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Winter Weather Advisory issued December 15 at 5:22PM PST until December 17 at 4:00AM PST by NWS Medford OR

1 week ago
* WHAT...Snow expected. Total snow accumulations 3 to 8 inches, except up to 12 inches over the higher elevations. Winds gusting as high as 45 mph. * WHERE...Northern and Eastern Klamath County and Western Lake County County, including Highway 97 north of Chiloquin to Chemult and Crescent as well as most of Winter Rim. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Travel could be difficult with slippery, snow covered roads and reduced visibility. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Periods of snow tonight into Monday morning may taper off for a while Monday afternoon, but pick up again Monday night.
NWS

Coastal Flood Advisory issued December 15 at 3:57PM PST until December 16 at 4:00PM PST by NWS Seattle WA

1 week ago
* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...Central Coast zone. * WHEN...From 10 AM to 4 PM PST Monday. * 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 around high tide, which will occur around 1 PM PST on Monday.
NWS

Coastal Flood Advisory issued December 15 at 3:57PM PST until December 16 at 10:00AM PST by NWS Seattle WA

1 week ago
* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...San Juan County, Western Whatcom County and Western Skagit County zones. * WHEN...From 4 AM to 10 AM PST Monday. * 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 around high tide, which will occur around 7 AM PST on Monday.
NWS

Hydrologic Outlook issued December 15 at 3:21PM PST by NWS Seattle WA

1 week ago
ESFSEW An atmospheric river storm system will move through the region Tuesday and Wednesday, bringing in potentially significant rainfall that could drive some rivers in western Washington into flood stage. There is still a fair amount of uncertainty regarding river flooding mid-week, but the latest rainfall forecast shows 4 to 7 inches over the Olympic Peninsula with snow levels as high as 6000-7000 feet. Models show large variability in the forecast, with as much as 8 inches or higher over the Olympics in less than 48 hours. The northern and central Cascades will also see heavy rainfall during this period, with up to 4 inches of liquid forecast through Wednesday. The Skokomish River is currently forecast to enter moderate flood stage by Wednesday, and other area rivers will continue to be monitored including the Chehalis River. Forecast models show potential for additional significant precipitation entering western Washington towards the end of the week, which could cause additional river flooding impacts. Please monitor the latest river forecasts from the National Weather Service for additional information.
NWS

Winter Weather Advisory issued December 15 at 2:04PM PST until December 16 at 5:00PM PST by NWS Spokane WA

1 week ago
* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. * WHERE...Grand Coulee, Highway 20 Wauconda Summit, Coulee City, Republic, Ritzville, Wilbur, Chesaw Road, Sherman Pass, Wauconda, Odessa, Creston, Harrington, Inchelium, and Boulder Creek Road. * WHEN...From 7 AM to 5 PM PST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning and evening commutes.
NWS

Winter Weather Advisory issued December 15 at 2:04PM PST until December 16 at 1:00PM PST by NWS Spokane WA

1 week ago
* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. * WHERE...Wenatchee, Waterville, Chelan, Mansfield, Brewster, Tonasket, Oroville, Number 2 Canyon, Okanogan, Disautel Pass, Cashmere, Omak, Entiat, Bridgeport, Number 1 Canyon, Nespelem, Pangborn Airport, and Badger Mountain Road. * WHEN...From 1 AM to 1 PM PST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute.
NWS

Winter Weather Advisory issued December 15 at 2:04PM PST until December 16 at 1:00PM PST by NWS Spokane WA

1 week ago
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Twisp, Holden Village, Conconully, Stevens Pass, Methow, Plain, Leavenworth, Winthrop, Mazama, Stehekin, and Loup Loup Pass. * WHEN...From 1 AM to 1 PM PST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute.
NWS

Winter Weather Advisory issued December 15 at 2:00PM PST until December 16 at 10:00PM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Snow expected above 4000 feet. Total snow accumulations between 3 to 8 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 PM this evening to 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.
NWS

Winter Weather Advisory issued December 15 at 2:00PM PST until December 16 at 4:00PM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Snow expected. Total snow accumulations between 4 to 8 inches. * WHERE...Upper and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From 10 PM this evening to 4 PM PST Monday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.
NWS

