Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
31°F
-1°C
| Humidity | 85% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1013.4 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 2:54 am CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Overnight

Low: 32 °F
Clear
Friday
High: 67 °F
Sunny then
Sunny and
BreezyFriday Night

Low: 34 °F
Mostly Clear
Saturday

High: 54 °F
Partly Sunny
Saturday Night

Low: 25 °F
Partly Cloudy
Sunday

High: 41 °F
Mostly Cloudy
Sunday Night

Low: 25 °F
Snow
Monday

High: 39 °F
Mostly Cloudy
Monday Night

Low: 29 °F
Chance Rain
Detailed Forecast
Overnight
Clear, with a low around 32. Calm wind.
Friday
Sunny, with a high near 67. Breezy, with a light south southwest wind becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Mostly clear, with a low around 34. Southwest wind 7 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 54. East wind 5 to 13 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 25. North northeast wind 14 to 16 mph, with gusts as high as 23 mph.
Sunday
Mostly cloudy, with a high near 41. East northeast wind around 14 mph, with gusts as high as 22 mph.
Sunday Night
Snow. Low around 25. East northeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Mostly cloudy, with a high near 39.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 29.
Tuesday
Rain likely. Cloudy, with a high near 45. Chance of precipitation is 70%.
Tuesday Night
Rain likely. Cloudy, with a low around 35.
Wednesday
A chance of rain. Cloudy, with a high near 56.
Wednesday Night
Rain likely. Cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 62.
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)
2:41 am CST Feb 27, 2026
3am CST Feb 27, 2026-6pm CST Mar 5, 2026


