Light to moderate snow will impact the Cascade and Idaho mountain
passes through the weekend. Snow will increase Sunday into Monday
in the mountains of North Idaho.
* WHAT...Snow. Additional snow accumulations between 7 and 13
inches. Winds gusting as high as 40 mph on the ridgetops.
* WHERE...Stehekin, Holden Village, and Stevens Pass.
* WHEN...Until 4 PM PST Saturday.
* IMPACTS...Periods of snow tonight and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Snow amounts at Stehekin of 2 to 5 inches.
* WHAT...Sneaker waves possible.
* WHERE...In Oregon, Central Coast of Oregon. In Washington,
South Washington Coast.
* WHEN...Through Sunday evening.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. A waves can suddenly
knock people off of their feet and quickly pull them into the
frigid ocean which may lead to serious injury or drowning.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Additional rounds of rain over the Olympics this weekend will keep
the Skokomish River above flood stage.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 9:30 AM PST Friday the stage was 17.2 feet.
- Flood stage is 16.5 feet.
- The river crested at 17.5 feet around 5 PM Thursday.
- Forecast...The river is expected to remain steady above flood
stage at 17.0 feet through the next few days.
- http://www.weather.gov/safety/flood
* WHAT...Sneaker waves possible.
* WHERE...In Oregon, Central Coast of Oregon. In Washington,
South Washington Coast.
* WHEN...Through Sunday evening.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. A waves can suddenly
knock people off of their feet and quickly pull them into the
frigid ocean which may lead to serious injury or drowning.
ESFSEW
Additional frontal systems will bring precipitation to Western
Washington at times through the weekend. While precipitation will be
much less with the systems today and into this weekend, the lack of
much of a break will keep rivers over the Southwest Interior rising
into the weekend. The potential for the lower reaches of the
Chehalis River to flood on Saturday continues to be monitored.
Please monitor the latest river forecasts from the National Weather
Service for additional information.
* WHAT...Heavy snow. Total snow accumulations between 15 to 20
inches.
* WHERE...Stevens Pass and Holden Village.
* WHEN...Until 4 PM PST Saturday.
* IMPACTS...Periods of snow today and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Motorists should check pass conditions for
potential closures due to avalanche control.
* WHAT...Snow. Total snow accumulations between 6 and 12 inches
above 3500 feet and 2 to 6 inches below 3500 feet. Highest snow
accumulations above pass level.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 4 PM PST Saturday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
* WHAT...Snow. Total snow accumulations of 6 to 12 inches above 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Total snow accumulations between 6 and 18 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...From 4 PM this afternoon to 4 PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible.
* WHAT...Total snow accumulations between 6 and 18 inches with 24
inches possible on Mount Rainier. Heaviest snow above 5000 feet.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST Saturday.
* IMPACTS...Travel could be very difficult to impossible.
* ADDITIONAL DETAILS...4 to 6 inches of new snow at Snoqualmie Pass
before the snow changes to rain Saturday morning.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through Sunday evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* WHAT...Large breaking waves of 14 to 20 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
* WHAT...Wet snow above 4000 feet. Additional snow accumulations of
2 to 6 inches, with the highest snow amounts above 5000 feet.
Winds gusting as high as 35 mph.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Travel could be difficult at times. Be prepared for snow
covered roads and slick surfaces.
* ADDITIONAL DETAILS...An active storm track will continue to
produce accumulating snow across the passes in the Cascades into
this weekend. However, there are two time periods when snow levels
will likely rise to 5000-5500 feet and be far enough above the
passes to temporarily limit snow accumulations. The first window
where snow levels will rise above the passes will occur between 3
AM Friday and 9 AM Friday. Another round of warmer air aloft will
most likely push snow levels above the passes Friday night as well.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Rounds of rain over the Olympics will keep the Skokomish River
above flood stage through the weekend.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 10:30 PM PST Thursday the stage was 17.4 feet.
- Flood stage is 16.5 feet.
- The river crested at 17.5 feet around 5 PM Thursday.
- Forecast...The river is expected to remain between 17 and
17.4 feet into Saturday morning.
- http://www.weather.gov/safety/flood
* WHAT...Snow. Total snow accumulations between 6 and 12 inches
above 3500 feet and 2 to 6 inches below 3500 feet. Highest snow
accumulations above pass level.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* WHAT...Snow. Total snow accumulations of 6 to 12 inches above 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 1 AM Friday to 4 AM PST Saturday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow expected. Total snow accumulations between 15 to 20
inches.
* WHERE...Holden Village and Stevens Pass.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Periods of snow Friday and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Motorists should check pass conditions for
potential closures due to avalanche control.
* WHAT...Large breaking waves of 15 to 22 feet in the surf zone.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. Localized beach erosion is possible.
People can be swept off rocks and jetties, and drown while
observing high surf.
* WHAT...Snow expected. Total snow accumulations between 15 to 20
feet.
* WHERE...Stevens Pass and Holden Village.
* WHEN...From 1 AM Friday to 4 PM PST Saturday.
* IMPACTS...Periods of snow Friday and Saturday will create winter
driving conditions over Stevens Pass.
* ADDITIONAL DETAILS...Motorists should check pass conditions for
potential closures due to avalanche control.
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.The Skokomish River will rise into Moderate flood stage this
afternoon then slowly recede into Minor flood stage tonight.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until further notice.
* IMPACTS...At 17.5 feet, the Skokomish River will cause moderate
flooding, with deep and quick flood waters inundating some
residential areas, many roads, and much of the farm land in the
Skokomish Valley. Inundated roads include the Skokomish Valley
road, Bourgault Road West, Purdy Cutoff Road, and Highway 106.
* ADDITIONAL DETAILS...
- At 2:30 PM PST Thursday the stage was 17.5 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 2:30 PM PST Thursday was 17.5 feet.
- Forecast...The river is expected to rise to a crest of 17.5
feet late this afternoon.
- Flood History...This crest compares to a previous crest of
17.5 feet on 12/20/1994.
- http://www.weather.gov/safety/flood
