Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

46°F

8°C

Humidity 93%
Wind Speed E 17 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 2 Apr 12:54 am CDT
Extended Forecast for

Forsyth IL

Wind Advisory April 2, 10:00am until April 2, 06:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am.  Cloudy, with a low around 46. East southeast wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Breezy, with a south wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. South wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 58. South wind 14 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 62. Breezy, with a south southwest wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Breezy, with a west wind 16 to 20 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 46. East southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy, with a south wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South wind 8 to 16 mph, with gusts as high as 23 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 58. South wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62. Breezy, with a south southwest wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 16 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
12:32 am CDT Apr 2, 2026
1am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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