Weather Forecast for Portland (US)

...The Flood Watch continues for the following rivers in Oregon... Johnson Creek at Sycamore affecting Inner Portland Metro zone. Pudding River at Aurora affecting East Central Willamette Valley zone. * WHAT...Flooding is possible. * WHERE...Johnson Creek at Sycamore. * WHEN...From Thursday morning to early Saturday morning. * IMPACTS...Above 11.0 feet, minor flooding begins along Johnson Creek between SE 92nd Street to SE 122nd Street and between Johnson Creek and SE Harold Street. * ADDITIONAL DETAILS... - At 11:00 AM PDT Wednesday the stage was 3.2 feet. - Forecast...Flood stage may be reached tomorrow morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 200 AM PDT.

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...From 5 PM PDT this afternoon through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. 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... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

* WHAT...Wet snow accumulations will be heavily elevation dependent. For locations between 3000 and 5000 feet, wet snow accumulations of 3 to 12 inches possible. For isolated locations between 5000 and 5500 feet near Mount Hood, accumulations of 12 to 18 inches. * WHERE...North Oregon Cascades. * WHEN...Until 11 PM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...For locations above 5500 feet, expect several feet of wet snow.

Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map

* WHAT...Heavy snow expected above 2500 ft. Total snow accumulations of 10 to 15 inches with up to 20 inches along the volcanos. Winds gusting as high as 35 mph, except up to 45 mph along the peaks. * WHERE...South Washington Cascades. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.

* WHAT...Heavy snow expected above 2500 ft. Total snow accumulations of 15 to 25 inches with up to 30 inches along the volcanos. Winds gusting as high as 35 mph, except up to 45 mph along the peaks. * WHERE...South Washington Cascades. * WHEN...Until 5 AM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...There will be a brief lull in snowfall late today, but will increase again with heavier precipitation. Heaviest snowfall expected between 5AM-5PM Today, and 5AM-5PM Thursday. Snow levels will begin to rise above 5000 ft late Thursday.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map Backcountry recreation is not advised.