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ESFSEW A strong weather system will track through western Washington today, bringing moderate to heavy rainfall to the region and sharp rises on rivers flowing off the Olympics. The system will spread widespread rain inland this afternoon and evening. Rain will be moderate to heavy at times, with showers persisting into Thursday. Rainfall amounts between 3-6 inches will be possible across portions of the Olympic Peninsula through Thursday. Please continue to monitor the latest river forecasts from the National Weather Service for additional information.

Periods of moderate to heavy rain will be possible as a strong system moves into the region this afternoon and evening. Showers, heavy at times, will persist through Thursday. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Another round of moderate to heavy rain is expected with a system tonight through Thursday. Three to six inches of rain are possible along the Olympic Peninsula. Snow levels are expected to remain above the top of the Skokomish River watershed, resulting in the Skokomish River forecast to rise to above minor flood stage by early Wednesday, potentially cresting in moderate flood stage Wednesday afternoon. - http://www.weather.gov/safety/flood

* WHAT...Large waves of 18 to 22 feet in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Localized beach erosion is possible.

...WINTER STORM WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON AT OR ABOVE ELEVATIONS GREATER THAN 4000 FT... * WHAT...Snow at or above elevations greater than 4000 ft. Additional snow accumulations of up to 6 inches expected through this afternoon. For the Winter Storm Watch, heavy snow possible at or above elevations greater than 4000 ft. Total snow accumulations between 12 and 24 inches possible. Winds could gust as high as 45 mph. * WHERE...West Slopes North Cascades and Passes. * WHEN...For the Winter Weather Advisory, until 4 PM PST this afternoon. For the Winter Storm Watch, from this afternoon through Thursday afternoon. * IMPACTS...Travel could be very difficult including SR 20 and Washington Pass.

...WINTER STORM WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON AT OR ABOVE ELEVATIONS GREATER THAN 4000 FT... * WHAT...Snow at or above elevations greater than 4000 ft. Additional snow accumulations of up to 6 inches expected through this afternoon. For the Winter Storm Watch, heavy snow possible at or above elevations greater than 4000 ft. Total snow accumulations between 12 and 24 inches possible. Winds could gust as high as 45 mph. * WHERE...West Slopes North Cascades and Passes. * WHEN...For the Winter Weather Advisory, until 4 PM PST this afternoon. For the Winter Storm Watch, from this afternoon through Thursday afternoon. * IMPACTS...Travel could be very difficult including SR 20 and Washington Pass.

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Hood Canal Area, Bellevue and Vicinity, Bremerton and Vicinity, East Puget Sound Lowlands, Everett and Vicinity, Lower Chehalis Valley Area, Seattle and Vicinity, Southwest Interior, and Tacoma Area. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Southeast winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Admiralty Inlet Area, Central Coast, North Coast, San Juan County, Western Skagit County, and Western Whatcom County. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

* WHAT...South winds 30 to 40 mph with gusts up to 50 mph expected. Gusts up to 60 mph are possible over the high terrain of the Warner Mountains and Winter Rim. * WHERE...Portions of Lake and Modoc counties, and eastern Klamath County, including Silver Lake, Paisley, Valley Falls, Adel, Alkali Lake, Wagontire, portions of Highways 31, 395, and 140. * WHEN...From 4 AM to 7 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of the southern Rogue Valley in Jackson County, including Ashland, Phoenix, Talent, and portions of Interstate 5 south of Medford. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 35 to 45 mph with gusts up to 60 mph expected. Winds up to 70 mph are possible over headlands and very exposed terrain. * WHERE...The Coos and Curry County coastlines along and south of Cape Arago, including beaches, headlands, state parks, portions of Highway 101, and the communities of Brookings, Gold Beach, Port Orford, and Bandon. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Damaging winds could blow down trees and power lines, and damage or blow away unsecured objects. Power outages are possible. Travel will become difficult, especially for high profile vehicles.

