Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k I Extended Weather
Weather Synopsis for Sunday night through Friday
An unseasonably cold and very active weather pattern continues across the Pacific Northwest.
A perturbation spawned a surface low rapidly on Sunday over Southwestern British Columbia on Sunday. This slightly northward track will allow more moisture to make it into the North Cascades than originally forecast. The low is expected to track across the North Cascades Sunday night, bringing a round of snowfall with it. The southern Washington Cascades will get the most moisture overnight and the heavier precipitation will shift southward on Monday into Oregon on Monday as a well-developed warm front begins lifting northward in associated with another system rotating SE from the North Pacific. This warm front will bring some warming, but will not affect the mountains significantly. Strong to extreme winds will buffet southernmost Washington and particularly Oregon Cascades throughout the period.
On Monday night, the warm front lifts northward while a cold front drops SE, keeping the heaviest snow focused across the SW Washington Cascades and Mt. Hood areas with light to moderate snow in other areas. The associated low will stall just off the Washington Coastline on Tuesday.
From now until the end of the day on Tuesday, Mt. Hood is forecast to pick up 2-4 feet of snow and is expected to be severely impacted by strong to extreme winds.
Weather Forecast
Hurricane Ridge
| Sunday Night | Light snow in the evening, becoming snow showers. Cold. Light to moderate winds becoming light. |
| Monday | Partly cloudy with a chance of flurries in the morning with light snow arriving late in the day. Cold. Light wind becoming light to moderate. |
Mt. Baker
| Sunday Night | Increasing light to occasionally moderate snow in the evening and sustaining overnight. Cold. Light to moderate winds becoming light. |
| Monday | Light snow showers ending early, then a mix of clouds and sun. Cold. Light winds. |
Washington Pass and Leavenworth
| Sunday Night | Light to moderate snow developing during the evening and continuing overnight. Cold. Light winds. |
| Monday | Light snow showers decreasing in the morning, slightly heavier in the central Cascades. Then, light snow filling in from south to north in the afternoon with the North Cascades cloudy. Cold. Light to moderate winds in the south, light in the north. |
Stevens and Snoqualmie Pass
| Sunday Night | Light to moderate snow developing during the evening and continuing overnight. Cold. Moderate winds gusting strong at 5000 ft with moderate easterly pass winds shifting westerly after midnight. |
| Monday | Light snow showers decreasing in the morning, then very light snow increasing in the afternoon. Cold. Moderate winds in the morning becoming light and shifting easterly. |
Mt. Rainier, Crystal and White Pass
| Sunday Night | Moderate snow becoming light snow showers after midnight. Heaviest at Paradise, then White Pass. Cold. Moderate winds gusting strong. |
| Monday | Light snow showers in the morning, then light snow increasing to moderate in the afternoon. Light winds becoming moderate and gusty in the afternoon. |
Mt. Hood
| Sunday Night | Increasing moderate to occasionally heavy snow. Strong winds gusting extreme. Cold. |
| Monday | Very stormy with strong winds increasing and gusting extreme in the afternoon. Heavy snow. Cool, but warming somewhat. |
Issued: 2:52 PM PST Sunday, February 10, 2019
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Sunday Evening | Snow Level * | 0' | 0' | 0' | 0' | 0' | 0' | 0' | 0' |
