Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k
Weather Synopsis for Sunday & Sunday
Today is the last mild and dry day before the weather pattern changes to a cooler and wetter spring-time pattern. Temperature inversions are not particularly impressive this morning and morning lows are a notch warmer for the Olympics, south Washington Cascades and Mt. Hood area. Areas of high clouds are already passing through the area, a trend that will continue as the day wears on with skies becoming overcast for the Olympics and perhaps the northwest Cascades in the afternoon. Filtered sunshine over the central and south Washington Cascades will transition to mostly sunny skies closer to Mt. Hood. Areas further south and east from the approaching cloud cover will see the warmest freezing levels today. Winds should increase in the Mt. Baker area this afternoon and above Cascade crest level in general.
An upper low dropping south along the B.C. coast will spin a front through the Cascades late Monday morning. Precipitation will begin over the Olympics and Mt. Baker area after midnight but precipitation will take its time spreading further south on Monday morning. As the front washes out mid-day Monday, convective showers will increase in the afternoon with a cold and unstable air mass over the region. Snow levels will fall to 2000-3000' Monday. New snow amounts look light with the exception of the Mt. Baker area, where 6-10" is possible through Monday afternoon.
Weather Forecast
Hurricane Ridge
| Sunday | Partly to mostly cloudy this morning with high clouds increasing in the afternoon and becoming overcast. |
Mt. Baker
| Sunday | Mostly sunny this morning with periods of high clouds becoming filtered sunshine with increasing high clouds in the afternoon. Winds increasing in the afternoon. |
Washington Pass and Leavenworth
| Sunday | Mostly sunny with a few high clouds this morning becoming partly to mostly cloudy with filtered sunshine as high clouds increase in the afternoon. |
Stevens and Snoqualmie Pass
| Sunday | Mostly sunny with a few high clouds this morning becoming partly to mostly cloudy with filtered sunshine as high clouds increase in the afternoon. Light and variable winds at Pass level becoming west in the afternoon. |
Mt. Rainier, Crystal and White Pass
| Sunday | Mostly sunny with a few high clouds this morning becoming partly sunny with increasing high clouds in the afternoon. |
Mt. Hood
| Sunday | Mostly sunny. Increasing high clouds late in the day. |
Issued: 7:08 AM PDT Sunday, March 22, 2020
Snow/Freezing Level (ft)
| Hurricane Ridge | Mt. Baker | Washington Pass | Leavenworth | Stevens Pass | Snoqualmie Pass | Mt. Rainier, Crystal & White Pass | Mt. Hood | ||
|---|---|---|---|---|---|---|---|---|---|
| Sunday Morning | Freezing Level | 8000' | 4500' | 4500' | 6000' | 5000' | 5500' | 6500' | 8000' |
| Sunday Afternoon | Freezing Level | 6500' | 6000' | 6500' | 7500' | 6500' | 6500' | 7500' | 8000' |
| Sunday Evening | Freezing Level | 4500' | 5000' | 5500' | 7000' | 5000' | 5500' | 6500' | 8000' |
| Sunday Night | Snow Level | 3000' | 3000' | 3500' | 4500' | 3500' | 3500' | 4000' | 4500' |
| Monday Morning | Snow Level | 2000' | 2000' | 2500' | 3000' | 2500' | 2500' | 2500' | 3000' |
| Monday Afternoon | Snow Level | 2500' | 2500' | 3500' | 4000' | 2500' | 2500' | 3000' | 3000' |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 8000' |
| Sunday Afternoon |
Freezing Level 6500' |
| Sunday Evening |
Freezing Level 4500' |
| Sunday Night |
Snow Level 3000' |
| Monday Morning |
Snow Level 2000' |
| Monday Afternoon |
Snow Level 2500' |
| Mt. Baker | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 4500' |
| Sunday Afternoon |
Freezing Level 6000' |
| Sunday Evening |
Freezing Level 5000' |
| Sunday Night |
Snow Level 3000' |
| Monday Morning |
Snow Level 2000' |
| Monday Afternoon |
Snow Level 2500' |
| Washington Pass | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 4500' |
| Sunday Afternoon |
Freezing Level 6500' |
| Sunday Evening |
Freezing Level 5500' |
| Sunday Night |
Snow Level 3500' |
| Monday Morning |
