Current conditions at

Decatur Airport (KDEC)

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

Overcast

65°F

18°C

Humidity 90%
Wind Speed S 7 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Jul 5:54 am CDT
Detailed forecast for

Moultrie County

Today
Mostly cloudy with a 50 percent chance of showers. Highs around 80. South winds 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. South winds around 5 mph.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. Warmer with highs around 90. South winds around 5 mph. Heat index values up to 102.
Sunday Night
Partly cloudy. Humid with lows in the lower 70s. South winds 5 to 10 mph.
Monday
Mostly sunny. Hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108.
Monday Night And Tuesday
Mostly clear. Lows in the mid 70s. Highs around 90.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Sunny. Highs in the upper 80s.
Wednesday Night And Thursday
Mostly clear. Lows in the mid 60s. Highs in the upper 80s.
Thursday Night And Friday
Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.



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413 AM CDT Sat Jul 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database