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...A WINTER STORM HITS SOUTHERN OREGON AND NORTHERN CALIFORNIA... .An atmospheric river and stationary front will bring impactful winter weather to the region Sunday through Monday with the most significant impacts Monday morning. The snowfall accumulation will be unusually high east of the Cascades. Travel impacts are likely, especially east of the Cascades and over Siskiyou Summit through this event. Snow will continue to accumulate into Tuesday, although the locations, intensity and elevations will change. * WHAT...Heavy wet snow expected Above 2000 feet. Total snow accumulations between 4 and 12 inches. 1 to 2 inches of snow is possible between 1500 and 2000 feet. Highest totals are anticipated in the southern part of the County, with lowest snow levels during late Sunday night through Monday morning. * WHERE...Elevations above 2000 feet Jackson County. This includes portions of Highway 140, Highway 66, and Interstate 5. * WHEN...From 4 PM this afternoon to 10 PM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions will likely impact the Monday morning commute.

* WHAT...Very cold wind chills as low as 5 to 15 degrees expected. * WHERE...Western Whatcom County. * WHEN...From 7 PM this evening to 10 AM PST Wednesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure and will impact vulnerable populations such as the homeless, pets, and those without adequate access to heating.

* WHAT...Very cold wind chills as low as 10 to 20 degrees expected. * WHERE...San Juan County. * WHEN...From 10 PM this evening to 10 AM PST Monday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure and will impact vulnerable populations such as the homeless, pets, and those without adequate access to heating.

Snow will continue through this morning for ares of southern and eastern Grant County causing slick roadways and reduced visibilities. 2-4 inches of snow are possible. Motorists are urged to use caution when traveling today.

* WHAT...Snow. Additional snow accumulations between 2 and 7 inches. * WHERE...In Oregon, Clackamas County Cascade Foothills, West Columbia River Gorge of Oregon above 500 ft, and Cascade Foothills of Marion and Linn Counties. In Washington, South Washington Cascade Foothills. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected, mainly in the morning and overnight hours. Total snow accumulations up to 3 inches. * WHERE...Cowlitz County Lowlands. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Heavy snow. Additional snow accumulations between 4 and 8 inches. * WHERE...In Oregon, North Oregon Coast Range. In Washington, Willapa Hills. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected, mainly in the morning and overnight hours. Total snow accumulations between 2 and 4 inches. * WHERE...In Oregon, North Oregon Coast Range Lowlands. In Washington, Willapa and Wahkiakum Lowlands. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected. Total snow accumulations up to 3 inches. * WHERE...Lane County Cascade Foothills. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Additional snow accumulations between 2 and 7 inches. * WHERE...In Oregon, Clackamas County Cascade Foothills, West Columbia River Gorge of Oregon above 500 ft, and Cascade Foothills of Marion and Linn Counties. In Washington, South Washington Cascade Foothills. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected above 1000 feet. Total snow accumulations between 2 and 4 inches. * WHERE...Upper Hood River Valley. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Heavy snow. Additional snow accumulations between 4 and 8 inches. * WHERE...In Oregon, North Oregon Coast Range. In Washington, Willapa Hills. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected, mainly in the morning and overnight hours. Total snow accumulations between 2 and 4 inches. * WHERE...In Oregon, North Oregon Coast Range Lowlands. In Washington, Willapa and Wahkiakum Lowlands. * WHEN...Until 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow showers expected. Total snow accumulations between 1 and 3 inches. * WHERE...Hood Canal Area and Tacoma Area. * WHEN...Until 1 PM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Sub freezing temperatures combined with leftover moisture could produce slick roads in the late night and morning hours.

* WHAT...Snow showers expected. Total snow accumulations between 1 and 4 inches. Best chances for higher accumulations North Coast and Northwest Interior. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 1 PM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Sub freezing temperatures combined with leftover moisture could produce slick roads in the late night and morning hours.

* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. * WHERE...Ochoco-John Day Highlands. * WHEN...From 2 AM Monday to 4 AM PST Tuesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Snow expected. Total snow accumulations 5 to 7 inches near the crest. Winds gusting as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow.

* WHAT...Snow expected. Additional snow accumulations of 2 to 4 inches in valleys with up to 10 inches in the mountains. Winds gusting as high as 50 mph in southern Malheur County along the Nevada border, light winds elsewhere. * WHERE...In Idaho, Camas Prairie and Upper Weiser River. In Oregon, Malheur County. * WHEN...Until 5 PM MST /4 PM PST/ Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes.