Heavy rain and severe weather possible from the northern/central Plains to the Upper Midwest

Heavy rainfall and severe thunderstorms are expected across portions of the northern and central Plains, pushing eastward into the Upper Midwest by Wednesday. These severe thunderstorms may be capable of producing large hail and damaging winds, and possibly some tornadoes.
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Last Update: 257 PM PDT Tue Jun 27 2017

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Medford, OR Local Forecast Office

37NM W Brookings OR

Marine Zone Forecast

...HAZARDOUS SEAS WARNING IN EFFECT FROM WEDNESDAY MORNING

Synopsis: North winds will increase and seas will steepen through Wednesday evening as high pressure rebuilds offshore and the thermal trough deepens over California. Warning level seas are expected to develop over a portion of the area south of Cape Sebastian and beyond 10nm from shore Wednesday into Thursday. Northerly gales are possible south of Cape Blanco and about 20nm out this weekend as cooler air pushes southeastward from the Gulf of Alaska.

Tonight
N wind 20 to 25 kt. Wind waves 4 to 5 ft... Building to 4 to 7 ft. Swell NW 4 to 5 ft at 8 seconds. Patchy drizzle after midnight.
Wed
N wind 20 kt northern portion and N 30 kt southern portion. Wind waves 5 to 7 ft. Mixed swell NW 4 ft at 8 seconds and SW 2 ft at 13 seconds.
Wed Night
N wind 20 to 25 kt northern portion and N 30 kt southern portion. Wind waves 5 to 8 ft. NW swell 4 to 5 ft at 8 seconds.
Thu
N wind 20 to 25 kt. Wind waves 5 to 7 ft. Swell NW 4 ft.
Thu Night
N wind 20 to 25 kt. Wind waves 5 to 7 ft. Swell NW 4 ft...subsiding to NW 3 ft and SW 2 ft after midnight.
Fri
N wind 15 to 20 kt northern portion and N 25 kt southern portion. Wind waves 4 to 6 ft. Mixed swell NW 3 ft and SW 2 ft.
Fri Night
N wind 15 to 20 kt northern portion and N 30 kt southern portion. Wind waves 4 to 7 ft. Mixed swell NW 3 ft and SW 2 ft.
Sat
N wind 25 kt. Wind waves 7 to 8 ft. Swell W 3 to 4 ft.
Sun
N wind 25 kt...rising to 30 kt. Wind waves 9 to 10 ft. Swell W 3 to 4 ft.
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ABOUT THIS FORECAST

Last Update: 257 PM PDT Tue Jun 27 2017
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