Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k I Extended Weather
Weather Synopsis for Saturday night through Friday
A high-amplitude late-January ridge centered over our region on Sunday continues to dominate the weather pattern through early next week. The ridge is bringing some of the warmest temperatures our higher elevation stations have seen in several months, while lower elevation stations have managed to warm up as well in spite of the overall inversion (a pattern where colder air sinks and pools in valleys). Overnight, the inversion should gain some strength as clear skies and light winds continue, with patchy very low-level fog developing once again. The fog should reduce in extent during the daytime.
A shortwave weather system riding over the ridge Saturday night and moving down the Rockies into Montana on Sunday, resulting in the ridge axis moving slightly offshore where it will remain into early next week. This is likely to drop freezing levels by 2000 ft relative to Saturday. The upper-level flow should shift northerly while a colder high pressure from interior British Columbia drops southward along with it late Sunday, bringing cold air to the North Cascades and areas east of the Cascade Crest. It will also drive an offshore pressure gradient. Winds will pick up Sunday night and Monday.
Weather Forecast
Hurricane Ridge
| Saturday Night | Mostly clear and very mild with inversion conditions. Light wind becoming light to moderate. |
| Sunday | Mostly sunny with inversion conditions. Decreasing light wind. Fog possible in deep valley locations. |
Mt. Baker
| Saturday Night | Mostly clear and mild with inversion conditions. Light wind becoming light to moderate. Fog possible in deep valley locations. |
| Sunday | Mostly sunny with inversion conditions. Decreasing light wind. Fog possible in deep valley locations. |
Washington Pass and Leavenworth
| Saturday Night | Mostly clear and mild with inversion conditions. Light wind becoming light to moderate. Fog possible in deep valley locations. |
| Sunday | Mostly sunny with inversion conditions. Decreasing light wind. Fog possible in deep valley locations. |
Stevens and Snoqualmie Pass
| Saturday Night | Mostly clear and mild with inversion conditions. Light wind becoming light to moderate. |
| Sunday | Mostly sunny with inversion conditions. Decreasing light 5000 ft wind. Light westerly wind, light and variable at times. |
Mt. Rainier, Crystal and White Pass
| Saturday Night | Mostly clear and very mild with inversion conditions. Light wind becoming light to moderate. |
| Sunday | Mostly sunny with inversion conditions. Decreasing light wind. |
Mt. Hood
| Saturday Night | Mostly clear and very mild with inversion conditions. Light wind becoming moderate. |
| Sunday | Mostly sunny and warm with a weak inversion. Moderate wind becoming light to moderate. |
Issued: 2:48 PM PST Saturday, January 26, 2019
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Saturday Evening | Freezing Level * | 10000' | 10500' | 11000' | 11000' | 11000' | 11000' | 11500' | 11500' |
| Saturday Night | Freezing Level | 9000' | 9000' | 9000' | 10000' | 9000' | 9500' | 10000' | 10500' |
| Sunday Morning | Freezing Level | 9500' | 7500' | 6500' | 9000' | 9000' | 9000' | 9000' | 10500' |
| Sunday Afternoon | Freezing Level | 10000' | 7500' | 7000' | 9000' | 9000' | 9500' | 10000' | 10000' |
| Sunday Evening | Freezing Level * | 7500' | 7500' | 3000' | 3500' | 7000' | 7500' | 8500' | 9000' |
| Sunday Night | Freezing Level * | 8500' | 3000' | 1500' | 2000' | 2000' | 8500' | 9000' | 9500' |
| Monday Morning | Freezing Level * | 8500' | 4000' | 1500' | 1000' | 7000' | 8500' | 9000' | 9500' |
| Monday Afternoon | Freezing Level * | 9000' | 6000' | 3000' | 2000' | 8500' | 9000' | 9000' | 10000' |
| Hurricane Ridge | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 10000' (Easterly Flow *) |
| Saturday Night |
Freezing Level 9000' |
| Sunday Morning |
Freezing Level 9500' |
| Sunday Afternoon |
Freezing Level 10000' |
| Sunday Evening |
Freezing Level 7500' (Easterly Flow *) |
| Sunday Night |
Freezing Level 8500' (Easterly Flow *) |
| Monday Morning |
Freezing Level 8500' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 9000' (Easterly Flow *) |
| Mt. Baker | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 10500' (Easterly Flow *) |
| Saturday Night |
Freezing Level 9000' |
| Sunday Morning |
Freezing Level 7500' |
| Sunday Afternoon |
Freezing Level 7500' |
| Sunday Evening |
Freezing Level 7500' (Easterly Flow *) |
