Issued: 2:31 PM PDT Monday, April 13, 2026
by Sam Clairmont

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

Weather Synopsis

It’s a relatively mild afternoon across the Cascades, with lingering showers along the southern west slopes and low clouds hanging over the majority of the forecast region. Areas east of the Crest have stayed mostly dry, with lesser cloud cover and generally warmer weather. Temperatures will continue to cool tonight into Tuesday morning, dropping snow levels to around 3,000 feet by early morning.

A deep upper-level low will move south along the coast of British Columbia overnight into Tuesday, setting up a prolonged stretch of moisture and colder air across the region. The bulk of the action will fall between Tuesday morning and Wednesday morning.

Tuesday itself will be wet and windy. Precipitation should reach the Olympics and West North zones by first light, spreading south, and reaching Mt. Hood around midday. Snow levels will briefly bump up to near 4,000 feet during the day as precipitation arrives, but it won't last long. 

The initial phase of the system brings a southwesterly flow, favoring heavier precipitation across the West North, especially around Mt. Baker. As moisture pushes south, heavier mountain snow will extend into the southern zones, with Paradise, Mount Saint Helens, and Mt Hood standing out. As precipitation fills inland, there could be decent spillover to the east side, with the greatest snow totals closer to the Crest.

Ridgeline winds will turn up as the system arrives, with most zones seeing speeds near the strong range through Tuesday.

Tuesday night, Snow levels drop below the passes, and moderate snowfall continues through much of the night. Late Tuesday night, the upper-level flow shifts more westerly, and precipitation begins tapering off from north to south.

Post-frontal showers stick around into Wednesday, while winds ease, and snow levels stay well below trailheads and passes. Wednesday could present a proper springtime winter day in the mountains. There's also a slight chance of some thunderstorm development off the coast of the Olympics.

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.
Tuesday Snow, with strong wind at ridgeline.
Monday Night Rain and mountain snow. Increasing light to moderate ridgeline wind.
Tuesday Moderate to heavy rain and mountain snow. Strong ridgeline wind.
Monday Night Rain and mountain snow. Increasing light to moderate ridgeline wind.
Tuesday Moderate to heavy rain and mountain snow. Strong ridgeline wind.
Monday Night Light rain and mountain snow. Increasing light to moderate ridgeline wind.
Tuesday Rain and mountain snow, increasing through the day. Moderate to strong ridgeline wind.
Monday Night Light rain and mountain snow. Moderate ridgeline, and west wind at Pass level.
Tuesday Rain and mountain snow, increasing through the day. Moderate to strong ridgeline, and west wind at the Pass.
Monday Night Light rain and mountain snow. Moderate ridgeline, and west wind at Pass level.
Tuesday Rain and mountain snow, increasing through the day. Moderate to strong ridgeline, and west wind at the Pass.
Monday Night Mostly cloudy with a chance of rain and mountain snow. Light to moderate ridgeline wind.
Tuesday Rain and mountain snow, increasing through the day. Moderate to strong ridgeline.
Monday Night Mostly cloudy, with moderate to strong ridgeline wind.
Tuesday Rain and mountain snow. Moderate to strong ridgeline wind.
Monday Night Mostly cloudy. Light to moderate ridgeline wind.
Tuesday Light rain and mountain snow, increasing in the afternoon. Light to moderate ridgeline wind.
Monday Night Lingering light rain and mountain snow. Moderate ridgeline wind.
Tuesday Rain and mountain snow, mainly in the afternoon. Strong ridgeline wind.

