Current conditions at

Decatur Airport (KDEC)

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

Heavy Rain Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed NE 8 mph
Barometer 29.91 in (1013.1 mb)
Dewpoint 49°F (9°C)
Visibility 3.00 mi
Wind Chill47°F (8°C)
Last update 21 Nov 4:54 pm CST
Detailed forecast for

Macon County

Tonight
Mostly cloudy. Patchy fog this evening. Rain likely, mainly this evening. Cooler with lows in the upper 30s. North winds 5 to 10 mph. Chance of rain 70 percent.
Saturday
Sunny. Highs in the mid 50s. North winds around 5 mph, becoming west in the afternoon.
Saturday Night
Mostly clear. Lows in the mid 30s. West winds 5 to 10 mph.
Sunday
Sunny. Highs in the upper 50s. West winds around 5 mph.
Sunday Night
Mostly clear in the evening, then becoming mostly cloudy. Lows in the upper 30s. Southeast winds around 5 mph.
Monday
Mostly cloudy. Rain likely in the afternoon. Highs in the mid 50s. Chance of rain 60 percent.
Monday Night
Rain. Near steady temperature in the upper 40s. Chance of rain 90 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of rain. Highs in the upper 50s.
Tuesday Night And Wednesday
Partly cloudy. Lows in the lower 30s. Highs in the mid 40s.
Wednesday Night And Thanksgiving Day
Partly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Thursday Night
Mostly cloudy. Lows in the mid 20s.
Friday
Mostly sunny. Highs in the upper 30s.



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512 PM CST Fri Nov 21 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database