Lewis County, WA 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 Lewis County.

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

Blizzard Warning issued November 18 at 10:11PM PST until November 20 at 10:00AM PST by NWS Pendleton OR

...STRONG WINDS AND MODERATE TO HEAVY SNOW WILL CREATE TREACHEROUS CONDITIONS ACROSS THE MOUNTAINS TUESDAY EVENING THROUGH WEDNESDAY MORNING... .A strong offshore system will bring significant winds and snowfall to the mountains and slopes of the region. These will bring notably hazardous conditions, including periods of very low to whiteout visibilities, alongside accumulating snowfall. * WHAT...Blizzard conditions expected above 2000 feet. Total snow accumulations between 8 and 20 inches. Winds gusting as high as 60 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening.

Winter Storm Warning issued November 18 at 10:11PM PST until November 20 at 10:00AM PST by NWS Pendleton OR

...STRONG WINDS AND MODERATE TO HEAVY SNOW WILL CREATE TREACHEROUS CONDITIONS ACROSS THE MOUNTAINS TUESDAY EVENING THROUGH WEDNESDAY MORNING... .A strong offshore system will bring significant winds and snowfall to the mountains and slopes of the region. These will bring notably hazardous conditions, including periods of very low to whiteout visibilities, alongside accumulating snowfall. * WHAT...Heavy snow expected. Total snow accumulations of 6 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significantly lowered visibilities in stronger winds will be possible.

Winter Weather Advisory issued November 18 at 10:11PM PST until November 20 at 10:00AM PST by NWS Pendleton OR

...STRONG WINDS AND MODERATE TO HEAVY SNOW WILL CREATE TREACHEROUS CONDITIONS ACROSS THE MOUNTAINS TUESDAY EVENING THROUGH WEDNESDAY MORNING... .A strong offshore system will bring significant winds and snowfall to the mountains and slopes of the region. These will bring notably hazardous conditions, including periods of very low to whiteout visibilities, alongside accumulating snowfall. * WHAT...Wet snow expected. Total snow accumulations 2 to 4 inches, locally 6-8 across the higher terrain. Winds gusting as high as 35 mph. * WHERE...Kittitas Valley. * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

High Surf Advisory issued November 18 at 9:52PM PST until November 20 at 4:00PM PST by NWS Portland OR

* WHAT...Large waves and hazardous surf conditions. Breakers 20 to 25 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From 7 PM Tuesday to 4 PM PST Wednesday. * 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.

Winter Storm Warning issued November 18 at 9:45PM PST until November 20 at 10:00AM PST by NWS Spokane WA

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Winds could gust as high as 40 mph on the Waterville Plateau. * WHERE...Badger Mountain Road, Wenatchee, Waterville, Entiat, Leavenworth, Chelan, Number 2 Canyon, Number 1 Canyon, Plain, Mansfield, Pangborn Airport, and Cashmere. * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult. Light snow will develop during the Tuesday evening commute and heavy snow will be possible by the Wednesday morning commute. Gusty winds could bring down tree branches and result in blowing snow over the Waterville Plateau.

Blizzard Warning issued November 18 at 9:45PM PST until November 20 at 10:00AM PST by NWS Spokane WA

* WHAT...Blizzard conditions expected for elevations above 2500 feet. Total snow accumulations between 8 and 16 inches. Winds gusting as high as 50 mph for portions of US 2 from Nason Creek to Stevens Pass. * WHERE...Stehekin, Holden Village, and Stehekin * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will be possible at times.

Winter Weather Advisory issued November 18 at 9:45PM PST until November 20 at 10:00AM PST by NWS Spokane WA

* WHAT...Snow expected. For areas along and north of I-90, total snow accumulations between 2 and 4 inches. For areas south of I-90, total snow accumulations between 1 and 3 inches. * WHERE...Cheney, Davenport, Tekoa, Grand Coulee, Moscow, Harrington, Oakesdale, Wilbur, Odessa, Post Falls, Coeur d'Alene, Creston, Airway Heights, Pullman, Coulee City, Hayden, Ritzville, Downtown Spokane, Spokane Valley, Colfax, La Crosse, Potlatch, Worley, Fairfield, Rosalia, Uniontown, Rockford, Plummer, and Genesee. * WHEN...From 10 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Plan on slippery road conditions. Winter driving conditions could impact the Wednesday morning commute.

Winter Storm Warning issued November 18 at 9:45PM PST until November 20 at 4:00PM PST by NWS Spokane WA

* WHAT...Heavy snow expected. Total snow accumulations between 7 to 12 inches in the valleys and 12 and 20 inches in the mountains. Winds could gust as high as 50 mph on the ridgetops. * WHERE...Mazama, Methow, Loup Loup Pass, Conconully, Twisp, and Winthrop. * WHEN...From 4 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility in the mountains. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will be possible at times.

