Alert archive / Arizona / Flash Flood Warnings in 2026

Flash Flood Warning 95, NWS Tucson, AZ

August 4, 2026Cochise County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 4, 2026, 7:57 PM MST for Cochise County, Arizona. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 4, 2026, 7:57 PM MST (02:57 UTC)
Expired: Aug 4, 2026, 10:51 PM MST
In force: 3 hr
Issued by: NWS Tucson, AZ
Area: Storm-based polygon
Flood severity: None

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 120 km from the middle of the area, began a volume at 03:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Aug 4, 8:50 PM MST	FLASH FLOOD	4 Nne Pirtleville, AZ	Road closed due to flooding between Leslie Canyon Rd and Seville Blvd in Douglas.
Aug 4, 8:50 PM MST	FLASH FLOOD	4 Nne Pirtleville, AZ	Road closed due to flooding between Leslie Canyon Rd to Guadalajura Rd in Douglas.
Aug 4, 8:50 PM MST	FLASH FLOOD	5 Nne Pirtleville, AZ	Road closed due to flooding between Leslie Canyon and N Vista del Cerro Dr in Doulgas.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this flash flood warning; the first came 53 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 00:00Z, 3.0 hours before the alert went out and 267 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 332 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 3609 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

778 
WGUS55 KTWC 050257
FFWTWC
AZC003-050600-
/O.NEW.KTWC.FF.W.0095.260805T0257Z-260805T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
757 PM MST Tue Aug 4 2026

The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
  South Central Cochise County in southeastern Arizona...

* Until 1100 PM MST.

* At 757 PM MST, Doppler radar indicated thunderstorms producing
  heavy rain focused on locales just north to northeast of the city
  of Douglas. Between 1 and 1.5 inches of rain have fallen.
  Additional rainfall amounts up to 0.75 inch are possible in the
  warned area. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flash flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other poor
           drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Douglas, Bisbee-Douglas Airport and Pirtleville.

This includes the following highways...
Route 80 between mile markers 365 and 385. Route 191 between mile
markers 1 and 18.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3133 10949 3138 10968 3159 10970 3166 10938
      3152 10936 3143 10935 3133 10938

FLASH FLOOD...RADAR INDICATED

$$

GEL

2 follow-up statements

699 
WGUS75 KTWC 050401
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
901 PM MST Tue Aug 4 2026

AZC003-050600-
/O.CON.KTWC.FF.W.0095.000000T0000Z-260805T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cochise AZ-
901 PM MST Tue Aug 4 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING
FOR SOUTH CENTRAL COCHISE COUNTY...

At 901 PM MST, Doppler radar indicated thunderstorms that produced
heavy rain on locales just north to northeast of the city of Douglas
has diminished in intensity. Between 1 and 1.5 inches of rain have
fallen. Only light additional rainfall is expected. Flash flooding is
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Douglas, Bisbee-Douglas Airport and Pirtleville.

This includes the following highways...
Route 80 between mile markers 366 and 385. Route 191 between mile
markers 1 and 18.

This includes the following streams and drainages...
  Big Bend Creek, Leslie Creek, Danger Wash, Silver Creek and
  Whitewater Draw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3133 10949 3138 10968 3159 10970 3166 10938
      3152 10936 3143 10935 3133 10938

FLASH FLOOD...RADAR INDICATED

$$

GEL

177 
WGUS75 KTWC 050551
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
1051 PM MST Tue Aug 4 2026

AZC003-050601-
/O.CAN.KTWC.FF.W.0095.000000T0000Z-260805T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cochise AZ-
1051 PM MST Tue Aug 4 2026

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL COCHISE
COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 3133 10949 3138 10968 3159 10970 3166 10938
      3152 10936 3143 10935 3133 10938

$$

EDWARDS

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 4, 1:32 PM MST, 6 hours 25 minutes earlier.

Area forecast discussion, Aug 4, 1:32 PM MST, 6 hours 25 minutes before

Area Forecast Discussion
National Weather Service Tucson AZ
132 PM MST Tue Aug 4 2026

.SYNOPSIS...Chances for thunderstorms will develop each
afternoon and evening this week with day to day variability.
Thunderstorms may produce severe outflow winds with areas of
blowing dust, as well as locally heavy rainfall with a flash
flooding risk. High temperatures will remain a few degrees above
normal through the weekend.

