Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Decatur Airport (KDEC)

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

Fair

76°F

24°C

Humidity 67%
Wind Speed S 3 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Sep 7:54 pm CDT
Detailed forecast for

Moultrie County

Rest Of Tonight
Mostly clear. Not as cool with lows in the lower 70s. South winds 5 to 10 mph.
Wednesday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west in the afternoon. Chance of rain 20 percent. Heat index values up to 100.
Wednesday Night
Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.
Thursday
Showers likely, mainly in the morning. Not as warm with highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 70 percent.
Thursday Night
Partly cloudy in the evening, then clearing. Cooler with lows in the upper 50s. Northeast winds around 5 mph.
Friday And Friday Night
Mostly clear. Highs in the mid 80s. Lows in the lower 60s.
Saturday And Saturday Night
Partly cloudy. Highs in the upper 80s. Lows in the mid 60s.
Sunday
Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent.
Sunday Night
Partly cloudy with a 30 percent chance of showers. Lows in the mid 60s.
Monday
Mostly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 30 percent.
Monday Night And Tuesday
Partly cloudy. A chance of showers. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 40 percent.



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832 PM CDT Tue Sep 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database