Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
31°F
-1°C
| Humidity | 67% |
| Wind Speed | S 17 G 24 mph |
| Barometer | 30.04 in (1018.0 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 18 Mar 7:54 am CDT |
Extended Forecast for
Forsyth IL
Today

High: 53 °F
Becoming
SunnyTonight

Low: 37 °F
Increasing
CloudsThursday

High: 64 °F
Decreasing
CloudsThursday Night

Low: 43 °F
Increasing
CloudsFriday

High: 73 °F
Partly Sunny
Friday Night

Low: 47 °F
Mostly Cloudy
Saturday

High: 74 °F
Mostly Sunny
Saturday Night

Low: 51 °F
Mostly Clear
Sunday

High: 71 °F
Mostly Sunny
and Breezy
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 53. South wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Tonight
Increasing clouds, with a low around 37. Light and variable wind becoming south around 6 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 6 to 10 mph becoming northeast in the afternoon.
Thursday Night
Increasing clouds, with a low around 43. Northeast wind around 7 mph becoming south southeast after midnight.
Friday
Partly sunny, with a high near 73. West southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 47. West southwest wind 6 to 9 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 74. North northeast wind 6 to 10 mph becoming south southwest in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 71. Breezy.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
7:36 am CDT Mar 18, 2026
8am CDT Mar 18, 2026-6pm CDT Mar 24, 2026



