Issued: 2:07 PM PDT Monday, March 10, 2025
by Robert Hahn

Jump to: Weather Forecast I Precipitation I Snow Level I 5000' Temps I Ridgeline Winds I Extended Weather

Weather Synopsis

A weak frontal system approaches NW Washington Monday night, spreading more clouds and some light snowfall at times into portions of the Olympics and the Mt Baker with a few flurries making it south as far as Snoqualmie Pass. Most other areas will experience some partial clearing with light W winds maintaining more low cloudcover along the west slopes of the Cascades than further east.

The weak front stalls over NW Washington early Tuesday and lifts northward as a warm front associated with an approaching low approaching the PNW nearshore waters. This feature will spread light precipitation throughout the region during the afternoon hours as SSW ridgeline winds gradually increase.

The aforementioned low tracks toward Vancouver Island Tuesday night, increasing light to moderate rain and snow along with moderate to locally strong SSW winds in areas impacted by this flow pattern such as the Mt Baker area and the Olympics.

A deep upper trough in the wake of the low begins to move onshore Wednesday as a band of light to moderate precipitation remains over the Cascades. Winds gradually ease throughout the day.

Temperatures remain near or slightly below seasonal norms throughout the period.

Weather Forecast

Olympics
West North
West Central
West South
Stevens Pass
Snoqualmie Pass
East North
East Central
East South
Mt. Hood
Use dropdown to select your zone
Monday Night Mostly cloudy with a chance of very light snow showers.
Tuesday Periods of light snow at Hurricane Ridge. Moderate snow possible at times in the in the southern Olympics by the afternoon.
Monday Night Mostly cloudy with a chance of light snow.
Tuesday A few snow showers in the morning, then light snow at times in the afternoon.
Monday Night Mostly cloudy with a slight chance of light snow.
Tuesday Mostly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon.
Monday Night Mostly cloudy.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon.
Monday Night Mostly cloudy with periods of very light snow overnight. Light ridgeline and W wind at the Pass.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon. Light ridgeline and W wind at the Pass.
Monday Night Mostly cloudy with periods of very light snow overnight. Light ridgeline and W wind at the Pass.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon. Light ridgeline and W wind at the Pass.
Monday Night Partly cloudy.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon.
Monday Night Partly cloudy to mostly clear skies.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon.
Monday Night Partly cloudy to mostly clear skies.
Tuesday Partly cloudy in the morning, then becoming cloudy with light snow at times in the afternoon.
Monday Night Mostly cloudy. Decreasing moderate ridgeline winds.
Tuesday Mostly cloudy in the morning with periods of light rain and snow in the afternoon. Increasing light to occasionally moderate ridgeline winds.

Issued: 2:07 PM PDT Monday, March 10, 2025

Precipitation (in)

Monday Night Tuesday Tuesday Night Wednesday
5 pm - 5 am 5 am - 5 pm 5 pm - 5 am 5 am - 5 pm
Hurricane Ridge LT 0.10 LT 0.10 LT 0.25 0.25
Mt Baker Ski Area LT 0.25 0.25 0.50 0.50 - 0.75
Mt. Loop - Barlow Pass LT 0.10 LT 0.10 0.25 0.25
Stevens Pass LT 0.10 LT 0.10 LT 0.25 0.25
Snoqualmie Pass LT 0.10 LT 0.10 0.25 - 0.50 0.25
Crystal Mt 0 LT 0.10 0.25 0.25
Paradise 0 LT 0.10 0.50 0.25 - 0.50
White Pass 0 LT 0.10 0.25 0.25
Washington Pass 0 LT 0.10 LT 0.25 LT 0.25
Mission Ridge 0 LT 0.10 LT 0.25 LT 0.25
Salmon la Sac - Gallagher Head 0 LT 0.10 0.25 0.25
Tieton River - Darland Mt. 0 LT 0.10 LT 0.25 0.25
Mt Hood Meadows 0 LT 0.10 0.25 0.25
Timberline 0 LT 0.10 0.25 0.25
Hurricane Ridge Precipitation (in)
Monday Night LT 0.10
Tuesday LT 0.10
Tuesday Night LT 0.25
Wednesday 0.25
Mt Baker Ski Area Precipitation (in)
Monday Night LT 0.25
Tuesday 0.25
Tuesday Night 0.50
Wednesday 0.50 - 0.75
Mt. Loop - Barlow Pass Precipitation (in)
Monday Night LT 0.10
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25
Stevens Pass Precipitation (in)
Monday Night LT 0.10
Tuesday LT 0.10
Tuesday Night LT 0.25
Wednesday 0.25
Snoqualmie Pass Precipitation (in)
Monday Night LT 0.10
Tuesday LT 0.10
Tuesday Night 0.25 - 0.50
Wednesday 0.25
Crystal Mt Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25
Paradise Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.50
Wednesday 0.25 - 0.50
White Pass Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25
Washington Pass Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night LT 0.25
Wednesday LT 0.25
Mission Ridge Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night LT 0.25
Wednesday LT 0.25
Salmon la Sac - Gallagher Head Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25
Tieton River - Darland Mt. Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night LT 0.25
Wednesday 0.25
Mt Hood Meadows Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25
Timberline Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday 0.25

