Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
68°F
20°C
| Humidity | 65% |
| Wind Speed | SE 6 mph |
| Barometer | 29.91 in (1012.7 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 26 Sep 7:54 pm CDT |
Extended Forecast for
Macon IL
Tonight
Low: 54 °F
Clear
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 57 °F
Clear
Monday
High: 88 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 54. Calm wind.
Saturday
Sunny, with a high near 85. Light and variable wind.
Saturday Night
Clear, with a low around 55. Light and variable wind.
Sunday
Sunny, with a high near 86. Light and variable wind.
Sunday Night
Clear, with a low around 57. Calm wind.
Monday
Sunny, with a high near 88. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. East northeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 81.
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)
7:40 pm CDT Sep 26, 2025
8pm CDT Sep 26, 2025-6pm CDT Oct 3, 2025
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