Current conditions at

Decatur Airport (KDEC)

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

Thunderstorm in Vicinity

74°F

23°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 18 Jul 9:54 pm CDT
Detailed forecast for

Moultrie County

Rest Of Tonight
Mostly cloudy with showers and thunderstorms likely late this evening, then partly cloudy with a chance of showers and thunderstorms. Lows around 70. Northwest winds around 5 mph, becoming northeast. Chance of rain 70 percent.
Sunday
Mostly sunny. Areas of smoke in the morning, then patchy smoke in the afternoon. Highs in the mid 80s. Northeast winds 5 to 10 mph.
Sunday Night
Partly cloudy in the evening, then becoming mostly clear. Patchy smoke. Lows in the mid 60s. East winds around 5 mph.
Monday
Patchy smoke in the morning. Sunny. Highs in the upper 80s. Southeast winds around 5 mph, becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday
Sunny. Highs around 90.
Tuesday Night
Clear. Lows in the mid 60s.
Wednesday Through Thursday
Mostly clear. Highs around 80. Lows in the upper 50s.
Thursday Night Through Saturday
Partly cloudy. Lows in the lower 60s. Highs in the mid 80s.



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1037 PM CDT Sat Jul 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database