Current conditions at

Decatur Airport (KDEC)

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

Fair

23°F

-5°C

Humidity 88%
Wind Speed S 6 mph
Barometer 30.47 in (1032.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 6:54 pm CST
Detailed forecast for

Moultrie County

Tonight
Partly cloudy this evening, then clearing. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph. Gusts up to 25 mph after midnight.
Monday
Mostly sunny. Not as cool with highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph.
Tuesday
Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 50s. Southwest winds 15 to 20 mph.
Tuesday Night
Mostly cloudy. Lows in the mid 30s. West winds 10 to 15 mph.
Wednesday
Mostly cloudy. A chance of rain and snow in the afternoon. Cooler with highs around 40. Temperature falling into the lower 30s in the afternoon. Chance of precipitation 30 percent.
Wednesday Night
Mostly cloudy. Much cooler with lows around 15. Wind chill values as low as zero.
Thursday
Mostly sunny. Cooler with highs in the upper 20s. Wind chill values as low as zero in the morning.
Thursday Night Through Friday Night
Mostly cloudy. Lows in the lower 20s. Highs in the upper 30s.
Saturday And Saturday Night
Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as 5 below.
Sunday
Mostly sunny. Highs in the mid 20s. Wind chill values as low as 5 below in the morning.



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547 PM CST Sun Jan 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database