Texas, 2025

Heat in Texas, August 1, 2025

August 1, 2025 · NWS SHV · 11 events in 11 counties and zones

A weak cool front began to sink south into Northeast Texas and Southwest Arkansas during the day on August 1st, ahead of an upper level trough of low pressure that shifted southeast through the region. Compressional warming ahead of the front resulted in temperatures climbing into the mid and upper 90s across Lower East Texas and North Louisiana along and south of Interstate 20.

Where it happened

Every event with a place to put it; 11 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
11

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.

A weak cool front began to sink south into Northeast Texas and Southwest Arkansas during the day on August 1st, ahead of an upper level trough of low pressure that shifted southeast through the region. Compressional warming ahead of the front resulted in temperatures climbing into the mid and upper 90s across Lower East Texas and North Louisiana along and south of Interstate 20. Low level moisture pooling along the frontal zone did not allow for much mixing of the dewpoints during the afternoon, which when combined with these temperatures, resulted in heat indices ranging from 105-110 degrees.

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 1, 5:03 AM CST, 3 hours 57 minutes earlier. Its key messages:

  • Issued at 1120 PM CDT Wed Jul 30 2025
  • Scattered to numerous showers and thunderstorms are expected across much of the Four-State area on Friday and Friday night with slow movement along the cold front. Some of NE TX will have a Slight Excessive Risk Outlook through Friday evening and overnight.
  • High pressure behind the front to bring much cooler temperatures through Tuesday.
  • Could see a warming trend from midweek onward as the upper- ridge rebuilds.
Area forecast discussion, Aug 1, 5:03 AM CST, 3 hours 57 minutes before
Area Forecast Discussion
National Weather Service Shreveport LA
603 AM CDT Fri Aug 1 2025

...New AVIATION...

.KEY MESSAGES...
Issued at 1120 PM CDT Wed Jul 30 2025

 - Scattered to numerous showers and thunderstorms are expected
   across much of the Four-State area on Friday and Friday night
   with slow movement along the cold front. Some of NE TX will
   have a Slight Excessive Risk Outlook through Friday evening and
   overnight.

 - High pressure behind the front to bring much cooler
   temperatures through Tuesday.

 - Could see a warming trend from midweek onward as the upper-
   ridge rebuilds.

&&

.DISCUSSION...
Issued at 1050 PM CDT Thu Jul 31 2025

An upper-trough lingering across the region from Friday onward into
early next week to allow for an unsettled weather pattern across the
region with scattered to widespread afternoon showers and
thunderstorms each day. A cold front diving south across the region
to settle across the northern gulf coast on Friday afternoon
bringing some of the highest rain chances of the weekend, mainly
along and south of I-20. Increased diurnal mixing will result in
sufficient cloud cover and precipitation to keep most of the region
out of heat headline criteria, with post-frontal high temperatures
on Friday to range from the mid 80s to the mid 90s across most of
the region. On Saturday, high temperatures in the upper 80s can
be expected areawide.

Cold front moving across northeast Texas could tap into high
moisture laden air on Friday night potentially generating an MCV
from DFW eastward along the I-20 corridor. Locally heavy rainfall
may develop as far east as the Tyler/Longview area with 2-3 inch
rainfall totals possible over a short period of time.

Pattern to remain unchanged through Tuesday with a cooler airmass
remaining firmly established across the region limiting high
temperatures to the upper 80s to lower 90s with overnight lows in
the upper 60s to near 70. Additionally, the lingering upper-
trough across the region will continue to provide opportunities
for showers and thunderstorms through midweek. By Wednesday into
Thursday, upper-level ridging to build east bringing increased
subsidence which will allow for hot and dry conditions to return
to the ArkLaTex.

/05/

&&

.AVIATION...
(12Z TAFS)
Issued at 600 AM CDT Fri Aug 1 2025

For the 01/12Z TAF period, VFR conditions largely prevail early
this morning with an abundance of mid and upper level convective
debris clouds. The lone exception has been KTXK where some patchy
fog and low stratus has resulted in intermittent IFR/LIFR cigs.
Given the recent heavy rainfall there over the past 12 hours, did
maintain TEMPO conditions for the lower cigs/vsby through mid-late
morning. Otherwise, any additional fog or low stratus should be
rather isolated and mainly confined to areas north of I-20 through
mid to late morning with lesser coverage elsewhere. Beyond that,
expect another robust cu field to develop with daytime heating and
VCTS warranted by early to mid afternoon at nearly all terminals.
More focused convection may hold off until late in the period
from late this evening into early Saturday morning as a weak cool
front continues to sag slowly southward through our airspace. Lgt
and vrbl winds will generally prevail through much of the period
around 5 kts or less before trending more NEly with fropa.

/19/

&&

.SPOTTER INFORMATION STATEMENT...
Issued at 600 AM CDT Fri Aug 1 2025

Spotter activation may be needed this evening and overnight
tonight due to the threat of heavy rainfall and flooding, mainly
across parts of Northeast Texas.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  94  74  91  72 /  60  50  60  10
MLU  93  72  91  69 /  60  30  40  10
DEQ  87  69  89  65 /  70  30  30   0
TXK  90  71  91  67 /  60  40  30   0
ELD  88  69  89  65 /  60  30  30  10
TYR  96  72  89  72 /  60  60  60  10
GGG  96  72  89  71 /  60  60  70  10
LFK  96  74  92  73 /  60  60  80  30

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...None.
OK...None.
TX...None.
&&

DISCUSSION...05
AVIATION...19

The radar

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

Open the radar archive at this moment

Event by event

11 heat. Local standard time, as filed.

Heat, Harrison

When
August 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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 1, 9:00 AM CST to 5:00 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: 1284433, 1284434, 1284436, 1284437, 1284440, 1284443, 1284445, 1284446, 1284447, 1284449, 1284451.