Snoqualmie Pass Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Snoqualmie Pass.

Use the Radar Maps link provided to understand the trajectory of a storm.

Flood Advisory issued November 4 at 8:19AM PST until November 4 at 11:15AM PST by NWS Seattle WA

Moderate to heavy rain is occuring with areas of precipitation moving through the region ahead of a cold front. Urban flooding will be possible with this area of precipitation. * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of northwest and west central Washington, including the following counties, in northwest Washington, Jefferson, Kitsap and Mason. In west central Washington, King, Pierce, Snohomish and Thurston. * WHEN...Until 1115 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 818 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 0.2 and 0.5 inches of rain have fallen. - Additional rainfall amounts of 0.2 to 0.8 inches are expected over the area. This additional rain will result in minor flooding. - http://www.weather.gov/safety/flood

Winter Weather Advisory issued November 4 at 6:30AM PST until November 5 at 2:00AM PST by NWS Spokane WA

* WHAT...Snow expected Above 4000 feet. Total snow accumulations between 6 and 13 inches. Winds gusting as high as 35-50 mph. * WHERE...Schweitzer Mountain Road and Flowery Trail Road. * WHEN...From 10 AM this morning to 2 AM PST Tuesday. * IMPACTS...Winter driving conditions will develop Monday afternoon with the most significant accumulations Monday afternoon and Monday evening.

Winter Storm Warning issued November 4 at 6:30AM PST until November 5 at 10:00AM PST by NWS Spokane WA

* WHAT...Heavy snow expected above 3500 feet. Total snow accumulations of 10 to 15 inches. Winds could gust as high as 40 to 50 mph on ridgetops and west exposures. * WHERE...Holden Village and Stevens Pass, Washington Pass * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Plan on winter driving conditions on Highway 2 near Stevens Pass, and Highway 20 over Washington Pass. Strong winds could cause damage to trees and power lines and result in areas of blowing snow. * ADDITIONAL DETAILS...Snow rates of 0.5 to 1.0" per hour are possible at times on Monday morning and afternoon.

High Wind Warning issued November 4 at 6:22AM PST until November 5 at 7:00AM PST by NWS Spokane WA

* WHAT...West winds 25 to 35 mph with gusts to 50 mph expected with localized gusts to 65 mph possible. * WHERE...Pangborn Airport, Quincy, Moses Lake, Number 1 Canyon, Number 2 Canyon, Mansfield, Badger Mountain Road, Ephrata, Entiat, Waterville, Cashmere, Chelan, Wenatchee, and Othello. * WHEN...From 1 PM this afternoon to 7 AM PST Tuesday. * IMPACTS...Damaging winds will be capable of blowing down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles traveling along north to south routes exposed to cross winds. * ADDITIONAL DETAILS...Wind speeds may vary across the area and over short distances. While some locations experience wind gust of 35 to 45 MPH, spotty occurrences of damaging wind gusts to 65 MPH may occur.

Wind Advisory issued November 4 at 6:22AM PST until November 5 at 7:00AM PST by NWS Spokane WA

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Oakesdale, Clarkston, Colfax, Pomeroy, Alpowa Summit, La Crosse, Rosalia, Uniontown, Tekoa, and Pullman. * WHEN...From 1 PM this afternoon to 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

High Wind Warning issued November 4 at 6:22AM PST until November 5 at 7:00AM PST by NWS Spokane WA

* WHAT...West winds 30 to 45 mph with gusts up to 75 mph in the mountains. * WHERE...Mountainous terrain mainly above 3000 feet around Plain, Leavenworth, and Entiat. * WHEN...From 1 PM this afternoon to 7 AM PST Tuesday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible.