&&

.DISCUSSION...The atmosphere is primed for another day of scattered
strong to severe thunderstorms this afternoon and evening. An
elongated ridge is in place with modest mid-level flow of 20-30
kts at 500 mb. This will lead to 0-6 km shear of 25-35 kts with
CAPE values 1000-1800 J/kg and seasonal PWAT values. Hi-res
guidance shows initial development over the White Mountains and
Sky Islands east of Tucson by mid-afternoon. Current satellite
shows cumulus development over northern Greenlee County. Storms
then progress westward into the lower elevations of Santa Cruz,
Cochise, and eastern Pima Counties late afternoon into the
evening. Tucson will likely be the northern extent of storm
coverage. Heavy rainfall will be a threat in Cochise and Santa
Cruz Counties with HREF one inch in one hour probabilities
within 25 km of a point 20-50 percent between 4PM - 10PM. Areas
that received heavy rain yesterday will also be more likely to
see runoff and flash flooding. Because of this a Flood Watch is
in effect for these areas from 3 PM - 11 PM. With the
aforementioned shear some storms could be rotating, which could
lead to an isolated hail threat and a more widespread severe
wind threat. Model soundings also show a nose of dry air around
400 mb which would act to enhance downdrafts through
entrainment. Because of all of these factors some storms may be
capable of wind gusts 70-80 mph. There is also a small tornado
threat as well with 0-3 km helicity values 150-250 m^2/s^2. The
best environment for a tornado looks to be along the
international border and over Sonora, but confidence is low in
any tornado developing.

Overnight activity looks limited with just some showers over
Graham and Pinal Counties after midnight. This should allow the
atmosphere to reset and be ready for another round of scattered
thunderstorms Wednesday afternoon and evening. Mid-level winds
decreases slightly compared to today with 500 mb winds 15-20
kts leading to 0-6 km shear generally 20-30 kts. Plenty of
instability will be in place along with seasonable PWAT values.
This will lead to a threat of strong to severe winds gusts from
Tucson south and eastward. Locally heavy rainfall leading to
flash flooding will also be a threat with HREF 1 inch in 1 hr
probabilities 30-60 percent south and east of Tucson and 30
percent between Sells and Three Points. Past rainfall from today
and Monday will lead to easier runoff in Cochise and Santa Cruz
Counties with area washes and rivers seeing faster responses
from rainfall.

Looking ahead through the weekend expect daily afternoon and
evening thunderstorms from central Pima County eastward with
typical monsoon threats of isolated severe winds and heavy
rainfall leading to flash flooding. Areas that receive repeat
heavy rainfall each day will be especially susceptible to flash
flooding. The most likely areas where this will happen will be
Santa Cruz and Cochise Counties. There will likely be some day
to day variability. Right now Saturday stands out as a day that
could see enhanced storm coverage and strength due to 500 mb
winds increasing to 25-30 kts. Medium confidence in winds being
this strong even though its a few days out with ensemble
probabilities for winds greater than 20 kts at 500 mb 40-60
percent Saturday.

High temperatures will be 2-7 degrees above normal through the
weekend.

&&

.AVIATION...Valid through 06/00Z.
Scattered thunderstorms expected to develop this afternoon
mainly between 04/22Z to 05/05Z with lingering isolated activity
through 05/07Z. Coverage around KTUS more likely 05/03Z-05/05Z
and KOLS/KDUG 05/00Z-05/06Z. Gusty erratic winds of 35-50 kts
possible with any thunderstorm. Cigs will be BKN 8k-12k ft AGL
this afternoon and evening, slowly dissipating overnight. Expect
another round of TSRA Wednesday afternoon and evening. Outside
of storms SFC winds WLY/NWLY at 8-12 kts with occasional
afternoon gusts to 20 kts. SFC winds light and terrain driven
after 05/05Z. Aviation discussion not updated for TAF
amendments.

&&

.FIRE WEATHER...An active monsoon period looks favorable this
week with daily chances for showers and thunderstorms each
afternoon and evening, with day to day variability. Minimum
relative humidity values will likely remain above 25-40 percent
through the week with temperatures 2-4 degrees above normal.
Outside of thunderstorms, winds terrain driven to around 10 mph
with occasional afternoon gusts to 25 mph.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...
Flood Watch until 11 PM MST this evening for AZZ503-504-507-
508-511>513.
Blowing Dust Advisory until 8 PM MST this evening for
AZZ507>509-511>513.

&&

Hardin

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In the hours before

Local storm report, Aug 4, 3:53 PM MST, 4 hours 4 minutes before

Preliminary Local Storm Report
National Weather Service Tucson AZ
353 PM MST Tue Aug 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 PM     Flash Flood      9 SSE Sells             31.80N 111.82W
08/03/2026                   Pima               AZ   Emergency Mngr

            Delayed report. Significant flooding along
            San Manuel Rd.

