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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
72°F
22°C
| Humidity | 37% |
| Wind Speed | SE 8 mph |
| Barometer | 30.17 in (1021.7 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 3:54 pm CDT |
Extended Forecast for
Macon IL
Tonight
Low: 46 °F
Mostly Clear
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 43 °F
Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 51 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 77. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 47. North wind around 7 mph.
Monday
Sunny, with a high near 73. Northeast wind 5 to 7 mph.
Monday Night
Clear, with a low around 43. Northeast wind around 5 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 76. South wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 5 to 7 mph.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Macon IL
39.71°N 89.01°W (Elev. 699 ft)
39.71°N 89.01°W (Elev. 699 ft)
3:36 pm CDT Oct 3, 2026
4pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
Additional Resources
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