Current conditions at

Decatur Airport (KDEC)

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

Fair

84°F

29°C

Humidity 43%
Wind Speed NE 7 G 22 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Sep 12:54 pm CDT
Detailed forecast for

Macon County

This Afternoon
Sunny. Near steady temperature in the mid 80s. Northeast winds around 10 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Wednesday
Partly sunny. Highs in the mid 80s. East winds around 5 mph.
Wednesday Night
Mostly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.
Thursday
Partly sunny in the morning, then clearing. Highs in the upper 80s. Southeast winds around 5 mph.
Thursday Night Through Friday Night
Mostly clear. Lows in the lower 60s. Highs in the upper 80s.
Saturday Through Sunday
Clear. Highs in the upper 80s. Lows in the upper 50s.
Sunday Night And Monday
Mostly clear. Lows in the lower 60s. Highs in the mid 80s.



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136 PM CDT Tue Sep 30 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database