Mountain Weather Forecast
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I I Extended Weather
Weather Synopsis for Friday night through Sunday
A blocking ridge of high pressure will dominate our weather picture in both the short and long term. The offshore high shifts eastward toward the Coastline Friday night as weak disturbances ride over the top. These will continue to bring some snow flurries to the western slopes of the Olympics and the Mt Baker area, perhaps through Saturday morning. Following another chilly start to the day on Saturday, milder temperatures push northward. More significant warming arrives Saturday night and Sunday as low-level E winds develop. Thanks to the relatively stagnant air mass, colder air can still be found in deep valleys, through the mountain gaps, and in low-lying areas east of the Cascade Crest. The inversion strengthens during the night and diminishes by late morning. In some cases, it may be accompanied by a persistent low cloud deck below 2000-3000 ft. These inversions are likely to create multiple freezing levels in some of the aforementioned locations. The primary freezing level will rise to 10,000 ft for Mt Hood and 4500 ft for Mt Baker on Saturday afternoon. By Sunday afternoon, freezing levels will rise to 8,000 to 11,500 ft across the region.
Weather Forecast
Olympics
| Friday Night | Mostly cloudy with snow flurries possible along the western part of the range. |
| Saturday | Partly cloudy with snow flurries possible along the western part of the range. |
West North
| Friday Night | Mostly cloudy with scattered very light snow or snow showers. |
| Saturday | Mostly cloudy with a few lingering very snow showers. |
West Central
| Friday Night | Partly to mostly cloudy. |
| Saturday | Partly cloudy with clouds decreasing. |
West South
| Friday Night | Partly cloudy. Also some mid and high cloud cover. |
| Saturday | More sun than clouds with clouds decreasing in the afternoon. |
Stevens Pass
| Friday Night | Partly cloudy. Also some mid and high cloud cover. Light ridgeline and variable wind at the Pass. |
| Saturday | Partly cloudy with decreasing clouds in the afternoon. Light ridgeline and variable wind at the Pass. |
Snoqualmie Pass
| Friday Night | Partly cloudy. Also some mid and high cloud cover. Light ridgeline and variable wind at the Pass. |
| Saturday | Partly cloudy with decreasing clouds in the afternoon. Light ridgeline and variable wind at the Pass. |
East North
| Friday Night | Mostly cloudy with isolated snow flurries. |
| Saturday | Mostly cloudy with isolated snow flurries. Inversion conditions until around 10 AM. |
East Central
| Friday Night | Some mid and high cloud cover. |
| Saturday | Filtered sunshine in the morning, then full sunshine in the afternoon. Inversion conditions until around 10 AM. |
East South
| Friday Night | Mostly clear with some high and mid-level clouds. |
| Saturday | Filtered sunshine in the morning, then full sunshine in the afternoon. Inversion conditions until around 10 AM. |
Mt. Hood
| Friday Night | Mostly clear with some thin high clouds. |
| Saturday | Mostly sunny and mild with decreasing high clouds. |
Issued: 2:45 PM PST Friday, November 29, 2024
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Friday Evening | Snow Level | None' | None' | None' | None' | 2500' | 2500' | None' | 5000' |
| Friday Night | Snow Level | None' | None' | None' | None' | 2500' | 2500' | None' | 4000' |
| Saturday Morning | Snow Level | None' | None' | None' | None' | 2500' | 2500' | None' | 5500' |
| Saturday Afternoon | Snow Level | None' | None' | None' | None' | 3500' | 4000' | None' | 10000' |
| Saturday Evening | Snow Level* | None' | None' | None' | None' | 6000' | 6500' | None' | 9500' |
| Saturday Night | Snow Level* | None' | None' | None' | None' | 7000' | 7500' | None' | 9500' |
| Sunday Morning | Snow Level* | None' | None' | None' | None' | 8500' | 9000' | None' | 10500' |
| Sunday Afternoon | Snow Level* | None' | None' | None' | None' | 9000' | 10000' | None' | 11500' |
| Hurricane Ridge | Elevation |
|---|---|
| Friday Evening |
Snow Level None' |
| Friday Night |
Snow Level None' |
| Saturday Morning |
Snow Level None' |
| Saturday Afternoon |
Snow Level None' |
| Saturday Evening |
Snow Level None' (Easterly Flow *) |
| Saturday Night |
Snow Level None' (Easterly Flow *) |
