Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
37°F
3°C
| Humidity | 70% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.9 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 25 Mar 6:54 am CDT |
Extended Forecast for
3 Miles WSW Forsyth IL
Today

High: 73 °F
Partly Sunny
Tonight

Low: 59 °F
Chance
T-stormsThursday
High: 87 °F
Mostly Sunny
then Chance
T-storms and
BreezyThursday Night

Low: 37 °F
T-storms and
BreezyFriday
High: 49 °F
Mostly Cloudy
and Breezy
then Mostly
SunnyFriday Night

Low: 29 °F
Mostly Clear
Saturday

High: 54 °F
Sunny
Saturday Night

Low: 38 °F
Partly Cloudy
Sunday

High: 61 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 73. South southwest wind 7 to 16 mph, with gusts as high as 22 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. South wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 37. Breezy, with a west wind 14 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 half and three quarters of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a north wind 17 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 29. North wind 6 to 13 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 54. North wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 78.
Monday Night
A chance of rain. Mostly cloudy, with a low around 57.
Tuesday
A chance of rain. Partly sunny, with a high near 77. 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)
6:26 am CDT Mar 25, 2026
7am CDT Mar 25, 2026-6pm CDT Mar 31, 2026



