Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

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

Fair

61°F

16°C

Humidity 43%
Wind Speed S 12 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 29 Mar 8:54 pm CDT
Detailed forecast for

Macon County

Tonight
Mostly cloudy. Not as cool with lows in the mid 50s. South winds around 15 mph with gusts up to 25 mph.
Monday
Mostly sunny. Not as cool with highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Monday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph.
Tuesday
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Windy with highs in the lower 80s. Southwest winds 20 to 30 mph with gusts up to 40 mph. Chance of rain 50 percent.
Tuesday Night
Thunderstorms likely in the evening. Showers, cooler with lows in the upper 40s. Southwest winds 15 to 20 mph, becoming north after midnight. Chance of rain 90 percent.
Wednesday
Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Much cooler with highs in the upper 50s. Chance of rain 70 percent.
Wednesday Night
A chance of thunderstorms in the evening. Showers. Lows in the mid 40s. Chance of rain 90 percent.
Thursday
Showers. Highs in the mid 60s. Chance of rain 90 percent.
Thursday Night
Showers likely, mainly in the evening. Lows in the mid 40s. Chance of rain 70 percent.
Friday And Friday Night
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 60s. Lows in the lower 50s.
Saturday And Saturday Night
Showers likely. Highs in the upper 60s. Lows in the mid 40s. Chance of rain 70 percent.
Sunday
Partly sunny. A chance of showers in the morning. Breezy, cooler with highs in the upper 50s. Chance of rain 50 percent.



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552 PM CDT Sun Mar 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database