Issued: 2:07 PM PDT Monday, March 10, 2025

Snow Level (ft)

Monday Evening Monday Night Tuesday Morning Tuesday Afternoon Tuesday Evening* Tuesday Night* Wednesday Morning* Wednesday Afternoon*
Olympics 2000' 1500' 2500' 3000' 2500' 2500' 2500' 3000'
West North 1500' 1500' 1500' 2500' 2500' 2500' 2500' 3000'
West Central 2000' 2000' 2000' 3000' 3000' 3000' 3000' 3500'
West South 3500' 2000' 2000' 3000' 3500' 3000' 3500' 3500'
Stevens Pass 2000' 2000' 2000' 3000' 3000' 3000' 3000' 3500'
Snoqualmie Pass 2000' 2000' 2000' 3000' 3000' 3000' 3000' 3500'
East North 2500' 1000' 500' 3000' 3000' 3000' 2500' 3500'
East Central 3500' 2500' 2500' 3000' 3000' 3000' 3000' 3500'
East South 4000' 2500' 2500' 3500' 3500' 3500' 3500' 4000'
Mt. Hood 4000' 3500' 3500' 4500' 4500' 4000' 4000' 4500'
Olympics Elevation
Monday Evening 2000'
Monday Night 1500'
Tuesday Morning 2500'
Tuesday Afternoon 3000'
Tuesday Evening* 2500'
Tuesday Night* 2500'
Wednesday Morning* 2500'
Wednesday Afternoon* 3000'
West North Elevation
Monday Evening 1500'
Monday Night 1500'
Tuesday Morning 1500'
Tuesday Afternoon 2500'
Tuesday Evening* 2500'
Tuesday Night* 2500'
Wednesday Morning* 2500'
Wednesday Afternoon* 3000'
West Central Elevation
Monday Evening 2000'
Monday Night 2000'
Tuesday Morning 2000'
Tuesday Afternoon 3000'
Tuesday Evening* 3000'
Tuesday Night* 3000'
Wednesday Morning* 3000'
Wednesday Afternoon* 3500'
West South Elevation
Monday Evening 3500'
Monday Night 2000'
Tuesday Morning 2000'
Tuesday Afternoon 3000'
Tuesday Evening* 3500'
Tuesday Night* 3000'
Wednesday Morning* 3500'
Wednesday Afternoon* 3500'
Stevens Pass Elevation
Monday Evening 2000'
Monday Night 2000'
Tuesday Morning 2000'
Tuesday Afternoon 3000'
Tuesday Evening* 3000'
Tuesday Night* 3000'
Wednesday Morning* 3000'
Wednesday Afternoon* 3500'
Snoqualmie Pass Elevation
Monday Evening 2000'
Monday Night 2000'
Tuesday Morning 2000'
Tuesday Afternoon 3000'
Tuesday Evening* 3000'
Tuesday Night* 3000'
Wednesday Morning* 3000'
Wednesday Afternoon* 3500'
East North Elevation
Monday Evening 2500'
Monday Night 1000'
Tuesday Morning 500'
Tuesday Afternoon 3000'
Tuesday Evening* 3000'
Tuesday Night* 3000'
Wednesday Morning* 2500'
Wednesday Afternoon* 3500'
East Central Elevation
Monday Evening 3500'
Monday Night 2500'
Tuesday Morning 2500'
Tuesday Afternoon 3000'
Tuesday Evening* 3000'
Tuesday Night* 3000'
Wednesday Morning* 3000'
Wednesday Afternoon* 3500'
East South Elevation
Monday Evening 4000'
Monday Night 2500'
Tuesday Morning 2500'
Tuesday Afternoon 3500'
Tuesday Evening* 3500'
Tuesday Night* 3500'
Wednesday Morning* 3500'
Wednesday Afternoon* 4000'
Mt. Hood Elevation
Monday Evening 4000'
Monday Night 3500'
Tuesday Morning 3500'
Tuesday Afternoon 4500'
Tuesday Evening* 4500'
Tuesday Night* 4000'
Wednesday Morning* 4000'
Wednesday Afternoon* 4500'