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Mt. Baker | Elevation |
|---|---|
| Friday Evening |
Snow Level None' |
| Friday Night |
Snow Level None' |
| Saturday Morning |
Snow Level None' |
| Saturday Afternoon |
Snow Level None' |
| Saturday Evening |
Snow Level None' (Easterly Flow *) |
| Saturday Night |
Snow Level None' (Easterly Flow *) |
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Washington Pass | Elevation |
|---|---|
| Friday Evening |
Snow Level None' |
| Friday Night |
Snow Level None' |
| Saturday Morning |
Snow Level None' |
| Saturday Afternoon |
Snow Level None' |
| Saturday Evening |
Snow Level None' (Easterly Flow *) |
| Saturday Night |
Snow Level None' (Easterly Flow *) |
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Leavenworth | Elevation |
|---|---|
| Friday Evening |
Snow Level None' |
| Friday Night |
Snow Level None' |
| Saturday Morning |
Snow Level None' |
| Saturday Afternoon |
Snow Level None' |
| Saturday Evening |
Snow Level None' (Easterly Flow *) |
| Saturday Night |
Snow Level None' (Easterly Flow *) |
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Stevens Pass | Elevation |
|---|---|
| Friday Evening |
Snow Level 2500' |
| Friday Night |
Snow Level 2500' |
| Saturday Morning |
Snow Level 2500' |
| Saturday Afternoon |
Snow Level 3500' |
| Saturday Evening |
Snow Level 6000' (Easterly Flow *) |
| Saturday Night |
Snow Level 7000' (Easterly Flow *) |
| Sunday Morning |
Snow Level 8500' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 9000' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Friday Evening |
Snow Level 2500' |
| Friday Night |
Snow Level 2500' |
| Saturday Morning |
Snow Level 2500' |
| Saturday Afternoon |
Snow Level 4000' |
| Saturday Evening |
Snow Level 6500' (Easterly Flow *) |
| Saturday Night |
Snow Level 7500' (Easterly Flow *) |
| Sunday Morning |
Snow Level 9000' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 10000' (Easterly Flow *) |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Friday Evening |
Snow Level None' |
| Friday Night |
Snow Level None' |
| Saturday Morning |
Snow Level None' |
| Saturday Afternoon |
Snow Level None' |
| Saturday Evening |
Snow Level None' (Easterly Flow *) |
| Saturday Night |
Snow Level None' (Easterly Flow *) |
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Friday Evening |
Snow Level 5000' |
| Friday Night |
Snow Level 4000' |
| Saturday Morning |
Snow Level 5500' |
| Saturday Afternoon |
Snow Level 10000' |
| Saturday Evening |
Snow Level 9500' (Easterly Flow *) |
| Saturday Night |
Snow Level 9500' (Easterly Flow *) |
| Sunday Morning |
Snow Level 10500' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 11500' (Easterly Flow *) |
* Easterly flow in the Cascade Passes can cause locally lower Snow or Freezing levels than areas further west.
Freezing Level is when no precipitation is forecast.
Precipitation Forecast
| Friday Night | Saturday | Saturday Night | Sunday | |
|---|---|---|---|---|
| 4 pm - 4 am | 4 am - 4 pm | 4 pm - 4 am | 4 am - 4 pm | |
| Hurricane Ridge | 0 | 0 | 0 | 0 |
| Mt Baker Ski Area | LT 0.10 | 0 | 0 | 0 |
| Mt. Loop - Barlow Pass | 0 | 0 | 0 | 0 |
| Stevens Pass | 0 | 0 | 0 | 0 |
| Snoqualmie Pass | 0 | 0 | 0 | 0 |
| Crystal Mt | 0 | 0 | 0 | 0 |
| Paradise | 0 | 0 | 0 | 0 |
| White Pass | 0 | 0 | 0 | 0 |
| Washington Pass | 0 | 0 | 0 | 0 |
| Mission Ridge | 0 | 0 | 0 | 0 |
| Salmon la Sac - Gallagher Head | 0 | 0 | 0 | 0 |
| Tieton River - Darland Mt. | 0 | 0 | 0 | 0 |
| Mt Hood Meadows | 0 | 0 | 0 | 0 |
| Timberline | 0 | 0 | 0 | 0 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Friday Night | LT 0.10 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Mt. Loop - Barlow Pass | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Paradise | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| White Pass | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Salmon la Sac - Gallagher Head | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Tieton River - Darland Mt. | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
| Timberline | Precipitation Forecast |
|---|---|
| Friday Night | 0 |
| Saturday | 0 |
| Saturday Night | 0 |
| Sunday | 0 |
LT = less than; WE or Water equivalent is the liquid water equivalent of melted snow in hundredths of inches. As a rough approximation 1 inch of snow = about .10 inches WE, or 10 inches of snow = about 1 inch WE.
