Mountain Weather Forecast
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k I Extended Weather
Weather Synopsis for Wednesday night through Friday
It's a beautiful day across the PNW with mountain temperatures generally in the 30s to 40s across the region. High clouds are beginning to thicken ahead of a Pacific frontal system to our north. That trend will continue overnight with skies becoming overcast in the north and eventually to the south before daybreak. Southerly winds will increase ahead of the frontal system late tonight for the Olympics and northwest Cascades and stick around the moderate range during the day. The frontal band will begin to slow as it approaches due to the parent low pressure system offshore beginning to drop south and away from the PNW. Precipitation will move into the Olympics and northwest Cascades in the morning but have a hard time advancing south of I-90 during the daylight hours. Areas south of the frontal boundary will see another mild with cloud bases slowly lowering along with increasing ridgeline winds in the latter half of the day.
The frontal boundary will weaken and washout out over the Cascades Thursday night with light showers over the area. The upper low will drift closer to the northern CA coast on Friday turning the flow aloft to southerly. This should help maintain extensive cloud cover over the area on Friday and along with a chance of showers. Closer to the low for areas like Mt Hood, there's a better chance of occasionally moderate showers. Despite the unsettled weather, snow levels will be on the milder side in the 5500-6500' range.
Weather Forecast
Olympics
| Wednesday Night | Becoming overcast in the evening. |
| Thursday | Light to occasionally moderate rain and snow. Moderate ridgeline winds. |
West North
| Wednesday Night | Becoming overcast in the evening. Moderate ridgeline winds developing after midnight. |
| Thursday | Light to occasionally moderate rain and snow. Moderate ridgeline winds. |
West Central
| Wednesday Night | Becoming overcast in the evening. |
| Thursday | Cloudy with light rain and snow developing in the morning. Moderate ridgeline winds. |
West South
| Wednesday Night | Mostly cloudy in the evening, becoming overcast after midnight. |
| Thursday | Cloudy. Light rain and snow may develop in the afternoon. Moderate ridgeline winds. |
Stevens Pass
| Wednesday Night | Mostly cloudy in the evening, becoming overcast after midnight. Light W ridgeline and Pass level winds. |
| Thursday | Cloudy. Light rain and snow developing in the afternoon. Light to moderate W ridgeline and Pass level winds. |
Snoqualmie Pass
| Wednesday Night | Mostly cloudy in the evening, becoming overcast after midnight. Light W ridgeline and Pass level winds. |
| Thursday | Cloudy. Light rain and snow may develop in the afternoon. Light to moderate W ridgeline and Pass level winds. |
East North
| Wednesday Night | Overcast. |
| Thursday | Cloudy. Light rain and snow developing mid-day. Moderate ridgeline winds. |
East Central
| Wednesday Night | Mostly cloudy in the evening, becoming overcast after midnight. |
| Thursday | Cloudy. Chance of light rain or snow near the Cascade crest late. Moderate ridgeline winds. |
East South
| Wednesday Night | Partly cloudy in the evening, becoming mostly cloudy after midnight with increasing high clouds. |
| Thursday | Cloudy. Moderate ridgeline winds. |
Mt. Hood
| Wednesday Night | Partly cloudy in the evening, becoming mostly cloudy after midnight with increasing high clouds. |
| Thursday | Cloudy. Moderate ridgeline winds. |
Issued: 2:35 PM PST Wednesday, April 10, 2024
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Wednesday Evening | Snow Level | None' | None' | None' | None' | 6000' | 6000' | None' | 8000' |
| Wednesday Night | Snow Level | None' | None' | None' | None' | 5500' | 5500' | None' | 8000' |
| Thursday Morning | Snow Level | None' | None' | None' | None' | 5500' | 6000' | None' | 7500' |
| Thursday Afternoon | Snow Level | None' | None' | None' | None' | 5000' | 5500' | None' | 7000' |
| Thursday Evening | Snow Level | None' | None' | None' | None' | 5000' | 5000' | None' | 6500' |
| Thursday Night | Snow Level | None' | None' | None' | None' | 4500' | 4500' | None' | 6000' |
| Friday Morning | Snow Level | None' | None' | None' | None' | 5000' | 5000' | None' | 6500' |
| Friday Afternoon | Snow Level | None' | None' | None' | None' | 6500' | 6500' | None' | 6500' |
