Texas, 2025

Heat in Texas, August 8 to 9, 2025

August 8 to 9, 2025 · NWS SHV · 21 events in 21 counties and zones

An upper level ridge of high pressure was centered over much of Texas on August 8th-9th, with increased subsidence beneath the ridge allowing temperatures across East Texas, Southeast Oklahoma, extreme Southwest Arkansas, and Northwest Louisiana to climb into the upper 90s to in excess of 100 degrees. A light southerly wind on the backside of surface high pressure over the Lower Mississippi…

Where it happened

Every event with a place to put it; 21 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
21

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 SHV wrote it up.

An upper level ridge of high pressure was centered over much of Texas on August 8th-9th, with increased subsidence beneath the ridge allowing temperatures across East Texas, Southeast Oklahoma, extreme Southwest Arkansas, and Northwest Louisiana to climb into the upper 90s to in excess of 100 degrees. A light southerly wind on the backside of surface high pressure over the Lower Mississippi Valley maintained ample low level moisture and limited the extent of mixing, resulting in heat indices ranging from 105-110 degrees across the aforementioned areas.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before the first event at Aug 8, 5:15 AM CST, 4 hours 45 minutes earlier. Its key messages:

  • Issued at 1112 CDT Thu Aug 7 2025
  • Temperatures will remain in the mid to upper 90s through Friday with slightly cooler temperatures late in the weekend into early next week.
  • A Heat Advisory has been issued for much of east Texas, northwest Louisiana, southeast Oklahoma and southwest Arkansas for Friday
  • Dry conditions will remain in place for the majority of the region through next week, with minimal 7-day QPF totals
Area forecast discussion, Aug 8, 5:15 AM CST, 4 hours 45 minutes before
Area Forecast Discussion
National Weather Service Shreveport LA
615 AM CDT Fri Aug 8 2025

...New AVIATION...

.KEY MESSAGES...
Issued at 1112 CDT Thu Aug 7 2025

 - Temperatures will remain in the mid to upper 90s through
   Friday with slightly cooler temperatures late in the weekend
   into early next week.

 - A Heat Advisory has been issued for much of east Texas,
   northwest Louisiana, southeast Oklahoma and southwest Arkansas
   for Friday

 - Dry conditions will remain in place for the majority of the
   region through next week, with minimal 7-day QPF totals

&&

.DISCUSSION...
Issued at 1055 PM CDT Thu Aug 7 2025

An upper-level ridge to remain anchored across Texas through
Friday allowing for subsident northerly flow to drive afternoon
high temperatures into the upper 90s to near 100 degrees. At the
surface, high pressure to the east will allow for weak southerly
flow which will contribute to gradually increasing dewpoint
values. The combination of highs near 100 and dewpoint values in
the lower 70s will allow for heat index values to exceed 105
degrees on Friday afternoon across east and northeast Texas,
southeast Oklahoma, and portions of northwest Louisiana and
southwest Arkansas. Thus, a Heat Advisory remains in effect
across these areas for Friday.

An inverted upper-trough extending from the north-central gulf
into the southeastern CONUS will retrograde west across the
ArkLaTex on Saturday. Instability associated with the trough will
allow for slightly cooler temperatures in the mid 90s across
Louisiana and Arkansas, with highs continuing in the upper 90s
across Texas and Oklahoma which will remain under the influence
of the eastern periphery ridge. Additionally, could see a few
diurnally driven showers across north Louisiana on Saturday due to
instability associated with the upper-level trough.

The trough is forecast to retrograde west into central and south
Texas, possibly deepening into a closed low on Sunday. The trough
will then linger across Texas through most of the workweek.
Instability associated with the trough will result in sufficient
mixing to limit afternoon highs to the low to mid 90s. Otherwise,
scattered afternoon showers and thunderstorms will be possible
each day next week across mainly Deep East Texas into north
Louisiana and south Arkansas. /05/

&&

.AVIATION...
(12Z TAFS)
Issued at 614 AM CDT Fri Aug 8 2025

VFR conditions are forecast to prevail across all our terminal
locations through the next 24 hours. Persistence is the best
aviation weather forecast tool and that will consist of a growing
cu field across our airspace beginning around 15z. While a few
ceilings will be possible in the 4-6kt height by late morning
through the early afternoon, these heights will remain above
critical VFR thresholds. This cu field will dissipate quickly
after 23z this evening. Look for light SSW to SE winds today with
speeds generally near or under 10kts.