| Sunday Night | Snow Level | 0' | 0' | 0' | 0' | 0' | 0' | 0' | 1500' |
| Monday Morning | Snow Level | 0' | 0' | 0' | 0' | 0' | 0' | 0' | 1500' |
| Monday Afternoon | Snow Level * | 0' | 0' | 0' | 0' | 0' | 500' | 1000' | 2000' |
| Monday Evening | Snow Level * | 500' | 0' | 0' | 0' | 0' | 0' | 1000' | 3000' |
| Monday Night | Snow Level * | 500' | 0' | 0' | 0' | 0' | 0' | 500' | 3000' |
| Tuesday Morning | Snow Level * | 500' | 0' | 0' | 0' | 0' | 0' | 1000' | 2500' |
| Tuesday Afternoon | Snow Level * | 500' | 0' | 0' | 0' | 500' | 1000' | 1500' | 2500' |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Monday Evening |
Snow Level 500' (Easterly Flow *) |
| Monday Night |
Snow Level 500' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 500' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 500' (Easterly Flow *) |
| Mt. Baker | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Monday Evening |
Snow Level 0' (Easterly Flow *) |
| Monday Night |
Snow Level 0' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 0' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Washington Pass | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Monday Evening |
Snow Level 0' (Easterly Flow *) |
| Monday Night |
Snow Level 0' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 0' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Leavenworth | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Monday Evening |
Snow Level 0' (Easterly Flow *) |
| Monday Night |
Snow Level 0' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 0' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Stevens Pass | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 0' (Easterly Flow *) |
| Monday Evening |
Snow Level 0' (Easterly Flow *) |
| Monday Night |
Snow Level 0' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 0' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 500' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 500' (Easterly Flow *) |
| Monday Evening |
Snow Level 0' (Easterly Flow *) |
| Monday Night |
Snow Level 0' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 0' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 1000' (Easterly Flow *) |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 0' |
| Monday Morning |
Snow Level 0' |
| Monday Afternoon |
Snow Level 1000' (Easterly Flow *) |
| Monday Evening |
Snow Level 1000' (Easterly Flow *) |
| Monday Night |
Snow Level 500' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 1000' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 1500' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Sunday Evening |
Snow Level 0' (Easterly Flow *) |
| Sunday Night |
Snow Level 1500' |
| Monday Morning |
Snow Level 1500' |
| Monday Afternoon |
Snow Level 2000' (Easterly Flow *) |
| Monday Evening |
Snow Level 3000' (Easterly Flow *) |
| Monday Night |
Snow Level 3000' (Easterly Flow *) |
| Tuesday Morning |
Snow Level 2500' (Easterly Flow *) |
| Tuesday Afternoon |
Snow Level 2500' (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 Night | Friday | Friday Night | Friday | |
|---|---|---|---|---|
| 4 pm - 4 am | 4 am - 4 pm | 4 pm - 4 am | 4 am - 4 pm | |
| Hurricane Ridge | 0.25 | LT 0.25 | 0.25 - 0.50 | 0.25 |
| Mt Baker Ski Area | 0.50 | 0 | 0.25 - 0.50 | 0.75 |
| Washington Pass | LT 0.25 | LT 0.10 | 0.25 | LT 0.25 |
| Leavenworth | 0.25 | LT 0.25 | 0.25 - 0.50 | LT 0.25 |
| Stevens Pass | 0.50 | LT 0.25 | 0.25 - 0.50 | 0.25 - 0.50 |
| Snoqualmie Pass | 0.50 - 0.75 | 0.25 | 0.50 - 0.75 | 0.25 - 0.50 |
| Mission Ridge | 0.25 | LT 0.25 | 0.50 | LT 0.25 |
| Crystal Mt | 0.25 - 0.50 | 0.25 | 0.75 | 0.50 |
