Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
67°F
19°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.12 in (1019.6 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 9:54 pm CDT |
Extended Forecast for
Macon IL
Tonight
Low: 63 °F
Partly Cloudy
Tuesday
High: 82 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 66 °F
Chance
T-storms then
Mostly ClearWednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 63. East wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 82. East wind 3 to 6 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. Light east wind.
Wednesday
Mostly sunny, with a high near 85. Light southeast wind.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 87. South southeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 67. South southeast wind around 5 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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)
9:41 pm CDT Aug 4, 2025
10pm CDT Aug 4, 2025-6pm CDT Aug 11, 2025
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