Winter Storm Warning issued November 18 at 9:45PM PST until November 20 at 4:00PM PST by NWS Spokane WA

* WHAT...Heavy snow. Total snow accumulations between 4 and 8 inches in the valleys and 8 and 13 inches in the mountains. Winds could gust as high as 30 mph. * WHERE...Republic, Oroville, Omak, Disautel Pass, Wauconda, Bridgeport, Sherman Pass, Chesaw Road, Nespelem, Boulder Creek Road, Okanogan, Tonasket, Brewster, Inchelium, and Highway 20 Wauconda Summit. * WHEN...From 10 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Winter driving conditions could impact the Wednesday morning and evening commute. * ADDITIONAL DETAILS...Snowfall rates of 1 inch per hour will be possible at times.

Winter Weather Advisory issued November 18 at 9:45PM PST until November 20 at 10:00PM PST by NWS Spokane WA

* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches in the valleys and 6 and 12 inches in the mountains. * WHERE...Springdale-Hunters Road, Tiger, Schweitzer Mountain Road, Sandpoint, Kettle Falls, Metaline, Metaline Falls, Orin-Rice Road, Priest River, Flowery Trail Road, Ione, Eastport, Athol, Chewelah, Deer Park, Fruitland, Bonners Ferry, Colville, Newport, Clark Fork, and Northport. * WHEN...From midnight Tuesday Night to 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes.

Winter Weather Advisory issued November 18 at 9:38PM PST until November 20 at 10:00AM PST by NWS Portland OR

* WHAT...Snow. Additional snow accumulations of 3 and 10 inches for tonight through Tuesday afternoon. Snow will increase again later Tuesday afternoon. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Travel could be difficult at times.

Flood Watch issued November 18 at 4:03PM PST until November 21 at 4:00AM PST by NWS Seattle WA

Precipitation in the south slopes of the Olympics Tuesday night into Wednesday could push the already running high Skokomish River over flood stage. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...From late Tuesday night through late Wednesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Two to three inches of rain in the Olympics will force sharp rises on the Skokomish River with flooding possible. Relatively low snow levels may diminish the chance of flooding. - http://www.weather.gov/safety/flood

High Wind Warning issued November 18 at 2:17PM PST until November 20 at 4:00AM PST by NWS Portland OR

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...South Washington Coast. * WHEN...From 4 PM Tuesday to 4 AM PST Wednesday. * 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...Strongest gusts expected on beaches and headlands.

Wind Advisory issued November 18 at 2:17PM PST until November 20 at 4:00AM PST by NWS Portland OR

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From 4 PM Tuesday to 4 AM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Blizzard Warning issued November 18 at 12:59PM PST until November 20 at 10:00AM PST by NWS Seattle WA

* WHAT...Blizzard conditions expected at or above elevations greater than 2500 ft. Total snow accumulations between 4 and 12 inches, with locally higher amounts over the highest peaks. Winds gusting as high as 60 mph. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 4 PM Tuesday to 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Strong east winds and slightly warmer temperatures will cause snow levels to be closer to 3000 feet through the Cascade Passes. The greatest reductions in visibility will likely occur near and east of the Cascade Crest.

Winter Weather Advisory issued November 18 at 12:59PM PST until November 20 at 4:00PM PST by NWS Seattle WA

* WHAT...Snow expected at or above elevations greater than 2000 ft. Total snow accumulations up to 12 to 24 inches with locally higher amounts over the highest peaks. Blizzard-like conditions are possible at times due to winds gusting as high as 50 mph. * WHERE...Olympics. * WHEN...From 4 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Highest east winds will occur along the northern slopes Tuesday evening into early Monday morning.

Wind Advisory issued November 18 at 12:41PM PST until November 20 at 4:00AM PST by NWS Seattle WA

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest and west central Washington. * WHEN...From 2 PM Tuesday to 4 AM PST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds will occur Tuesday evening into early Wednesday morning. Significant impacts may occur at lower-than-usual wind speeds due to the atypical easterly wind direction.

High Wind Warning issued November 18 at 12:41PM PST until November 20 at 4:00AM PST by NWS Seattle WA

* WHAT...East to southeast winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Coast, North Coast, Western Strait of Juan De Fuca, Bellevue and Vicinity, and East Puget Sound Lowlands. * WHEN...From 2 PM Tuesday to 4 AM PST Wednesday. * 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...Strongest winds will occur Tuesday evening into early Wednesday morning. Significant impacts may occur at lower-than-usual wind speeds due to the atypical easterly wind direction.