The Upper Level High Pressure Ridge (“Arch” shape) is moving away from the Pacific Northwest and an Upper Level Low Pressure Trough (“U” shape) takes over. The graphics for days 1-3 show the frontal system that will move through Oregon today and Monday. The graphics for days 3-7 Wednesday through Sunday show the frontal systems that will be heading our way through the period. __________
ADVISORIES:
- A HIGH SURF ADVISORY IS IN EFFECT FROM 4 PM MONDAY UNTIL 4 PM TUESDAY FOR THE CLATSOP COUNTY COAST AND THE TILLAMOOK COUNTY COAST.
- A HIGH SURF ADVISORY IS IN EFFECT FROM 10 AM MONDAY UNTIL 10 AM TUESDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A WIND ADVISORY IS IN EFFECT FROM 4 PM UNTIL 10 PM TODAY FOR NORTH CENTRAL OREGON AND CENTRAL OREGON.
- A WIND ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE GRANDE RONDE VALLEY.
- A WIND ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
- A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, THE CENTRAL COAST OF OREGON, THE NORTH OREGON COAST RANGE, AND THE CENTRAL OREGON COAST RANGE.
- A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
- A HIGH WIND WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- A FLOOD WATCH IS IN EFFECT THROUGH LATE TUESDAY NIGHT FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, THE CENTRAL COAST OF OREGON, THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE, THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, THE PORTLAND WEST HILLS AND CHEHLEM MOUNTAIN, THE INNER PORTLAND METRO, THE EAST PORTLAND METRO, THE SOUTHEAST PORTLAND METRO, THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS, THE WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., THE WEST COLUMBIA RIVER GORGE I-84 CORRIDOR, THE UPPER HOOD RIVER VALLEY, THE CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A FLOOD WATCH IS IN EFFECT IS IN EFFECT THROUGH MONDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
- AN AVALANCHE WARNING IS IN EFFECT THROUGH 6 PM TODAY FOR UNIMPROVED AREAS AROUND MT. HOOD.
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HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy and a bit cooler with rain today (1.50 in. of rain possible), rain tonight (0.50 in. of rain possible),
- Mostly cloudy with AM rain, rain and a bit cooler with a slight (20%) chance of thunderstorms Monday afternoon (0.25 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 35 mph increasing to 45 mph in the afternoon), a slight (20%) chance of evening thunderstorms, rain (0.25 in. of rain possible) at night and breezy (Wind: SW 15-25 mph evening gusts to 40 mph),
- A mix of clouds and sun with a good (50%) chance of rain Tuesday afternoon, mostly clear in the evening, then partly cloudy late Tuesday night.
- highs 59-57 lows 49-36.
- Mostly sunny and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of rain Wednesday night,
- Mostly cloudy with a (30%) chance of AM rain, partly cloudy with a (30%) chance of rain Thursday afternoon, just partly cloudy at night,
- Mostly sunny Friday, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain late Friday night,
- Then mostly cloudy and a bit cooler with rain likely (70%) Saturday.
- highs 60-54 lows 40-38 warming to 42 Friday night. (seasonal averages high 53 low 35)
HOME WOOD HEATING ADVISORY:
The Eugene & Springfield: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
Oakridge And Westfir: GREEN– Fireplace and wood stove used is allowed. Protect air quality by not heating with wood when possible.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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:Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy and a bit cooler with rain today (0.25 in. of rain possible), evening rain, showers late tonight (0.25 in. of rain possible),
- Mostly cloudy with showers and a bit cooler with showers Monday (0.25 in. of rain possible) and breezy (Wind: S 15-25 mph gusts to 50 mph), evening showers, a good (50%) chance of showers (0.10 in. of rain possible) late Monday night and breezy (Wind: SW 15-25 mph gusts to 45 mph),
- Mostly cloudy with a (40%) chance of AM showers, sunny and a bit warmer with a (30%) chance of showers Tuesday afternoon, mostly clear in the evening, then partly cloudy late Tuesday night.
