Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
A Few Clouds
31°F
-1°C
| Humidity | 56% |
| Wind Speed | E 7 mph |
| Barometer | 30.39 in (1029.7 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 24 Mar 2:54 am CDT |
Extended Forecast for
Forsyth IL
Overnight
Low: 30 °F
Mostly Cloudy
Tuesday
High: 59 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
Wednesday
High: 73 °F
Partly Sunny
Wednesday Night
Low: 58 °F
Mostly Cloudy
Thursday
High: 85 °F
Sunny then
Chance
T-storms and
BreezyThursday Night
Low: 36 °F
T-storms and
BreezyFriday
High: 48 °F
Mostly Cloudy
and Breezy
then Partly
SunnyFriday Night
Low: 27 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 30. East southeast wind around 9 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 59. South southeast wind 7 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Wednesday
Partly sunny, with a high near 73. South southwest wind 8 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 58. South wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain likely and possibly a thunderstorm after 1am. Low around 36. Breezy, with a northwest wind 15 to 22 mph becoming north northeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 48. Breezy.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
1:26 am CDT Mar 24, 2026
3am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
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