Issued: 7:06 AM PST Tuesday, February 4, 2025
by Robert Hahn

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

Weather Synopsis

A cold upper low continues to rotate off the Pacific Northwest coastline, driving mostly light low-level E flow through the mountain gaps. The low continues to usher light to moderate Fraser outflow winds into western Watcom County through the short-term forecast. Generally, light snow shower activity focuses on the Olympics and the northern half of the Washington Cascades early Wednesday. The upper-level steering winds around the low should guide the shower activity northward, decreasing shower activity over the Cascades and increasing the chances of sunshine as the day progresses. Satellite imagery shows additional snow shower activity offshore that will continue to rotate into the Olympics through the afternoon.

The center of cold upper low retrogrades westward Tuesday evening, further decreasing shower activity. A surface feature associated with the upper low likely pivots toward the mouth of the Columbia River overnight, resulting in some increased light snow shower activity for Mt Hood and SW Washington. Expect light to moderate snow showers for the southern half of the Washington Cascades with more isolated snow shower activity further north. Mt Hood can expect 3-6" with this feature, while areas further north can expect 1-4" of snow.

 

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
Tuesday Isolated light snow showers in the morning. Periods of steadier light snow in the afternoon.
Tuesday Night Decreasing chances of light snow or snow showers.
Tuesday Light snow showers, primarily in the morning hours, then some sun breaks in the afternoon.
Tuesday Night Mostly clear in the evening, then becoming mostly cloudy in the early morning hours.
Tuesday Light snow showers, primarily in the morning hours, then some sun breaks in the afternoon.
Tuesday Night Partly cloudy with clouds increasing in the early morning hours.
Tuesday Mostly cloudy in the morning with decreasing chances of an isolated snow shower or flurry.
Tuesday Night Increasing chances of isolated light snow showers.
Tuesday A chance of isolated snow showers in the morning, then becoming mostly cloudy. Light ridgeline and E wind at the Pass.
Tuesday Night Mostly cloudy with some snow flurries. Light ridgeline and E wind at the Pass.
Tuesday A chance of isolated snow showers in the morning, then becoming mostly cloudy. Light ridgeline and E wind at the Pass.
Tuesday Night Mostly cloudy with some snow flurries. Light ridgeline and E wind at the Pass.
Tuesday A chance of isolated snow showers in the morning, then becoming mostly cloudy.
Tuesday Night Mostly cloudy with some snow flurries.
Tuesday A chance of isolated snow showers in the morning, then becoming mostly cloudy.
Tuesday Night Mostly cloudy with some snow flurries.
Tuesday Mostly cloudy in the morning, then becoming partly cloudy in the afternoon.
Tuesday Night Isolated light snow showers.
Tuesday Mostly cloudy with isolated snow showers and flurries. Light to occasionally moderate ridgeline winds.
Tuesday Night Isolated light snow showers become scattered overnight. Increasing light to moderate ridgeline winds.

Precipitation (in)

Tuesday Tuesday Night Wednesday
4 am - 4 pm 4 pm - 4 am 4 am - 4 pm
Hurricane Ridge LT 0.10 LT 0.10 LT 0.10
Mt Baker Ski Area LT 0.10 0 LT 0.10
Mt. Loop - Barlow Pass LT 0.10 0 LT 0.10
Stevens Pass LT 0.10 0 LT 0.10
Snoqualmie Pass LT 0.10 0 LT 0.10
Crystal Mt 0 LT 0.10 LT 0.10
Paradise 0 LT 0.10 0.25
White Pass 0 LT 0.10 LT 0.10
Washington Pass LT 0.10 0 LT 0.10
Mission Ridge LT 0.10 LT 0.10 LT 0.10
Salmon la Sac - Gallagher Head LT 0.10 0 LT 0.10
Tieton River - Darland Mt. 0 LT 0.10 LT 0.10
Mt Hood Meadows LT 0.10 LT 0.10 0.25
Timberline LT 0.10 LT 0.10 0.25
Hurricane Ridge Precipitation (in)
Tuesday LT 0.10
Tuesday Night LT 0.10
Wednesday LT 0.10
Mt Baker Ski Area Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Mt. Loop - Barlow Pass Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Stevens Pass Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Snoqualmie Pass Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Crystal Mt Precipitation (in)
Tuesday 0
Tuesday Night LT 0.10
Wednesday LT 0.10
Paradise Precipitation (in)
Tuesday 0
Tuesday Night LT 0.10
Wednesday 0.25
White Pass Precipitation (in)
Tuesday 0
Tuesday Night LT 0.10
Wednesday LT 0.10
Washington Pass Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Mission Ridge Precipitation (in)
Tuesday LT 0.10
Tuesday Night LT 0.10
Wednesday LT 0.10
Salmon la Sac - Gallagher Head Precipitation (in)
Tuesday LT 0.10
Tuesday Night 0
Wednesday LT 0.10
Tieton River - Darland Mt. Precipitation (in)
Tuesday 0
Tuesday Night LT 0.10
Wednesday LT 0.10
Mt Hood Meadows Precipitation (in)
Tuesday LT 0.10
Tuesday Night LT 0.10
Wednesday 0.25
Timberline Precipitation (in)
Tuesday LT 0.10
Tuesday Night LT 0.10
Wednesday 0.25

Snow Level (ft)