- highs 62-59 warming back to 62 Tuesday lows 50-38.
- Mostly sunny and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers Wednesday night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Thursday afternoon, partly cloudy with a slight (20%)|chance of showers at night,
- Partly cloudy and a bit warmer with a slight (20%) chance of showers Friday and in the evening, mostly cloudy with (30%) chance of showers late Friday night,
- Mostly cloudy with a slight (20%) chance of AM showers, then mostly cloudy and a bit cooler with showers likely (70%) Saturday afternoon.
- highs 66-63 warming to 65 Friday cooling to 59 Saturday lows 44-42 warming back to 44 Friday night. (seasonal averages high 55 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy and a bit cooler with rain (1.00 in. of rain possible) and breezy today (Wind: S 20-30 mph), evening rain, showers (0.50 in. of rain possible) late tonight and breezy (Wind S 15-20 mph decreasing to S 10-15 mph then increasing to S 15-25 mph late tonight),
- Mostly cloudy and a bit cooler with showers (0.50 in. of rain possible) and windy (Wind: S 25-35 mph) Monday, showers likely (70%) at night (0.25 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM showers, partly cloudy Tuesday afternoon, mostly clear in the evening, partly cloudy late Tuesday night.
- highs 62-58 warming to 60 Tuesday lows 47-39.
- AM sun, partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a (30%) chance of showers Wednesday night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Thursday, partly cloudy with a slight (20%) chance of showers at night,
- Partly cloudy and a bit cooler with a slight (20%) chance of showers Friday, mostly cloudy with a (40%) chance of showers Friday night,
- Then mostly cloudy and a bit cooler with showers likely (70%) Saturday.
- highs 66-63 cooling to 59 Saturday lows 42-40 warming back to 42 Friday night. (seasonal averages high 54 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with rain and a bit cooler today (2.00 in. of rain possible) and windy (Pass Wind: SW 15-20 mph increasing to SW 20-30 mph in the afternoon gusts to 50 mph), rain tonight (0.75 in. of rain possible) and breezy (Pass Wind: SW 20-25 mph gusts to 45 mph shifting S 10-15 mph late at night),
- Mostly cloudy with AM rain, rain and snow with a slight (20%) chance of thunderstorms Monday afternoon (heavy rain possible in storms, afternoon snow possibly heavy at times) and windy (Pass Wind: S 20-25 mph shifting SW 25-35 mph in the afternoon gusts to 60 mph), evening rain and snow with a slight (20%) chance of thunderstorms, rain and snow late at night and breezy (Pass Wind: SW 25-35 mph gusts to 60 mph decreasing and shifting to SW 20-25 mph gusts to 50 mph late),
- A mix of clouds and sun with a good (50%) chance of AM rain, mostly sunny with a good (50%) chance of snow and a slight (20%) chance of rain and a bit cooler Tuesday afternoon, mostly clear Tuesday night.
- snow level 8,000 ft. today, 6,000 ft. tonight, 5,500 ft. Monday, 4,000 ft. Monday night and Tuesday, then free air freezing level 6,000 ft. Tuesday night.
- highs 47-38 warming to 50 lows 36-26.
- Mostly sunny and warmer Wednesday, mostly cloudy with a slight (20%) chance of rain Wednesday night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow Thursday, partly cloudy with a slight (20%) chance of evening rain, mostly clear with a slight (20%) chance of rain Thursday night,
- Sunny and slightly warmer Friday, partly cl0udy with a (40%) chance of evening rain, mostly cloudy with a (40%) chance of rain Friday night,
- Then mostly cloudy and a bit cooler with rain and snow likely (70%) Saturday.
- free air freezing level 10,000 ft. Wednesday, snow level 7,000 ft. Wednesday night, 6,000 ft. Thursday, 6,500 ft. Thursday night, free air freezing level 10,000 ft. Friday, snow level 7,000 ft. Friday night, then 6,000 ft. Saturday.
- highs 47-38 warming to 50 Friday lows 32-26 warming to 30 Wednesday night.