National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 21, 2026 at 2:18:26 pm CDT

A slight drying trend will keep rain chances very low (10-20%) on Saturday and dry on Sunday before rain chances increase to be low to medium by midweek. Highs will remain in the upper 80s to lower 90s, with overnight lows in the upper 60s to lower 70s.

 
 
Location Sky/Weather Temp Dewpt RH Wind Baro Remarks
Huntsville
 
 
 
 
 
 
 
Muscle Shoals
 
 
 
 
 
 
 
Decatur
 
 
 
 
 
 
 
Meridianville
 
 
 
 
 
 
 
Vinemont
 
 
 
 
 
 
 
Albertville
 
 
 
 
 
 
 
Guntersville
 
 
 
 
 
 
 
Scottsboro
 
 
 
 
 
 
 
Fort Payne
 
 
 
 
 
 
 
Courtland
 
 
 
 
 
 
 
Winchester
 
 
 
 
 
 
 
Tullahoma
 
 
 
 
 
 
 
Fayetteville
 
 
 
 
 
 
 
Note: "N/A" or "MISG" will be displayed if values are not available. In the LOCATION column, click on links for a list of recent observations at sites of interest. In the WIND column, VRB is "variable" and G is "gust". Wind speeds are in MPH. In the BARO (pressure) column, values are in inches. In the REMARKS column, HX is "heat index", WCI is "wind chill index", and VSB is "visibility" (if shown).
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SITREP GRAPHICAL HWO DISCUSSION FIRE WX AVIATION WX HYDROLOGY
 
AIR QUALITY GRIDDED FORECAST FORECAST (HR) CLIMATE WEATHER STATS OBSERVATIONS
 
SATELLITE WX RADIOS   STORM SPOTTER TRAINING   PAST EVENTS GIS TORNADO HISTORY
Daily Climate for Middle Tennessee
EDUCATION AND OUTREACH BEING PREPARED ESTAR PREPARANDO