Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
46°F
8°C
| Humidity | 71% |
| Wind Speed | NW 16 G 24 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 18 Apr 8:54 am CDT |
Extended Forecast for
Forsyth IL
Today
High: 55 °F
Decreasing
Clouds and
BreezyTonight
Low: 37 °F
Mostly Clear
then Patchy
FrostSunday
High: 60 °F
Patchy Frost
then Mostly
Sunny and
BreezySunday Night
Low: 34 °F
Mostly Clear
then Areas
FrostMonday
High: 60 °F
Areas Frost
then SunnyMonday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
and BreezyTuesday Night
Low: 56 °F
Partly Cloudy
Wednesday
High: 79 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 55. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 30 mph.
Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. West northwest wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a west wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. North northeast wind 6 to 14 mph, with gusts as high as 20 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 60. East northeast wind 6 to 8 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 47. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 76. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 83. Breezy.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. 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)
7:36 am CDT Apr 18, 2026
9am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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