Mountain Weather Forecast
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I
Weather Synopsis for Sunday & Monday
Generally cloudy skies, light to moderate winds, and a few showers will sum up the weather for most locations on Sunday. A disintegrating front is lifting northward this morning, bringing showers to the region near and south of I-90. Look for precipitation to slowly make its way further north and arrive at Mt Baker around lunchtime or early afternoon. Behind the front, showers should gradually taper for the Mt Hood and West/East South zones, and you may even see some sun breaks this afternoon.
Easterly winds continue to decrease along the Cascade Crest and through the Passes. Eventually, ridgeline winds should turn more SW-W this morning. With the loss of cool east flow, the west slopes of the range will warm. There may be just enough low-level E flow to keep temperatures cold at Stevens Pass, and potentially Snoqualmie Pass, through the afternoon.
Any lingering showers quickly taper during the evening as a drier air mass traverses the area from S to N. Our next system arrives at Mt Hood around midnight as we set up for a rinse and repeat of today's weather. The only real difference between Sunday and Monday's storms is the depleted cold air pool east of the Cascades. Even as we return to stronger easterly winds, this time it won't have the same cooling effect. Snow levels rise to around 3500 to 4500 ft.
Weather Forecast
Olympics
| Sunday | Mostly cloudy with some sun breaks possible in the afternoon. Light showers mainly in the southern and eastern Olympics. |
| Sunday Night | Partly to mostly cloudy. A few isolated showers possible. |
West North
| Sunday | Cloud. Light showers mainly in the afternoon. SSW winds becoming light to moderate. |
| Sunday Night | Mostly cloudy with a few isolated showers, then clearing. |
West Central
| Sunday | Cloudy with light showers mainly in the afternoon. |
| Sunday Night | Cloudy with a few isolated showers possible, then clearing. Winds turning SE and becoming light to moderate. |
West South
| Sunday | Cloudy with light showers mainly in the morning. Slightly heavier on the volcanoes. A few sun breaks possible in the afternoon, primarily near the crest. SW winds becoming light to moderate. |
| Sunday Night | Partly to mostly cloudy with a few showers lingering near the volcanoes. Clouds increasing towards daybreak. Winds turning SE and becoming moderate. |
Stevens Pass
| Sunday | Cloudy with occasional light snow showers. Light E flow at pass level gradually decreasing. Ridgeline winds turning from SE to SW. |
| Sunday Night | Mostly cloudy with periods of mostly clear skies. A few flurries possible. Light E flow at pass level. Ridgeline winds turning SE and becoming light to moderate. |
Snoqualmie Pass
| Sunday | Cloudy with a few light showers. Mostly snow at pass level but a chance of rain in the afternoon. Light E flow decreasing slightly. Ridgeline winds are a mix of light to moderate SE and SW. |
| Sunday Night | Clearing in the evening with the chance for a few flurries. Then increasing clouds towards dawn. Light E flow at Pass level. Ridgeline winds turning SE and becoming moderate. |
East North
| Sunday | Mostly cloudy with clouds lowering mid-day. Occasional light snow showers. |
| Sunday Night | Mostly cloudy with a few stray showers possible. |
East Central
| Sunday | Cloudy with occasional light snow showers. A few sun breaks possible in the afternoon particularly south of the Wenatchee Mts. Winds becoming W light to moderate. |
| Sunday Night | Partly to mostly cloudy with periods of clearer skies. A few flurries possible. Winds turning SSE and becoming light to moderate. |
East South
| Sunday | Cloudy with light snow showers mainly in the morning. Some sun breaks in the afternoon. WSW wind turning W and becoming moderate. |
| Sunday Night | Partly clear becoming cloudy overnight. Light showers developing after midnight. Winds becoming moderate from the SE. |
Mt. Hood
| Sunday | Cloudy with light to moderate showers mainly in the morning. Significant sun breaks in the afternoon. Moderate to strong W winds decreasing slightly. |
| Sunday Night | Clouds increasing overnight with showers arriving around midnight. SSE winds becoming moderate. |
Issued: 6:54 AM PST Sunday, February 18, 2024
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Sunday Morning | Snow Level* | None' | None' | None' | None' | 2000' | 2000' | None' | 2500' |
| Sunday Afternoon | Snow Level* | None' | None' | None' | None' | 3000' | 3000' | None' | 4500' |
| Sunday Evening | Snow Level* | None' | None' | None' | None' | 3000' | 3000' | None' | 4000' |
| Sunday Night | Snow Level* | None' | None' | None' | None' | 2000' | 2500' | None' | 4500' |
| Monday Morning | Snow Level* | None' | None' | None' | None' | 3000' | 3000' | None' | 4500' |
| Monday Afternoon | Snow Level* | None' | None' | None' | None' | 3500' | 3500' | None' | 5000' |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Sunday Evening |
Snow Level None' (Easterly Flow *) |
| Sunday Night |
Snow Level None' (Easterly Flow *) |
| Monday Morning |
Snow Level None' (Easterly Flow *) |
| Monday Afternoon |
Snow Level None' (Easterly Flow *) |
| Mt. Baker | Elevation |
|---|---|
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Sunday Evening |
Snow Level None' (Easterly Flow *) |
| Sunday Night |
Snow Level None' (Easterly Flow *) |
| Monday Morning |
Snow Level None' (Easterly Flow *) |
| Monday Afternoon |
Snow Level None' (Easterly Flow *) |
| Washington Pass | Elevation |
|---|---|
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Sunday Evening |
Snow Level None' (Easterly Flow *) |
