NOW until 7:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 74 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am.  Mostly cloudy, with a low around 55. Breezy, with a south wind 19 to 24 mph becoming west 8 to 13 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely and
    Breezy then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 77. Southwest wind 6 to 15 mph becoming south southeast in the morning. Winds could gust as high as 22 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 54. South wind 14 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 64. Breezy, with a west wind 15 to 21 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. West northwest wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 74. Breezy, with a south wind around 29 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 55. Breezy, with a south wind 19 to 24 mph becoming west 8 to 13 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 77. Southwest wind 6 to 15 mph becoming south southeast in the morning. Winds could gust as high as 22 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 54. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 64. Breezy, with a west wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 36. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 52. West northwest wind 14 to 18 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 65. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Forsyth IL
 39.97°N 88.96°W (Elev. 679 ft)
11:47 am CDT Apr 2, 2026
12pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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Additional Resources

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