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Truckee, California 7 Day Weather Forecast
Wx Discussion - Wx Hazards - Wx Special Statements
NWS Forecast for Truckee CA
National Weather Service Forecast for: Truckee CA
Issued by: National Weather Service Reno, NV
Updated: 11:51 pm PST Dec 8, 2022
 
Overnight

Overnight: Snow likely, mainly before 4am.  Mostly cloudy, with a low around 18. Southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Snow Likely

Friday

Friday: A chance of snow before 7am, then a slight chance of snow after 4pm.  Mostly cloudy, with a high near 33. Southwest wind 10 to 15 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Chance Snow

Friday
Night
Friday Night: A 50 percent chance of snow, mainly after 10pm.  Mostly cloudy, with a low around 18. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.  New snow accumulation of 1 to 3 inches possible.
Chance Snow
and Breezy
Saturday

Saturday: Snow. The snow could be heavy at times.  High near 35. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Heavy Snow

Saturday
Night
Saturday Night: Snow. The snow could be heavy at times.  Low around 16. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Heavy Snow

Sunday

Sunday: Snow.  High near 28. Southwest wind around 5 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Snow

Sunday
Night
Sunday Night: A 40 percent chance of snow, mainly before 4am.  Mostly cloudy, with a low around 7. New snow accumulation of less than a half inch possible.
Chance Snow

Monday

Monday: A slight chance of snow before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 29.
Slight Chance
Snow then
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 4.
Partly Cloudy

Lo 18 °F Hi 33 °F Lo 18 °F Hi 35 °F Lo 16 °F Hi 28 °F Lo 7 °F Hi 29 °F Lo 4 °F

Special Weather Statement
Avalanche Watch
Winter Storm Warning
Lake Wind Advisory
 

Overnight
 
Snow likely, mainly before 4am. Mostly cloudy, with a low around 18. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Friday
 
A chance of snow before 7am, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 33. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
 
A 50 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 18. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. New snow accumulation of 1 to 3 inches possible.
Saturday
 
Snow. The snow could be heavy at times. High near 35. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Saturday Night
 
Snow. The snow could be heavy at times. Low around 16. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Sunday
 
Snow. High near 28. Southwest wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
 
A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 7. New snow accumulation of less than a half inch possible.
Monday
 
A slight chance of snow before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 29.
Monday Night
 
Partly cloudy, with a low around 4.
Tuesday
 
Mostly sunny, with a high near 30.
Tuesday Night
 
Partly cloudy, with a low around 6.
Wednesday
 
A slight chance of snow. Mostly sunny, with a high near 31.
Wednesday Night
 
A slight chance of snow. Mostly cloudy, with a low around 8.
Thursday
 
Partly sunny, with a high near 32.

 

Forecast from NOAA-NWS for Truckee CA.

Weather Forecast Discussion
000
FXUS65 KREV 082123
AFDREV

Area Forecast Discussion
National Weather Service Reno NV
123 PM PST Thu Dec 8 2022

.SYNOPSIS...

A fast-moving storm will bring a quick few inches of snow and gusty
winds to the Sierra tonight into Friday morning. Light snow flurries
may reach valley floors of western Nevada early Friday morning, but
accumulations will be little to none. A significant winter storm
arrives on Friday night, with high confidence to bring heavy
snowfall and widespread travel impacts to the Sierra through the
weekend.

&&

.SHORT TERM...

A fast-moving shortwave trough is still on track to pass through
northern CA/NV tonight into Friday morning. No major changes to the
thinking with this system, as it is still expected to produce light
QPF/snow amounts and strong winds through daybreak on Friday.
Highest snow totals are expected along the Sierra crest north of Hwy
50, with 2-6 inches possible. Precipitation will bank up against the
western Sierra slopes and is expected to be largely shadowed east of
the Sierra crest, with only an inch or two possible in northeast CA
and the Tahoe Basin. As such, travel across the Sierra west of the
crest may be difficult to impossible through the morning commute.
Light snow flurries may spill over into western NV valleys and the
Eastern Sierra early Friday morning, but accumulations will be no
more than a dusting.

S-SW winds have already begun to pick up at mountain-top level this
afternoon, with gusts 30-35 mph already observed along the crest.
Mid-level winds look to peak just before midnight with 700 MB flow
reaching 50+ kts, translating to 80+ mph gusts at ridge-level.
Strong winds also look to mix down into the Tahoe Basin, with winds
15-25 mph and gusts up to 45 mph possible. As such, a Lake Wind
Advisory was hoisted for Lake Tahoe through early  tomorrow morning
as waves 2-4 feet are possible. It will be rather breezy overnight
for western NV valleys and the Eastern Sierra, with widespread gusts
25-35 mph. Winds will slightly taper off through late Friday
morning, though ridge-level winds will remain elevated through the
day as a major storm approaches.

