Current conditions at

Decatur Airport (KDEC)

Lat: 39.83° N Lon: 88.87° W Elev: 670 ft.

Fair

77°F

25°C

Humidity 33%
Wind Speed NA
Barometer 30.05 in (1017.2 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 25 May 6:54 pm CDT
Detailed forecast for

Macon County

Tonight
Partly cloudy this evening, then becoming mostly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.
Tuesday
Partly sunny in the morning, then becoming mostly cloudy. Highs around 80. East winds 5 to 10 mph.
Tuesday Night
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 20 percent.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs around 80. East winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Thursday And Thursday Night
Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.
Friday And Friday Night
Mostly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Saturday And Saturday Night
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Sunday Through Monday
Mostly clear. Highs in the upper 70s. Lows in the mid 50s.



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712 PM CDT Mon May 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database