Flash Flood Warning 92, NWS Las Vegas, NV

931 
WGUS75 KVEF 061223
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
523 AM PDT Sat Sep 6 2025

AZC015-061415-
/O.CON.KVEF.FF.W.0092.000000T0000Z-250906T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mohave AZ-
523 AM MST Sat Sep 6 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM MST THIS 
MORNING FOR SOUTHWESTERN MOHAVE COUNTY...

At 523 AM MST, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 
0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing or 
expected to begin shortly.

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

SOURCE...Radar and automated gauges.

IMPACT...Life-threatening flash flooding of low-water crossings,
         creeks, normally dry washes and roads.

Some locations that will experience flash flooding include...
  Bullhead City, Kingman, Yucca, Dw Ranch Road, Blake Ranch Road, 
  Hualapai Mountain Park, Wild Cow Campground, New Kingman-Butler, 
  Valentine, Golden Valley, Diamond M Ranch, Oatman, Hualapai Peak 
  and Peach Springs.

This includes Interstate 40 in Arizona between mile markers 20 and 
93.

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.

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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3575 11333 3574 11333 3563 11333 3562 11333
      3559 11333 3550 11333 3548 11333 3525 11333
      3502 11333 3498 11333 3488 11355 3476 11382
      3480 11431 3514 11451 3524 11457 3533 11394
      3562 11363

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

$$

JP

797 
WGUS75 KVEF 061414
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
714 AM PDT Sat Sep 6 2025

AZC015-061424-
/O.EXP.KVEF.FF.W.0092.000000T0000Z-250906T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mohave AZ-
714 AM MST Sat Sep 6 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 715 AM MST THIS MORNING FOR 
SOUTHWESTERN MOHAVE COUNTY...

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

&&

LAT...LON 3575 11333 3574 11333 3563 11333 3562 11333
      3559 11333 3550 11333 3548 11333 3525 11333
      3502 11333 3498 11333 3488 11355 3476 11382
      3480 11431 3514 11451 3524 11457 3533 11394
      3562 11363

$$

AG

Area Forecast Discussion
National Weather Service Las Vegas NV
100 AM PDT Sat Sep 6 2025

.KEY MESSAGES...

* Monsoonal moisture will remain in place today and tomorrow,
  promoting afternoon shower and thunderstorm activity.

* A drying trend is expected the first half of the week as flow
  becomes more westerly. Relatively cooler temperatures will also
  overspread the region by mid week.

&&

.DISCUSSION...Through next Friday.

Once again, scattered thunderstorms are currently (1 AM PDT) moving
southeast through southern Nevada as northerly outflow boundaries
collide with southerly low level flow. High resolution guidance
shows the greatest activity in northwestern Arizona over the next
few hours before exiting the area by daybreak. Flash flooding, gusty
outflow winds, and large hail are all possible with these storms.
Another round of thunderstorms should commence this afternoon,
mainly over Mohave, Clark, and Lincoln counties. Activity should
initially favor high terrain before some storms make it to lower
elevations. Unlike Thursday night and Friday night, convection is
expected to end after sunset due to reduced instability and
moisture. The drying trend will continue on Sunday as the trough
tracks east and moisture is pushed out of the area. Sunday's storms
should be limited to higher terrain in northwestern Arizona.

Ensembles display rather high confidence in the development of a
large upper trough off the California coast. This will push any
remaining moisture east of the region, resulting in drier conditions
areawide by Monday. With lower heights, we can also expect to see
temperatures around 5-10 degrees below seasonal normals by midweek.
This means highs in the low 90s for Las Vegas. The drier air will
also bring more relief overnight with cool morning lows, including
temperatures in the low 70s in Las Vegas by midweek.

&&

.AVIATION...For Harry Reid...For the 06Z Forecast Package...Vicinity
convection likely to continue until 08-09z, with a ~25% chance of
storms directly impacting the terminal. Northeast outflow winds
should persist for a few hours, with gusts 15-25 knots possible.
Once convection pushes off to the southeast, winds will become light
and variable. Easterly breezes resume Saturday morning with speeds
generally 6-10 knots. Vicinity storms expected Saturday afternoon,
but should remain out of the valley. Convection and clouds will
begin to clear out in the early evening, with light southerly winds
taking hold.

For the rest of southern Nevada, northwest Arizona and southeast
California...For the 06Z Forecast Package...Convection continues in
the vicinity of the Las Vegas Valley until 08-09z tonight, with a
~25% chance of storms directly impacting the valley sites. These
storms are expected to continue pushing southeast through Mohave
County overnight. Outflow from this activity should result in a
northerly wind shift at the Colorado River Valley and Mohave County
airports. Farther west, calmer conditions prevail overnight.
Tomorrow, expecting winds to follow typical, daily patterns with
isolated afternoon convection east of the I-15 corridor.

&&

.SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report
any significant weather or impacts according to standard operating
procedures.

&&

DISCUSSION...Meltzer
AVIATION...Woods

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