Hillsboro
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Hillsboro, United States
Click any image to view larger versionPast Weather Alerts
5 of 80Air Stagnation Advisory
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * W...
Air Stagnation Advisory
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * W...
Beach Hazards Statement
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington ...
Beach Hazards Statement
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington ...
Cold Weather Advisory
* WHAT...Temperatures and wind chills as low as 15 to 25 degrees Fahrenheit expected. * WHERE...The...
Past Weather Alerts for Hillsboro
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.
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...From 4 AM Tuesday to 4 PM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
Beach Hazards Statement
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday afternoon. * 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. * ADDITIONAL DETAILS...Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.
Beach Hazards Statement
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From late tonight through Monday afternoon. * 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. * ADDITIONAL DETAILS...Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.
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.
Air Stagnation Advisory
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Clackamas County Cascade Foothills, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...Until noon PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...Temperatures have generally warmed above 25 degrees at this time. Therefore, will let the Cold Weather Advisory expire.
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...Central and Southern Willamette Valley, and Tualatin Valley. * 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.
Air Stagnation 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...Central and Southern Willamette Valley, and Tualatin Valley. * 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.
Air Stagnation 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.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 20 expected. * WHERE...North and Central Coast Range Mountains of Oregon, Portland Metro Hills, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 10 AM PST Thursday. * IMPACTS...Wind chill values and very cold temperatures can lead to hypothermia with prolonged exposure.
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.
Air Stagnation Advisory
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
Beach Hazards Statement
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From 4 AM PST early this morning through Monday afternoon. * IMPACTS...Sneaker waves can run up significantly farther on a beach than normal, including over rocks, logs, 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.
Air Stagnation Advisory
* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, Tualatin Valley, Portland West Hills and Chehalem Mountain, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...From 10 AM this morning to 10 AM PST Sunday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.
High Surf Advisory
* WHAT...Large waves and hazardous surf conditions. Breakers up to 25 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Minor beach erosion may damage coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...The largest waves are expected to occur between 7 PM Wednesday and 7 AM Thursday.
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations between 6 and 15 inches between 2000 and 5000 feet and up to 2 feet above 5000 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Gusty winds and falling snow may reduce visibility at times. Low probability of impactful visibility reduction below 4500 feet in elevation.
High Surf Advisory
* WHAT...Large waves and hazardous surf conditions. Breakers up to 25 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From 10 AM this morning to 4 PM PST Thursday. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Minor beach erosion may damage coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...The largest waves are expected to occur between 4 PM Wednesday and 7 AM Thursday.
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations between 1 and 2 feet, except up to 3 feet for elevations above 5000 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
High Surf Advisory
* WHAT...Large waves and hazardous surf conditions. Breakers up to 25 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From 10 AM Wednesday to 4 PM PST Thursday. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Minor beach erosion may damage coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...The largest waves are expected to occur between 4 PM Wednesday and 7 AM Thursday.
Winter Storm Warning
* WHAT...Heavy snow. Snow accumulations between 1 and 3 feet. Up to 4 feet of snow above 5000 feet in elevation. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Gusty winds and falling snow may reduce visibility at times. Low probability of impactful visibility reduction below 4500 feet in elevation.
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between two and four feet. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 4 AM early this morning to 4 PM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...For the South Washington Cascades, the heaviest snow will be Tuesday morning and afternoon, as well as Wednesday morning and afternoon. For the Northern and Central Oregon Cascades, the heaviest snow will be Tuesday afternoon and evening, as well as Wednesday afternoon and evening.
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations up to one to two feet. Winds could gust as high as 40 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 4 AM Tuesday to 4 PM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The heaviest snow will be Tuesday afternoon and evening, as well as Wednesday afternoon and evening.
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations up to one to two feet possible. Winds could gust as high as 40 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From late Monday night through late Wednesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Coastal Flood Advisory
* WHAT...Tidal overflow flooding expected. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...From 10 AM to 3 PM PST Sunday. * IMPACTS...Minor flooding, up to one foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, and the lower reaches of the coastal rivers. * ADDITIONAL DETAILS...The tidal gauge at Toke Point has forecast tide of up to 12 feet on Sunday, while the tidal gauges at Tongue Point and Garibaldi have forecast tides up to 11.4 feet.
Coastal Flood Advisory
* WHAT...Tidal overflow flooding expected. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...From 10 AM this morning to 3 PM PST this afternoon. * IMPACTS...Minor flooding, up to one foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, and the lower reaches of the coastal rivers. * ADDITIONAL DETAILS...The tidal gauge at Toke Point has forecast tide of up to 12.1 feet this afternoon, while the tidal gauges at Tongue Point and Garibaldi have forecast tides up to 11.3 feet.
