Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Last Update: 822 AM PST Sun Jan 21 2018

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Medford, OR Local Forecast Office

10NM S Port Orford OR

Marine Zone Forecast

...STORM WARNING IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

Synopsis: A strong front will move through the waters today. Gales are expected over much of the waters with storm force winds near Cape Blanco and beyond 1 to 2 nm from shore north of Pistol River. Very steep and hazardous wind driven seas will peak early this afternoon near 23 feet. Winds and seas will diminish this afternoon but will remain very steep and hazardous through Monday morning. Active weather will continue through the week with another period of gales possible by Tuesday morning.

Today
S gales 40 kt...becoming W gales 35 kt late afternoon. Within 5 nm of brookings southward, S wind 30 kt...becoming W late afternoon. Wind waves 9 to 12 ft...subsiding to 7 to 10 ft in the afternoon. W swell 9 to 10 ft at 12 seconds...building to 16 ft at 12 seconds in the afternoon. Rain.
Tonight
W wind 5 to 10 kt...backing to S after midnight. Wind waves 3 to 5 ft. W swell 15 to 17 ft at 15 seconds...subsiding to 13 to 14 ft at 15 seconds after midnight. Rain likely in the evening, then chance of showers after midnight.
Mon
S wind 5 to 10 kt. Wind waves 2 ft or less. W swell 11 to 14 ft at 13 seconds. Slight chance of showers through the day.
Mon Night
S wind 5 kt...backing to SE 5 to 15 kt after midnight. Wind waves 2 ft or less. W swell 11 ft...subsiding to 9 to 10 ft and W 2 ft after midnight.
Tue
SE wind 15 to 20 kt except SE 10 kt within 5 nm of brookings southward. Wind waves 3 to 6 ft...building to 5 to 8 ft in the afternoon. W swell 7 to 8 ft. Rain.
Tue Night
SE wind 20 to 25 kt except SE 15 kt within 5 nm of brookings southward. Wind waves 6 to 9 ft. W swell 7 to 8 ft. Rain.
Wed
SE wind 25 kt...becoming SW 15 to 20 kt in the afternoon and evening, then...backing to S 10 kt after midnight. Wind waves 5 to 6 ft. W swell 8 ft...building to 12 ft and NW 4 ft.
Thu
SW wind 15 kt...veering to W after midnight. Wind waves 5 ft...becoming 2 ft or less. W swell 16 to 17 ft.
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ABOUT THIS FORECAST

Last Update: 822 AM PST Sun Jan 21 2018
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