Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
63°F
17°C
| Humidity | 93% |
| Wind Speed | S 15 mph |
| Barometer | 29.64 in (1003.4 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 9.00 mi |
| Last update | 28 Dec 7:54 am CST |
Extended Forecast for
2 Miles NNE Decatur Airport IL
Wind Advisory December 28, 03:00pm until December 29, 12:00pm
Today
High: 66 °F⇓
Showers and
BreezyTonight
Low: 15 °F
Windy. Chance
Showers then
Mostly CloudyMonday
High: 24 °F
Chance
Flurries and
WindyMonday Night
Low: 12 °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 likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Temperature rising to near 66 by 11am, then falling to around 55 during the remainder of the day. Breezy, with a south wind 14 to 24 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. 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 15. Wind chill values between -2 and 8. Windy, with a west wind 28 to 33 mph, with gusts as high as 47 mph.
Monday
A chance of flurries before noon. Partly sunny, with a high near 24. Wind chill values between -6 and 4. Windy, with a west northwest wind 27 to 32 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 47 mph.
Monday Night
Mostly clear, with a low around 12. Wind chill values between -3 and 6. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 29. West wind 11 to 13 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 35.
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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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Decatur Airport IL
39.86°N 88.85°W (Elev. 682 ft)
39.86°N 88.85°W (Elev. 682 ft)
7:51 am CST Dec 28, 2025
8am CST Dec 28, 2025-6pm CST Jan 3, 2026
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