* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Lower Columbia
River and Cowlitz River Valleys, Central Willamette Valley,
Tualatin Valley, Outer Southeast Portland Metro, Willapa and
Wahkiakum Lowlands, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Inner Vancouver Metro.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow. Heavier snow Saturday night
into Sunday.
* WHAT...Heavy mixed precipitation expected. Freezing rain and light
snow is expected first through Saturday morning with ice
accumulations up to a quarter of an inch. Snow then becomes
heavier with Total snow accumulations up to 12 inches Saturday
night into Sunday. Winds gusting as high as 35 mph.
* WHERE...Holden Village, Stehekin, and Stevens Pass.
* WHEN...From 1 AM Saturday to 4 PM PST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow. Heavier snow Saturday night
into Sunday.
* WHAT...Mixed precipitation expected. Total ice accumulations
around one tenth of an inch and snow accumulations up to 6 inches
above 3500 feet. Localized ice accumulations of a quarter of an
inch is possible, especially in Pend Oreille county.
* WHERE...Springdale-Hunters Road, Fruitland, Colville, Schweitzer
Mountain Road, Metaline, Tiger, Sandpoint, Athol, Orin-Rice Road,
Deer Park, Clark Fork, Flowery Trail Road, Newport, Northport,
Eastport, Priest River, Ione, Chewelah, Bonners Ferry, Kettle
Falls, and Metaline Falls.
* WHEN...From 4 AM to 10 PM PST Saturday.
* IMPACTS...Power outages and tree damage are likely due to the ice.
Travel could be nearly impossible.
* ADDITIONAL DETAILS...Additional light snow is expected in the
mountains through Sunday morning.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow. Heavier snow Saturday night
into Sunday.
* WHAT...Mixed precipitation expected. Total ice accumulations of a
tenth of an inch or less and little to no snow accumulation. Some
localized ice amounts of up to two tenths of an inch is possible
from west of Spokane towards Sprague and Creston.
* WHERE...Portions of Central, East Central, North Central, and
Northeast Washington.
* WHEN...From 4 AM to 7 PM PST Saturday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Temperatures will slowly warm above freezing
after 10am, but there will continue to be cold pockets where
freezing rain will continue through the afternoon.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow. Heavier snow Saturday night
into Sunday.
* WHAT...Mixed precipitation expected. Total snow and sleet
accumulations up to 3 inches and ice accumulations up to one
quarter of an inch.
* WHERE...Loup Loup Pass, Methow, Mazama, Conconully, Twisp, Plain,
Leavenworth, and Winthrop.
* WHEN...From 1 AM to 7 PM PST Saturday.
* IMPACTS...Power outages and tree damage are likely due to the ice.
Travel could be nearly impossible.
* WHAT...Heavy snow expected at or above elevations greater than
3000 ft. Total snow accumulations between 9 and 14 inches. Winds
gusting as high as 40 mph.
* WHERE...West Slopes North Cascades and Passes and West Slopes
North Central Cascades and Passes.
* WHEN...From 4 PM Saturday to 4 PM PST Sunday.
* IMPACTS...Travel could be very difficult to impossible.
* ADDITIONAL DETAILS...Lesser amounts are expected at Snoqualmie
Pass, around 6 to 10 inches, as temperatures are not expected to
drop below freezing until later Sunday morning.
* WHAT...Snow expected at or above elevations greater than 3000 ft.
Total snow accumulations between 6 to 10 inches. Winds gusting as
high as 45 mph.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...From 4 PM Saturday to 4 PM PST Sunday.
* IMPACTS...Plan on slippery road conditions.
...LIGHT FREEZING RAIN, MOUNTAIN SNOW EXPECTED THIS WEEKEND...
.A system moving across our region will bring areas of rain and some
light freezing rain to portions of the lower slopes of the eastern
Washington Cascades as well as the Kittitas Valley on Saturday. Then
on Sunday, areas of moderate snowfall will begin to fall across the
Washington Cascades as well as the northern Blue Mountains of both
Washington and Oregon.
* WHAT...Snow expected. Total snow accumulations of 4-6 inches.
Winds gusting as high as 40 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 4 PM Saturday to 4 PM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
...LIGHT FREEZING RAIN, MOUNTAIN SNOW EXPECTED THIS WEEKEND...