Issued: 2:45 PM PST Friday, November 29, 2024
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Friday Evening | --- None - None | --- None - None | --- None - None | --- None - None | W None - None |
| Friday Night | --- None - None | --- None - None | --- None - None | --- None - None | W None - None |
| Saturday Morning | --- None - None | --- None - None | --- None - None | --- None - None | W None - None |
| Saturday Afternoon | --- None - None | --- None - None | --- None - None | --- None - None | WSW None - None |
| Hurricane Ridge | Elevation |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Baker | Elevation |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Rainier | Elevation |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Hood | Elevation |
|---|---|
| Friday Evening | W None - None |
| Friday Night | W None - None |
| Saturday Morning | W None - None |
| Saturday Afternoon | WSW None - None |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Baker | Direction - Speed |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Rainier | Direction - Speed |
|---|---|
| Friday Evening | --- None - None |
| Friday Night | --- None - None |
| Saturday Morning | --- None - None |
| Saturday Afternoon | --- None - None |
| Mt. Hood | Direction - Speed |
|---|---|
| Friday Evening | W None - None |
| Friday Night | W None - None |
| Saturday Morning | W None - None |
| Saturday Afternoon | WSW None - None |
Directions above indicate the direction the wind blows from on the 16-point cardinal scale. These winds indicate "free" winds, or those winds in the atmosphere not influenced by terrain. Topographical effects may produce greater or lower wind speeds in certain locations as well as significant variations in direction.
Issued: 2:45 PM PST Friday, November 29, 2024
Extended Weather Synopsis for Sunday night through Tuesday
The ridge of high pressure remains entrenched over our region through at least the middle of next week. A low drifting south over southern California will create a blocking pattern that prolongs our warm and dry spell. Continue to expect the inversion conditions at lower elevations described previously.
Extended Snow/Freezing Levels
| Mt. Baker | Snoqualmie Pass | Mt. Hood | Easterly Flow * | ||
|---|---|---|---|---|---|
| Sunday Night | Snow Level | None' - None' | None' - None' | None' - None' | * |
| Monday | Snow Level | None' - None' | None' - None' | None' - None' | * |
| Monday Night | Snow Level | None' - None' | None' - None' | None' - None' | * |
| Tuesday | Snow Level | None' - None' | None' - None' | None' - None' | * |
| Mt. Baker | Elevation |
|---|---|
| Sunday Night |
Snow Level None' - None' (Easterly Flow *) |
| Monday |
Snow Level None' - None' (Easterly Flow *) |
| Monday Night |
Snow Level None' - None' (Easterly Flow *) |
| Tuesday |
Snow Level None' - None' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Sunday Night |
Snow Level None' - None' (Easterly Flow *) |
| Monday |
Snow Level None' - None' (Easterly Flow *) |
| Monday Night |
Snow Level None' - None' (Easterly Flow *) |
| Tuesday |
Snow Level None' - None' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Sunday Night |
Snow Level None' - None' (Easterly Flow *) |
| Monday |
Snow Level None' - None' (Easterly Flow *) |
| Monday Night |
Snow Level None' - None' (Easterly Flow *) |
| Tuesday |
Snow Level None' - None' (Easterly Flow *) |
* Easterly flow in the Cascade Passes can cause locally lower Snow or Freezing levels than areas further west.
Freezing Level is when no precipitation is forecast.
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I I Extended Weather
Previous forecast from Nov. 29, 2024
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.