Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Partly Cloudy
62°F
17°C
| Humidity | 93% |
| Wind Speed | S 16 mph |
| Barometer | 29.65 in (1004.0 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 8.00 mi |
| Last update | 28 Dec 6:54 am CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Wind Advisory December 28, 03:00pm until December 29, 12:00pm
Today
High: 67 °F
Showers
Likely then
Showers and
BreezyTonight
Low: 16 °F
Windy. Chance
Showers then
Mostly CloudyMonday

High: 24 °F
Chance
Flurries and
WindyMonday Night
Low: 13 °F
Partly Cloudy
and Blustery
then Mostly
ClearTuesday

High: 29 °F
Mostly Sunny
Tuesday Night

Low: 24 °F
Partly Cloudy
Wednesday

High: 37 °F
Partly Sunny
Wednesday Night

Low: 21 °F
Mostly Cloudy
New Year's Day

High: 31 °F
Mostly Sunny
Detailed Forecast
Today
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with a south southwest wind 14 to 19 mph becoming west 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 16. Wind chill values between -3 and 7. Windy, with a west wind 28 to 34 mph, with gusts as high as 48 mph.
Monday
A chance of flurries before noon. Partly sunny, with a high near 24. Wind chill values between -5 and 5. Windy, with a west northwest wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 48 mph.
Monday Night
Mostly clear, with a low around 13. Wind chill values between -2 and 5. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 29. West northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 24. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 37. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 42.
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)
7:51 am CST Dec 28, 2025
7am CST Dec 28, 2025-6pm CST Jan 3, 2026



