Current conditions at

Decatur Airport (KDEC)

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

Fair

71°F

22°C

Humidity 68%
Wind Speed Calm
Barometer 30.10 in (1018.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 8:54 pm CDT
Detailed forecast for

Macon County

Rest Of Tonight
Mostly clear. Lows in the upper 50s. Northwest winds around 5 mph, becoming northeast.
Friday
Mostly sunny. Highs around 80. Northeast winds 5 to 10 mph.
Friday Night
Partly cloudy in the evening, then clearing. Lows in the lower 50s. East winds around 5 mph.
Saturday
Sunny. Highs in the upper 70s. East winds 5 to 10 mph.
Saturday Night
Partly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.
Sunday Through Labor Day
Mostly clear. Highs around 80. Lows in the mid 50s.
Monday Night Through Wednesday
Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Wednesday Night
Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower 50s. Chance of rain 30 percent.
Thursday
Mostly sunny. Cooler with highs in the upper 60s.



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936 PM CDT Thu Aug 28 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database