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 0 0.50 - 0.75 0.25 LT 0.25
Mt Baker Ski Area 0.25 1.00 - 1.50 0.50 LT 0.25
Mt. Loop - Barlow Pass LT 0.25 0.75 0.75 LT 0.25
Stevens Pass LT 0.25 0.25 - 0.50 0.75 LT 0.25
Snoqualmie Pass LT 0.25 0.25 - 0.50 0.75 0.25
Crystal Mt LT 0.10 0.25 0.50 LT 0.25
Paradise LT 0.10 0.50 - 0.75 1.00 - 1.50 0.25
White Pass LT 0.10 0.25 0.75 LT 0.25
Washington Pass LT 0.10 0.25 - 0.50 0.25 - 0.50 LT 0.10
Mission Ridge 0 LT 0.10 0.25 LT 0.10
Salmon la Sac - Gallagher Head LT 0.10 0.25 0.50 - 0.75 LT 0.10
Tieton River - Darland Mt. 0 LT 0.25 0.25 - 0.50 LT 0.25
Mt Hood Meadows LT 0.10 0.25 1.00 - 1.50 0.75
Timberline LT 0.10 0.25 1.50 0.75
Hurricane Ridge Precipitation (in)
Monday Night 0
Tuesday 0.50 - 0.75
Tuesday Night 0.25
Wednesday LT 0.25
Mt Baker Ski Area Precipitation (in)
Monday Night 0.25
Tuesday 1.00 - 1.50
Tuesday Night 0.50
Wednesday LT 0.25
Mt. Loop - Barlow Pass Precipitation (in)
Monday Night LT 0.25
Tuesday 0.75
Tuesday Night 0.75
Wednesday LT 0.25
Stevens Pass Precipitation (in)
Monday Night LT 0.25
Tuesday 0.25 - 0.50
Tuesday Night 0.75
Wednesday LT 0.25
Snoqualmie Pass Precipitation (in)
Monday Night LT 0.25
Tuesday 0.25 - 0.50
Tuesday Night 0.75
Wednesday 0.25
Crystal Mt Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25
Tuesday Night 0.50
Wednesday LT 0.25
Paradise Precipitation (in)
Monday Night LT 0.10
Tuesday 0.50 - 0.75
Tuesday Night 1.00 - 1.50
Wednesday 0.25
White Pass Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25
Tuesday Night 0.75
Wednesday LT 0.25
Washington Pass Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25 - 0.50
Tuesday Night 0.25 - 0.50
Wednesday LT 0.10
Mission Ridge Precipitation (in)
Monday Night 0
Tuesday LT 0.10
Tuesday Night 0.25
Wednesday LT 0.10
Salmon la Sac - Gallagher Head Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25
Tuesday Night 0.50 - 0.75
Wednesday LT 0.10
Tieton River - Darland Mt. Precipitation (in)
Monday Night 0
Tuesday LT 0.25
Tuesday Night 0.25 - 0.50
Wednesday LT 0.25
Mt Hood Meadows Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25
Tuesday Night 1.00 - 1.50
Wednesday 0.75
Timberline Precipitation (in)
Monday Night LT 0.10
Tuesday 0.25
Tuesday Night 1.50
Wednesday 0.75

Snow Level (ft)

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

5000' Temperatures (°F)

Monday Night Tuesday
Max / Min Max / Min
Olympics 33 / 27 32 / 27
West North 32 / 27 32 / 25
West Central 32 / 27 31 / 25
West South 32 / 27 32 / 27
Stevens Pass 31 / 26 32 / 27
Snoqualmie Pass 31 / 26 31 / 27
East North 34 / 27 33 / 25
East Central 34 / 27 33 / 27
East South 36 / 27 34 / 27
Mt. Hood 33 / 27 33 / 27
Olympics 5000' Temperature Forecast
(Max / Min)
Monday Night 33 / 27
Tuesday 32 / 27
West North 5000' Temperature Forecast
(Max / Min)
Monday Night 32 / 27
Tuesday 32 / 25
West Central 5000' Temperature Forecast
(Max / Min)
Monday Night 32 / 27
Tuesday 31 / 25
West South 5000' Temperature Forecast
(Max / Min)
Monday Night 32 / 27
Tuesday 32 / 27
Stevens Pass 5000' Temperature Forecast
(Max / Min)
Monday Night 31 / 26
Tuesday 32 / 27
Snoqualmie Pass 5000' Temperature Forecast
(Max / Min)
Monday Night 31 / 26
Tuesday 31 / 27
East North 5000' Temperature Forecast
(Max / Min)
Monday Night 34 / 27
Tuesday 33 / 25
East Central 5000' Temperature Forecast
(Max / Min)
Monday Night 34 / 27
Tuesday 33 / 27
East South 5000' Temperature Forecast
(Max / Min)
Monday Night 36 / 27
Tuesday 34 / 27
Mt. Hood 5000' Temperature Forecast
(Max / Min)
Monday Night 33 / 27
Tuesday 33 / 27