| Sunday Night |
Freezing Level 3000' (Easterly Flow *) |
| Monday Morning |
Freezing Level 4000' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 6000' (Easterly Flow *) |
| Washington Pass | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11000' (Easterly Flow *) |
| Saturday Night |
Freezing Level 9000' |
| Sunday Morning |
Freezing Level 6500' |
| Sunday Afternoon |
Freezing Level 7000' |
| Sunday Evening |
Freezing Level 3000' (Easterly Flow *) |
| Sunday Night |
Freezing Level 1500' (Easterly Flow *) |
| Monday Morning |
Freezing Level 1500' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 3000' (Easterly Flow *) |
| Leavenworth | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11000' (Easterly Flow *) |
| Saturday Night |
Freezing Level 10000' |
| Sunday Morning |
Freezing Level 9000' |
| Sunday Afternoon |
Freezing Level 9000' |
| Sunday Evening |
Freezing Level 3500' (Easterly Flow *) |
| Sunday Night |
Freezing Level 2000' (Easterly Flow *) |
| Monday Morning |
Freezing Level 1000' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 2000' (Easterly Flow *) |
| Stevens Pass | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11000' (Easterly Flow *) |
| Saturday Night |
Freezing Level 9000' |
| Sunday Morning |
Freezing Level 9000' |
| Sunday Afternoon |
Freezing Level 9000' |
| Sunday Evening |
Freezing Level 7000' (Easterly Flow *) |
| Sunday Night |
Freezing Level 2000' (Easterly Flow *) |
| Monday Morning |
Freezing Level 7000' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 8500' (Easterly Flow *) |
| Snoqualmie Pass | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11000' (Easterly Flow *) |
| Saturday Night |
Freezing Level 9500' |
| Sunday Morning |
Freezing Level 9000' |
| Sunday Afternoon |
Freezing Level 9500' |
| Sunday Evening |
Freezing Level 7500' (Easterly Flow *) |
| Sunday Night |
Freezing Level 8500' (Easterly Flow *) |
| Monday Morning |
Freezing Level 8500' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 9000' (Easterly Flow *) |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11500' (Easterly Flow *) |
| Saturday Night |
Freezing Level 10000' |
| Sunday Morning |
Freezing Level 9000' |
| Sunday Afternoon |
Freezing Level 10000' |
| Sunday Evening |
Freezing Level 8500' (Easterly Flow *) |
| Sunday Night |
Freezing Level 9000' (Easterly Flow *) |
| Monday Morning |
Freezing Level 9000' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 9000' (Easterly Flow *) |
| Mt. Hood | Elevation |
|---|---|
| Saturday Evening |
Freezing Level 11500' (Easterly Flow *) |
| Saturday Night |
Freezing Level 10500' |
| Sunday Morning |
Freezing Level 10500' |
| Sunday Afternoon |
Freezing Level 10000' |
| Sunday Evening |
Freezing Level 9000' (Easterly Flow *) |
| Sunday Night |
Freezing Level 9500' (Easterly Flow *) |
| Monday Morning |
Freezing Level 9500' (Easterly Flow *) |
| Monday Afternoon |
Freezing Level 10000' (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
| Saturday Night | Friday | Friday Night | Friday | |
|---|---|---|---|---|
| 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 | 0 | 0 | 0 | 0 |
| Washington Pass | 0 | 0 | 0 | 0 |
| Leavenworth | 0 | 0 | 0 | 0 |
| Stevens Pass | 0 | 0 | 0 | 0 |
| Snoqualmie Pass | 0 | 0 | 0 | 0 |
| Mission Ridge | 0 | 0 | 0 | 0 |
| Crystal Mt | 0 | 0 | 0 | 0 |
| Paradise | 0 | 0 | 0 | 0 |
| White Pass | 0 | 0 | 0 | 0 |
| Mt Hood Meadows | 0 | 0 | 0 | 0 |
| Timberline | 0 | 0 | 0 | 0 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Leavenworth | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Paradise | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| White Pass | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 0 |
| Timberline | Precipitation Forecast |
|---|---|
| Saturday Night | 0 |
| Friday | 0 |
| Friday Night | 0 |
| Friday | 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: 2:48 PM PST Saturday, January 26, 2019
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Saturday Evening | W 5 - 15 | WSW 5 - 15 | W 5 - 15 | NW 5 - 15 | W 5 - 15 |
| Saturday Night | W 10 - 20 | WSW 10 - 20 | W 10 - 20 | W 10 - 20 | W 15 - 25 |
| Sunday Morning | W 5 - 15 | VAR 0 - 10 | W 10 - 20 | W 5 - 15 | W 15 - 25 |
| Sunday Afternoon | VAR 0 - 10 | NE 5 - 15 | W 5 - 15 | NW 5 - 15 | WNW 10 - 20 |
| Hurricane Ridge | Elevation |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 5 - 15 |
| Sunday Afternoon | VAR 0 - 10 |
| Mt. Baker | Elevation |
|---|---|
| Saturday Evening | WSW 5 - 15 |
| Saturday Night | WSW 10 - 20 |
