Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
49°F
9°C
| Humidity | 93% |
| Wind Speed | SE 10 mph |
| Barometer | 29.88 in (1011.9 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 5.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 24 Nov 9:54 pm CST |
Extended Forecast for
4 Miles SW Forsyth IL
Tonight
Low: 47 °F
Rain and
Patchy FogTuesday
High: 55 °F
Areas Drizzle
and Patchy
FogTuesday Night
Low: 32 °F
Chance Rain
then Mostly
Cloudy and
BreezyWednesday
High: 41 °F
Decreasing
Clouds and
BreezyWednesday Night
Low: 23 °F
Mostly Clear
Thanksgiving Day
High: 36 °F
Sunny and
BreezyThursday Night
Low: 17 °F
Mostly Clear
Friday
High: 34 °F
Mostly Sunny
Friday Night
Low: 25 °F
Chance Snow
then Snow
Likely
Detailed Forecast
Tonight
Rain. Patchy fog. Low around 47. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Areas of drizzle before noon, then a slight chance of rain after 3pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 55. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 33 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Breezy, with a west wind 20 to 26 mph, with gusts as high as 39 mph.
Wednesday Night
Mostly clear, with a low around 23. West northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Thanksgiving Day
Sunny, with a high near 36. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 17. West northwest wind 5 to 13 mph.
Friday
Mostly sunny, with a high near 34.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Snow likely before noon, then rain and snow likely. Cloudy, with a high near 36. Chance of precipitation is 70%.
Saturday Night
A chance of rain. Cloudy, with a low around 28.
Sunday
A chance of rain. Mostly cloudy, with a high near 41.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 27.
Monday
A chance of rain. Mostly cloudy, with a high near 41.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Forsyth IL
39.89°N 89°W (Elev. 659 ft)
39.89°N 89°W (Elev. 659 ft)
9:36 pm CST Nov 24, 2025
10pm CST Nov 24, 2025-6pm CST Dec 1, 2025
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