Pasco, Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Pasco WA
National Weather Service Forecast for:
Pasco WA
Issued by: National Weather Service Pendleton, OR |
Updated: 1:27 pm PST Feb 11, 2025 |
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This Afternoon
![This Afternoon: Sunny, with a high near 28. North wind around 5 mph. This Afternoon: Sunny, with a high near 28. North wind around 5 mph.](/forecast/images/few.jpg) Sunny
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Tonight
![Tonight: Mostly clear, with a low around 10. Calm wind. Tonight: Mostly clear, with a low around 10. Calm wind.](/forecast/images/nfew.jpg) Mostly Clear
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Wednesday
![Wednesday: Sunny, with a high near 28. Calm wind becoming northeast around 5 mph in the afternoon. Wednesday: Sunny, with a high near 28. Calm wind becoming northeast around 5 mph in the afternoon.](/forecast/images/few.jpg) Sunny
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Wednesday Night
![Wednesday Night: Increasing clouds, with a low around 10. North wind around 5 mph. Wednesday Night: Increasing clouds, with a low around 10. North wind around 5 mph.](/forecast/images/nbkn.jpg) Increasing Clouds
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Thursday
![Thursday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 28. North wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible. Thursday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 28. North wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.](/forecast/images/sn60.jpg) Snow Likely
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Thursday Night
![Thursday Night: Snow likely, mainly before 10pm. Snow level 500 feet. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than one inch possible. Thursday Night: Snow likely, mainly before 10pm. Snow level 500 feet. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.](/forecast/images/nsn60.jpg) Snow Likely
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Friday
![Friday: A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible. Friday: A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.](/forecast/images/rasn50.jpg) Chance Rain/Snow then Slight Chance Rain/Snow
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Friday Night
![Friday Night: Mostly cloudy, with a low around 21. Friday Night: Mostly cloudy, with a low around 21.](/forecast/images/nbkn.jpg) Mostly Cloudy
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Saturday
![Saturday: A slight chance of snow between 10am and 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%. Saturday: A slight chance of snow between 10am and 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.](/forecast/images/sn20.jpg) Slight Chance Snow then Chance Rain/Snow
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Hi 28 °F |
Lo 10 °F |
Hi 28 °F |
Lo 10 °F |
Hi 28 °F |
Lo 23 °F |
Hi 34 °F |
Lo 21 °F |
Hi 35 °F |
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This Afternoon
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Sunny, with a high near 28. North wind around 5 mph. |
Tonight
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Mostly clear, with a low around 10. Calm wind. |
Wednesday
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Sunny, with a high near 28. Calm wind becoming northeast around 5 mph in the afternoon. |
Wednesday Night
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Increasing clouds, with a low around 10. North wind around 5 mph. |
Thursday
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Snow likely, mainly after 4pm. Mostly cloudy, with a high near 28. North wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible. |
Thursday Night
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Snow likely, mainly before 10pm. Snow level 500 feet. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than one inch possible. |
Friday
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A chance of snow before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible. |
Friday Night
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Mostly cloudy, with a low around 21. |
Saturday
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A slight chance of snow between 10am and 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%. |
Saturday Night
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Rain likely, possibly mixed with snow, mainly after 10pm. Snow level 1000 feet rising to 2300 feet after midnight. Cloudy, with a low around 29. |
Sunday
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Rain and snow likely. Cloudy, with a high near 38. |
Sunday Night
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Rain likely. Cloudy, with a low around 32. |
Washington's Birthday
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A chance of rain. Mostly cloudy, with a high near 43. |
Forecast from NOAA-NWS
for Pasco WA.
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Weather Forecast Discussion
332
FXUS66 KPDT 111754
AFDPDT
Area Forecast Discussion
National Weather Service Pendleton OR
954 AM PST Tue Feb 11 2025
.AVIATION...18Z TAFs...VFR conditions are likely (70% chance or
greater) through the TAF valid period with the exception of
central Oregon sites (BDN/RDM) which have low stratus this
morning resulting in MVFR CIGs to perhaps localized IFR CIGs.