Coastal Flood Advisory
* WHAT...Tidal overflow flooding expected. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...From 9 AM this morning to 2 PM PST this afternoon. * IMPACTS...Minor flooding, up to one foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, and the lower reaches of the coastal rivers. * ADDITIONAL DETAILS...The tidal gauges at Toke Point and Astoriahave forecast tides of up to 11.2 feet, while the tidal gauge at Garibaldi has a forecast tide up to 10.7 feet.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense freezing fog. * WHERE...Lower Columbia River and Cowlitz River Valleys, and Lane County Lowlands. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Some areas could see slick surfaces. Especially on raised, metal surfaces. * ADDITIONAL DETAILS...With temperatures currently at or near freezing. Expect dense freezing fog.
Winter Weather Advisory
* WHAT...Snow above 4000 ft. Additional snow accumulations of 1 to 4 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Winter Weather Advisory
* WHAT...Snow above 4000 ft. Additional snow accumulations of 6 to 11 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Winter Weather Advisory
* WHAT...Snow expected above 4000 ft. Total snow accumulations between 6 and 11 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Winter Weather Advisory
* WHAT...Snow expected above 4000 ft. Total snow accumulations up to 10 inches. Winds gusting as high as 45 mph. * WHERE...South Washington Cascades. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Winter Weather Advisory
* WHAT...Snow expected above 4000 ft. Total snow accumulations up to 11 inches. Winds gusting as high as 45 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...During periods of heavier snow and stronger winds, visibility may be impacted.
Wind Advisory
* WHAT...South winds 10 to 25 mph with gusts up to 35 to 50 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 4 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. * ADDITIONAL DETAILS...The peak winds will occur for only 1 to 3 hours at any given location with gusts of 20 to 40 mph lasting for another 2 to 3 hours after. Peak winds will begin in Lane county, moving north into Southwest Washington through the advisory time frame. There is a 10 percent chance of peak wind gusts 55 to 70 mph through the advisory area.
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 45 to 55 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 7 AM to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Saturated soils from recent rains could result in downed trees. Tree branches could be blown down. Isolated to locally widespread power outages are possible. * ADDITIONAL DETAILS...The peak winds will occur for only 1-3 hours at any given location with gusts of 25-40 mph lasting for another 2-3 hours after. Peak winds will begin in Lane county, moving north into SW Washington through the advisory timeframe. There's a 10% chance of peak wind gusts 60-70 mph through the advisory area.
Flood Warning
...The Flood Warning continues for the following rivers in Oregon... Tualatin River near Dilley affecting Washington County. Luckiamute River near Suver affecting Benton and Polk Counties. Pudding River at Aurora affecting Clackamas and Marion Counties. ...The Flood Warning is extended for the following rivers in Oregon...Washington... Santiam River at Jefferson affecting Marion and Linn Counties. Nehalem River near Foss affecting Tillamook and Clatsop Counties. S Yamhill River at McMinnville affecting Yamhill County. Marys River near Philomath affecting Benton County. Cowlitz River at Kelso affecting Cowlitz County. * WHAT...Minor flooding is forecast. * WHERE...S Yamhill River at McMinnville. * WHEN...Until tomorrow afternoon. * IMPACTS...Above 52.0 feet, expect extensive lowland flooding from 10 miles south of McMinnville to the confluence of the Yamhill and Willamette Rivers. * ADDITIONAL DETAILS... - At 8:00 PM PST Friday the stage was 43.2 feet. - Bankfull stage is 45.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 52.4 feet by late tonight. It will then fall below flood stage Saturday afternoon. - Flood stage is 50.0 feet. - http://www.weather.gov/safety/flood
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Northwest Oregon and southwest Washington including the following counties. In Oregon: Benton, Clackamas, Clatsop, Columbia, Hood River, Lane, Linn, Lincoln, Marion, Multnomah, Polk, Tillamook, Washington, and Yamhill. In Washington: Clark, Cowlitz, Pacific, Skamania, and Wahkiakum. * WHEN...Through Saturday afternoon. * IMPACTS...Creeks and streams may rise out of their banks. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - Although heavy rain has ended, widespread river flooding is expected to continue through Friday night, except through Saturday along slower responding rivers. - http://www.weather.gov/safety/flood
Flood Warning
