Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
42°F
6°C
| Humidity | 96% |
| Wind Speed | NE 6 mph |
| Barometer | 29.90 in (1012.5 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 4.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 21 Mar 6:54 am CDT |
Extended Forecast for
4 Miles N Forsyth IL
Today

High: 83 °F
Sunny
Tonight

Low: 60 °F
Mostly Clear
Sunday
High: 79 °F
Mostly Sunny
then Mostly
Cloudy and
BreezySunday Night
Low: 33 °F
Mostly Cloudy
and Breezy
then Partly
CloudyMonday

High: 52 °F
Mostly Sunny
Monday Night

Low: 35 °F
Mostly Cloudy
Tuesday

High: 59 °F
Partly Sunny
Tuesday Night

Low: 41 °F
Mostly Cloudy
Wednesday

High: 65 °F
Mostly Cloudy
Detailed Forecast
Today
Sunny, with a high near 83. East wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 60. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 79. Breezy, with a southwest wind 11 to 16 mph becoming north 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 33. Breezy, with a north wind 14 to 22 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 52. North northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 35. East wind around 9 mph.
Tuesday
Partly sunny, with a high near 59. South wind 9 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Partly sunny, with a high near 74.
Thursday Night
A chance of rain. Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles N Forsyth IL
39.97°N 88.96°W (Elev. 679 ft)
39.97°N 88.96°W (Elev. 679 ft)
6:31 am CDT Mar 21, 2026
7am CDT Mar 21, 2026-6pm CDT Mar 27, 2026


