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.

High Surf Advisory issued December 14 at 2:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...For the Coastal Flood Warning, significant coastal flooding. Inundation of 2 to 2.5 feet above ground level is possible along shorelines and low-lying coastal areas. For the High Surf Advisory, large breaking waves of 16 to 24 feet in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...For the Coastal Flood Warning, until 2 PM PST this afternoon. For the High Surf Advisory, until 4 PM PST this afternoon. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shorline erosion or damage may occur. Dangerous swimming and surfing conditions and localized beach erosion. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 1 PM. Waves and winds may locally exacerbate impacts due to coastal flooding, particularly along south and southeast-facing shorelines.

Coastal Flood Warning issued December 14 at 2:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...Significant coastal flooding. Inundation of around 2.5 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...San Juan County zone. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shorline erosion or damage may occur. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 1 PM. Winds and large breaking waves will exacerbate impacts due to coastal flooding.

Coastal Flood Advisory issued December 14 at 2:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...Minor coastal flooding. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...Western Whatcom County and Western Skagit County zones. * WHEN...Until 9 AM PST this morning. * IMPACTS...Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected. * ADDITIONAL DETAILS...Highest impacts will occur in the hours near high tide at around 6 AM. Winds and waves may locally exacerbate impacts, particularly along south and southeast- facing shorelines.

Winter Weather Advisory issued December 14 at 1:24PM PST until December 15 at 4:00AM PST by NWS Portland OR

* WHAT...Snow expected above 3500 feet. Total snow accumulations 6 to 10 inches. * WHERE...South Washington Cascades. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Travel could be very difficult.

Winter Weather Advisory issued December 14 at 1:09PM PST until December 15 at 7:00AM PST by NWS Pendleton OR

...SIGNIFICANT SNOWFALL ANTICIPATED TONIGHT INTO SUNDAY MORNING ACROSS THE OREGON CASCADES AND NORTHERN BLUE MOUNTAINS... * WHAT...Snow for elevations above 4500 feet. Additional snow accumulations up to 6 inches. Winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.

High Surf Advisory issued December 14 at 12:54PM PST until December 14 at 10:00PM PST by NWS Portland OR

* WHAT...Large waves and hazardous surf conditions. Breakers up to 23 feet. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...Until 10 PM PST this evening. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Minor beach erosion may damage coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline.

Wind Advisory issued December 14 at 12:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...North Coast. * WHEN...Until 4 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.

Wind Advisory issued December 14 at 12:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...Southwest winds 15 to 20 mph with gusts up to 30 mph. * WHERE...Hood Canal Area, Bremerton and Vicinity, Seattle and Vicinity, and Tacoma Area. * WHEN...Until 4 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.

Wind Advisory issued December 14 at 12:42PM PST until December 14 at 4:00PM PST by NWS Seattle WA

* WHAT...South winds 20 to 30 mph with gusts up to 40 mph. * WHERE...Admiralty Inlet Area, Central Coast, San Juan County, Western Skagit County, Western Whatcom County, and Everett and Vicinity. * WHEN...Until 4 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.

Winter Weather Advisory issued December 14 at 12:27PM PST until December 15 at 4:00AM PST by NWS Seattle WA

* WHAT...Snow at or above elevations greater than 3500 ft. Additional snow accumulations up to 11 inches. Winds gusting as high as 35 mph. * WHERE...West Slopes North Central Cascades and Passes. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Travel could be very difficult.

Winter Weather Advisory issued December 14 at 12:27PM PST until December 15 at 4:00AM PST by NWS Seattle WA

* WHAT...Snow expected at or above elevations greater than 3500 ft. Total snow accumulations at White Pass of 8 to 12 inches expected. * WHERE...West Slopes South Central Cascades and Passes. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible.

Winter Storm Warning issued December 14 at 12:27PM PST until December 15 at 4:00AM PST by NWS Seattle WA

* WHAT...Heavy snow at or above elevations greater than 3500 ft. Additional snow accumulations between 6 and 15 inches. Winds gusting as high as 45 mph. * WHERE...West Slopes North Cascades and Passes. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches.

Winter Weather Advisory issued December 14 at 7:51AM PST until December 15 at 6:00AM PST by NWS Spokane WA

* WHAT...Snow. Snow during the day will be light with 1 to 2 inches expected. After sunset through early Sunday morning snow accumulations of 4 to 7 inches will fall. * WHERE...Stevens Pass, Holden Village. * WHEN...Until 6 AM PST Sunday. * IMPACTS...Motorists should be prepared for winter driving conditions.