Some thinning of the stratus is apparent on satellite, but
confidence is high (80%) in MVFR CIGs persisting through the
remainder of the morning. Confidence in TAFs at BDN/RDM beyond 21Z
is medium (50%) as latest guidance suggests a low-medium chance
(20-40%) of stratus persisting this evening and overnight.
Sustained winds of 10 kts or less are forecast through the period
for all sites. Plunkett/86
&&
.PREV DISCUSSION... /issued 300 AM PST Tue Feb 11 2025/
.SHORT TERM...Today through Thursday night...
Key Messages:
1. Areas of patchy freezing fog this morning.
*Special Weather Statement Active*
2. Very cold, potentially record-breaking temperatures.
*Cold Weather Advisories Issued*
3. Widespread snow chances Thursday.
Current radar and infrared satellite imagery showing light returns
across Deschutes County as pockets of freezing fog are being
reported by local weather stations and visible via webcams under
clear skies. Redmond and Bend are both reporting light snow at
this hour, which has led to snow covered roadways and spots of
ice. These conditions are expected to persist through the early
morning hours as temperatures continue to plummet as a result of
radiational cooling due to the lack of cloud cover. The light snow
has also provided additional low level moisture that could lead
to visibilities dropping to as low as one-quarter mile in isolated
areas. Monday`s high temperatures briefly reaching above freezing
as well, allowing the potential for refreezing to occur as spots
of ice may also be a concern. Thus, a Special Weather Statement
has been issued through 7 AM across Central Oregon. Isolated areas
of decreased visibilities may also extend along the base of the
Blue Mountains early this morning, but should stay confined to
valley bottoms.
A significant upper level trough and associated cold front will
drive through the region today, bringing a much cooler airmass
with it. This will drop morning temperatures into single digits
today, with pockets sub-zero lows across Grant, Wallowa, Union,
and southern Deschutes county. Today`s high temperatures will also
drop about 5 degrees from Monday as highs will peak in the mid-to
upper 20s across lower elevations of the Basin and foothills of
the Blue Mountains. These high temperatures are about 20-25
degrees below normal, but will slowly warm Wednesday and Thursday
as today`s northerly flow aloft turns more from the northwest
Wednesday before shifting from the west on Thursday due to an
incoming system. The coldest temperatures are expected to occur
tonight into Wednesday morning as low temperatures bottom-out in
the low to mid-single digits for lower elevations of the Basin and
Blue Mountain foothills. Much colder temperatures are anticipated
across Grant, Wallowa, Union, and southern Deschutes counties with
-5 to -10 degree morning temperatures likely. Confidence in these
temperatures is high (70-80%) as the NBM suggests a 55-95% chance
of low temperatures dropping to below zero across the
aforementioned areas. In fact, the NBM suggests there is a 35-45%
chance of low temperatures dropping to below zero over the
northern Blue Mountain foothills Wednesday morning. Thus, a Cold
Weather Advisory has been issued both Tuesday and Wednesday
morning. The Advisory also extends into Thursday morning as well,
but morning temperatures are currently expected to drop into the
mid-single digits. The difference on Thursday will be that these
cold temperatures will be coupled with breezy east-northeast winds
that will further drive wind chills between 0 and -10 across much
of the area. These elevated winds will be a result of the
incoming weather system that will be approaching the coast
Thursday morning.
The incoming upper level trough early Thursday morning will open
up and weaken as it moves onshore, resulting in widespread snow
chances of 1-3 inches. Areas of higher elevations above 4500 feet
could experience 3-7 inches, but at this time all snow amounts
are below any advisory thresholds on Thursday. However, this
system will extend into Friday, which may warrant the
consideration for Winter Weather Advisories. At this time, the
best chances for any winter highlights Thursday through Friday
would be across the John Day-Ochoco Highlands and the Blue
Mountains/foothills. Current confidence in advisory-level snowfall
is low to moderate (30-50%) as the NBM suggests a 40-60% chance of
3 inches of snow or more (advisory-level) across the John Day-
Ochoco Highlands, a 40-60% chance of 6 inches of snow or more
(advisory-level) over the northern Blue Mountains, and a 30-50%
chance of 2 inches or more (advisory-level) along the northern
Blue Mountain foothills. 75
&&
.LONG TERM...Friday through Tuesday...
