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.

Wind Advisory issued November 21 at 9:02PM PST until November 22 at 10:00AM PST by NWS Seattle WA

* WHAT...East to northeast winds 20 to 35 mph with gusts up to 50 mph expected. * WHERE...Western Whatcom County. * WHEN...From 10 PM this evening to 10 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued November 21 at 9:02PM PST until November 23 at 4:00AM PST by NWS Seattle WA

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Central Coast and North Coast. * WHEN...From 10 AM Friday to 4 AM PST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

High Wind Warning issued November 21 at 2:58PM PST until November 22 at 10:00PM PST by NWS Portland OR

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected for beaches and headlands. * WHERE...South Washington and North and Central Oregon Coast. * WHEN...From 10 AM to 10 PM PST Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...A High Wind Warning for the coastal headlands and beaches means a hazardous high wind event is expected in areas along the immediate coast. Many of the headland areas and beaches are vulnerable to very strong wind gusts that may pose a safety hazard for individuals or high profile vehicles. The strong winds may also cause property damage. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more are expected. Coastal headlands are characterized by high, rocky shores and steep sea cliffs.

High Surf Advisory issued November 21 at 2:47PM PST until November 22 at 10:00PM PST by NWS Seattle WA

* WHAT...Large breaking waves of 18 to 23 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...From 9 AM to 10 PM PST Friday. * 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.

Wind Advisory issued November 21 at 1:45PM PST until November 22 at 3:00PM PST by NWS Pendleton OR

* WHAT...South winds 25 to 35 mph with gusts of 35 to 50 mph expected for the base of the Blue Mountains of Washington. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...From 2 AM to 3 PM PST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds are expected along the slopes and base of the Blue Mountains.

Flood Watch issued November 21 at 1:30PM PST until November 23 at 4:00AM PST by NWS Seattle WA

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...Through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - The Skokomish River in Mason County will remain near flood stage today with minor flooding possible on Friday. - http://www.weather.gov/safety/flood