NWS Memphis TNXH.W 0002July 20, 2026
Extreme Heat Warning: DeSoto, Marshall, Benton and 17 more, MS and TN
The National Weather Service office in Memphis issued an extreme heat warning for DeSoto, Marshall, Benton and 17 more in Mississippi, Tennessee, which was in force until 9:00 p.m. local time on July 21. It was the 2nd extreme heat warning the NWS office in Memphis issued in 2026. Mississippi had 12 extreme heat warnings in July 2026, against 4 in an average July of 2008-2025 (Mississippi's extreme heat warnings by year).
ExpiredWarning
In force for 23.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Memphis TN
- Area
- DeSoto, Marshall, Benton and 17 more
- State
- Mississippi
- Level
- Warning
- Issued
- 9:56 p.m. CDT, July 20, 2026
- Expires
- 9:00 p.m. CDT, July 21, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KMEG XH.W 0002
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Portions of North Mississippi and West Tennessee. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
What the agency told people to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.