Aggregator

* WHAT...Snow above 3500 feet. Snow accumulations 7 to 15 inches. * WHERE...Washington Pass, Sherman Pass, Loup Loup Pass, and Highway 20 Wauconda Summit. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Travel could be very difficult. Expect winter driving conditions on the Highway 20 mountain passes. * ADDITIONAL DETAILS...Snow will pick up again later this evening and tonight in north central Washington.

* WHAT...Snow expected above 3500 feet. Total snow accumulations 4 to 8 inches. * WHERE...Stevens Pass. * WHEN...From 11 PM this evening to 5 AM PDT Saturday. * IMPACTS...Travel could be difficult. Expect winter driving conditions at Stevens Pass. * ADDITIONAL DETAILS...Temperatures will warm to around freezing Friday afternoon which will lead to heavy, wet snow at Stevens Pass.

* WHAT...Snow expected mainly above 4000 feet. Total snow accumulations 6 to 11 inches. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 11 PM this evening to 5 AM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Snow Above 4000 feet. Additional snow accumulations between 3 and 6 inches around pass levels and around a foot in the higher elevations. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

* WHAT...Snow above 3500 feet. Additional Snow accumulations 6 to 12 inches. * WHERE...Washington Pass, Loup Loup Pass, Highway 20 Wauconda Summit, and Sherman Pass. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Expect winter driving conditions at the mountain passes. * ADDITIONAL DETAILS...There will be a break in the snowfall today but will pick up again tonight through Friday.

* WHAT...Wet snow expected above 4000 feet. Total snow accumulations of 4 to 8 inches between 4000 and 5000 feet, with up to 16 inches above 5000 feet. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Snow expected at or above elevations greater than 5000 ft. Total snow accumulations between 6 and 10 inches. * WHERE...West Slopes North Cascades and Passes. Primary area of concern will be along Highway 20 in the area of Rainy Pass. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...There will be a brief break in the steadier snowfall today before snow increases in intensity tonight through Friday.

* WHAT...Snow expected at or above elevations greater than 4000 ft. Total snow accumulations between 8 and 24 inches. Winds gusting as high as 40 mph. * WHERE...West Slopes South Central Cascades and Passes. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...There will be a brief break in the steadier snowfall this morning, snow will then increase in intensity later this afternoon and continue through Friday. The heaviest snowfall amounts will be above 5000 feet.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 feet this afternoon and evening. Precipitation will be more showery today, increasing in intensity tonight into Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. Winds too will become gusty from the south tonight which will increase chances for blowing snow and reduced visibility. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 10 to 17 inches above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 feet this afternoon and evening. Precipitation will be more showery today, increasing in intensity tonight into Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. Winds too will become gusty from the south tonight which will increase chances for blowing snow and reduced visibility. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 10 to 17 inches above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 feet this afternoon and evening. Precipitation will be more showery today, increasing in intensity tonight into Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. Winds too will become gusty from the south tonight which will increase chances for blowing snow and reduced visibility. * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 12 to 24 inches above 5000 feet. * WHERE...Cascades of Marion and Linn Counties. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 feet this afternoon and evening. Precipitation will be more showery today, increasing in intensity tonight into Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. Winds too will become gusty from the south tonight which will increase chances for blowing snow and reduced visibility. * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 12 to 28 inches above 5000 feet. * WHERE...Cascades of Lane County. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes.

* WHAT...Heavy snow above 5000 ft. Additional snow accumulations between 1 to 2 feet. Winds gusting as high as 50 mph. * WHERE...Southern Oregon Cascades north of Highway 140, including Crater Lake National Park, Diamond Lake and Highways 230, 62 and 138 as well as Highway 58 at Willamette Pass. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The heaviest snow is expected late this morning and afternoon, when 1 inch per hour rates are likely (70-90% chance).

* WHAT...Visibility at a quarter mile or less in dense fog. * WHERE...Yakima Valley. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Dense Fog has been observed along I-82 between Grandview and Parker.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of the Rogue Valley in Josephine and Jackson Counties. This includes the communities of Medford, Grants Pass, Rogue River and Jacksonville. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Isolated to scattered showers are likely to improve conditions at times this morning, but expect dense fog for these areas when between showers.

* WHAT...Large breaking waves between 23 and 26 feet. * WHERE...South Central Oregon Coast in Coos, Curry and Douglas Counties. * WHEN...From 11 AM Thursday to 5 AM PDT Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Heavy snow above 5000 ft. Additional snow accumulations between 8 and 36 inches. Winds gusting as high as 50 mph. * WHERE...Southern Oregon Cascades north of Highway 140, including Crater Lake National Park, Diamond Lake and Highways 230, 62 and 138 as well as Highway 58 at Willamette Pass. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The heaviest snow is expected during the afternoons today and Thursday, when 1 inch per hour rates are likely (70-90% chance). 1 inch an hour rates will be possible (70 to 90% chance) between 3 pm and 9 pm Wednesday and 1.5 to 2 inch an hour possible (40 to 60% chance) between 5 and 8 pm Wednesday. There will be a relative lull in snow accumulations late Wednesday night while the region is between fronts.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 to 5000 feet this afternoon and evening. A lull in snow will most likely occur tonight before additional snow showers bring higher snowfall rates to the Cascades Thursday into early Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 10 to 18 inches above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 to 5000 feet this afternoon and evening. A lull in snow will most likely occur tonight before additional snow showers bring higher snowfall rates to the Cascades Thursday into early Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 10 to 18 inches above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

...EARLY SEASON SNOWFALL TO THE CASCADES THROUGH FRIDAY AFTERNOON... .A cold front will bring a rapid onset of accumulating snow above 4000 to 5000 feet this afternoon and evening. A lull in snow will most likely occur tonight before additional snow showers bring higher snowfall rates to the Cascades Thursday into early Friday. Highest accumulations will be above 5000 feet and in the Linn and Lane County Cascades. * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches above 4000 feet and 12 to 24 inches above 5000 feet. * WHERE...Cascades of Lane County. * WHEN...Until 5 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.