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A high pressure ridge is slowly getting weaker and drifting eastward and a low pressure trough is moving in behind it. A frontal system has pushed into Oregon with rain ahead of and behind it. High pressure has already started to build up again slowly clearing up the skies.
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Advisories:
A TSUNAMI ADVISORY IN EFFECT FOR THE COASTAL AREAS OF OREGON AND WASHINGTON AND CALIFORNIA... THE NATIONAL WEATHER SERVICE HAS ISSUED A TSUNAMI ADVISORY FOR THE OREGON...WASHINGTON...AND CALIFORNIA COASTAL AREAS. THERE IS NO TSUNAMI WATCH OR WARNING IN EFFECT. REPEAT NO WATCH OR WARNING IS IN EFFECT. NO SIGNIFICANT COASTAL FLOODING IS EXPECTED TO BE PRODUCED BY THIS WAVE. HOWEVER...SOME AREAS OF THE COAST COULD EXPERIENCE DANGEROUS CURRENTS AND SURGES IN HARBORS AND BAYS DUE TO THIS TSUNAMI. COASTAL RESIDENTS ARE ADVISED TO STAY OUT OF THE WATER, OFF THE BEACH, AND AWAY FROM HARBORS AND MARINAS. WAVE HEIGHTS AND CURRENTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO PREDICT.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with a (40%) chance of showers today decreasing through the afternoon and partly cloudy and colder with patchy fog late tonight high 55 low 34. A mix of clouds and sun Sunday after morning fog or low clouds and mostly clear Sunday night with patchy fog late high 57 low 36. A mix of clouds and sun Monday morning then increasing clouds with rain likely (60%) at night high 58 low 37. Rain likely (60%) Tuesday high 54. Mostly cloudy with a good (40%-50%) chance of showers Tuesday night and Wednesday low 39 high 55. Mostly cloudy with a good (50%) chance of rain Wednesday night through Friday lows near 40 highs 54-57.
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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with AM fog this morning then isolated showers (AM snow level 3,500′) high 55. Partly cloudy this evening then mostly cloudy with patch fog late tonight low 39. AM and late overnight clouds and fog then just partly cloudy Sunday to mostly sunny and becoming mostly cloudy Sunday night with patchy fog high 57 low 40. Mostly cloudy Monday with AM fog high 59. Rain likely (60%) in the evening then rain late Monday night low 42. Rain likely (60%) Tuesday and Tuesday night high 57 low 40. Mostly cloudy with a (40%-50%) chance of rain Wednesday through Friday highs 56-59 lows 36-40.
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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with AM scattered showers along the coast today and isolated showers inland high 52. Partly cloudy this evening then mostly cloudy with areas of fog late low 43. Partly cloudy Sunday and Sunday evening then mostly cloudy at night with AM and late night fog or clouds high 56 low 43. Mostly cloudy with AM fog Monday high 56. Evening rain likely (60%) then rain Monday night and Tuesday with rain likely (60%) Tuesday night lows 44 high 54. Mostly cloudy with a good (50%) chance of rain Wednesday through Friday highs 56 low 46.
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Forecast for the Cascades of Lane County: Partly cloudy with a (40%) chance of rain and snow showers this afternoon snow level 3,500′ rising to 4,000′ high 40. A slight (20%) chance of evening rain and snow showers this evening then partly cloudy with a slight (20%) chance of late evening showers snow level 4,500′ low 28. A mix of clouds and sun Sunday and slightly warmer free air freezing level 6,000′ rising to 6,500′ in the afternoon high 47. Partly cloudy Sunday night free air freezing level 8,000′ rising to 9,000′ low 32. A mix of clouds and sun Monday morning then increasing afternoon clouds free air freezing level 8,000′ high 44. Mostly cloudy with a good (50%) chance of rain and snow in the evening then rain and snow likely (60%) late Monday night snow level 4,500′ falling to 3,500′ late low 27. Mostly cloudy with rain or snow likely (60%) Tuesday snow level 3,500′ high 42. Mostly cloudy with a (50%) chance of rain and snow showers Tuesday night and Wednesday snow level 4,500′ falling to 4,000′ low 28 high 40. Mostly cloudy with a good (50%) chance of rain and snow Wednesday night through Thursday night snow level stable at 4,500′ lows 30 highs 40. Mostly cloudy Friday with a good (50%) chance of rain, snow level 5,000′ high 40.
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