* WHAT...Snow above 4000 feet. For the Winter Weather Advisory, snow showers will result in additional snow accumulations between 2 and 4 inches through Tuesday afternoon. For the Winter Storm Watch, 1 to 2 feet of snow is possible Tuesday night through Thursday afternoon over Washington Pass. 3 to 6 inches is possible over Loup Loup Pass Tuesday night through Wednesday night. * WHERE...State Route 20 North Cascades Highway over Washington Pass. * WHEN...For the Winter Weather Advisory, until 4 PM PST this afternoon. For the Winter Storm Watch, from this afternoon through Thursday afternoon. * IMPACTS...Periods of snow through Thursday afternoon will add up to considerable accumulations. Check the Washington Department of Transportation for the status of Washington Pass on State Route 20 before you travel. * ADDITIONAL DETAILS...Persistent light snow will fall over the North Cascades through Tuesday afternoon. A stronger winter storm will arrive Tuesday evening into Wednesday with potential for 1-2 feet of snow.

* WHAT...Heavy snow possible. Total snow accumulations between 8 and 14 inches possible above 4000 feet. * WHERE...Chesaw Road, Sherman Pass, Highway 20 Wauconda Summit, and Boulder Creek Road. * WHEN...From this evening through late Wednesday night. * IMPACTS...Motorists should be prepared for winter driving conditions at elevations above 4000 feet in Ferry and Okanogan counties Tuesday night through Wednesday night. * ADDITIONAL DETAILS...Snow levels will waver between 4000 and 5000 feet with the heaviest snow occurring at high elevations including Sherman Pass at over 5500 feet.

* WHAT...Snow above 4000 feet. For the Winter Weather Advisory, snow showers will result in additional snow accumulations between 2 and 4 inches through Tuesday afternoon. For the Winter Storm Watch, 1 to 2 feet of snow is possible Tuesday night through Thursday afternoon over Washington Pass. 3 to 6 inches is possible over Loup Loup Pass Tuesday night through Wednesday night. * WHERE...State Route 20 North Cascades Highway over Washington Pass. * WHEN...For the Winter Weather Advisory, until 4 PM PST this afternoon. For the Winter Storm Watch, from this afternoon through Thursday afternoon. * IMPACTS...Periods of snow through Thursday afternoon will add up to considerable accumulations. Check the Washington Department of Transportation for the status of Washington Pass on State Route 20 before you travel. * ADDITIONAL DETAILS...Persistent light snow will fall over the North Cascades through Tuesday afternoon. A stronger winter storm will arrive Tuesday evening into Wednesday with potential for 1-2 feet of snow.

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Oregon, Foothills of the Southern Blue Mountains of Oregon and Grande Ronde Valley. In Washington, Foothills of the Blue Mountains of Washington. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...For the High Wind Warning for the base of the northern Blue Mountains of Oregon, south winds 30 to 40 mph with gusts up to 60 mph expected. For the Wind Advisory, south winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along Interstate 84 at Cabbage Hill in the overnight period. Below Cabbage Hill, winds will be slightly weaker, with gusts 40 to 55 mph.

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...In Oregon, Foothills of the Southern Blue Mountains of Oregon and Grande Ronde Valley. In Washington, Foothills of the Blue Mountains of Washington. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...For the High Wind Warning for the base of the northern Blue Mountains of Oregon, south winds 30 to 40 mph with gusts up to 60 mph expected. For the Wind Advisory, south winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along Interstate 84 at Cabbage Hill in the overnight period. Below Cabbage Hill, winds will be slightly weaker, with gusts 40 to 55 mph.

* WHAT...Wet snow above 4000 feet. Additional snow accumulations up to 3 inches. The highest snow accumulations will occur above 4500 feet including along Highway 35 near Bennett Pass, the Timberline Highway on Mt. Hood and in the vicinity of Santiam Pass along US20. Winds gusting as high as 35 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Temperatures dropping below freezing Monday night into early Tuesday morning will lead to untreated surfaces becoming icy and slick above 4000 feet.

* WHAT...Large waves and hazardous surf conditions. Breakers up to 26 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Until 4 PM PST this afternoon. * 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.

* WHAT...Large waves and hazardous surf conditions. Breakers up to 26 feet. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Until 4 PM PST this afternoon. * 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.