Winter Storm Warning issued December 15 at 2:00PM PST until December 17 at 10:00AM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Heavy snow expected Above 4000 Feet. Total snow accumulations between 5 and 10 inches. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.
NWS

Winter Storm Warning issued December 15 at 2:00PM PST until December 17 at 10:00AM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Heavy snow expected Above 4000 Feet. Total snow accumulations between 8 and 16 inches. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions.
NWS

Winter Weather Advisory issued December 15 at 2:00PM PST until December 16 at 10:00PM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Snow expected above 4000 feet. Total snow accumulations between 3 to 8 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 PM this evening to 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.
NWS

Winter Weather Advisory issued December 15 at 2:00PM PST until December 16 at 10:00PM PST by NWS Pendleton OR

1 week ago
...SIGNIFICANT MOUNTAIN SNOWFALL IS ANTICIPATED TONIGHT THROUGH MONDAY... .A significant winter system will move into the area tonight, providing ample snowfall that will impact travel across the Cascades, Blues, and the John Day-Ochoco Highlands through Tuesday. * WHAT...Snow expected Above 4000 Feet. Total snow accumulations between 4 and 7 inches. * WHERE...Southern Blue Mountains of Oregon. * WHEN...From 10 PM this evening to 10 PM PST Monday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.
NWS

Winter Storm Warning issued December 15 at 1:40PM PST until December 17 at 10:00AM PST by NWS Portland OR

1 week ago
* WHAT...Heavy snow expected above 4000 feet. Total snow accumulations up to 20 inches. * WHERE...Northern and Central Oregon Cascades. * WHEN...From 8 PM this evening to 10 AM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snow totals between 3000 and 4000 feet of 4 to 10 inches possible.
NWS

Winter Weather Advisory issued December 15 at 1:17PM PST until December 16 at 1:00PM PST by NWS Seattle WA

1 week ago
* WHAT...Snow expected at or above elevations greater than 3000 ft. Total snow accumulations between 2 and 6 inches. * WHERE...West Slopes North Central Cascades and Passes and West Slopes South Central Cascades and Passes. * WHEN...From 1 AM to 1 PM PST Monday. * IMPACTS...Travel could be very difficult, especially during the morning commute through the Cascade Passes.
NWS

Winter Weather Advisory issued December 15 at 1:55PM MST until December 16 at 2:00PM MST by NWS Boise ID

1 week ago
* WHAT...Snow expected. Total snow accumulation of 1 and 4 inches. Gusty southeast winds will accompany snowfall in Baker County. * WHERE...In Idaho, Upper Weiser River Basin. In Oregon, Baker County. * WHEN...From 11 PM MST /10 PM PST/ this evening to 2 PM MST /1 PM PST/ Monday. * IMPACTS...Roads will likely become slick and hazardous. Travel could be difficult especially along Interstate 84 west of Ontario and Highway 95 north of Weiser. The hazardous conditions could impact the Monday morning commute.
NWS

Winter Weather Advisory issued December 15 at 12:39PM PST until December 17 at 4:00AM PST by NWS Medford OR

1 week ago
* WHAT...Snow expected. Total snow accumulations between 5 and 15 inches. Winds gusting as high as 40 mph. * WHERE...The southern Oregon Cascades north of Lake of the Woods, including Crater Lake National Park and the Cascade passes along Highways 62, 138, 230, and 58. * WHEN...From 10 PM this evening to 4 AM PST Tuesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...The highest storm total snow will be north of Lake of the Woods, including Crater Lake, Diamond Lake, and Willamette Pass.
NWS

Wind Advisory issued December 15 at 11:23AM PST until December 16 at 1:00PM PST by NWS Medford OR

1 week ago
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of Lake, Modoc, and eastern Klamath Counties, including Valley Falls, Paisley, Summer Lake, portions of HIgwhays 31 and 395, and the higher terrain of the Warners, Winter Rim, and Hart mountains. * WHEN...From 1 AM to 1 PM PST Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
NWS