Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

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

Fair

72°F

22°C

Humidity 94%
Wind Speed W 6 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 8 Aug 2:54 am CDT
Detailed forecast for

Macon County

Rest Of Tonight
Partly cloudy. Near steady temperature in the lower 70s. Southwest winds around 5 mph.
Saturday
Sunny with highs in the mid 80s. West winds 5 to 10 mph.
Saturday Night
Mostly clear. Lows in the upper 60s. North winds around 5 mph, becoming southeast around 5 mph after midnight.
Sunday
Mostly sunny. Humid with highs in the upper 80s. South winds 10 to 15 mph.
Sunday Night
Partly cloudy. Humid with lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Monday
Mostly sunny. Highs around 90. Heat index values up to 100 in the afternoon.
Monday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 30 percent.
Tuesday
Mostly sunny. Highs in the upper 80s.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 60 percent.
Wednesday
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Thursday
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
Thursday Night And Friday
Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs in the upper 70s. Chance of rain 50 percent.



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128 AM CDT Sat Aug 8 2026
 
 

Additional Resources

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