Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
26°F
-3°C
| Humidity | 84% |
| Wind Speed | N 15 mph |
| Barometer | 30.26 in (1024.9 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 1 Mar 12:54 am CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Overnight
Low: 25 °F
Partly Cloudy
Sunday
High: 42 °F
Increasing
CloudsSunday Night
Low: 29 °F
Snow then
Wintry MixMonday
High: 42 °F
Cloudy
Monday Night
Low: 38 °F
Cloudy then
RainTuesday
High: 56 °F
Showers
Tuesday Night
Low: 49 °F
Showers
Wednesday
High: 63 °F
Showers
Wednesday Night
Low: 48 °F
Showers
Likely
Detailed Forecast
Overnight
Partly cloudy, with a low around 25. North northeast wind around 13 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 42. East northeast wind 11 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Snow before 3am, then a chance of snow and freezing rain between 3am and 4am, then a chance of snow after 4am. Low around 29. East wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Monday
Cloudy, with a high near 42. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Monday Night
Rain after midnight. Low around 38. East southeast wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers. High near 56. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 49. East southeast wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 63. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Friday
Showers likely. Mostly cloudy, with a high near 69.
Friday Night
Showers likely. Partly cloudy, with a low around 49.
Saturday
Showers likely. Cloudy, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:11 am CST Mar 1, 2026
1am CST Mar 1, 2026-6pm CST Mar 7, 2026
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