Grass Valley, OR 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 Grass Valley.

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

Winter Weather Advisory issued November 4 at 1:41PM PST until November 5 at 4:00PM PST by NWS Pendleton OR

* WHAT...Snow above 4500 feet. Additional snow accumulations between 4 and 9 inches. Winds gusting as high as 45 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 4 PM 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.

Beach Hazards Statement issued November 4 at 1:20PM 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...Until 10 PM PST 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 13 to 15 ft with a period of 15 to 17 seconds will impact the coastline through tonight.

Wind Advisory issued November 4 at 12:56PM PST until November 5 at 7:00AM PST by NWS Pendleton OR

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, and North Central Oregon. * WHEN...Until 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. * ADDITIONAL DETAILS...Brief gusts to 60 mph or sustained winds to 40 mph may briefly be possible, particularly with the initial round of winds this afternoon, but widespread speeds/gusts should remain below high wind warning levels.

Wind Advisory issued November 4 at 12:56PM PST until November 5 at 7:00AM PST by NWS Pendleton OR

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Central Oregon. * WHEN...Until 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 12:56PM PST until November 5 at 7:00AM PST by NWS Pendleton OR

* WHAT...West winds 30 to 45 mph with gusts of 60 to 70 mph expected. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Kittitas Valley, and Simcoe Highlands. * WHEN...Until 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.