Issued: 2:07 PM PDT Monday, March 10, 2025

5000' Temperatures (°F)

Monday Night Tuesday
Max / Min Max / Min
Olympics 27 / 23 32 / 27
West North 27 / 23 31 / 23
West Central 29 / 23 33 / 23
West South 33 / 23 36 / 24
Stevens Pass 30 / 23 34 / 23
Snoqualmie Pass 29 / 23 34 / 23
East North 27 / 18 31 / 19
East Central 31 / 23 36 / 24
East South 32 / 25 37 / 27
Mt. Hood 33 / 30 39 / 29
Olympics 5000' Temperature Forecast
(Max / Min)
Monday Night 27 / 23
Tuesday 32 / 27
West North 5000' Temperature Forecast
(Max / Min)
Monday Night 27 / 23
Tuesday 31 / 23
West Central 5000' Temperature Forecast
(Max / Min)
Monday Night 29 / 23
Tuesday 33 / 23
West South 5000' Temperature Forecast
(Max / Min)
Monday Night 33 / 23
Tuesday 36 / 24
Stevens Pass 5000' Temperature Forecast
(Max / Min)
Monday Night 30 / 23
Tuesday 34 / 23
Snoqualmie Pass 5000' Temperature Forecast
(Max / Min)
Monday Night 29 / 23
Tuesday 34 / 23
East North 5000' Temperature Forecast
(Max / Min)
Monday Night 27 / 18
Tuesday 31 / 19
East Central 5000' Temperature Forecast
(Max / Min)
Monday Night 31 / 23
Tuesday 36 / 24
East South 5000' Temperature Forecast
(Max / Min)
Monday Night 32 / 25
Tuesday 37 / 27
Mt. Hood 5000' Temperature Forecast
(Max / Min)
Monday Night 33 / 30
Tuesday 39 / 29

Issued: 2:07 PM PDT Monday, March 10, 2025

Ridgeline Winds (mph)

Monday Evening Monday Night Tuesday Morning Tuesday Afternoon
Olympics SW 5-15 SW 5-15 SW 5-15 SSW 5-15
West North SSW 5-15 SSW 10-20 SW 5-15 S 5-15
West Central WSW 5-15 WSW 10-20 SSW 5-15 SSW 0-10
West South WSW 5-15 WSW 5-15 WSW 0-10 SSW 5-15
Stevens Pass W 5-15 WSW 5-15 WSW 0-10 S 0-10
Snoqualmie Pass W 5-15 W 10-20 WSW 0-10 S 0-10
East North WSW 10-20 WSW 5-15 WSW 5-15 S 0-10
East Central W 10-20 W 10-20 W 5-15 SSW 5-15
East South W 5-15 W 10-20 WSW 0-10 SSW 0-10
Mt. Hood WSW 20-30 WSW 15-25 SW 5-15 SW 10-20
Olympics Ridgeline Winds (mph)
Monday Evening SW 5-15
Monday Night SW 5-15
Tuesday Morning SW 5-15
Tuesday Afternoon SSW 5-15
West North Ridgeline Winds (mph)
Monday Evening SSW 5-15
Monday Night SSW 10-20
Tuesday Morning SW 5-15
Tuesday Afternoon S 5-15
West Central Ridgeline Winds (mph)
Monday Evening WSW 5-15
Monday Night WSW 10-20
Tuesday Morning SSW 5-15
Tuesday Afternoon SSW 0-10
West South Ridgeline Winds (mph)
Monday Evening WSW 5-15
Monday Night WSW 5-15
Tuesday Morning WSW 0-10
Tuesday Afternoon SSW 5-15
Stevens Pass Ridgeline Winds (mph)
Monday Evening W 5-15
Monday Night WSW 5-15
Tuesday Morning WSW 0-10
Tuesday Afternoon S 0-10
Snoqualmie Pass Ridgeline Winds (mph)
Monday Evening W 5-15
Monday Night W 10-20
Tuesday Morning WSW 0-10
Tuesday Afternoon S 0-10
East North Ridgeline Winds (mph)
Monday Evening WSW 10-20
Monday Night WSW 5-15
Tuesday Morning WSW 5-15
Tuesday Afternoon S 0-10
East Central Ridgeline Winds (mph)
Monday Evening W 10-20
Monday Night W 10-20
Tuesday Morning W 5-15
Tuesday Afternoon SSW 5-15
East South Ridgeline Winds (mph)
Monday Evening W 5-15
Monday Night W 10-20
Tuesday Morning WSW 0-10
Tuesday Afternoon SSW 0-10
Mt. Hood Ridgeline Winds (mph)
Monday Evening WSW 20-30
Monday Night WSW 15-25
Tuesday Morning SW 5-15
Tuesday Afternoon SW 10-20

