A frontal system moving through the area Saturday evening will lead
to moderate to locally heavy snow showers in the Cascades Saturday
night into early Sunday morning, including the passes.
* WHAT...Snow expected above 4500 feet. Total snow accumulations of
4 to 8 inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...From 5 PM PDT this afternoon to 4 AM PST Sunday.
* IMPACTS...Travel could be very difficult.
* WHAT...Snow at or above elevations greater than 3500 ft.
Additional snow accumulations up to 6 to 11 inches.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Travel could be very difficult.
* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
above 4500 feet, with lower accumulations between 3500 and 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 5 AM PDT early this morning to 4 PM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Heaviest snowfall is forecast Saturday night
and Sunday.
* WHAT...Moderate snow accumulations. Additional snow accumulations
4 to 8 inches above 4000 feet.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Additional snow accumulations in the White
Pass area are expected through Sunday morning.
* WHAT...Heavy wet snow. Additional snow accumulations up to one
inch above 4500 feet.
* WHERE...Sherman Pass.
* WHEN...Until 5 AM PDT early this morning.
* IMPACTS...Expect winter driving conditions over Sherman Pass.
* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
above 4500 feet, with lower accumulations between 3500 and 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 5 AM PDT Saturday to 4 PM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Heaviest snowfall is forecast Saturday night
and Sunday.
* WHAT...Snow. Additional snow accumulations up to 3 inches above
4000 feet.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Plan on slippery road conditions.
Precipitation is not producing significant or any snow accumulation
at this time and is beginning to lighten and fall as rain.
* WHAT...Heavy snow at or above elevations greater than 5000 ft.
Additional snow accumulations between 1 and 6 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday evening commute.
* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
above 4500 feet, with lower accumulations between 3500 and 4500
feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 5 AM PDT Saturday to 4 PM PST Sunday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Heaviest snowfall is forecast Saturday night
and Sunday.
* WHAT...Snow. Additional snow accumulations up to 3 inches above
4000 feet.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Heavy snow. Additional snow accumulations of 2 to 5 inches.
* WHERE...Washington Pass, Boulder Creek Road, Wauconda, Loup Loup
Pass, Sherman Pass, Chesaw Road, and Highway 20 Wauconda Summit.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Travel could be very difficult. Expect winter driving
conditions on the Highway 20 mountain passes.
* ADDITIONAL DETAILS...Snow will more likely accumulate again as
temperatures cool overnight Friday into Saturday morning.
* WHAT...Snow. Additional snow accumulations of 3 to 6 inches.
* WHERE...Holden Village and Stevens Pass.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Travel could be difficult. Expect winter driving
conditions at Stevens Pass.
* ADDITIONAL DETAILS...Snow will more likely accumulate again as
temperatures cool overnight Friday into early Saturday morning.
...The National Weather Service in Seattle WA has issued a Flood
Warning for the following rivers in Washington...
Skokomish River At Potlatch affecting Mason County.
.Persistent wet weather over the area has caused sharp rises in the
Skokomish river, with flooding expected to begin this evening. As
rain continues over the weekend, these higher water levels may
linger.
* WHAT...Minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...From this afternoon to tomorrow morning.
* 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 PDT Friday the stage was 15.5 feet.
- Flood stage is 16.5 feet.
- Forecast...The river will rise above flood stage this
afternoon to 17.0 feet early this evening. It will then fall
below flood stage tonight to 14.4 feet by late Monday
morning. It will rise to 15.1 feet early Tuesday morning. It
will then fall again and remain below flood stage.
- Flood History...This crest compares to a previous crest of
16.8 feet on 11/23/1990.
- http://www.weather.gov/safety/flood
* WHAT...Snow expected mainly above 4000 feet. Additional snow
accumulations between 3 and 7 inches.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH TODAY...
.Snow showers will continue through this afternoon. Highest
accumulations will be above 4500 feet in the central Oregon Cascades.
* WHAT...Wet snow. Additional snow accumulations up to 3 inches.
Locally higher amounts on the volcanos.
* WHERE...In Oregon, North Oregon Cascades. In Washington, South
Washington Cascades.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions. The hazardous conditions could impact the Friday
morning and evening commutes.
* WHAT...Heavy snow at or above elevations greater than 5000 ft.
Total snow accumulations between 8 and 14 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Travel could be very difficult to impossible.
* WHAT...Snow at or above elevations greater than 4000 ft.
Additional snow accumulations up to 6 inches.
* WHERE...West Slopes North Central Cascades and Passes.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Travel could be difficult.
* WHAT...Snow at or above elevations greater than 4000 ft.
Additional snow accumulations of 6 to 18 inches.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday morning and evening
commutes.
* ADDITIONAL DETAILS...The heaviest snowfall amounts will be above
5000 feet.