-Whitlam

.LONG TERM...Friday night through Thursday...

A significant winter storm is poised to impact the Sierra this
weekend with the potential for several feet of snow from Friday
night into late Sunday. Spillover rainfall looks most likely across
western Nevada valleys on Saturday before transitioning to snow late
Saturday night into early Sunday morning.

Main updates to the forecast were to upgrade Winter Storm Watches
across the Sierra and northeast California to Winter Storm Warnings
from late Friday night into late Sunday. Have also trended expected
QPF/Snow amounts a bit farther south into Mono County but overall
impacts remain the same with several feet of snow expected across
the Sierra this weekend. See the last Winter Storm Warning for
expected snowfall totals.

The approaching storm will draw upon a subtropical moisture tap and
begin to push moderate to heavy snow across western Lassen County
Friday night with heavier snow rates reaching the I-80 corridor
across the Sierra by daybreak Sunday morning. The heaviest period of
snowfall through the Tahoe Basin will target Saturday mid-morning to
evening where hourly snowfall rates of 2-3"/hr will be possible,
particularly with dynamic support from an upper level jet. Across
Mono County, the heaviest snows are expected by early Saturday
afternoon through Saturday night. While snow levels will rise during
the day Saturday, they will generally remain around 5000-6000 feet
which should keep most areas as snow through the duration across the
Sierra. This portion of the storm will be heavy, wet Sierra cement
type snow due to the subtropical moisture with snow ratios 8 to 1.

Across western Nevada, spillover rainfall is expected in the lower
valleys with 0.25"-0.50" of rain accumulations possible through
Saturday afternoon. This could create some nuisance flooding for
urban and poor drainage areas. Snow levels will then rapidly drop to
western Nevada valley floors by late Saturday night into early
Sunday morning. This will be the best chance for a few inches of
snowfall down in the lower valleys with more widespread impacts
across foothill areas.

Strong and gusty winds will accompany this system with surface winds
of 40-50 mph possible across Sierra communities and extending into
far western Nevada. Sierra ridgetops should easily gust over 100 mph
during the event. The combination of gusty winds and heavy snow
could result in periods of whiteout conditions, particularly across
wind prone canyons along US-395 in Mono County and extending into
Mammoth Lakes.

Snow showers will begin to taper off through Monday with quieter
weather including lighter winds and colder conditions prevailing
next week. Temperature will only reach the low to mid 30s (10
degrees below average) with lows dipping into the single digits
and teens. Fresh snowfall could easily aid in dipping values to
sub-zero across the Sierra by Tuesday morning. Fuentes

&&

.AVIATION...

* A fast-moving storm will bring snow and wind impacts to the Sierra
  and western NV terminals through early tomorrow morning. FL100
  winds will quickly increase to around 50 kts tonight. With this
  increase in upper-level wind speeds, expect moderate turbulence
  and LLWS through 12Z Friday morning. S-SW surface winds will reach
  peak gusts overnight at 20-25 kts, locally stronger at KTVL-KMEV-
  KMMH. Winds will improve late Friday morning as the storm tracks
  out of our region.

* Snow showers are expected to impact Sierra and northeast CA
  tonight and Friday morning, with accumulations up to 2 inches
  possible for KTRK-KTVL. Widespread MVFR and periodic IFR
  conditions are expected for Tahoe area airports tonight through
  early Friday morning. Terrain obscuration will also remain a
  concern. Light snow flurries may reach the valley floors early
  Friday morning as the storm tracks east, but accumulations will be
  little to none.

* A stronger winter storm will begin Friday night. This storm is
  slated to bring heavy snow to the Sierra, heavy rain and
  accumulating snow to valleys across western NV, and widespread
  wind impacts through Monday morning.

-Whitlam

&&

.REV Watches/Warnings/Advisories...
NV...Lake Wind Advisory from 7 PM this evening to 4 AM PST Friday for
     Lake Tahoe in NVZ002.

     Winter Storm Warning from 4 AM Saturday to 4 AM PST Monday
     NVZ002.

CA...Winter Storm Warning from 10 PM Friday to 4 AM PST Monday CAZ071.

     Lake Wind Advisory from 7 PM this evening to 4 AM PST Friday for
     Lake Tahoe in CAZ072.

     Winter Storm Warning from 4 AM Saturday to 4 AM PST Monday
     CAZ072.

     Winter Storm Warning from 7 AM Saturday to 4 AM PST Monday
     CAZ073.

&&

$$
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