Meteoroll Weather

Winter Weather Advisory

* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...From 4 AM to 10 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

From: Feb 21, 2026 04:35 Until: Feb 21, 2026 19:00

Winter Weather Advisory

...A SERIES OF SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow to elevations above 1500 ft through at least Thursday night. There still remains a lot of uncertainty as to the exact track of this system and is resulting in some variability in total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest accumulations remain in flux. * WHAT...Snow. Additional snow accumulations of 2 to 7 inches through Wednesday night and another 1 to 3 inches of snow Thursday morning through Thursday night. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Mountains of Oregon, Willapa Hills, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

From: Feb 17, 2026 17:31 Until: Feb 18, 2026 06:45

Winter Weather Advisory

...A SERIES OF SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow to elevations above 1500 ft through at least Thursday night. There still remains a lot of uncertainty as to the exact track of this system and is resulting in some variability in total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest accumulations remain in flux. * WHAT...Snow. Additional snow accumulations of 4 to 9 inches through Wednesday night and another 3 to 6 inches of snow Thursday morning through Thursday night * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

From: Feb 17, 2026 17:31 Until: Feb 18, 2026 06:45

Dense Fog Advisory

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central and Southern Willamette Valley, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Fog may not be uniformly dense across the region and drivers should expect rapid changes in visibility on roadways. Dense fog is most likely to occur in sheltered valleys and near waterways including lakes and rivers. Locales less sheltered from wind may instead see low overcast skies where only hilltops experience reduced visibility.

From: Feb 10, 2026 09:05 Until: Feb 10, 2026 17:00

Special Weather Statement

Patchy dense fog limiting visibility to one mile or less has developed across western portions of the Portland/Vancouver metro this morning. Eastern portions of the metro including Gresham, Troutdale, Fairview, Camas, and Washougal are less likely to see travel impacts from reduced visibility. Fog may not be uniformly dense and commuters should expect rapid changes in visibility on area roadways. Dense fog is most likely to occur in areas sheltered from winds as well as areas near waterways including lakes and rivers. Locales less sheltered from winds may instead see low overcast skies where only hilltops experience reduced visibility. Drivers should slow down and leave plenty of following distance. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

From: Feb 10, 2026 09:50 Until: Feb 10, 2026 13:00

Air Stagnation Advisory

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, East Central Willamette Valley, and North Clark County Lowlands. * WHEN...Until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

From: Feb 06, 2026 04:53 Until: Feb 07, 2026 06:00

Cold Weather Advisory

* WHAT...Temperatures and wind chills as low as 15 to 25 degrees Fahrenheit expected. * WHERE...The Lower Elevations of Northwest Oregon, and The Lower Elevations of Southwest Washington. * WHEN...From 10 PM this evening to noon PST Saturday. * IMPACTS...Wind chill values and very cold temperatures can lead to frostbite and hypothermia with prolonged exposure.

From: Jan 23, 2026 20:51 Until: Jan 24, 2026 20:00

Cold Weather Advisory

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. For the Cold Weather Advisory, very cold wind chills as low as 20 expected. * WHERE...North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Clackamas County Cascade Foothills, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until noon PST Friday. For the Cold Weather Advisory, from midnight tonight to 10 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Wind chill values and very cold temperatures can lead to hypothermia with prolonged exposure.