0950 PM     Tstm Wnd Dmg     1 E Sells               31.92N 111.87W
08/03/2026                   Pima               AZ   Emergency Mngr

            Delayed report. Construction pillar damaged
            from thunderstorm winds.

1000 PM     Tstm Wnd Dmg     1 WSW Sells             31.91N 111.89W
08/03/2026                   Pima               AZ   Emergency Mngr

            Delayed report. Building near fire
            department lost siding.

0450 PM     Tstm Wnd Dmg     1 NNW Tombstone         31.73N 110.07W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Batting cage blown into
            desert.

0530 PM     Tstm Wnd Dmg     13 SSE Willcox          32.07N 109.76W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. 14 power poles down in
            Kansas Settlement.

0535 PM     Tstm Wnd Dmg     5 N Huachuca City       31.71N 110.35W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Half of roof blown off
            mobile home.

0540 PM     Tstm Wnd Dmg     6 N Huachuca City       31.72N 110.33W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Several trees down, one on
            home.

0540 PM     Tstm Wnd Dmg     5 N Huachuca City       31.70N 110.34W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Wood fence blown down,
            trampoline blown, carport blown.

0542 PM     Tstm Wnd Dmg     6 SE Sierra Vista       31.51N 110.26W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Tree blown down on power
            box.

0545 PM     Tstm Wnd Dmg     7 SSE Sierra Vista      31.47N 110.29W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Roof damage to main
            structure with roof blown off patio, trees
            down with one large pine tree down onto
            home.

0545 PM     Tstm Wnd Dmg     7 SE Sierra Vista       31.48N 110.25W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Large high frequency ham
            radio antenna damaged.

0545 PM     Tstm Wnd Dmg     8 SSE Sierra Vista      31.47N 110.26W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Roof blown off.

0550 PM     Tstm Wnd Dmg     7 SSE Sierra Vista      31.47N 110.28W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Row of medium sized trees/
            junipers blown down.

0550 PM     Tstm Wnd Dmg     7 SSE Sierra Vista      31.46N 110.29W
08/03/2026                   Cochise            AZ   Emergency Mngr

            Delayed report. Tree blown down and 2 large
            tree limbs blown down.

&&

Local storm report, Aug 4, 3:59 PM MST, 3 hours 58 minutes before

Preliminary Local Storm Report
National Weather Service Tucson AZ
359 PM MST Tue Aug 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 PM     Hail             8 SSE Sells             31.81N 111.82W
08/03/2026  M1.00 Inch       Pima               AZ   Emergency Mngr

            Delayed report. Quarter sized hail.

&&

Local storm report, Aug 4, 6:25 PM MST, 1 hour 32 minutes before

Preliminary Local Storm Report
National Weather Service Tucson AZ
625 PM MST Tue Aug 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0603 PM     Tstm Wnd Gst     21 ENE Willcox          32.32N 109.48W
08/04/2026  M55 MPH          Cochise            AZ   Mesonet

            Mesonet station AZT15 Bowie.

&&

KLM

Local storm report, Aug 4, 7:41 PM MST, 16 minutes before

Preliminary Local Storm Report
National Weather Service Tucson AZ
741 PM MST Tue Aug 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0725 PM     Tstm Wnd Gst     8 NNE Pirtleville       31.46N 109.50W
08/04/2026  M59 MPH          Cochise            AZ   Mesonet

            Personal weather station observed gust of 59
            mph.

&&

KLM

Local storm report, Aug 4, 7:52 PM MST, 5 minutes before

Preliminary Local Storm Report
National Weather Service Tucson AZ
752 PM MST Tue Aug 4 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0736 PM     Tstm Wnd Gst     10 NNE Pirtleville      31.49N 109.48W
08/04/2026  M66 MPH          Cochise            AZ   Mesonet

            Personal weather station observed gust of 66
            mph.

&&

KLM

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 4, 5:47 PM MST	Severe Thunderstorm Warning	TWC	Cochise	43 min
Aug 4, 5:57 PM MST	Dust Storm Warning	TWC	Cochise	93 min
Aug 4, 6:15 PM MST	Areal Flood Advisory	TWC	Cochise	2 hr
Aug 4, 6:35 PM MST	Severe Thunderstorm Warning	TWC	Cochise	55 min
Aug 4, 7:30 PM MST	Severe Thunderstorm Warning	TWC	Cochise	46 min
Aug 5, 1:41 PM MST	Flood Watch	TWC	Cochise, Graham, Pima, Pinal, Santa Cruz	11 hr
Aug 5, 4:00 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Graham	45 min
Aug 5, 4:39 PM MST	Areal Flood Advisory	TWC	Graham	2 hr

Nearby

Flash Flood Warnings in Arizona, 2026 Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.