Bottom Line Up Front
1. Unsettled weather through the period
2. Low elevation snow transitioning to rain
with continued mountain snow
3. "Warm" temperatures return Sunday
The long term will be characterized by a bit of unsettled weather.
A series of weather systems will bring times of mountains snow
as well as low elevation snow before transitioning to rain and a
rain snow mix beginning Sunday. Mountain snow showers will
continue through the period before increasing Monday ahead of the
next system.
Friday models are in firm agreement that the axis of an upper
level shortwave will begin moving over the Cascades. Models show
there to be some precipitation becoming wrapped up within the
shortwave bringing plenty of moisture to the region. With the
upper level flow aloft still bringing in cold air in from the
north, snow levels remain near Basin levels allowing the
precipitation to fall as snow. However, with the flow over the
region, some areas will be shadowed from the snow. Primary areas
of low elevation snow will be through the Gorge, the lower
Columbia Basin, along the foothills of the Blues and through the
John-Day Basin. 60-70% of the raw ensembles show the
aforementioned areas will see 0.5-1.5 inches. Higher amounts along
the higher terrains with 50-60% showing areas like Tollgate and
Ski Bluewood will see near 5 inches as well as along the east
slopes of the OR Cascades. Models remain in firm agreement through
Friday night into Saturday morning when a brief upper level ridge
will build in. There will continue to be snow showers across the
region with the eastern portion of the Basin could see a brief
snow shower or two with 20% of the ensembles showing only 0.1-0.2
inches accumulating.
Saturday night models show a warm front ahead of an upper level
trough will make its way across the PacNW. Models are in
relatively decent agreement with the southwest flow tangling up
with a weak atmospheric river and bringing in extra moisture. The
warm front will bring `warmer` temperatures to the region and a
transition from low elevation snow to rain/rain-snow. Lowe
temperatures will remain at or below freezing and could bring a
brief round of freezing rain (20% probabilities) to the Simcoe
Highlands Sunday morning. Otherwise, 30-40% of the raw ensembles
show the Basin will see near 15 inches of rain, 40-60% show the
foothills of the Blues will see 0.15-0.25 inches while 15-35% show
central OR will see 0.1-0.15 inches. Models remain in decent
agreement and show the precipitation will steadily decrease as the
leading edge of another upper level ridge begins moving towards
the PacNW.
EFI shows temperatures to remain below climatological normal
through the period with climate showing temperatures to be 10 to
15 degrees below the normal Friday and Saturday. NBM shows high
temperatures Friday to be in the upper 20s to low 30s across much
of the region, Saturdays high temperatures are a bit warmer moving
into the mid to upper 30s. As the warm front crosses the region,
high temperatures begin settling more towards climatological
normal but, remaining 2 to 5 degrees below normal. NBM shows
temperatures to peak Tuesday with the majority of the region,
minus the higher terrains, seeing temperatures in the mid to upper
40s. Confidence in the temperatures reaching into the 40s by
Tuesday is high (70-90%). Bennese/90
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT 21 0 23 3 / 0 0 0 0
ALW 23 1 23 5 / 0 0 0 0
PSC 29 9 29 10 / 0 0 0 0
YKM 28 6 28 6 / 0 0 0 0
HRI 28 7 28 7 / 0 0 0 0
ELN 27 5 27 5 / 0 0 0 0
RDM 23 -2 26 4 / 0 0 0 10
LGD 21 -8 21 2 / 0 0 0 0
GCD 23 -3 28 3 / 0 0 0 0
DLS 31 13 32 13 / 0 0 0 0
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...Cold Weather Advisory until 7 AM PST Thursday for ORZ049-050-502-
503-506-509-511.
WA...Cold Weather Advisory until 7 AM PST Thursday for WAZ030-522.
&&
$$
SHORT TERM...75
LONG TERM....90
AVIATION...86
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