| Sunday Morning | VAR 0 - 10 |
| Sunday Afternoon | NE 5 - 15 |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 10 - 20 |
| Sunday Afternoon | W 5 - 15 |
| Mt. Rainier | Elevation |
|---|---|
| Saturday Evening | NW 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 5 - 15 |
| Sunday Afternoon | NW 5 - 15 |
| Mt. Hood | Elevation |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 15 - 25 |
| Sunday Morning | W 15 - 25 |
| Sunday Afternoon | WNW 10 - 20 |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 5 - 15 |
| Sunday Afternoon | VAR 0 - 10 |
| Mt. Baker | Direction - Speed |
|---|---|
| Saturday Evening | WSW 5 - 15 |
| Saturday Night | WSW 10 - 20 |
| Sunday Morning | VAR 0 - 10 |
| Sunday Afternoon | NE 5 - 15 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 10 - 20 |
| Sunday Afternoon | W 5 - 15 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Saturday Evening | NW 5 - 15 |
| Saturday Night | W 10 - 20 |
| Sunday Morning | W 5 - 15 |
| Sunday Afternoon | NW 5 - 15 |
| Mt. Hood | Direction - Speed |
|---|---|
| Saturday Evening | W 5 - 15 |
| Saturday Night | W 15 - 25 |
| Sunday Morning | W 15 - 25 |
| Sunday Afternoon | WNW 10 - 20 |
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 | |
|---|---|---|---|---|---|
| Saturday Evening | W 25 - 35 | W 25 - 35 | W 20 - 30 | W 15 - 25 | W 10 - 20 |
| Saturday Night | W 40 - 60 | W 45 - 65 | W 40 - 60 | W 30 - 45 | WSW 20 - 30 |
| Sunday Morning | WNW 25 - 35 | WNW 25 - 35 | WNW 40 - 60 | WNW 35 - 50 | WNW 25 - 35 |
| Sunday Afternoon | NW 25 - 35 | NW 20 - 30 | NW 20 - 30 | NW 15 - 25 | NW 15 - 25 |
| Mt. Baker | Direction - Speed |
|---|---|
| Saturday Evening | W 25 - 35 |
| Saturday Night | W 40 - 60 |
| Sunday Morning | WNW 25 - 35 |
| Sunday Afternoon | NW 25 - 35 |
| Washington Pass | Direction - Speed |
|---|---|
| Saturday Evening | W 25 - 35 |
| Saturday Night | W 45 - 65 |
| Sunday Morning | WNW 25 - 35 |
| Sunday Afternoon | NW 20 - 30 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Saturday Evening | W 20 - 30 |
| Saturday Night | W 40 - 60 |
| Sunday Morning | WNW 40 - 60 |
| Sunday Afternoon | NW 20 - 30 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Saturday Evening | W 15 - 25 |
| Saturday Night | W 30 - 45 |
| Sunday Morning | WNW 35 - 50 |
| Sunday Afternoon | NW 15 - 25 |
| Mt. Hood | Direction - Speed |
|---|---|
| Saturday Evening | W 10 - 20 |
| Saturday Night | WSW 20 - 30 |
| Sunday Morning | WNW 25 - 35 |
| Sunday Afternoon | NW 15 - 25 |
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: 2:48 PM PST Saturday, January 26, 2019
Extended Weather Synopsis for Friday night through Friday
The ridge remains parked offshore with a relatively static pattern of warm area west of the Cascade Crest, cooler area east of the Cascade crest with offshore flow peaking Sunday night and Monday and decreasing then ending by Tuesday morning. Some areas east of the Cascade Crest may see multiple freezing levels as cold air pool east of the Cascade becomes less deep.
The next weak system may arrive on Wednesday with a more significant storm slated to arrive on Friday.
Extended Snow/Freezing Levels
| Mt. Baker | Snoqualmie Pass | Mt. Hood | Easterly Flow * | ||
|---|---|---|---|---|---|
| Monday Night | Freezing Level | 7000' - 8000' | 8000' - 9000' | 9500' - 10500' | * |
| Tuesday | Freezing Level | 7000' - 8000' | 8000' - 9000' | 9000' - 10000' | * |
| Tuesday Night | Freezing Level | 7000' - 8000' | 8000' - 9000' | 9000' - 10000' | * |
| Wednesday | Snow Level | 4000' - 6000' | 6000' - 7000' | 7000' - 8000' |
| Mt. Baker | Elevation |
|---|---|
| Monday Night |
Freezing Level 7000' - 8000' (Easterly Flow *) |
| Tuesday |
Freezing Level 7000' - 8000' (Easterly Flow *) |
| Tuesday Night |
Freezing Level 7000' - 8000' (Easterly Flow *) |
| Wednesday |
Snow Level 4000' - 6000' |
| Snoqualmie Pass | Elevation |
|---|---|
| Monday Night |
Freezing Level 8000' - 9000' (Easterly Flow *) |
| Tuesday |
Freezing Level 8000' - 9000' (Easterly Flow *) |
| Tuesday Night |
Freezing Level 8000' - 9000' (Easterly Flow *) |
| Wednesday |
Snow Level 6000' - 7000' |
| Mt. Hood | Elevation |
|---|---|
| Monday Night |
Freezing Level 9500' - 10500' (Easterly Flow *) |
| Tuesday |
Freezing Level 9000' - 10000' (Easterly Flow *) |
| Tuesday Night |
Freezing Level 9000' - 10000' (Easterly Flow *) |
| Wednesday |
Snow Level 7000' - 8000' |
* 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 Jan 26, 2019
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