Alert archive / Arizona / Flash Flood Warnings in 2026

Flash Flood Warning 13, NWS Las Vegas, NV

July 18, 2026Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Jul 18, 2026, 7:13 PM MST for Mohave County, Arizona. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 18, 2026, 7:13 PM MST (02:13 UTC)
Expired
Jul 18, 2026, 10:15 PM MST
In force
3 hr
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Mohave County, AZ

The radar

The Cedar City radar (KICX), 70 km from the middle of the area, began a volume at 02:14 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.

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 2.2 hours before the alert went out and 219 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-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 00:00Z on 2026-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 00:00Z on 2026-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
138 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

As transmitted.

726 
WGUS55 KVEF 190213
FFWVEF
AZC015-190515-
/O.NEW.KVEF.FF.W.0013.260719T0213Z-260719T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
713 PM PDT Sat Jul 18 2026

The National Weather Service in Las Vegas has issued a

* Flash Flood Warning for...
  Northeastern Mohave County in northwestern Arizona...

* Until 1015 PM MST.

* At 713 PM MST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms producing
           flash flooding.

  SOURCE...Radar indicated.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Colorado City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3694 11291 3694 11303 3700 11302 3700 11293

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

AG
2 follow-up statements
564 
WGUS75 KVEF 190318
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
818 PM PDT Sat Jul 18 2026

AZC015-190515-
/O.CON.KVEF.FF.W.0013.000000T0000Z-260719T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mohave AZ-
818 PM MST Sat Jul 18 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM MST THIS
EVENING FOR NORTHEASTERN MOHAVE COUNTY...

At 818 PM MST, Doppler radar and automated rain gauges indicated
moderate to heavy rain across the warned area. Flash flooding was
seen along Hildale St over Short Creek in Colorado City. Flood waters
are starting to recede, but will continue to pose a threat.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams, urban
         areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Colorado City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3700 11293 3694 11291 3694 11303 3700 11302

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

AG
670 
WGUS75 KVEF 190511
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
1011 PM PDT Sat Jul 18 2026

AZC015-190521-
/O.EXP.KVEF.FF.W.0013.000000T0000Z-260719T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mohave AZ-
1011 PM MST Sat Jul 18 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 1015 PM MST THIS EVENING FOR
NORTHEASTERN MOHAVE COUNTY...

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

&&

LAT...LON 3700 11293 3694 11291 3694 11303 3700 11302

$$

AG

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 5:01 PM MSTSevere Thunderstorm WarningVEFMohave44 min
Jul 18, 5:29 PM MSTFlash Flood Warning Considerable damage threatVEFMohave3 hr
Jul 18, 5:36 PM MSTAreal Flood AdvisoryVEFMohave3 hr
Jul 18, 7:00 PM MSTAreal Flood WarningVEFMohave13 min
Jul 19, 1:18 PM MSTAreal Flood AdvisoryVEFMohave3 hr

Nearby

Flash Flood Warnings in Arizona, 2026Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.