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Home Return to list Dense Fog Advisory 0008 Issued by the Portland Forecast Office
Action: New Issued At: 2026-02-05 09:24:44 502 WWUS76 KPQR 051524 NPWPQR URGENT - WEATHER MESSAGE National Weather Service Portland OR 724 AM PST Thu Feb 5 2026 ORZ108-116>118-WAZ204-060030- /O.NEW.KPQR.FG.Y.0008.260205T1524Z-260205T1900Z/ /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ Lower Columbia River-Benton County Lowlands-Linn County Lowlands- Lane County Lowlands-Cowlitz County Lowlands- Including the cities of Lebanon, Monroe, Kelso, Longview, Rose Valley, Philomath, Albany, Scappoose, Castle Rock, Woodland, Marcola, Springfield, Greenberry, Creswell, Pleasant Hill, Brownsville, Clatskanie, St. Helens, Eugene, Rainier, Mohawk, Kalama, Junction City, Harrisburg, Cottage Grove, Mayger, Warren, Corvallis, and Jasper 724 AM PST Thu Feb 5 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...South Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...For the Dense Fog Advisory, until 11 AM PST this morning. For the Air Stagnation Advisory, until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$ ORZ112-WAZ207-052100- /O.CON.KPQR.WI.Y.0002.000000T0000Z-260205T2100Z/ East Portland Metro-East Clark County Lowlands- Including the cities of Gresham, Camas, Washougal, Fairview, and Troutdale 724 AM PST Thu Feb 5 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WHAT...East winds 20 to 30 mph with gusts up to 40 to 45 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Secure outdoor objects. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around. && $$ ORZ115-123>125-WAZ205-060030- /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ East Central Willamette Valley-Clackamas County Cascade Foothills- Cascade Foothills of Marion and Linn Counties-Lane County Cascade Foothills-North Clark County Lowlands- Including the cities of Zigzag, Brightwood, Rhododendron, Clark County Fairgrounds, Salem, Oakridge, Vida, Cottage Grove Lake, Proebstel, Dorena, Welches, Three Lynx, Orchards, Green Peter Reservoir, Hockinson, Holley, Shortys Corner, Cascadia, Dorena Reservoir, Battle Ground, Cherryville, Blue River, and Sifton 724 AM PST Thu Feb 5 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Foothills of the Northern and Central Oregon Cascades, 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. && $$ For more information from the National Weather Service visit www.weather.gov/portland 10 Action: Expired Issued At: 2026-02-05 13:04:48 021 WWUS76 KPQR 051904 NPWPQR URGENT - WEATHER MESSAGE National Weather Service Portland OR 1104 AM PST Thu Feb 5 2026 ORZ108-118-WAZ204-060930- /O.EXP.KPQR.FG.Y.0008.000000T0000Z-260205T1900Z/ /O.NEW.KPQR.FG.Y.0009.260205T1904Z-260205T2100Z/ /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ Lower Columbia River-Lane County Lowlands-Cowlitz County Lowlands- Including the cities of Kelso, Longview, Rose Valley, Scappoose, Castle Rock, Woodland, Marcola, Springfield, Creswell, Pleasant Hill, Clatskanie, St. Helens, Eugene, Rainier, Mohawk, Kalama, Junction City, Cottage Grove, Mayger, Warren, and Jasper 1104 AM PST Thu Feb 5 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Lower Columbia River and Cowlitz River Valleys, and Lane County Lowlands. * WHEN...Until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$ ORZ116-117-060930- /O.EXP.KPQR.FG.Y.0008.000000T0000Z-260205T1900Z/ /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ Benton County Lowlands-Linn County Lowlands- Including the cities of Lebanon, Harrisburg, Monroe, Corvallis, Philomath, Greenberry, Albany, and Brownsville 1104 AM PST Thu Feb 5 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... ...DENSE FOG ADVISORY HAS EXPIRED... * WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Benton County Lowlands and Linn County Lowlands. * WHEN...Until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The Dense Fog Advisory has ended as visibility has risen above one quarter of a mile across the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. && $$ ORZ112-WAZ207-060200- /O.EXT.KPQR.WI.Y.0002.000000T0000Z-260206T0200Z/ East Portland Metro-East Clark County Lowlands- Including the cities of Gresham, Camas, Washougal, Fairview, and Troutdale 1104 AM PST Thu Feb 5 2026 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...East winds 20 to 30 mph with gusts up to 40 to 45 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Secure outdoor objects. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around. && $$ ORZ115-123>125-WAZ205-060930- /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ East Central Willamette Valley-Clackamas County Cascade Foothills- Cascade Foothills of Marion and Linn Counties-Lane County Cascade Foothills-North Clark County Lowlands- Including the cities of Zigzag, Brightwood, Rhododendron, Clark County Fairgrounds, Salem, Oakridge, Vida, Cottage Grove Lake, Proebstel, Dorena, Welches, Three Lynx, Orchards, Green Peter Reservoir, Hockinson, Holley, Shortys Corner, Cascadia, Dorena Reservoir, Battle Ground, Cherryville, Blue River, and Sifton 1104 AM PST Thu Feb 5 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Foothills of the Northern and Central Oregon Cascades, 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. && $$ For more information from the National Weather Service visit www.weather.gov/portland 10 Action: Expired Issued At: 2026-02-05 13:04:48 021 WWUS76 KPQR 051904 NPWPQR URGENT - WEATHER MESSAGE National Weather Service Portland OR 1104 AM PST Thu Feb 5 2026 ORZ108-118-WAZ204-060930- /O.EXP.KPQR.FG.Y.0008.000000T0000Z-260205T1900Z/ /O.NEW.KPQR.FG.Y.0009.260205T1904Z-260205T2100Z/ /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ Lower Columbia River-Lane County Lowlands-Cowlitz County Lowlands- Including the cities of Kelso, Longview, Rose Valley, Scappoose, Castle Rock, Woodland, Marcola, Springfield, Creswell, Pleasant Hill, Clatskanie, St. Helens, Eugene, Rainier, Mohawk, Kalama, Junction City, Cottage Grove, Mayger, Warren, and Jasper 1104 AM PST Thu Feb 5 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Lower Columbia River and Cowlitz River Valleys, and Lane County Lowlands. * WHEN...Until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$ ORZ116-117-060930- /O.EXP.KPQR.FG.Y.0008.000000T0000Z-260205T1900Z/ /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ Benton County Lowlands-Linn County Lowlands- Including the cities of Lebanon, Harrisburg, Monroe, Corvallis, Philomath, Greenberry, Albany, and Brownsville 1104 AM PST Thu Feb 5 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... ...DENSE FOG ADVISORY HAS EXPIRED... * WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Benton County Lowlands and Linn County Lowlands. * WHEN...Until 10 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The Dense Fog Advisory has ended as visibility has risen above one quarter of a mile across the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. && $$ ORZ112-WAZ207-060200- /O.EXT.KPQR.WI.Y.0002.000000T0000Z-260206T0200Z/ East Portland Metro-East Clark County Lowlands- Including the cities of Gresham, Camas, Washougal, Fairview, and Troutdale 1104 AM PST Thu Feb 5 2026 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...East winds 20 to 30 mph with gusts up to 40 to 45 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Secure outdoor objects. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around. && $$ ORZ115-123>125-WAZ205-060930- /O.CON.KPQR.AS.Y.0003.000000T0000Z-260207T0600Z/ East Central Willamette Valley-Clackamas County Cascade Foothills- Cascade Foothills of Marion and Linn Counties-Lane County Cascade Foothills-North Clark County Lowlands- Including the cities of Zigzag, Brightwood, Rhododendron, Clark County Fairgrounds, Salem, Oakridge, Vida, Cottage Grove Lake, Proebstel, Dorena, Welches, Three Lynx, Orchards, Green Peter Reservoir, Hockinson, Holley, Shortys Corner, Cascadia, Dorena Reservoir, Battle Ground, Cherryville, Blue River, and Sifton 1104 AM PST Thu Feb 5 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY... * WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Foothills of the Northern and Central Oregon Cascades, 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. && $$ For more information from the National Weather Service visit www.weather.gov/portland 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||