Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
39°F
4°C
| Humidity | 60% |
| Wind Speed | W 14 G 30 mph |
| Barometer | 30.06 in (1018.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 10 Jan 6:54 pm CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Tonight
Low: 24 °F
Rain/Snow
then Slight
Chance Snow
and BlusterySunday
High: 34 °F
Mostly Sunny
and Breezy
then SunnySunday Night

Low: 25 °F
Mostly Clear
Monday

High: 44 °F
Mostly Sunny
Monday Night

Low: 33 °F
Partly Cloudy
Tuesday

High: 52 °F
Partly Sunny
Tuesday Night

Low: 32 °F
Mostly Cloudy
Wednesday

High: 39 °F
Mostly Cloudy
Wednesday Night

Low: 18 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow, possibly mixed with rain before midnight, then a slight chance of snow between midnight and 5am. Low around 24. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 34. Breezy, with a west northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Mostly clear, with a low around 25. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 33. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 52. West southwest wind 15 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 32. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of snow. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 29.
Additional Forecasts and Information
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ABOUT 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)
6:42 pm CST Jan 10, 2026
7pm CST Jan 10, 2026-6pm CST Jan 17, 2026