| Hurricane Ridge | Elevation |
|---|---|
| Wednesday Evening |
Snow Level None' |
| Wednesday Night |
Snow Level None' |
| Thursday Morning |
Snow Level None' |
| Thursday Afternoon |
Snow Level None' |
| Thursday Evening |
Snow Level None' |
| Thursday Night |
Snow Level None' |
| Friday Morning |
Snow Level None' |
| Friday Afternoon |
Snow Level None' |
| Mt. Baker | Elevation |
|---|---|
| Wednesday Evening |
Snow Level None' |
| Wednesday Night |
Snow Level None' |
| Thursday Morning |
Snow Level None' |
| Thursday Afternoon |
Snow Level None' |
| Thursday Evening |
Snow Level None' |
| Thursday Night |
Snow Level None' |
| Friday Morning |
Snow Level None' |
| Friday Afternoon |
Snow Level None' |
| Washington Pass | Elevation |
|---|---|
| Wednesday Evening |
Snow Level None' |
| Wednesday Night |
Snow Level None' |
| Thursday Morning |
Snow Level None' |
| Thursday Afternoon |
Snow Level None' |
| Thursday Evening |
Snow Level None' |
| Thursday Night |
Snow Level None' |
| Friday Morning |
Snow Level None' |
| Friday Afternoon |
Snow Level None' |
| Leavenworth | Elevation |
|---|---|
| Wednesday Evening |
Snow Level None' |
| Wednesday Night |
Snow Level None' |
| Thursday Morning |
Snow Level None' |
| Thursday Afternoon |
Snow Level None' |
| Thursday Evening |
Snow Level None' |
| Thursday Night |
Snow Level None' |
| Friday Morning |
Snow Level None' |
| Friday Afternoon |
Snow Level None' |
| Stevens Pass | Elevation |
|---|---|
| Wednesday Evening |
Snow Level 6000' |
| Wednesday Night |
Snow Level 5500' |
| Thursday Morning |
Snow Level 5500' |
| Thursday Afternoon |
Snow Level 5000' |
| Thursday Evening |
Snow Level 5000' |
| Thursday Night |
Snow Level 4500' |
| Friday Morning |
Snow Level 5000' |
| Friday Afternoon |
Snow Level 6500' |
| Snoqualmie Pass | Elevation |
|---|---|
| Wednesday Evening |
Snow Level 6000' |
| Wednesday Night |
Snow Level 5500' |
| Thursday Morning |
Snow Level 6000' |
| Thursday Afternoon |
Snow Level 5500' |
| Thursday Evening |
Snow Level 5000' |
| Thursday Night |
Snow Level 4500' |
| Friday Morning |
Snow Level 5000' |
| Friday Afternoon |
Snow Level 6500' |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Wednesday Evening |
Snow Level None' |
| Wednesday Night |
Snow Level None' |
| Thursday Morning |
Snow Level None' |
| Thursday Afternoon |
Snow Level None' |
| Thursday Evening |
Snow Level None' |
| Thursday Night |
Snow Level None' |
| Friday Morning |
Snow Level None' |
| Friday Afternoon |
Snow Level None' |
| Mt. Hood | Elevation |
|---|---|
| Wednesday Evening |
Snow Level 8000' |
| Wednesday Night |
Snow Level 8000' |
| Thursday Morning |
Snow Level 7500' |
| Thursday Afternoon |
Snow Level 7000' |
| Thursday Evening |
Snow Level 6500' |
| Thursday Night |
Snow Level 6000' |
| Friday Morning |
Snow Level 6500' |
| Friday Afternoon |
Snow Level 6500' |
* 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
| Wednesday Night | Thursday | Thursday Night | Friday | |
|---|---|---|---|---|
| 5 pm - 5 am | 5 am - 5 pm | 5 pm - 5 am | 5 am - 5 pm | |
| Hurricane Ridge | 0 | LT 0.25 | LT 0.25 | 0 |
| Mt Baker Ski Area | 0 | 0.25 | LT 0.25 | 0 |
| Mt. Loop - Barlow Pass | 0 | LT 0.10 | LT 0.10 | 0 |
| Stevens Pass | 0 | LT 0.10 | LT 0.10 | LT 0.10 |
| Snoqualmie Pass | 0 | LT 0.10 | LT 0.10 | LT 0.10 |
| Crystal Mt | 0 | LT 0.10 | LT 0.10 | LT 0.10 |
| Paradise | 0 | LT 0.10 | LT 0.10 | LT 0.10 |
| White Pass | 0 | 0 | LT 0.10 | LT 0.10 |
| Washington Pass | 0 | LT 0.10 | LT 0.10 | LT 0.10 |
| Mission Ridge | 0 | 0 | LT 0.10 | LT 0.10 |
| Salmon la Sac - Gallagher Head | 0 | 0 | LT 0.10 | LT 0.10 |
| Tieton River - Darland Mt. | 0 | 0 | LT 0.10 | LT 0.10 |
| Mt Hood Meadows | 0 | 0 | LT 0.10 | LT 0.25 |
| Timberline | 0 | 0 | LT 0.10 | LT 0.25 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.25 |
| Thursday Night | LT 0.25 |
| Friday | 0 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0.25 |
| Thursday Night | LT 0.25 |
| Friday | 0 |
| Mt. Loop - Barlow Pass | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | 0 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Paradise | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| White Pass | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | LT 0.10 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Salmon la Sac - Gallagher Head | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Tieton River - Darland Mt. | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.10 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 0.25 |