| Paradise | 0.50 - 0.75 | 0.50 | 1.00 | 0.50 - 0.75 |
| White Pass | 0.50 | 0.50 | 0.75 -1.00 | 0.25 - 0.50 |
| Mt Hood Meadows | 1.00 | 1.50 | 1.50 | 1.00 |
| Timberline | 1.00 | 1.50 | 1.50 | 1.00 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Sunday Night | 0.25 |
| Friday | LT 0.25 |
| Friday Night | 0.25 - 0.50 |
| Friday | 0.25 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Sunday Night | 0.50 |
| Friday | 0 |
| Friday Night | 0.25 - 0.50 |
| Friday | 0.75 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Sunday Night | LT 0.25 |
| Friday | LT 0.10 |
| Friday Night | 0.25 |
| Friday | LT 0.25 |
| Leavenworth | Precipitation Forecast |
|---|---|
| Sunday Night | 0.25 |
| Friday | LT 0.25 |
| Friday Night | 0.25 - 0.50 |
| Friday | LT 0.25 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Sunday Night | 0.50 |
| Friday | LT 0.25 |
| Friday Night | 0.25 - 0.50 |
| Friday | 0.25 - 0.50 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Sunday Night | 0.50 - 0.75 |
| Friday | 0.25 |
| Friday Night | 0.50 - 0.75 |
| Friday | 0.25 - 0.50 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Sunday Night | 0.25 |
| Friday | LT 0.25 |
| Friday Night | 0.50 |
| Friday | LT 0.25 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Sunday Night | 0.25 - 0.50 |
| Friday | 0.25 |
| Friday Night | 0.75 |
| Friday | 0.50 |
| Paradise | Precipitation Forecast |
|---|---|
| Sunday Night | 0.50 - 0.75 |
| Friday | 0.50 |
| Friday Night | 1.00 |
| Friday | 0.50 - 0.75 |
| White Pass | Precipitation Forecast |
|---|---|
| Sunday Night | 0.50 |
| Friday | 0.50 |
| Friday Night | 0.75 -1.00 |
| Friday | 0.25 - 0.50 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Sunday Night | 1.00 |
| Friday | 1.50 |
| Friday Night | 1.50 |
| Friday | 1.00 |
| Timberline | Precipitation Forecast |
|---|---|
| Sunday Night | 1.00 |
| Friday | 1.50 |
| Friday Night | 1.50 |
| Friday | 1.00 |
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: 2:52 PM PST Sunday, February 10, 2019
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Sunday Evening | W 10 - 20 | E 10 - 20 | SSW 20 - 30 | SSW 20 - 30 | WSW 40 - 60 |
| Sunday Night | VAR 0 - 10 | E 0 - 10 | W 15 - 25 | WSW 15 - 25 | WSW 35 - 50 |
| Monday Morning | ESE 5 - 15 | ESE 5 - 15 | VAR 0 - 10 | S 5 - 15 | WSW 25 - 35 |
| Monday Afternoon | E 10 - 20 | ENE 5 - 15 | E 10 - 20 | SE 10 - 20 | SW 35 - 50 |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Evening | W 10 - 20 |
| Sunday Night | VAR 0 - 10 |
| Monday Morning | ESE 5 - 15 |
| Monday Afternoon | E 10 - 20 |
| Mt. Baker | Elevation |
|---|---|
| Sunday Evening | E 10 - 20 |
| Sunday Night | E 0 - 10 |
| Monday Morning | ESE 5 - 15 |
| Monday Afternoon | ENE 5 - 15 |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Sunday Evening | SSW 20 - 30 |
| Sunday Night | W 15 - 25 |
| Monday Morning | VAR 0 - 10 |
| Monday Afternoon | E 10 - 20 |
| Mt. Rainier | Elevation |
|---|---|
| Sunday Evening | SSW 20 - 30 |
| Sunday Night | WSW 15 - 25 |
| Monday Morning | S 5 - 15 |
| Monday Afternoon | SE 10 - 20 |
| Mt. Hood | Elevation |
|---|---|
| Sunday Evening | WSW 40 - 60 |
| Sunday Night | WSW 35 - 50 |
| Monday Morning | WSW 25 - 35 |
| Monday Afternoon | SW 35 - 50 |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Sunday Evening | W 10 - 20 |
| Sunday Night | VAR 0 - 10 |
| Monday Morning | ESE 5 - 15 |
| Monday Afternoon | E 10 - 20 |
| Mt. Baker | Direction - Speed |
|---|---|
| Sunday Evening | E 10 - 20 |
| Sunday Night | E 0 - 10 |
| Monday Morning | ESE 5 - 15 |
| Monday Afternoon | ENE 5 - 15 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Sunday Evening | SSW 20 - 30 |
