Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
29°F
-2°C
| Humidity | 56% |
| Wind Speed | Calm |
| Barometer | 30.16 in (1022.0 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Last update | 9 Feb 9:54 am CST |
Extended Forecast for
Forsyth IL
Today

High: 42 °F
Mostly Sunny
Tonight

Low: 35 °F
Partly Cloudy
Tuesday

High: 51 °F
Mostly Sunny
Tuesday Night

Low: 26 °F
Mostly Clear
Wednesday

High: 44 °F
Mostly Sunny
Wednesday Night

Low: 28 °F
Mostly Cloudy
Thursday

High: 41 °F
Mostly Cloudy
Thursday Night

Low: 27 °F
Chance Snow
Friday

High: 41 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly sunny, with a high near 42. South southeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 35. South southeast wind 8 to 11 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 51. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 26. North northwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 44. North northwest wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 28. North northwest wind around 6 mph becoming east after midnight.
Thursday
Mostly cloudy, with a high near 41. East southeast wind 6 to 9 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 41.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29.
Sunday
A chance of rain. Mostly sunny, with a high near 44.
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)
9:36 am CST Feb 9, 2026
10am CST Feb 9, 2026-6pm CST Feb 15, 2026