| Timberline | Precipitation Forecast |
|---|---|
| Wednesday Night | 0 |
| Thursday | 0 |
| Thursday Night | LT 0.10 |
| Friday | LT 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: 2:35 PM PST Wednesday, April 10, 2024
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Wednesday Evening | --- None - None | --- None - None | --- None - None | --- None - None | SW None - None |
| Wednesday Night | --- None - None | --- None - None | --- None - None | --- None - None | WSW None - None |
| Thursday Morning | --- None - None | --- None - None | --- None - None | --- None - None | SW None - None |
| Thursday Afternoon | --- None - None | --- None - None | --- None - None | --- None - None | SW None - None |
| Hurricane Ridge | Elevation |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Baker | Elevation |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Rainier | Elevation |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Hood | Elevation |
|---|---|
| Wednesday Evening | SW None - None |
| Wednesday Night | WSW None - None |
| Thursday Morning | SW None - None |
| Thursday Afternoon | SW None - None |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Baker | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Rainier | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Hood | Direction - Speed |
|---|---|
| Wednesday Evening | SW None - None |
| Wednesday Night | WSW None - None |
| Thursday Morning | SW None - None |
| Thursday Afternoon | SW 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.
Free Winds at 9000' (mph)
| Mt. Baker | Washington Pass | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Wednesday Evening | --- None - None | --- None - None | --- None - None | --- None - None | --- None - None |
| Wednesday Night | --- None - None | --- None - None | --- None - None | --- None - None | --- None - None |
| Thursday Morning | --- None - None | --- None - None | --- None - None | --- None - None | --- None - None |
| Thursday Afternoon | --- None - None | --- None - None | --- None - None | --- None - None | --- None - None |
| Mt. Baker | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Washington Pass | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Rainier | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- None - None |
| Mt. Hood | Direction - Speed |
|---|---|
| Wednesday Evening | --- None - None |
| Wednesday Night | --- None - None |
| Thursday Morning | --- None - None |
| Thursday Afternoon | --- 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: 2:35 PM PST Wednesday, April 10, 2024
Extended Weather Synopsis for Friday night through Sunday
We'll dry out as the influence of the upper low wanes and weak ridging builds overhead. We're in for a warm and dry weekend with westerly zonal flow aloft. There will be a north-south distinction as 7500' freezing levels near the Canadian border increase to 10,000' around Mt Hood. Not only will the days be warm the nights will almost as mild. On Sunday, a strong onshore push will try to cool temperatures near and west of the Cascade crest late in the day with westerly ridgeline winds ramping up.
Extended Snow/Freezing Levels
| Mt. Baker | Snoqualmie Pass | Mt. Hood | Easterly Flow * | ||
|---|---|---|---|---|---|
| Friday Night | Snow Level | None' - None' | None' - None' | None' - None' | |
| Saturday | Snow Level | None' - None' | None' - None' | None' - None' | |
| Saturday Night | Snow Level | None' - None' | None' - None' | None' - None' | |
| Sunday | Snow Level | None' - None' | None' - None' | None' - None' |
| Mt. Baker | Elevation |
|---|---|
| Friday Night |
Snow Level None' - None' |
| Saturday |
Snow Level None' - None' |
| Saturday Night |
Snow Level None' - None' |
| Sunday |
Snow Level None' - None' |
| Snoqualmie Pass | Elevation |
|---|---|
| Friday Night |
Snow Level None' - None' |
| Saturday |
Snow Level None' - None' |
| Saturday Night |
Snow Level None' - None' |
| Sunday |
Snow Level None' - None' |
| Mt. Hood | Elevation |
|---|---|
| Friday Night |
Snow Level None' - None' |
| Saturday |
Snow Level None' - None' |
| Saturday Night |
Snow Level None' - None' |
| Sunday |
Snow Level None' - None' |
* 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 Free Winds 9k I Extended Weather
Previous forecast from April 10, 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.