Aggregator

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Washington and North and Central Oregon Coast. * WHEN...Until 9 AM PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...As skies clear overnight, fog will be forming. Expect areas of fog to be mainly in the lowlands along rivers and near bays. As light east winds pick up Monday morning, fog will thin and dissipate.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central and Southern Willamette Valley, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Portland West Hills and Chehalem Mountain, Inner Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, Inner Vancouver Metro, and South Washington Cascade Foothills. * WHEN...Until noon PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of fog and dense fog is forming across the south and central Willamette Valley this evening, where skies have cleared. As clouds break up elsewhere, will see areas of fog and dense fog form overnight.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Washington and North and Central Oregon Coast. * WHEN...Until 9 AM PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...As skies clear overnight, fog will be forming. Expect areas of fog to be mainly in the lowlands along rivers and near bays. As light east winds pick up Monday morning, fog will thin and dissipate.

* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Portions of southwest Idaho and southeast Oregon. This includes Interstate 84 from Boise to Ontario and Highway 95 from Weiser to Council. * WHEN...Until 11 AM MST Monday. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Snow above 4500 feet. Additional snow accumulations up to 4 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 8 PM PST this evening. * IMPACTS...Plan on slippery road conditions.

* WHAT...Snow above 4500 feet. Additional snow accumulations up to 4 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 8 PM PST this evening. * IMPACTS...Plan on slippery road conditions.

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...From Monday evening through Tuesday afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and quickly pull them into the cold ocean waters, resulting in serious injury or death. Waves may also lift driftwood logs, trapping anyone caught underneath. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* 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.

* 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.

* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Heavy snow. Additional snow accumulations between 6 and 10 inches above 3500 feet. * WHERE...Stehekin, Holden Village, and Stevens Pass. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Motorists should be prepared for winter driving conditions on Highway 2 over Stevens Pass. * ADDITIONAL DETAILS...Snow totals for Stehekin and Coles Corner will be between 1 and 3 inches.

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches above 4000 feet. * WHERE...Cloverland Road, Peola, and Mountain Road. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Winter driving conditions and localized drifting snow will occur in the Blue Mountains of southeast Washington today above 4000 feet.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northern California and southern Oregon. This includes the Rogue, Illinois, Shasta, Scott, Applegate and Klamath River Valleys. This also includes the Klamath and Umpqua Basins. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Conditions are gradually improving early this morning, but dense fog remains a concern through the rest of the morning. Visibilities should be improved area wide by the afternoon.

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...From Monday evening through Tuesday afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and quickly pull them into the cold ocean waters, resulting in serious injury or death. Waves may also lift driftwood logs, trapping anyone caught underneath. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Sneaker waves possible on the beaches. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through 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.

* WHAT...Sneaker waves possible on the beaches. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through 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.

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3 to 6 inches, except 8 to 12 inches above 5000 feet. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Travel could be difficult, including on US26 near Government Camp and US20 at Santiam Pass. * ADDITIONAL DETAILS...Snow levels will remain between 3000-3500 feet through Sunday evening. Snow showers will quickly diminish Sunday evening into Sunday night as high pressure returns to the area.

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3 to 6 inches, except 8 to 12 inches above 5000 feet. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Travel could be difficult, including on US26 near Government Camp and US20 at Santiam Pass. * ADDITIONAL DETAILS...Snow levels will remain between 3000-3500 feet through Sunday evening. Snow showers will quickly diminish Sunday evening into Sunday night as high pressure returns to the area.

* WHAT...Heavy snow at or above elevations greater than 3000 ft. Additional snow accumulations between 8 and 16 inches. Winds gusting as high as 40 mph. * WHERE...West Slopes South Central Cascades and Passes. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.

* WHAT...Heavy snow at or above elevations greater than 3000 ft. Additional snow accumulations between 6 and 12 inches. Winds gusting as high as 35 mph. * WHERE...West Slopes North Cascades and Passes and West Slopes North Central Cascades and Passes. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.