Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Partly Cloudy
49°F
9°C
| Humidity | 61% |
| Wind Speed | W 9 mph |
| Barometer | 29.71 in (1006.3 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 13 Jan 7:54 pm CST |
Extended Forecast for
2 Miles NNE Decatur Airport IL
Tonight

Low: 33 °F
Mostly Cloudy
Wednesday
High: 34 °F⇓
Breezy.
Chance
Sprinkles/Flurries
then Mostly
SunnyWednesday Night

Low: 14 °F
Mostly Clear
Thursday

High: 27 °F
Sunny
Thursday Night

Low: 24 °F⇑
Snow Likely
Friday

High: 38 °F
Mostly Cloudy
and BreezyFriday Night

Low: 14 °F
Mostly Cloudy
Saturday

High: 20 °F
Mostly Cloudy
Saturday Night

Low: 5 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of sprinkles and flurries before 7am, then a chance of flurries between 7am and 11am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 14. Wind chill values between 2 and 9. North northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 27. Wind chill values between 2 and 12. North northwest wind 8 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a temperature rising to around 30 by 5am. South southwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Mostly cloudy, with a high near 38. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 14. West wind 14 to 17 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 10.
M.L.King Day
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 23.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
8:36 pm CST Jan 13, 2026
8pm CST Jan 13, 2026-6pm CST Jan 20, 2026