| Sunday Night | W 15 - 25 |
| Monday Morning | VAR 0 - 10 |
| Monday Afternoon | E 10 - 20 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Sunday Evening | SSW 20 - 30 |
| Sunday Night | WSW 15 - 25 |
| Monday Morning | S 5 - 15 |
| Monday Afternoon | SE 10 - 20 |
| Mt. Hood | Direction - Speed |
|---|---|
| Sunday Evening | WSW 40 - 60 |
| Sunday Night | WSW 35 - 50 |
| Monday Morning | WSW 25 - 35 |
| Monday Afternoon | SW 35 - 50 |
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 | |
|---|---|---|---|---|---|
| Sunday Evening | SSW 15 - 25 | SSW 10 - 20 | WSW 40 - 60 | WSW 40 - 60 | WSW 50 - 70 |
| Sunday Night | SW 5 - 15 | SW 15 - 25 | WSW 25 - 35 | WSW 40 - 60 | WSW 55 - 75 |
| Monday Morning | SSW 5 - 15 | WSW 5 - 15 | WSW 30 - 45 | WSW 40 - 60 | WSW 50 - 70 |
| Monday Afternoon | SW 15 - 25 | SW 15 - 25 | SW 30 - 45 | SW 45 - 65 | SW 65 - 85 |
| Mt. Baker | Direction - Speed |
|---|---|
| Sunday Evening | SSW 15 - 25 |
| Sunday Night | SW 5 - 15 |
| Monday Morning | SSW 5 - 15 |
| Monday Afternoon | SW 15 - 25 |
| Washington Pass | Direction - Speed |
|---|---|
| Sunday Evening | SSW 10 - 20 |
| Sunday Night | SW 15 - 25 |
| Monday Morning | WSW 5 - 15 |
| Monday Afternoon | SW 15 - 25 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Sunday Evening | WSW 40 - 60 |
| Sunday Night | WSW 25 - 35 |
| Monday Morning | WSW 30 - 45 |
| Monday Afternoon | SW 30 - 45 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Sunday Evening | WSW 40 - 60 |
| Sunday Night | WSW 40 - 60 |
| Monday Morning | WSW 40 - 60 |
| Monday Afternoon | SW 45 - 65 |
| Mt. Hood | Direction - Speed |
|---|---|
| Sunday Evening | WSW 50 - 70 |
| Sunday Night | WSW 55 - 75 |
| Monday Morning | WSW 50 - 70 |
| Monday Afternoon | SW 65 - 85 |
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: 2:52 PM PST Sunday, February 10, 2019
Extended Weather Synopsis for Friday night through Friday
The lingering surface low remains off the Washington coast on Tuesday night as precipitation remains heavier over Oregon and gradually decreasing across the region.
The upper-level trough will linger Wednesday and shift eastward Wednesday night. with decreasing snow showers ending Wednesday evening as a dry northly flow replaces it. High pressure is should bring cool temperatures and sunshine on Thursday.
Extended Snow/Freezing Levels
| Mt. Baker | Snoqualmie Pass | Mt. Hood | Easterly Flow * | ||
|---|---|---|---|---|---|
| Tuesday Night | Snow Level | 0' - 1000' | 500' - 1500' | 1500' - 2500' | * |
| Wednesday | Snow Level | 0' - 0' | 500' - 1500' | 1000' - 2000' | |
| Wednesday Night | Snow Level | 0' - 1000' | 0' - 1000' | 1500' - 2500' | |
| Thursday | Freezing Level | 1000' - 2000' | 1000' - 2000' | 1000' - 2000' | * |
| Mt. Baker | Elevation |
|---|---|
| Tuesday Night |
Snow Level 0' - 1000' (Easterly Flow *) |
| Wednesday |
Snow Level 0' - 0' |
| Wednesday Night |
Snow Level 0' - 1000' |
| Thursday |
Freezing Level 1000' - 2000' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Tuesday Night |
Snow Level 500' - 1500' (Easterly Flow *) |
| Wednesday |
Snow Level 500' - 1500' |
| Wednesday Night |
Snow Level 0' - 1000' |
| Thursday |
Freezing Level 1000' - 2000' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Tuesday Night |
Snow Level 1500' - 2500' (Easterly Flow *) |
| Wednesday |
Snow Level 1000' - 2000' |
| Wednesday Night |
Snow Level 1500' - 2500' |
| Thursday |
Freezing Level 1000' - 2000' (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 Free Winds 9k I Extended Weather
Previous forecast from Feb 10, 2019
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