Wind Advisory issued November 4 at 6:00AM PST until November 5 at 7:00AM PST by NWS Pendleton OR

* WHAT...West winds 25 to 35 mph with gusts 45 to 55 mph expected. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, North Central Oregon, and Yakima Valley. * WHEN...From 1 PM this afternoon to 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

High Wind Warning issued November 4 at 6:00AM PST until November 5 at 7:00AM PST by NWS Pendleton OR

* WHAT...West winds 30 to 45 mph with gusts of 55 to 70 mph expected. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Kittitas Valley, and Simcoe Highlands. * WHEN...From 1 PM this afternoon to 7 AM PST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

High Surf Advisory issued November 4 at 3:53AM PST until November 5 at 4:00AM PST by NWS Seattle WA

* WHAT...Large breaking waves of 16 to 23 feet in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Localized beach erosion is possible.

Beach Hazards Statement issued November 4 at 2:42AM PST until November 4 at 10:00PM PST by NWS Portland OR

* WHAT...Sneaker waves possible on the beaches. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through this evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...West northwesterly swell of 14 to 16 ft with a period of 16 to 19 seconds will reach the coastline Sunday evening through Monday evening.

Winter Weather Advisory issued November 4 at 2:42AM PST until November 5 at 10:00AM PST by NWS Seattle WA

* WHAT...Snow expected at elevations greater than 3500 ft. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 45 mph. * WHERE...West Slopes South Central Cascades and Passes. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travel across the passes. Gusty winds could bring down tree branches.

Winter Storm Warning issued November 4 at 2:42AM PST until November 5 at 10:00AM PST by NWS Seattle WA

* WHAT...Heavy snow and areas of blowing snow expected at or above elevations greater than 3500 ft. Total snow accumulations between 12 and 18 inches. Winds gusting as high as 45 mph. * WHERE...West Slopes North Cascades and Passes and West Slopes North Central Cascades and Passes. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult to impossible. The hazardous conditions could impact travel across the mountain passes. Gusty winds could bring down tree branches.

Wind Advisory issued November 4 at 2:38AM PST until November 4 at 2:00PM PST by NWS Seattle WA

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph, becoming west to southwest mid to late morning and continuing through early this afternoon. * WHERE...Central Coast, East Puget Sound Lowlands, Everett and Vicinity, Lower Chehalis Valley Area, Southwest Interior, and Tacoma Area. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Remaining foliage on trees in the region could result in higher that usual impacts for winds of this magnitude.

High Wind Warning issued November 4 at 2:38AM PST until November 4 at 2:00PM PST by NWS Seattle WA

* WHAT...South winds 25 to 35 mph with gusts 50 to 60 mph, becoming west to southwest mid morning and continuing through early this afternoon. * WHERE...North Coast, San Juan County, Western Skagit County, Western Strait of Juan De Fuca, and Western Whatcom County. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Remaining foliage on trees in the region could result in higher that usual impacts for winds of this magnitude.

High Wind Warning issued November 4 at 2:38AM PST until November 5 at 4:00AM PST by NWS Seattle WA

* WHAT...South winds 25 to 35 mph with gusts 50 to 60 mph, turning to the west mid to late morning and continuing tonight. * WHERE...Admiralty Inlet Area and Eastern Strait of Juan de Fuca. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Remaining foliage on trees in the region could result in higher that usual impacts for winds of this magnitude.

Winter Weather Advisory issued November 4 at 2:07AM PST until November 5 at 10:00AM PST by NWS Pendleton OR

* WHAT...Snow expected above 4000 feet. Total snow accumulations of 6 to 11 inches, with locally heavier amounts above 5000 ft. Winds gusting as high as 50 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow rates may lessen notably on Monday after the initial line of activity, but a deformation band could set up and bring further locally heavy accumulations later Monday into Tuesday.

Winter Weather Advisory issued November 4 at 2:07AM PST until November 5 at 4:00PM PST by NWS Pendleton OR

* WHAT...Snow expected above 4500 feet. Total snow accumulations between 5 and 9 inches. Winds gusting as high as 45 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 AM this morning to 4 PM PST Tuesday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow rates will briefly decrease Monday evening, but is expected to increased again through Tuesday morning.