Snow Level 2500' |
| Monday Afternoon |
Snow Level 3500' |
| Leavenworth | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 6000' |
| Sunday Afternoon |
Freezing Level 7500' |
| Sunday Evening |
Freezing Level 7000' |
| Sunday Night |
Snow Level 4500' |
| Monday Morning |
Snow Level 3000' |
| Monday Afternoon |
Snow Level 4000' |
| Stevens Pass | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 5000' |
| Sunday Afternoon |
Freezing Level 6500' |
| Sunday Evening |
Freezing Level 5000' |
| Sunday Night |
Snow Level 3500' |
| Monday Morning |
Snow Level 2500' |
| Monday Afternoon |
Snow Level 2500' |
| Snoqualmie Pass | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 5500' |
| Sunday Afternoon |
Freezing Level 6500' |
| Sunday Evening |
Freezing Level 5500' |
| Sunday Night |
Snow Level 3500' |
| Monday Morning |
Snow Level 2500' |
| Monday Afternoon |
Snow Level 2500' |
| Mt. Rainier & Crystal | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 6500' |
| Sunday Afternoon |
Freezing Level 7500' |
| Sunday Evening |
Freezing Level 6500' |
| Sunday Night |
Snow Level 4000' |
| Monday Morning |
Snow Level 2500' |
| Monday Afternoon |
Snow Level 3000' |
| Mt. Hood | Elevation |
|---|---|
| Sunday Morning |
Freezing Level 8000' |
| Sunday Afternoon |
Freezing Level 8000' |
| Sunday Evening |
Freezing Level 8000' |
| Sunday Night |
Snow Level 4500' |
| Monday Morning |
Snow Level 3000' |
| Monday Afternoon |
Snow Level 3000' |
* 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 | Sunday | |
|---|---|---|---|
| 4 am - 4 pm | 4 pm - 4 am | 4 am - 4 pm | |
| Hurricane Ridge | 0 | LT 0.25 | 0.25 |
| Mt Baker Ski Area | 0 | 0.25 | 0.50 |
| Washington Pass | 0 | LT 0.10 | LT 0.10 |
| Leavenworth | 0 | 0 | LT 0.10 |
| Stevens Pass | 0 | LT 0.10 | 0.25 |
| Snoqualmie Pass | 0 | LT 0.10 | 0.25 |
| Mission Ridge | 0 | 0 | LT 0.10 |
| Crystal Mt | 0 | 0 | LT 0.25 |
| Paradise | 0 | 0 | 0.25 - 0.50 |
| White Pass | 0 | 0 | 0.25 - 0.50 |
| Mt Hood Meadows | 0 | 0 | 0.25 |
| Timberline | 0 | 0 | 0.25 - 0.50 |
| Hurricane Ridge | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | LT 0.25 |
| Sunday | 0.25 |
| Mt Baker Ski Area | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0.25 |
| Sunday | 0.50 |
| Washington Pass | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | LT 0.10 |
| Sunday | LT 0.10 |
| Leavenworth | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | LT 0.10 |
| Stevens Pass | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | LT 0.10 |
| Sunday | 0.25 |
| Snoqualmie Pass | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | LT 0.10 |
| Sunday | 0.25 |
| Mission Ridge | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | LT 0.10 |
| Crystal Mt | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | LT 0.25 |
| Paradise | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | 0.25 - 0.50 |
| White Pass | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | 0.25 - 0.50 |
| Mt Hood Meadows | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | 0.25 |
| Timberline | Precipitation Forecast |
|---|---|
| Sunday | 0 |
| Sunday Night | 0 |
| Sunday | 0.25 - 0.50 |
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: 7:08 AM PDT Sunday, March 22, 2020
Free Winds at 5000' (mph)
| Hurricane Ridge | Mt. Baker | Stevens to Snoqualmie Pass | Mt. Rainier | Mt. Hood | |
|---|---|---|---|---|---|
| Sunday Morning | SW 0 - 10 | SW 5 - 15 | NW 0 - 10 | NW 0 - 10 | W 0 - 10 |
| Sunday Afternoon | SW 10 - 20 | S 15 - 25 | SW 5 - 15 | SW 5 - 15 | W 5 - 15 |
| Sunday Evening | SW 15 - 25 | S 20 - 30 | SW 5 - 15 | SW 10 - 20 | W 15 - 25 |
| Sunday Night | SW 10 - 20 | S 15 - 25 | SW 10 - 20 | SW 10 - 20 | W 15 - 25 |
| Monday Morning | SW 5 - 15 | SW 10 - 20 | SW 10 - 20 | SW 15 - 25 | WSW 15 - 25 |
| Monday Afternoon | SW 10 - 20 | SW 10 - 20 | WSW 15 - 25 | WSW 15 - 25 | WSW 20 - 30 |
| Hurricane Ridge | Elevation |
|---|---|
| Sunday Morning | SW 0 - 10 |
| Sunday Afternoon | SW 10 - 20 |
| Sunday Evening | SW 15 - 25 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 5 - 15 |
| Monday Afternoon | SW 10 - 20 |
