News Headlines
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
40°F
4°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.39 in (1029.5 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 12:54 am CDT |
Extended Forecast for
Macon IL
Overnight
Low: 38 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 38. Light south southeast wind.
Monday
Sunny, with a high near 72. Light south southeast wind.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind.
Wednesday Night
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Macon IL
39.71°N 88.98°W (Elev. 699 ft)
39.71°N 88.98°W (Elev. 699 ft)
12:31 am CDT Oct 19, 2026
1am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