Tuesday Morning* Tuesday Afternoon* Tuesday Evening* Tuesday Night* Wednesday Morning* Wednesday Afternoon
Olympics 0 0 0 0 0 0
West North 0 0 0 0 0 0
West Central 0 0 0 0 0 0
West South 0 1500' 0 0 0 0
Stevens Pass 0 0 0 0 0 0
Snoqualmie Pass 0 0 0 0 0 0
East North 0 0 0 0 0 0
East Central 0 0 0 0 0 0
East South 0 1500' 0 0 0 0
Mt. Hood 0 2000' 0 0 0 1000'
Olympics Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
West North Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
West Central Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
West South Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 1500'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
Stevens Pass Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
Snoqualmie Pass Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
East North Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
East Central Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 0'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
East South Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 1500'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 0'
Mt. Hood Elevation
Tuesday Morning* 0'
Tuesday Afternoon* 2000'
Tuesday Evening* 0'
Tuesday Night* 0'
Wednesday Morning* 0'
Wednesday Afternoon 1000'

5000' Temperatures (°F)

Tuesday Tuesday Night
Max / Min Max / Min
Olympics 20 / 10 16 / 10
West North 20 / 15 14 / 9
West Central 20 / 14 14 / 12
West South 22 / 11 17 / 13
Stevens Pass 21 / 15 13 / 12
Snoqualmie Pass 22 / 15 14 / 11
East North 17 / 9 10 / 3
East Central 19 / 13 14 / 10
East South 22 / 13 15 / 11
Mt. Hood 24 / 11 20 / 17
Olympics 5000' Temperature Forecast
(Max / Min)
Tuesday 20 / 10
Tuesday Night 16 / 10
West North 5000' Temperature Forecast
(Max / Min)
Tuesday 20 / 15
Tuesday Night 14 / 9
West Central 5000' Temperature Forecast
(Max / Min)
Tuesday 20 / 14
Tuesday Night 14 / 12
West South 5000' Temperature Forecast
(Max / Min)
Tuesday 22 / 11
Tuesday Night 17 / 13
Stevens Pass 5000' Temperature Forecast
(Max / Min)
Tuesday 21 / 15
Tuesday Night 13 / 12
Snoqualmie Pass 5000' Temperature Forecast
(Max / Min)
Tuesday 22 / 15
Tuesday Night 14 / 11
East North 5000' Temperature Forecast
(Max / Min)
Tuesday 17 / 9
Tuesday Night 10 / 3
East Central 5000' Temperature Forecast
(Max / Min)
Tuesday 19 / 13
Tuesday Night 14 / 10
East South 5000' Temperature Forecast
(Max / Min)
Tuesday 22 / 13
Tuesday Night 15 / 11
Mt. Hood 5000' Temperature Forecast
(Max / Min)
Tuesday 24 / 11
Tuesday Night 20 / 17

Ridgeline Winds (mph)

Tuesday Morning Tuesday Afternoon Tuesday Evening Tuesday Night
Olympics S 0-10 SE 0-10 ESE 0-10 SE 0-10
West North SSE 5-15 ESE 0-10 ENE 5-15 ESE 0-10
West Central SSE 0-10 ESE 0-10 ESE 0-10 SSE 0-10
West South SSW 0-10 SE 0-10 SE 0-10 WSW 0-10
Stevens Pass SSE 0-10 E 0-10 ESE 5-15 SSE 5-15
Snoqualmie Pass ESE 0-10 ESE 5-15 ESE 5-15 SE 0-10
East North SSE 0-10 ESE 0-10 E 5-15 S 0-10
East Central SSW 0-10 SE 0-10 ESE 5-15 SSW 5-15
East South SW 0-10 SE 0-10 SSE 0-10 SSW 0-10
Mt. Hood SW 5-15 S 5-15 SSW 5-15 WSW 10-20
Olympics Ridgeline Winds (mph)
Tuesday Morning S 0-10
Tuesday Afternoon SE 0-10
Tuesday Evening ESE 0-10
Tuesday Night SE 0-10
West North Ridgeline Winds (mph)
Tuesday Morning SSE 5-15
Tuesday Afternoon ESE 0-10
Tuesday Evening ENE 5-15
Tuesday Night ESE 0-10
West Central Ridgeline Winds (mph)
Tuesday Morning SSE 0-10
Tuesday Afternoon ESE 0-10
Tuesday Evening ESE 0-10
Tuesday Night SSE 0-10
West South Ridgeline Winds (mph)
Tuesday Morning SSW 0-10
Tuesday Afternoon SE 0-10
Tuesday Evening SE 0-10
Tuesday Night WSW 0-10
Stevens Pass Ridgeline Winds (mph)
Tuesday Morning SSE 0-10
Tuesday Afternoon E 0-10
Tuesday Evening ESE 5-15
Tuesday Night SSE 5-15
Snoqualmie Pass Ridgeline Winds (mph)
Tuesday Morning ESE 0-10
Tuesday Afternoon ESE 5-15
Tuesday Evening ESE 5-15
Tuesday Night SE 0-10
East North Ridgeline Winds (mph)
Tuesday Morning SSE 0-10
Tuesday Afternoon ESE 0-10
Tuesday Evening E 5-15
Tuesday Night S 0-10
East Central Ridgeline Winds (mph)
Tuesday Morning SSW 0-10
Tuesday Afternoon SE 0-10
Tuesday Evening ESE 5-15
Tuesday Night SSW 5-15
East South Ridgeline Winds (mph)
Tuesday Morning SW 0-10
Tuesday Afternoon SE 0-10
Tuesday Evening SSE 0-10
Tuesday Night SSW 0-10
Mt. Hood Ridgeline Winds (mph)
Tuesday Morning SW 5-15
Tuesday Afternoon S 5-15
Tuesday Evening SSW 5-15
Tuesday Night WSW 10-20

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

Previous forecast from Feb 3, 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’.