Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Partly Cloudy
40°F
4°C
| Humidity | 70% |
| Wind Speed | E 6 mph |
| Barometer | 30.17 in (1021.7 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 25 Mar 1:54 am CDT |
Extended Forecast for
Forsyth IL
Overnight
Low: 39 °F
Mostly Cloudy
Wednesday
High: 74 °F
Partly Sunny
Wednesday Night
Low: 59 °F
Chance
T-stormsThursday
High: 87 °F
Mostly Sunny
then Chance
T-storms and
BreezyThursday Night
Low: 36 °F
T-storms and
BreezyFriday
High: 49 °F
Mostly Cloudy
and Breezy
then Mostly
SunnyFriday Night
Low: 29 °F
Mostly Clear
Saturday
High: 54 °F
Sunny
Saturday Night
Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 39. Southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 74. South southwest wind 8 to 16 mph, with gusts as high as 22 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 59. South wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 36. Breezy, with a west northwest wind 14 to 22 mph becoming north northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a north wind 17 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 29. North northwest wind 6 to 13 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 78.
Monday Night
A chance of rain. Mostly cloudy, with a low around 57.
Tuesday
A chance of rain. Partly sunny, with a high near 77. Breezy.
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)
1:26 am CDT Mar 25, 2026
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
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