Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

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

Fair

89°F

32°C

Humidity 52%
Wind Speed SW 15 mph
Barometer 30.09 in (1018.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Sep 10:54 am CDT
Detailed forecast for

Christian County

Rest Of Today
Sunny. A chance of showers and thunderstorms this afternoon. Warmer with highs in the mid 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 104.
Tonight
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows around 70. Southeast winds around 5 mph, becoming northeast around 5 mph after midnight. Chance of rain 70 percent.
Wednesday
Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. East winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent. Heat index values up to 101 in the afternoon.
Wednesday Night
Partly cloudy. Humid with lows in the lower 70s. Southeast winds around 5 mph.
Thursday
Sunny with highs in the mid 90s. Southwest winds around 5 mph, becoming northwest in the afternoon. Heat index values up to 102.
Thursday Night Through Saturday
Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Saturday Night And Sunday
Mostly cloudy. A chance of showers. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 50 percent.
Sunday Night And Monday
Mostly cloudy. Lows in the upper 50s. Highs in the upper 70s.



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1052 AM CDT Tue Sep 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database