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Current conditions at

Decatur Airport (KDEC)

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

Fair

58°F

14°C

Humidity 70%
Wind Speed SW 8 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 7:54 am CDT
Detailed forecast for

Macon County

Today
Sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west this afternoon.
Tonight
Clear. Lows in the lower 50s. Northwest winds 5 to 10 mph.
Thursday
Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Northeast winds around 5 mph.
Friday
Sunny. Highs in the lower 80s. Southeast winds 10 to 15 mph.
Friday Night
Clear. Lows in the upper 50s.
Saturday
Sunny. Highs in the mid 80s.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.
Sunday
Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 40 percent.
Sunday Night And Columbus Day
Partly cloudy. Lows in the mid 50s. Highs in the lower 80s.
Monday Night And Tuesday
Mostly clear. Lows in the upper 50s. Highs in the upper 70s.



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442 AM CDT Wed Oct 7 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database