Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
86°F
30°C
| Humidity | 32% |
| Wind Speed | E 6 mph |
| Barometer | 30.14 in (1020.2 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 29 Sep 5:54 pm CDT |
Extended Forecast for
Forsyth IL
Tonight
Low: 59 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 56 °F
Partly Cloudy
Wednesday
High: 86 °F
Partly Sunny
Wednesday Night
Low: 58 °F
Mostly Cloudy
Thursday
High: 86 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 60 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 59. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 88. Northeast wind 6 to 11 mph, with gusts as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 56. East northeast wind around 8 mph.
Wednesday
Partly sunny, with a high near 86. East wind around 9 mph.
Wednesday Night
Mostly cloudy, with a low around 58. East wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 86. South southeast wind around 7 mph.
Thursday Night
Clear, with a low around 58. South southeast wind around 6 mph.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
6:40 pm CDT Sep 29, 2025
6pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
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