...The Flood Warning continues for the following rivers in Oregon... Tualatin River near Dilley affecting Washington County. Luckiamute River near Suver affecting Benton and Polk Counties. Pudding River at Aurora affecting Clackamas and Marion Counties. ...The Flood Warning is extended for the following rivers in Oregon...Washington... Santiam River at Jefferson affecting Marion and Linn Counties. Nehalem River near Foss affecting Tillamook and Clatsop Counties. S Yamhill River at McMinnville affecting Yamhill County. Marys River near Philomath affecting Benton County. Cowlitz River at Kelso affecting Cowlitz County. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Pudding River at Aurora. * WHEN...Until late Tuesday evening. * IMPACTS...Above 27.0 feet, expect widespread flooding of numerous secondary roads and agricultural land. * ADDITIONAL DETAILS... - At 8:00 PM PST Friday the stage was 22.7 feet. - Bankfull stage is 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM PST Friday was 22.7 feet. - Forecast...The river is expected to rise to a crest of 26.3 feet Saturday afternoon. It will then fall below flood stage early Tuesday afternoon. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Flood Warning
...The Flood Warning continues for the following rivers in Oregon... Tualatin River near Dilley affecting Washington County. Luckiamute River near Suver affecting Benton and Polk Counties. Pudding River at Aurora affecting Clackamas and Marion Counties. ...The Flood Warning is extended for the following rivers in Oregon...Washington... Santiam River at Jefferson affecting Marion and Linn Counties. Nehalem River near Foss affecting Tillamook and Clatsop Counties. S Yamhill River at McMinnville affecting Yamhill County. Marys River near Philomath affecting Benton County. Cowlitz River at Kelso affecting Cowlitz County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Tualatin River near Dilley. * WHEN...Until late tomorrow morning. * IMPACTS...Above 17.5 feet, several minor roads begin to flood and may be closed. Widespread lowland agricultural flooding occurs at this and higher stages. * ADDITIONAL DETAILS... - At 8:30 PM PST Friday the stage was 17.6 feet. - Bankfull stage is 16.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM PST Friday was 17.8 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 15.2 feet Monday, December 29. - Flood stage is 17.5 feet. - http://www.weather.gov/safety/flood
Flood Watch
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...All of northwestern Oregon and southwestern Washington. * WHEN...From late Wednesday night through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Area creeks and streams are running high and could flood with more heavy rain. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - An atmospheric river is forecast to bring periods of heavy rain to northwestern Oregon and southwestern Washington at a time when area rivers continue to run high and soils remain saturated following heavy rain earlier in the month. During initial heavy rainfall on Thursday, the urban and small stream flooding threat will be most urgent, although the details of precise timing and location of the highest risk remains uncertain at this time. As runoff works its way downstream, the river flooding threat will increase Thursday night into Friday, with numerous area rivers now forecast to reach at least Minor flood stage. - http://www.weather.gov/safety/flood
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations 1 to 3 inches at pass level, and 4 to 8 inches above 5000-5500 feet. Winds gusting as high as 35 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Northwest Oregon and southwest Washington including the following counties: In Oregon - Benton, Clatsop, Columbia, Clackamas, Hood River, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Washington, Yamhill. In Washington State - Clark, Cowlitz, Pacific, Skamania, Wahkiakum. * WHEN...From late Wednesday night through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Area creeks and streams are running high and could flood with more heavy rain. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - An atmospheric river is forecast to bring periods of heavy rain to northwestern Oregon and southwestern Washington at a time when area rivers continue to run high and soils remain saturated following heavy rain earlier in the month. During initial heavy rainfall on Thursday, the urban and small stream flooding threat will be most urgent, although the details of precise timing and location of the highest risk remains uncertain at this time. As runoff works its way downstream, the river flooding threat will increase Thursday night into Friday, with numerous area rivers now forecast to reach at least Minor flood stage. - http://www.weather.gov/safety/flood
Flood Warning
...The Flood Warning continues for the following rivers in Oregon... Tualatin River near Dilley affecting Washington County. Luckiamute River near Suver affecting Benton and Polk Counties. Pudding River at Aurora affecting Clackamas and Marion Counties. ...The Flood Warning is extended for the following rivers in Oregon...Washington... Santiam River at Jefferson affecting Marion and Linn Counties. Nehalem River near Foss affecting Tillamook and Clatsop Counties. S Yamhill River at McMinnville affecting Yamhill County. Marys River near Philomath affecting Benton County. Cowlitz River at Kelso affecting Cowlitz County. * WHAT...Minor flooding is occurring. * WHERE...Nehalem River near Foss. * WHEN...Until just after midnight tonight. * IMPACTS...Above 15.0 feet, expect minor flooding of low lying farm land and structures. * ADDITIONAL DETAILS... - At 8:15 PM PST Friday the stage was 15.1 feet. - Bankfull stage is 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 PM PST Friday was 17.1 feet. - Forecast...The river has crested and will fall below flood stage late tonight. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood