Auburn, Virginia 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

818
FXUS66 KSEW 251203
AFDSEW

Area Forecast Discussion
National Weather Service Seattle WA
403 AM PST Thu Dec 25 2025

.SYNOPSIS...
Shower activity will lift northwards into Western Washington this
afternoon. A shortwave on Friday will bring lowland rain and
mountain snow. A change in the weather pattern this weekend
through midweek with an upper level ridge favored to build over
the Pacific Northwest, bringing drier conditions and patchy fog
possible.

&&

.SHORT TERM /TODAY THROUGH SATURDAY/...
Latest radar imagery shows weak radar echoes starting to push
northwards into Western Washington. A quick burst of shower activity
will push across the region this morning into the afternoon hours. A
shortwave trough will quickly follow on Friday, bringing additional
lowland rain and mountain snow. Snow levels Friday morning will be
around 2500 ft near the passes and lower below 1000 ft by Friday
evening. Around 6-12 inches of snow are expected at the passes, for
which a Winter Weather Advisory has been issued for the north and
central Cascades through late Friday evening. As for the lowlands,
between 0.25-0.50 inches are expected, with higher amounts near the
coast. Conditions will dry up on Saturday as an upper level
ridge begins to build over the Pacific Northwest. High
temperatures will in the 40s, and low temperatures will be in
the 30s, with slightly cooler temperatures on Saturday. 29

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
There is good agreement between long term ensembles that the Pacific
Northwest will be under the influence of an upper level ridge
through midweek. In addition, lingering moisture from recent
rainfall may promote fog development/low stratus across the
region. 29

&&

.AVIATION...
VFR for majority of terminals this morning, with localized areas of
IFR/LIFR in low stratus and fog. Shower activity will return this
morning and push northwards across the terminals this afternoon.
This will bring widespread MVFR ceilings after 18Z. A second round
of rain on Friday. Localized IFR/LIFR possible in the heavier bands
of rain. N/NE winds at 5-12 kt will shift southerly late Thursday
evening at 2-5 kt.

KSEA...VFR ceilings will lower this afternoon to MVFR as showers
push through the terminal. MVFR ceilings will likely prevail through
the TAF period. There is a slight chance (20-25%) of IFR ceilings
between 09Z-16Z Friday as a second round of rain pushes through.
N/NE winds this morning 10-15 kt will decrease to 5-7 kt. Winds will
shift southerly this evening at 5-7 kt. 29

&&

.MARINE...
A broad surface trough south of the area and high pressure over
the interior of British Columbia will lead to northerly flow
today. Weak surface trough moving over the waters tonight into
Friday. High pressure will build over the area Friday night and
remain through early next week.

Small craft advisory winds developing over the outer coastal
waters tonight spreading to the inner coastal waters as well as
the Western and Central portion of the Strait of Juan de Fuca
Friday morning into Friday afternoon. Winds easing Friday
night.

Seas building to 7 to 10 feet tonight and 10 to 14 feet Friday.
Seas subsiding below 10 feet late Saturday afternoon into
Saturday evening.

Light conditions due to the surface high pressure over the
waters brings up the possibility of dense fog over the interior
waters Saturday night through Tuesday. Felton

&&

.HYDROLOGY...
No river flooding is expected over the next 7 days. The threat
of landslides has greatly decreased across western Washington.

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...Coastal Flood Advisory from 7 AM this morning to 1 PM PST this
     afternoon for City of Seattle-Lowlands of Pierce and
     Southern King Counties-San Juan County.

     Winter Weather Advisory from 4 AM to 10 PM PST Friday for
     Cascades of Snohomish and Northern King Counties-Cascades
     of Southern King County-Cascades of Whatcom and Skagit
     Counties.

PZ...Small Craft Advisory from 1 PM Friday to 6 AM PST Saturday for
     Grays Harbor Bar.

     Small Craft Advisory from 6 AM Friday to 1 AM PST Saturday for
     Central U.S. Waters Strait Of Juan De Fuca-West Entrance
     U.S. Waters Strait Of Juan De Fuca.

     Small Craft Advisory from 1 PM Friday to 1 AM PST Saturday for
     East Entrance U.S. Waters Strait Of Juan De Fuca.

     Small Craft Advisory from 1 AM Friday to 6 PM PST Saturday for
     Coastal Waters From Cape Flattery To James Island 10 To
     60 Nm-Coastal Waters From Cape Flattery To James Island
     Out 10 Nm-Coastal Waters From James Island To Point
     Grenville 10 To 60 Nm-Coastal Waters From James Island To
     Point Grenville Out 10 Nm-Coastal Waters From Point
     Grenville To Cape Shoalwater 10 To 60 Nm-Coastal Waters
     From Point Grenville To Cape Shoalwater Out 10 Nm.

&&

$$