NOAA Current Watches-OR

...SNOW AND AREAS OF FREEZING RAIN TONIGHT THROUGH SATURDAY... .A significant change in the weather pattern begins tonight as winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Snow expected. Total snow accumulations between 5 and 10 inches with higher accumulations near the crest. Winds gusting as high as 50 mph along exposed ridgetops. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 10 PM this evening to 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow levels will rise from around 4000 feet Thursday night to around 5000 feet Friday afternoon. Snow levels will then lower to around 3000 feet and lower Friday night onward.

...SNOW AND AREAS OF FREEZING RAIN TONIGHT THROUGH SATURDAY... .A significant change in the weather pattern begins tonight as winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Mixed precipitation expected. Light freezing rain will create ice accumulations of a glaze to one tenth of an inch. Little to no snow accumulation. * WHERE...Lower Columbia Basin of Oregon and Washington, Kittitas Valley, and Yakima Valley. * WHEN...From 10 PM this evening to 10 AM PST Friday. * IMPACTS...The hazardous conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...Although the air temperature will be in the lower 30s for most areas, the road temperatures will be below freezing that will create light ice accumulations.

* WHAT...Snow and blowing snow expected. Total snow accumulations 2 to 6 inches except up to 10 inches over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. * WHERE...Lake County and eastern Klamath County, Modoc County, and Klamath Basin. This includes Highway 97 north of Chiloquin, Highway 140 near Bly Summit, Quartz Mountain and in the Warners east of Lakeview. Also Highway 31 from Valley Falls to Silver Lake. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Friday morning and evening commutes. Strong winds could cause blowing and drifting snow with limited visibility and some power disruptions.

* WHAT...Heavy snow expected. Total snow accumulations between 12 and 24 inches above 5000 feet, with up to 30 inches possible over the highest peaks and ridgetops. Winds gusting as high as 50 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes Highways 138 and 230 near Diamond Lake, Highway 62 near Crater Lake, Highway 140 near Lake of the Woods and Highway 58 at Willamette Pass and the Mt Ashland Ski Road up to the resort. * WHEN...From 1 AM Friday to 10 AM PST Saturday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...Snowfall rates from 10 am to 4 pm PST Friday and from 10 pm Friday to 4 am PST Saturday could reach 1 inch per hour at times.

* WHAT...Heavy snow possible above 3000 feet. Total snow accumulations between 6 and 12 inches, and up to 15 inches above 5000 ft. Winds could gust as high as 40 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From this evening through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start around 4000-5000 ft Thursday evening into Friday, before lowering to 3000-3500 ft Friday night.

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 AM PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12 inches possible, heaviest above 4000 to 4500 feet. Winds could gust as high as 40 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From this evening through Saturday afternoon. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels will rise from around 4000 feet Thursday night to around 5000 feet Friday afternoon. Snow levels will then lower to around 3000 feet and lower Friday night onward.

* WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Northern Blue Mountains of Oregon and Washington above 4000 feet. * WHEN...From late tonight through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. * ADDITIONAL DETAILS...Total snowfall accumulations for I-84 along the Blue Mountains, including Meacham, are only expected to be around 3 to 5 inches.

* WHAT...Snow and blowing snow expected. Total snow accumulations 2 to 6 inches except up to 10 inches over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. * WHERE...Lake County and eastern Klamath County, Modoc County, and Klamath Basin. This includes Highway 97 north of Chiloquin, Highway 140 near Bly Summit, Quartz Mountain and in the Warners east of Lakeview. Also Highway 31 from Valley Falls to Silver Lake. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Friday morning and evening commutes. Strong winds could cause blowing and drifting snow with limited visibility and some power disruptions.

* WHAT...Heavy snow expected. Total snow accumulations between 12 and 24 inches above 5000 feet, with up to 30 inches possible over the highest peaks and ridgetops. Winds gusting as high as 50 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes Highways 138 and 230 near Diamond Lake, Highway 62 near Crater Lake, Highway 140 near Lake of the Woods and Highway 58 at Willamette Pass and the Mt Ashland Ski Road up to the resort. * WHEN...From 1 AM Friday to 10 AM PST Saturday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...Snowfall rates from 10 am to 4 pm PST Friday and from 10 pm Friday to 4 am PST Saturday could reach 1 inch per hour at times.

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Lake County and eastern Klamath County, South Central Oregon Coast, Curry County Coast, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and Klamath Basin. * WHEN...Until noon PST today. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

The Winter Weather Advisory has been replaced. Please see the latest information from NWS Medford OR on this developing situation.

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12 inches possible, heaviest above 4000-4500 feet. Winds could gust as high as 40 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. * ADDITIONAL DETAILS...Snow levels will rise from around 4000 feet Thursday night to around 5000 feet Friday afternoon. Snow levels will then lower to around 3000 feet or less Friday night.

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Lake County and eastern Klamath County, South Central Oregon Coast, Curry County Coast, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and Klamath Basin. * WHEN...Until noon PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...Heavy snow possible above 3000 feet. Total snow accumulations between 6 and 12 inches, and up to 15 inches above 5000 ft. Winds could gust as high as 40 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start around 4000-5000 ft Thursday evening into Friday, before lowering to 3000-3500 ft Friday night.

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...Very cold temperatures as low as 24. * WHERE...Central and Southern Willamette Valley, Tualatin Valley, and North Clark County Lowlands. * WHEN...Until 10 AM PST this morning. * IMPACTS...Hypothermia can occur with prolonged exposure to these temperatures.

* WHAT...Snow expected. Total snow accumulations between 12 and 24 inches above 5000 feet, with up to 30 inches possible over the highest peaks and ridgetops. Winds gusting as high as 50 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes Highways 138 and 230 near Diamond Lake, Highway 62 near Crater Lake, and Highway 58 at Willamette Pass. * WHEN...From 4 AM Friday to 10 PM PST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes as well as weekend travel. Gusty winds could bring down tree branches as well as cause areas of blowing snow and limited visibility.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Freeze Warning, sub-freezing temperatures as low as 30 expected. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warning this morning, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, until 9 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.