Current conditions at

Decatur Airport (KDEC)

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

Overcast

26°F

-3°C

Humidity 71%
Wind Speed SE 7 mph
Barometer 30.32 in (1027.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 7 Feb 11:54 pm CST
Detailed forecast for

Macon County

Rest Of Tonight
Mostly cloudy. Lows around 20. Southeast winds 10 to 15 mph.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. Southeast winds 5 to 10 mph.
Monday
Mostly sunny. Not as cool with highs in the upper 40s. South winds 5 to 10 mph.
Monday Night
Mostly clear and not as cool. Near steady temperature in the upper 30s. South winds 5 to 10 mph with gusts up to 20 mph.
Tuesday
Mostly sunny. Highs in the mid 50s.
Tuesday Night
Mostly cloudy with a 40 percent chance of rain. Lows around 30.
Wednesday And Wednesday Night
Mostly cloudy. Highs in the mid 40s. Lows in the upper 20s.
Thursday
Cloudy. A chance of rain in the afternoon. Highs around 40. Chance of rain 30 percent.
Thursday Night
Mostly cloudy. A chance of rain in the evening. Lows in the mid 20s. Chance of rain 30 percent.
Friday And Friday Night
Partly cloudy. Highs in the lower 40s. Lows in the mid 20s.
Saturday
Mostly sunny. A chance of snow in the morning, then a chance of rain in the afternoon. Highs in the upper 30s. Chance of precipitation 30 percent.



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1153 PM CST Sat Feb 7 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database