Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
47°F
8°C
| Humidity | 37% |
| Wind Speed | NW 12 mph |
| Barometer | 29.76 in (1007.8 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 25 Feb 11:54 am CST |
Extended Forecast for
Forsyth IL
Today

High: 46 °F
Mostly Sunny
Tonight

Low: 27 °F
Wintry Mix
LikelyThursday

High: 47 °F
Mostly Sunny
Thursday Night

Low: 30 °F
Clear
Friday

High: 62 °F
Sunny
Friday Night

Low: 35 °F
Mostly Clear
Saturday

High: 51 °F
Mostly Sunny
Saturday Night

Low: 25 °F
Mostly Cloudy
Sunday
High: 38 °F
Partly Sunny
then Chance
Rain/Snow
Detailed Forecast
Today
Mostly sunny, with a high near 46. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Rain and snow likely before 3am, then a slight chance of snow and freezing rain between 3am and 4am. Mostly cloudy, with a low around 27. Northwest wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 47. East northeast wind 6 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Clear, with a low around 30. South southwest wind around 7 mph.
Friday
Sunny, with a high near 62. Southwest wind 8 to 18 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 9 to 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 51. North northeast wind 10 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Sunday Night
Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 35.
Monday Night
A chance of rain. Mostly cloudy, with a low around 24.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40.
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)
11:37 am CST Feb 25, 2026
11am CST Feb 25, 2026-6pm CST Mar 3, 2026



