Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
73°F
23°C
| Humidity | 32% |
| Wind Speed | S 8 mph |
| Barometer | 30.00 in (1016.1 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 4:54 pm CDT |
Extended Forecast for
3 Miles WSW Forsyth IL
Tonight

Low: 47 °F
Mostly Clear
Friday

High: 76 °F
Mostly Sunny
Friday Night

Low: 45 °F
Mostly Cloudy
Saturday

High: 76 °F
Sunny
Saturday Night

Low: 57 °F
Mostly Clear
Sunday

High: 79 °F
Mostly Sunny
and BreezySunday Night

Low: 36 °F
Partly Cloudy
and BreezyMonday

High: 53 °F
Sunny
Monday Night

Low: 36 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 47. South wind 6 to 9 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 76. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 45. North wind 6 to 8 mph becoming east after midnight.
Saturday
Sunny, with a high near 76. East wind 6 to 9 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 36. Breezy, with a north wind 16 to 20 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Forsyth IL
39.89°N 89.02°W (Elev. 656 ft)
39.89°N 89.02°W (Elev. 656 ft)
5:46 pm CDT Mar 19, 2026
5pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026


