Morongo Valley, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

312
FXUS65 KVEF 161123
AFDVEF

Area Forecast Discussion
National Weather Service Las Vegas NV
0323 AM PST Tue Dec 16 2025

.KEY MESSAGES...

* Mild conditions will continue across the region through the
  upcoming week.

* A disturbance will bring a 15-30% chance for precipitation to
  portions of Inyo and Esmeralda counties late week.

&&

.DISCUSSION...through Sunday.

Active Pacific storm track remains focused well to our north while
broad ridging continues to dominate the Southwestern US. This will
keep our skies mostly clear and temperatures well above normal.
Meanwhile, low sun angles and light surface winds promote
inversions in certain narrow valleys including Death Valley, which
means temperatures will stay relatively cool for those locations
through at least midweek.

The flow pattern will begin to change late in the week and over
the weekend as the flow becomes more zonal. This will allow
Pacific storm systems to drag further south into Northern
California, and bring some modest light precipitation chances to
the Sierra Crest and parts of northern Inyo/Esmeralda counties.
Otherwise, dry conditions will persist elsewhere.

Looking ahead, a more significant pattern change looks possible
approaching the Christmas holiday as deep troughing takes shape
off the California coastline. This flow pattern hints at some
precipitation opportunities in the longer range thanks to
moisture advection within a broad southerly flow ahead of the
trough axis. This potential is supported by the current 8-14 day
CPC official outlook favoring above normal precipitation chances
focused across California.


&&

.AVIATION...For Harry Reid...For the 12Z Forecast Package...Light
winds following typical diurnal directional trends will persist
through the TAF period.  VFR conditions will prevail, with FEW to
SCT clouds with bases AOA 20kft AGL into Wednesday.

For the rest of southern Nevada, northwestern Arizona and
southeastern California...For the 12Z Forecast Package...Light and
diurnal winds are expected today, with FEW to SCT clouds with bases
AOA 20kft AGL through the TAF period. The exception will be along
the Colorado River Valley, where breezy north winds are expected at
KEED and gusty north winds at KIFP, with gusts between 25 and 30
knots this afternoon before decreasing after sunset.

&&

.CLIMATE...Numerous climate locations have a forecast high
temperature and/or forecast warm low temperature within 3 degrees of
the daily record for Tuesday, Wednesday, and Thursday.

The table below shows the daily record maximum temperature and the
year the record was last set. An asterisk (*) denotes which records
are in jeopardy (within 3 degrees of the forecast).

MAX            TUE, DEC 16  WED, DEC 17  THU, DEC 18
               Record(Yr)   Record(Yr)   Record(Yr)

Las Vegas      74(1980)     71(1942)*    72(1939)*
Bishop         72(1980)*    72(1998)*    72(1999)*
Needles        79(1980)*    77(1980)*    75(2024)*
Daggett        76(1998)     76(1998)     80(1998)
Kingman        71(1969)*    70(1980)*    74(1980)*
Desert Rock    73(1980)*    72(1998)*    69(2024)*
Death Valley   84(1998)     88(1998)     86(1998)

The table below shows the daily record warm minimum temperature and
the year the record was last set. An asterisk (*) denotes which
records are in jeopardy (within 3 degrees of the forecast).

WARM MIN       TUE, DEC 16  WED, DEC 17  THU, DEC 18
               Record(Yr)   Record(Yr)   Record(Yr)

Las Vegas      49(2002)*    47(2010)*    48(1962)*
Bishop         38(1957)     33(1978)*    38(2010)*
Needles        62(1980)     61(1998)     57(2010)
Daggett        49(1981)*    49(1983)*    50(1980)*
Kingman        48(1957)     44(1980)*    46(2010)*
Desert Rock    49(1998)     41(2014)     45(2024)*
Death Valley   66(1998)     60(1998)     58(1914)
&&

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

&&

$$

DISCUSSION...Outler
AVIATION...Planz

For more forecast information...see us on our webpage:
https://weather.gov/lasvegas or follow us on Facebook and Twitter