Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
82°F
28°C
| Humidity | 27% |
| Wind Speed | W 16 G 28 mph |
| Barometer | 29.83 in (1009.6 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 20 Mar 1:54 pm CDT |
Extended Forecast for
3 Miles WSW Forsyth IL
This Afternoon

High: 78 °F
Mostly Sunny
Tonight

Low: 45 °F
Partly Cloudy
Saturday

High: 77 °F
Sunny
Saturday Night

Low: 60 °F
Mostly Clear
Sunday
High: 80 °F
Mostly Sunny
then Partly
Sunny and
BreezySunday Night
Low: 35 °F
Mostly Cloudy
and Breezy
then Mostly
ClearMonday

High: 52 °F
Sunny
Monday Night

Low: 36 °F
Mostly Cloudy
Tuesday

High: 58 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 78. West northwest wind around 17 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 45. North northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 77. East wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 60. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 80. Breezy, with a south southwest wind 13 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a north wind 15 to 22 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 52. North wind 10 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 75. Breezy.
Additional Forecasts and Information
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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)
1:26 pm CDT Mar 20, 2026
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026


