Excessive Heat in Texas, July 17 to 20, 2023

July 17 to 20, 2023 · NWS FWD · 28 events in 28 counties and zones

A strong high pressure ridge aloft contributed to another round of excessive heat across much of North and Central Texas July 17th through the 20th.

Where it happened

Every event with a place to put it; 28 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths: 2
Injuries: 17
Property damage: None recorded
Crop damage: None recorded
Events: 28

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS FWD wrote it up.

A strong high pressure ridge aloft contributed to another round of excessive heat across much of North and Central Texas July 17th through the 20th.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

28 excessive heat. Local standard time, as filed.

Excessive Heat, Montague

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Montague forecast zone
Reported by: Official NWS Observations
Coordinates: 33.676, -97.725 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Cooke

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Cooke forecast zone
Reported by: Official NWS Observations
Coordinates: 33.639, -97.213 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Denton

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Denton forecast zone
Injuries: 17 direct, 0 indirect
Reported by: Official NWS Observations
Coordinates: 33.205, -97.117 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater. During these days, Denton County Public Health reported 2 cases of heat stroke, 7 cases of heat exhaustion, and 8 other cases of other heat-related illnesses.

Excessive Heat, Young

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Young forecast zone
Reported by: Official NWS Observations
Coordinates: 33.177, -98.688 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Jack

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Jack forecast zone
Reported by: Official NWS Observations
Coordinates: 33.234, -98.172 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Wise

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Wise forecast zone
Reported by: Official NWS Observations
Coordinates: 33.216, -97.654 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Stephens

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Stephens forecast zone
Reported by: Official NWS Observations
Coordinates: 32.736, -98.836 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Palo Pinto

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Palo Pinto forecast zone
Reported by: Official NWS Observations
Coordinates: 32.753, -98.313 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Parker

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Parker forecast zone
Reported by: Official NWS Observations
Coordinates: 32.778, -97.805 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Tarrant

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Tarrant forecast zone
Deaths: 1 direct, 1 indirect
Reported by: Official NWS Observations
Coordinates: 32.772, -97.291 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater. The Tarrant County Medical Examiner's Office attributed 2 deaths during this period to Hyperthermia.

Excessive Heat, Dallas

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Dallas forecast zone
Reported by: Official NWS Observations
Coordinates: 32.767, -96.778 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Eastland

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Eastland forecast zone
Reported by: Official NWS Observations
Coordinates: 32.327, -98.832 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Erath

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Erath forecast zone
Reported by: Official NWS Observations
Coordinates: 32.236, -98.218 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Hood

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Hood forecast zone
Reported by: Official NWS Observations
Coordinates: 32.430, -97.832 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Somervell

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Somervell forecast zone
Reported by: Official NWS Observations
Coordinates: 32.222, -97.774 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Johnson

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Johnson forecast zone
Reported by: Official NWS Observations
Coordinates: 32.379, -97.366 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Ellis

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Ellis forecast zone
Reported by: Official NWS Observations
Coordinates: 32.348, -96.794 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Comanche

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Comanche forecast zone
Reported by: Official NWS Observations
Coordinates: 31.948, -98.558 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Mills

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Mills forecast zone
Reported by: Official NWS Observations
Coordinates: 31.495, -98.595 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Hamilton

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Hamilton forecast zone
Reported by: Official NWS Observations
Coordinates: 31.705, -98.111 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Bosque

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Bosque forecast zone
Reported by: Official NWS Observations
Coordinates: 31.900, -97.634 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Hill

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Hill forecast zone
Reported by: Official NWS Observations
Coordinates: 31.991, -97.132 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Lampasas

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Lampasas forecast zone
Reported by: Official NWS Observations
Coordinates: 31.196, -98.241 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Coryell

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Coryell forecast zone
Reported by: Official NWS Observations
Coordinates: 31.391, -97.799 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Bell

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Bell forecast zone
Reported by: Official NWS Observations
Coordinates: 31.038, -97.478 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, McLennan

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: McLennan forecast zone
Reported by: Official NWS Observations
Coordinates: 31.552, -97.202 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Falls

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Falls forecast zone
Reported by: Official NWS Observations
Coordinates: 31.253, -96.936 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

Excessive Heat, Milam

When: July 17, 1:00 PM CST to July 20, 7:00 PM CST
Where: Milam forecast zone
Reported by: Official NWS Observations
Coordinates: 30.786, -96.977 (the zone’s center; the record gives no point)

Another round of excessive heat affected the region, creating high temperatures of 105 or greater along with heat indices of 110 or greater.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

Event	Date	Age	Sex	Where	Kind
Excessive Heat, Tarrant	2023-07-17	77	Female	Unknown	Direct
Excessive Heat, Tarrant	2023-07-18	37	Male	Unknown	Indirect

What these are

Excessive Heat: Heat at or above the local excessive heat warning criteria, or heat that caused deaths.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Texas in 2023 Every state in 2023 This day in weather history Warnings in Texas, July 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1124591, 1124592, 1124593, 1124594, 1124595, 1124596, 1124597, 1124598, 1124599, 1124600, 1124601, 1124602, 1124603, 1124604, 1124605, 1124606, 1124607, 1124608, 1124609, 1124610, 1124611, 1124612, 1124613, 1124614, 1124615, 1124616, 1124617, 1124618.