13

&&

.SPOTTER INFORMATION STATEMENT...
Issued at 1055 PM CDT Thu Aug 7 2025

Spotter activation is not expected at this time.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  99  78  97  76 /   0   0  10   0
MLU  97  74  96  74 /  10  10  10   0
DEQ  99  74  97  73 /   0   0   0   0
TXK 101  77  99  75 /   0   0   0   0
ELD  98  74  96  72 /   0   0  10   0
TYR  98  76  97  74 /   0   0   0   0
GGG  98  75  96  74 /   0   0  10   0
LFK  97  75  96  74 /  10   0  20   0

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...Heat Advisory from 11 AM this morning to 7 PM CDT this evening
     for ARZ050-051-059-060-070-071.

LA...Heat Advisory from 11 AM this morning to 7 PM CDT this evening
     for LAZ001-002-010-017.

OK...Heat Advisory from 11 AM this morning to 7 PM CDT this evening
     for OKZ077.

TX...Heat Advisory from 11 AM this morning to 7 PM CDT this evening
     for TXZ096-097-108>112-124>126-136>138-149>153-165>167.

&&

DISCUSSION...05
AVIATION...13

The radar

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

Open the radar archive at this moment

Event by event

21 heat. Local standard time, as filed.

Heat, Red River

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Red River forecast zone
Reported by
ASOS
Coordinates
33.621, -95.050 (the zone’s center; the record gives no point)

Heat, Bowie

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Bowie forecast zone
Reported by
ASOS
Coordinates
33.446, -94.423 (the zone’s center; the record gives no point)

Heat, Cass

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Cass forecast zone
Reported by
ASOS
Coordinates
33.078, -94.344 (the zone’s center; the record gives no point)

Heat, Morris

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Morris forecast zone
Reported by
ASOS
Coordinates
33.114, -94.733 (the zone’s center; the record gives no point)

Heat, Titus

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Titus forecast zone
Reported by
ASOS
Coordinates
33.217, -94.966 (the zone’s center; the record gives no point)

Heat, Camp

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Camp forecast zone
Reported by
ASOS
Coordinates
32.973, -94.978 (the zone’s center; the record gives no point)

Heat, Franklin

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Franklin forecast zone
Reported by
ASOS
Coordinates
33.176, -95.218 (the zone’s center; the record gives no point)

Heat, Wood

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Wood forecast zone
Reported by
ASOS
Coordinates
32.786, -95.382 (the zone’s center; the record gives no point)

Heat, Upshur

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Upshur forecast zone
Reported by
ASOS
Coordinates
32.736, -94.941 (the zone’s center; the record gives no point)

Heat, Marion

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Marion forecast zone
Reported by
ASOS
Coordinates
32.798, -94.357 (the zone’s center; the record gives no point)

Heat, Harrison

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Harrison forecast zone
Reported by
ASOS
Coordinates
32.548, -94.371 (the zone’s center; the record gives no point)

Heat, Gregg

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Gregg forecast zone
Reported by
ASOS
Coordinates
32.481, -94.817 (the zone’s center; the record gives no point)

Heat, Smith

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Smith forecast zone
Reported by
ASOS
Coordinates
32.375, -95.269 (the zone’s center; the record gives no point)

Heat, Cherokee

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Cherokee forecast zone
Reported by
ASOS
Coordinates
31.837, -95.165 (the zone’s center; the record gives no point)

Heat, Rusk

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Rusk forecast zone
Reported by
ASOS
Coordinates
32.108, -94.762 (the zone’s center; the record gives no point)

Heat, Panola

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Panola forecast zone
Reported by
ASOS
Coordinates
32.162, -94.306 (the zone’s center; the record gives no point)

Heat, Shelby

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Shelby forecast zone
Reported by
ASOS
Coordinates
31.792, -94.145 (the zone’s center; the record gives no point)

Heat, Nacogdoches

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Nacogdoches forecast zone
Reported by
ASOS
Coordinates
31.616, -94.616 (the zone’s center; the record gives no point)

Heat, Angelina

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Angelina forecast zone
Reported by
ASOS
Coordinates
31.255, -94.612 (the zone’s center; the record gives no point)

Heat, San Augustine

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
San Augustine forecast zone
Reported by
ASOS
Coordinates
31.394, -94.168 (the zone’s center; the record gives no point)

Heat, Sabine

When
August 8, 10:00 AM CST to August 9, 6:00 PM CST
Where
Sabine forecast zone
Reported by
ASOS
Coordinates
31.343, -93.852 (the zone’s center; the record gives no point)

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

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

The same day elsewhere

More

Every storm in Texas in 2025Every state in 2025This day in weather historyWarnings in Texas, August 2025

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 2026-09-24. Each event’s entry at NCEI: 1284502, 1284503, 1284504, 1284505, 1284506, 1284507, 1284508, 1284509, 1284510, 1284511, 1284512, 1284513, 1284514, 1284515, 1284516, 1284517, 1284518, 1284519, 1284520, 1284521, 1284522.