


Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
71°F
22°C
Humidity | 63% |
Wind Speed | NA |
Barometer | 29.91 in (1012.5 mb) |
Dewpoint | 58°F (14°C) |
Visibility | 10.00 mi |
Last update | 3 Sep 8:54 am CDT |
Extended Forecast for
Forsyth IL
Today
High: 83 °F
Mostly Sunny
then Chance
ShowersTonight
Low: 50 °F
Showers
Likely then
Chance
ShowersThursday
High: 72 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 71 °F
Mostly Sunny
Friday Night
Low: 46 °F
Partly Cloudy
Saturday
High: 73 °F
Sunny
Saturday Night
Low: 48 °F
Mostly Clear
Sunday
High: 74 °F
Sunny
Detailed Forecast
Today
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. West southwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 50. North northwest wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 72. North northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 57. South wind 6 to 14 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 71. West northwest wind around 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 46. West northwest wind 5 to 9 mph becoming light after midnight.
Saturday
Sunny, with a high near 73. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
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)
7:40 am CDT Sep 3, 2025
9am CDT Sep 3, 2025-6pm CDT Sep 9, 2025