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Kennewick, Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 3 Miles E Kennewick WA
National Weather Service Forecast for: 3 Miles E Kennewick WA
Issued by: National Weather Service Pendleton, OR
Updated: 9:37 am PST Feb 10, 2025
 
Today

Today: Mostly sunny, with a high near 32. North wind around 10 mph.
Mostly Sunny
Tonight

Tonight: Mostly clear, with a low around 13. Northwest wind around 8 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 29. North wind 3 to 5 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 12. Light northeast wind.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 29. North wind 3 to 6 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 11.
Mostly Clear
Thursday

Thursday: A 20 percent chance of snow after 10am.  Mostly cloudy, with a high near 29.
Slight Chance
Snow
Thursday
Night
Thursday Night: A 50 percent chance of snow.  Cloudy, with a low around 21.
Chance Snow
Friday

Friday: A 40 percent chance of snow, mainly before 10am.  Mostly cloudy, with a high near 33.
Chance Snow
Hi 32 °F Lo 13 °F Hi 29 °F Lo 12 °F Hi 29 °F Lo 11 °F Hi 29 °F Lo 21 °F Hi 33 °F

 

Today
 
Mostly sunny, with a high near 32. North wind around 10 mph.
Tonight
 
Mostly clear, with a low around 13. Northwest wind around 8 mph.
Tuesday
 
Sunny, with a high near 29. North wind 3 to 5 mph.
Tuesday Night
 
Mostly clear, with a low around 12. Light northeast wind.
Wednesday
 
Sunny, with a high near 29. North wind 3 to 6 mph.
Wednesday Night
 
Mostly clear, with a low around 11.
Thursday
 
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 29.
Thursday Night
 
A 50 percent chance of snow. Cloudy, with a low around 21.
Friday
 
A 40 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 33.
Friday Night
 
A slight chance of snow before 10pm. Mostly cloudy, with a low around 22.
Saturday
 
A slight chance of rain and snow. Snow level 500 feet. Mostly cloudy, with a high near 36.
Saturday Night
 
Rain and snow likely. Cloudy, with a low around 28.
Sunday
 
Rain and snow likely. Cloudy, with a high near 37.

 

Forecast from NOAA-NWS for 3 Miles E Kennewick WA.

Weather Forecast Discussion
489
FXUS66 KPDT 101755
AFDPDT

Area Forecast Discussion
National Weather Service Pendleton OR
955 AM PST Mon Feb 10 2025


Updated Aviation Discussion

.MORNING UPDATE...Some minor additions were made to the forecast,
as freezing fog continues to impact the foothills of the Blues,
and light snow has been reported in spots of central Oregon. NNW
flow aloft will help contribute to these conditions through the
morning and into the afternoon, before dry, clear conditions are
expected to prevail across the lowlands by the early evening.

.AVIATION...18Z TAFs...MVFR or lower conditions expected to
prevail at sites PDT/ALW/RDM/BDN through the period, with periodic
MVFR conditions at site DLS/PSC this morning. Site YKM will see
VFR conditions prevail through the period. The forecast challenge
this morning is fog and low stratus along the Blue Mountain
foothills, which has resulted in variable conditions at sites
PDT/ALW. Expectation is that conditions will become prevailing
MVFR between 20Z-21Z and continue into evening hours. Confidence
at this time is low in less than MVFR conditions redeveloping at
these sites tonight. Otherwise, CIGs at sites RDM/BDN are expected
to become less than MVFR after 6Z. VFR conditions to develop at
site DLS around 21Z and prevail through the period. Winds will be
light, less than 12kts, through the period. Lawhorn/82


PREV DISCUSSION... /issued 246 AM PST Mon Feb 10 2025/

.SHORT TERM...Today through Wednesday night...One of the
challenges in the short term forecast, especially for the next 24
hours, will be the snow showers that will be widely scattered but
a bit difficult to pinpoint where and how much snow. WSR-88D is
showing a small thin band of precipitation extending from
Arlington to the southern Blues that has brought some
accumulating snow to Battle Mtn Summit as shown by the ODOT webcam.
There is weak channeled vorticity that will combine with low
level upslope to bring snow to the east slopes of the southern WA
Cascades this morning. PoPs are around 20-30% in the Trout Lake
area and amounts up to 1" are forecast. Tonight, a backdoor cold
front traveling south across the forecast area will bring snow to
the east slopes of the OR Cascades with PoPs also around 20-40%. I
increased PoPs and QPF near Bend and Sunriver compared to
guidance, as pattern recognition would indicate the surface cold
front and north-northeast gradients would enhance light snow. The
NBM has 60-70% probability for amounts up 0.5" of snow but drop
off to 10% for 1" or greater, but experience says that there will
be at least a few areas receiving 0.5-1" and a slight chance
(20%) for 2" of snow. Of course, these are not big snow
accumulations but worth mentioning.