| Mt. Baker | Elevation |
|---|---|
| Sunday Morning | SW 5 - 15 |
| Sunday Afternoon | S 15 - 25 |
| Sunday Evening | S 20 - 30 |
| Sunday Night | S 15 - 25 |
| Monday Morning | SW 10 - 20 |
| Monday Afternoon | SW 10 - 20 |
| Stevens and Snoqualmie Pass | Elevation |
|---|---|
| Sunday Morning | NW 0 - 10 |
| Sunday Afternoon | SW 5 - 15 |
| Sunday Evening | SW 5 - 15 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 10 - 20 |
| Monday Afternoon | WSW 15 - 25 |
| Mt. Rainier | Elevation |
|---|---|
| Sunday Morning | NW 0 - 10 |
| Sunday Afternoon | SW 5 - 15 |
| Sunday Evening | SW 10 - 20 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 15 - 25 |
| Monday Afternoon | WSW 15 - 25 |
| Mt. Hood | Elevation |
|---|---|
| Sunday Morning | W 0 - 10 |
| Sunday Afternoon | W 5 - 15 |
| Sunday Evening | W 15 - 25 |
| Sunday Night | W 15 - 25 |
| Monday Morning | WSW 15 - 25 |
| Monday Afternoon | WSW 20 - 30 |
| Hurricane Ridge | Direction - Speed |
|---|---|
| Sunday Morning | SW 0 - 10 |
| Sunday Afternoon | SW 10 - 20 |
| Sunday Evening | SW 15 - 25 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 5 - 15 |
| Monday Afternoon | SW 10 - 20 |
| Mt. Baker | Direction - Speed |
|---|---|
| Sunday Morning | SW 5 - 15 |
| Sunday Afternoon | S 15 - 25 |
| Sunday Evening | S 20 - 30 |
| Sunday Night | S 15 - 25 |
| Monday Morning | SW 10 - 20 |
| Monday Afternoon | SW 10 - 20 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Sunday Morning | NW 0 - 10 |
| Sunday Afternoon | SW 5 - 15 |
| Sunday Evening | SW 5 - 15 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 10 - 20 |
| Monday Afternoon | WSW 15 - 25 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Sunday Morning | NW 0 - 10 |
| Sunday Afternoon | SW 5 - 15 |
| Sunday Evening | SW 10 - 20 |
| Sunday Night | SW 10 - 20 |
| Monday Morning | SW 15 - 25 |
| Monday Afternoon | WSW 15 - 25 |
| Mt. Hood | Direction - Speed |
|---|---|
| Sunday Morning | W 0 - 10 |
| Sunday Afternoon | W 5 - 15 |
| Sunday Evening | W 15 - 25 |
| Sunday Night | W 15 - 25 |
| Monday Morning | WSW 15 - 25 |
| Monday Afternoon | WSW 20 - 30 |
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 Morning | W 20 - 30 | W 15 - 25 | NW 20 - 30 | NW 15 - 25 | NNW 15 - 25 |
| Sunday Afternoon | SW 25 - 35 | W 25 - 35 | W 20 - 30 | W 20 - 30 | W 10 - 20 |
| Sunday Evening | SW 30 - 40 | SW 30 - 40 | SW 30 - 40 | SW 30 - 40 | SW 20 - 30 |
| Sunday Night | SW 30 - 40 | SW 30 - 40 | SW 35 - 45 | SW 30 - 40 | SW 35 - 45 |
| Monday Morning | SW 15 - 25 | SW 15 - 25 | W 25 - 35 | W 25 - 35 | WSW 40 - 50 |
| Monday Afternoon | SW 10 - 20 | SW 15 - 25 | WSW 25 - 35 | SW 25 - 35 | SW 40 - 50 |
| Mt. Baker | Direction - Speed |
|---|---|
| Sunday Morning | W 20 - 30 |
| Sunday Afternoon | SW 25 - 35 |
| Sunday Evening | SW 30 - 40 |
| Sunday Night | SW 30 - 40 |
| Monday Morning | SW 15 - 25 |
| Monday Afternoon | SW 10 - 20 |
| Washington Pass | Direction - Speed |
|---|---|
| Sunday Morning | W 15 - 25 |
| Sunday Afternoon | W 25 - 35 |
| Sunday Evening | SW 30 - 40 |
| Sunday Night | SW 30 - 40 |
| Monday Morning | SW 15 - 25 |
| Monday Afternoon | SW 15 - 25 |
| Stevens and Snoqualmie Pass | Direction - Speed |
|---|---|
| Sunday Morning | NW 20 - 30 |
| Sunday Afternoon | W 20 - 30 |
| Sunday Evening | SW 30 - 40 |
| Sunday Night | SW 35 - 45 |
| Monday Morning | W 25 - 35 |
| Monday Afternoon | WSW 25 - 35 |
| Mt. Rainier | Direction - Speed |
|---|---|
| Sunday Morning | NW 15 - 25 |
| Sunday Afternoon | W 20 - 30 |
| Sunday Evening | SW 30 - 40 |
| Sunday Night | SW 30 - 40 |
| Monday Morning | W 25 - 35 |
| Monday Afternoon | SW 25 - 35 |
| Mt. Hood | Direction - Speed |
|---|---|
| Sunday Morning | NNW 15 - 25 |
| Sunday Afternoon | W 10 - 20 |
| Sunday Evening | SW 20 - 30 |
| Sunday Night | SW 35 - 45 |
| Monday Morning | WSW 40 - 50 |
| Monday Afternoon | SW 40 - 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.
Jump to: Weather Forecast I Snow/Freezing Level I Precipitation I Free Winds 5k I Free Winds 9k
Previous forecast from Mar 21, 2020
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.