| Sunday Night |
Snow Level None' (Easterly Flow *) |
| Monday Morning |
Snow Level None' (Easterly Flow *) |
| Monday Afternoon |
Snow Level None' (Easterly Flow *) |
| Leavenworth | Elevation |
|---|---|
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Sunday Evening |
Snow Level None' (Easterly Flow *) |
| Sunday Night |
Snow Level None' (Easterly Flow *) |
| Monday Morning |
Snow Level None' (Easterly Flow *) |
| Monday Afternoon |
Snow Level None' (Easterly Flow *) |
| Stevens Pass | Elevation |
|---|---|
| Sunday Morning |
Snow Level 2000' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 3000' (Easterly Flow *) |
| Sunday Evening |
Snow Level 3000' (Easterly Flow *) |
| Sunday Night |
Snow Level 2000' (Easterly Flow *) |
| Monday Morning |
Snow Level 3000' (Easterly Flow *) |
| Monday Afternoon |
Snow Level 3500' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Sunday Morning |
Snow Level 2000' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 3000' (Easterly Flow *) |
| Sunday Evening |
Snow Level 3000' (Easterly Flow *) |
| Sunday Night |
Snow Level 2500' (Easterly Flow *) |
| Monday Morning |
Snow Level 3000' (Easterly Flow *) |
| Monday Afternoon |
Snow Level 3500' (Easterly Flow *) |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Sunday Morning |
Snow Level None' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level None' (Easterly Flow *) |
| Sunday Evening |
Snow Level None' (Easterly Flow *) |
| Sunday Night |
Snow Level None' (Easterly Flow *) |
| Monday Morning |
Snow Level None' (Easterly Flow *) |
| Monday Afternoon |
Snow Level None' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Sunday Morning |
Snow Level 2500' (Easterly Flow *) |
| Sunday Afternoon |
Snow Level 4500' (Easterly Flow *) |
| Sunday Evening |
Snow Level 4000' (Easterly Flow *) |
| Sunday Night |
Snow Level 4500' (Easterly Flow *) |
| Monday Morning |
Snow Level 4500' (Easterly Flow *) |
| Monday Afternoon |
Snow Level 5000' (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
| Sunday | Sunday Night | Monday | |
|---|---|---|---|
| 4 am - 4 pm | 4 pm - 4 am | 4 am - 4 pm | |
| Hurricane Ridge | LT 0.10 | 0 | LT 0.10 |
| Mt Baker Ski Area | LT 0.10 | LT 0.10 | LT 0.10 |
| Mt. Loop - Barlow Pass | LT 0.10 | LT 0.10 | LT 0.10 |
| Stevens Pass | LT 0.10 | 0 | LT 0.10 |
| Snoqualmie Pass | LT 0.10 | 0 | LT 0.10 |
| Crystal Mt | LT 0.10 | 0 | LT 0.25 |
| Paradise | 0.25 - 0.50 | LT 0.10 | 0.25 |
| White Pass | LT 0.25 | 0 | LT 0.25 |
| Washington Pass | LT 0.10 | 0 | LT 0.10 |
| Mission Ridge | LT 0.10 | 0 | LT 0.25 |
| Salmon la Sac - Gallagher Head | LT 0.10 | 0 | LT 0.25 |
| Tieton River - Darland Mt. | LT 0.10 | LT 0.10 | LT 0.25 |
| Mt Hood Meadows | 0.25 - 0.50 | LT 0.25 | 0.25 |
| Timberline | 0.25 - 0.50 | LT 0.25 | 0.25 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.10 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | LT 0.10 |
| Monday | LT 0.10 |
| Mt. Loop - Barlow Pass | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | LT 0.10 |
| Monday | LT 0.10 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.10 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.10 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.25 |
| Paradise | Precipitation Forecast |
|---|---|
| Sunday | 0.25 - 0.50 |
| Sunday Night | LT 0.10 |
| Monday | 0.25 |
| White Pass | Precipitation Forecast |
|---|---|
| Sunday | LT 0.25 |
| Sunday Night | 0 |
| Monday | LT 0.25 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.10 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.25 |
| Salmon la Sac - Gallagher Head | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | 0 |
| Monday | LT 0.25 |
| Tieton River - Darland Mt. | Precipitation Forecast |
|---|---|
| Sunday | LT 0.10 |
| Sunday Night | LT 0.10 |
| Monday | LT 0.25 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Sunday | 0.25 - 0.50 |
| Sunday Night | LT 0.25 |
| Monday | 0.25 |
| Timberline | Precipitation Forecast |
|---|---|
| Sunday | 0.25 - 0.50 |
| Sunday Night | LT 0.25 |
| Monday | 0.25 |
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: 6:54 AM PST Sunday, February 18, 2024
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Sunday Morning | --- None - None | --- None - None | --- None - None | --- None - None | W None - None |
| Sunday Afternoon | --- None - None | --- None - None | --- None - None | --- None - None | WSW None - None |
| Sunday Evening | --- None - None | --- None - None | --- None - None | --- None - None | SSE None - None |
| Sunday Night | --- None - None | --- None - None | --- None - None | --- None - None | SSE None - None |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Baker | Elevation |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Rainier | Elevation |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Hood | Elevation |
|---|---|
| Sunday Morning | W None - None |
| Sunday Afternoon | WSW None - None |
| Sunday Evening | SSE None - None |
| Sunday Night | SSE None - None |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Baker | Direction - Speed |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Rainier | Direction - Speed |
|---|---|
| Sunday Morning | --- None - None |
| Sunday Afternoon | --- None - None |
| Sunday Evening | --- None - None |
| Sunday Night | --- None - None |
| Mt. Hood | Direction - Speed |
|---|---|
| Sunday Morning | W None - None |
| Sunday Afternoon | WSW None - None |
| Sunday Evening | SSE None - None |
| Sunday Night | SSE 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.
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I
Previous forecast from Feb. 17, 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.