Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

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

Fair

20°F

-7°C

Humidity 74%
Wind Speed N 14 mph
Barometer 30.30 in (1027.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 4 Dec 2:54 am CST
Detailed forecast for

Macon County

Rest Of Tonight
Mostly cloudy. Much cooler with lows around 5 above. North winds 10 to 15 mph. Wind chill values as low as 1 below.
Thursday
Mostly sunny. Much cooler with highs around 16. North winds 5 to 10 mph. Wind chill values as low as 9 below in the morning.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 2 above. Southeast winds around 5 mph.
Friday
Mostly sunny. Not as cool with highs in the lower 30s. South winds 5 to 10 mph. Wind chill values as low as 4 below in the morning.
Friday Night
Mostly cloudy and not as cool. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph.
Saturday Through Sunday
Mostly cloudy. Highs in the upper 20s. Lows around 20.
Sunday Night And Monday
Mostly cloudy. Lows around 10 above. Highs in the mid 20s. Wind chill values as low as zero.
Monday Night And Tuesday
Mostly cloudy. Lows 15 to 20. Highs in the mid 30s.
Tuesday Night
Mostly cloudy. Lows in the mid 20s. Temperature rising into the lower 30s after midnight.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. A 30 percent chance of rain. Highs in the upper 30s.



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237 AM CST Thu Dec 4 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database