Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

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

Rain Fog/Mist

45°F

7°C

Humidity 86%
Wind Speed E 10 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 41°F (5°C)
Visibility 4.00 mi
Wind Chill40°F (4°C)
Last update 18 Nov 5:54 am CST
Detailed forecast for

Macon County

Today
Mostly cloudy with a slight chance of thunderstorms. A chance of rain, mainly this morning. Highs in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming east 5 to 10 mph this afternoon. Chance of rain 30 percent.
Tonight
Mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.
Wednesday
Mostly cloudy. Highs in the mid 50s. Northeast winds around 5 mph.
Wednesday Night
Mostly cloudy. Lows in the lower 40s. Southeast winds around 5 mph.
Thursday
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the upper 50s. South winds 5 to 10 mph. Chance of rain 60 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s.
Friday
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 50s. Chance of rain 60 percent.
Friday Night
Mostly cloudy. A chance of rain in the evening. Lows in the mid 30s. Chance of rain 50 percent.
Saturday
Mostly sunny. Highs in the lower 50s.
Saturday Night Through Sunday Night
Mostly clear. Lows in the upper 30s. Highs in the mid 50s.
Monday
Mostly sunny. Highs in the upper 50s.



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637 AM CST Tue Nov 18 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database