A backdoor cold front will spread arctic air east of the
Cascades this afternoon and tonight. It is going to be COLD
areawide tonight through Wednesday night. Most of the region is
snow covered, and it`s likely that guidance is too warm in some
areas for the overnight lows. Temps were lowered by at least a few
degrees in the wind protected valleys such as Seneca, Ukiah,
Enterprise, and La Pine. Record lows will be met in some areas,
and this will be mentioned in the forecast. A Cold Weather
Advisory will be issued for the upper east slopes of the WA
Cascades (WA522) where apparent temperatures will be down to -5 to
-15F...even colder near the crest of Mt. Adams. We may need to
 extend to other zones if temperatures are lowered than currently forecast.
 The Cold Weather Advisory criteria is -10F.

Although winds will generally come from the NNE at 5-15 mph, the
one area that will have breezy north winds today with the cold
frontal passage will be east of the Yakima Valley along the
Rattlesnake Hills. Forecast will show sustained winds 15-25 mph,
but there is a chance (30%) that winds will reach 25-30 mph. The
surface gradient from MWH-DLS is 3.0 mb, and strong winds in the
eastern Yakima Valley have been observed with northerly gradients
reaching 5.0 mb. Wister/85

.LONG TERM...Thursday through Monday...

Bottom Line Up Front

1. Snow will return to the lower elevations Thursday through
   Saturday morning

2. Low elevation rain beginning Saturday afternoon

2. Temperatures will steadily increase through the week

The long term will be characterized by a few pattern changes
bringing with it continued cold temperatures and the return of low
elevation snow through Saturday morning before a transition to rain.
A warm front will make its way across the region Saturday afternoon
shifting some of the lower elevation precipitation to rain. The warm
front will give way to another upper level trough moving into the
region again Monday bring mountain snow and lower elevation rain.

Thursday through Saturday morning models are in relatively firm
agreement with the upper level trough being over the PacNW. Clusters
do show some uncertainty with the amplitude of the trough, but
clusters do show QPF to be closely matched. Guidance shows the onset
of the system will begin across central OR steadily moving northeast
through the day. NBM guidance is showing storm total snow Thursday
to be 1-1.5 inches through central OR with 60-80% of the ensembles
in agreement, 30-50% agreement that north central OR will see the
same. As for the Columbia Basin, 30-50% agree to 0.50-1 inch, the
foothills have a 40-60% probability of seeing 1 inch while the
higher terrains will see higher amounts nearing 4-5 inches for the
Blues and higher amounts along the Cascade crests. Snow amounts will
decrease Friday through Saturday morning, however, snow levels will
continue to remain low, allowing the lower elevations to see another
round of light snow with 30-50% of ensembles showing amounts between
0.3-0.5 inches with the higher amounts along the foothills and
eastern mountains.

Saturday afternoon models show a warm front to make its way across
the region bringing snow levels to above 500 feet. Some lingering
precipitation will accompany the warm front and any precipitation
that falls will fall as rain across the lower elevations and remain
snow along the mountains. Ensembles show less than 25%
probabilities the Basin will see 0.25 inches. However the foothills
of the Blues, The Gorge and portions of the lower elevations of the
eastern mountains have 40-60% probabilities of 0.25 inches of rain
while the higher elevations will see additional snow. 60% of the
ensembles show the highest snow accumulations to be in the WA
Cascades with an additional 5+ inches.

Temperatures will continue to be frigid through the early portion
of the period as the north to north west flow continues to usher in
the cooler arctic air. EFI shows temperatures to remain well below
the climatological normal with the in office guidance showing high
temperatures to be nearly 20 degrees colder than average. Guidance
shows temperatures to be in the mid to upper 20s across the vast
majority of the region with teens along the higher terrains. As the
next system moves in, the upper level flow switches to a more
westerly flow before shifting to the southwest. This will bring in
`warmer` temperatures. However, EFI continues to show the region to
be below average temperatures with guidance showing temperatures to
still be 5 to 10 degrees below normal. Guidance shows temperatures
to increase back into the 40s with high confidence (60-80%).
Bennese/90


&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  27   7  23   3 /   0  10   0   0
ALW  27   9  23   3 /   0   0   0   0
PSC  32  11  29  10 /   0   0   0   0
YKM  32   7  30   6 /   0   0   0   0
HRI  32  11  28   8 /   0   0   0   0
ELN  29   6  28   5 /   0   0   0   0
RDM  30   6  23  -2 /  20  30  10   0
LGD  29   1  24  -3 /   0  10   0   0
GCD  30   3  25  -2 /   0  10   0   0
DLS  36  15  32  12 /  10  10   0   0

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...None.
WA...Cold Weather Advisory from 10 PM this evening to 7 AM PST
     Thursday for WAZ522.

&&

$$

SHORT TERM...74
LONG TERM....90
AVIATION...82
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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