Ridgeline Winds (mph)

Monday Evening Monday Night Tuesday Morning Tuesday Afternoon
Olympics SW 10-20 SW 10-20 SW 20-30 SW 25-35
West North SW 10-20 SW 10-20 SSW 20-30 SSW 20-30
West Central W 10-20 WSW 10-20 SW 15-25 SW 20-30
West South W 5-15 SW 10-20 SW 15-25 SW 20-30
Stevens Pass W 10-20 WSW 10-20 WSW 10-20 WSW 15-25
Snoqualmie Pass W 15-25 W 15-25 WSW 20-30 WSW 25-35
East North W 15-25 WSW 15-25 SW 10-20 SW 20-30
East Central W 20-30 W 20-30 W 20-30 WSW 25-35
East South W 15-25 W 10-20 W 10-20 WSW 15-25
Mt. Hood WSW 15-25 WSW 10-20 SW 15-25 WSW 30-40
Olympics Ridgeline Winds (mph)
Monday Evening SW 10-20
Monday Night SW 10-20
Tuesday Morning SW 20-30
Tuesday Afternoon SW 25-35
West North Ridgeline Winds (mph)
Monday Evening SW 10-20
Monday Night SW 10-20
Tuesday Morning SSW 20-30
Tuesday Afternoon SSW 20-30
West Central Ridgeline Winds (mph)
Monday Evening W 10-20
Monday Night WSW 10-20
Tuesday Morning SW 15-25
Tuesday Afternoon SW 20-30
West South Ridgeline Winds (mph)
Monday Evening W 5-15
Monday Night SW 10-20
Tuesday Morning SW 15-25
Tuesday Afternoon SW 20-30
Stevens Pass Ridgeline Winds (mph)
Monday Evening W 10-20
Monday Night WSW 10-20
Tuesday Morning WSW 10-20
Tuesday Afternoon WSW 15-25
Snoqualmie Pass Ridgeline Winds (mph)
Monday Evening W 15-25
Monday Night W 15-25
Tuesday Morning WSW 20-30
Tuesday Afternoon WSW 25-35
East North Ridgeline Winds (mph)
Monday Evening W 15-25
Monday Night WSW 15-25
Tuesday Morning SW 10-20
Tuesday Afternoon SW 20-30
East Central Ridgeline Winds (mph)
Monday Evening W 20-30
Monday Night W 20-30
Tuesday Morning W 20-30
Tuesday Afternoon WSW 25-35
East South Ridgeline Winds (mph)
Monday Evening W 15-25
Monday Night W 10-20
Tuesday Morning W 10-20
Tuesday Afternoon WSW 15-25
Mt. Hood Ridgeline Winds (mph)
Monday Evening WSW 15-25
Monday Night WSW 10-20
Tuesday Morning SW 15-25
Tuesday Afternoon WSW 30-40

Extended Weather Synopsis

High pressure builds back in over the Cascades starting Wednesday night, bringing drier weather for Thursday and Friday. Cooler temperatures will continue Wednesday night into Thursday, with stronger daytime warming to follow. A gradual warming trend will lead into Friday. 

Extended Snow Level (ft)

Wednesday Night Thursday Thursday Night Friday
West North 1500' 4000' 1500' 4000'
Snoqualmie Pass 1500' 4000' 3000' 4500'
Mt. Hood 1500' 3000' 2500' 5000'
West North Elevation
Wednesday Night 1500'
Thursday 4000'
Thursday Night 1500'
Friday 4000'
Snoqualmie Pass Elevation
Wednesday Night 1500'
Thursday 4000'
Thursday Night 3000'
Friday 4500'
Mt. Hood Elevation
Wednesday Night 1500'
Thursday 3000'
Thursday Night 2500'
Friday 5000'

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

Previous forecast from Apr 13, 2026

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’.

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