.A system moving across our region will bring areas of rain and some
light freezing rain to portions of the lower slopes of the eastern
Washington Cascades as well as the Kittitas Valley on Saturday. Then
on Sunday, areas of moderate snowfall will begin to fall across the
Washington Cascades as well as the northern Blue Mountains of both
Washington and Oregon.
* WHAT...Snow expected. Total snow accumulations up to 10 inches.
Winds gusting as high as 40 mph.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From 4 PM Saturday to 4 PM PST Sunday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
...LIGHT FREEZING RAIN, MOUNTAIN SNOW EXPECTED THIS WEEKEND...
.A system moving across our region will bring areas of rain and some
light freezing rain to portions of the lower slopes of the eastern
Washington Cascades as well as the Kittitas Valley on Saturday. Then
on Sunday, areas of moderate snowfall will begin to fall across the
Washington Cascades as well as the northern Blue Mountains of both
Washington and Oregon.
* WHAT...Freezing rain expected. Total ice accumulations around a
light glaze.
* WHERE...Kittitas Valley and Lower Slopes of the Eastern Washington
Cascades Crest.
* WHEN...From 4 AM to 4 PM PST Saturday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow.
* WHAT...Mixed precipitation expected. Total ice accumulations
around one tenth of an inch and snow accumulations up to 6 inches
above 3500 feet. Localized ice accumulations of a quarter of an
inch is possible, especially in Pend Oreille county.
* WHERE...Flowery Trail Road, Kettle Falls, Springdale-Hunters Road,
Athol, Priest River, Orin-Rice Road, Metaline, Bonners Ferry,
Newport, Tiger, Ione, Eastport, Schweitzer Mountain Road,
Chewelah, Clark Fork, Northport, Deer Park, Sandpoint, Fruitland,
Colville, and Metaline Falls.
* WHEN...From 4 AM to 10 PM PST Saturday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Additional light snow is expected in the
mountains through Sunday morning.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow.
* WHAT...Mixed precipitation expected. Total ice accumulations of a
tenth of an inch or less and little to no snow accumulation. Some
localized ice amounts of up to two tenths of an inch is possible
from west of Spokane towards Sprague and Creston.
* WHERE...Portions of Central, East Central, North Central, and
Northeast Washington.
* WHEN...From 4 AM to 7 PM PST Saturday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Temperatures will slowly warm above freezing
after 10am, but there will continue to be cold pockets where
freezing rain will continue through the afternoon.
A weather system moving into the region will bring a wintry mix of
freezing rain, sleet, rain and snow.
* WHAT...Mixed precipitation expected. Total ice accumulations
around a tenth of an inch and snow accumulations up to 3 inches in
the mountains. Precipitation will start out as freezing rain or
sleet and then transition to rain in the valleys through the day
and to snow in the mountains. There could be localized ice
accumulations up to two tenths of an inch.
* WHERE...Mazama, Twisp, Stevens Pass, Methow, Holden Village, Loup
Loup Pass, Plain, Stehekin, Conconully, Leavenworth, and Winthrop.
* WHEN...From 1 AM to 7 PM PST Saturday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Mountain snow will continue Saturday night
with additional light to moderate accumulations forecast.
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...From Saturday afternoon through Sunday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- A stronger storm system will bring 2 to 3 inches of rain,
possibly more to the Olympic mountains Friday night into
Sunday morning. With snow levels above 7000 feet for the bulk
of the precipitation, most of that will be rain and that
could be enough to drive the Skokomish River above flood
stage. The current river forecast has it cresting just below
flood stage.
- http://www.weather.gov/safety/flood
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Inner Vancouver Metro.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Lower Columbia
River and Cowlitz River Valleys, Central Willamette Valley,
Tualatin Valley, Outer Southeast Portland Metro, Willapa and
Wahkiakum Lowlands, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Inner Vancouver Metro.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Lower Columbia
River and Cowlitz River Valleys, Central Willamette Valley,
Tualatin Valley, Outer Southeast Portland Metro, Willapa and
Wahkiakum Lowlands, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.
* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions. This scenario could result in the
build up of air pollutants over time.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Lower Columbia
River and Cowlitz River Valleys, Central Willamette Valley,
Tualatin Valley, Outer Southeast Portland Metro, Willapa and
Wahkiakum Lowlands, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Saturday.
* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.
