Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
55°F
13°C
| Humidity | 96% |
| Wind Speed | S 7 mph |
| Barometer | 30.08 in (1018.8 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 3.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 24 Dec 5:54 pm CST |
Extended Forecast for
2 Miles NNE Decatur Airport IL
Dense Fog Advisory December 24, 09:00pm until December 25, 10:00am
Tonight
Low: 47 °F
Chance
Drizzle and
Patchy Dense
FogChristmas Day
High: 52 °F
Areas Dense
Fog then
CloudyThursday Night
Low: 49 °F
Cloudy then
Chance RainFriday

High: 64 °F
Partly Sunny
Friday Night

Low: 41 °F
Mostly Cloudy
Saturday

High: 59 °F
Mostly Cloudy
Saturday Night

Low: 49 °F
Mostly Cloudy
Sunday

High: 55 °F
Chance Rain
Sunday Night
Low: 15 °F
Blustery.
Chance Rain
then Partly
Cloudy
Detailed Forecast
Tonight
A chance of drizzle, mainly before midnight. Patchy dense fog. Otherwise, cloudy, with a low around 47. South southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 15 mph.
Christmas Day
Areas of dense fog before 11am. Otherwise, cloudy, with a high near 52. North northeast wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 49. East wind around 10 mph becoming south after midnight. Winds could gust as high as 17 mph.
Friday
Partly sunny, with a high near 64. South wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 41. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 59. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 49. Southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 55.
Sunday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 15. Blustery.
Monday
Sunny, with a high near 24. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 33.
Additional Forecasts and Information
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ABOUT 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)
6:01 pm CST Dec 24, 2025
6pm CST Dec 24, 2025-6pm CST Dec 31, 2025