Issued: 2:07 PM PDT Monday, March 10, 2025

Extended Weather Synopsis

A deep trough ushers in colder temperatures Wednesday night into Thursday with primarily light showers. Expect afternoon instability showers to bring more intense snowfall at times with W flow aloft. The trough flattens Thursday night into Friday. Another system approaches the coast and may begin to bring more light snowfall Friday afternoon. Temperatures should be below seasonal norms.

Extended Snow Level (ft)

Wednesday Night Thursday Thursday Night Friday
West North 2500' 1500' 1000' 1000'
Snoqualmie Pass 3000' 2000' 1500' 1500'
Mt. Hood 3500' 2500' 1500' 2000'
West North Elevation
Wednesday Night 2500'
Thursday 1500'
Thursday Night 1000'
Friday 1000'
Snoqualmie Pass Elevation
Wednesday Night 3000'
Thursday 2000'
Thursday Night 1500'
Friday 1500'
Mt. Hood Elevation
Wednesday Night 3500'
Thursday 2500'
Thursday Night 1500'
Friday 2000'

Jump to: Weather Forecast I Precipitation I Snow Level I 5000' Temps I Ridgeline Winds I Extended Weather

Previous forecast from Mar 10, 2025

The NWAC program is administered by the USDA-Forest Service and operates from the National Weather Service Forecast Office in Seattle. NWAC services are made possible by important collaboration and support from a wide variety of federal, state and private cooperators.

The 5000’ temperature forecast does not imply a trend over the 12 hr period and only represents the max and min temperatures within a 12 hr period in the zone. The 6-hr snow level forecast, the forecast discussion, and weather forecast sections may add detail regarding temperature trends.

The snow level forecast represents the general snow level over a 6 hr time period. Freezing levels are forecast when precipitation is not expected.

*Easterly or offshore flow is highlighted with an asterisk when we expect relatively cool east winds in the major Cascade Passes. Easterly flow will often lead to temperature inversions and is a key variable for forecasting precipitation type in the Cascade Passes. Strong easterly flow events can affect terrain on a more regional scale.

Ridgeline winds are the average wind speed and direction over a 6 hr time period.

The wind forecast represents an elevation range instead of a single elevation slice. The elevation range overlaps with the near and above treeline elevation bands in the avalanche forecast and differs per zone.

Wind direction indicates the direction the wind originates or comes from on the 16-point compass rose.

Water Equivalent (WE) is the liquid water equivalent of all precipitation types; rain, snow, ice pellets, etc., forecast to the hundredth of an inch at specific locations. To use WE as a proxy for snowfall amounts, start with a snow to water ratio of 10:1 (10 inches of snow = 1 inch WE). Temperatures at or near freezing will generally have a lower ratio (heavy wet snow) and very cold temperatures can have a much higher ratio (dry fluffy snow).

The label LT, is shorthand for ‘less than’.