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 Sunday and Monday. The graphics for days 3-7 Tuesday through Saturday show the frontal systems that will be heading our way through the period. __________
ADVISORIES:
- NONE AT THIS TIME.
_______________
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 with rain tonight (1.00 in. of rain possible), Mostly cloudy and a bit cooler with rain Sunday (1.50 in. of rain possible), rain Sunday night (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.
- lows 52-36 highs 59-57.
- 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)
________________
:Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with rain tonight (0.25 in. of rain possible),
- Mostly cloudy and a bit cooler with rain Sunday (0.25 in. of rain possible), evening rain, showers late Sunday night (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.
- lows 52-38 highs 62-59 warming back to 62 Tuesday.
- 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)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with early evening rain likely (70%), late evening rain continuing through tonight (0.50 in. of rain possible) and breezy (Coastal Wind: S 20-30 mph while Inland Wind: S 20-30 mph decreasing to S 15-20 mph late at night),
- Mostly cloudy and a bit cooler with rain (1.00 in. of rain possible) and breezy Sunday (Wind: S 20-30 mph), evening rain, showers (0.50 in. of rain possible) late Sunday night and breezy (Wind S 15-20 mph decreasing to S 10-15 mph then increasing to S 15-25 mph late at night),
- 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.
- lows 52-38 highs 62-58 warming to 60 Tuesday.
- 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)
_______________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with rain tonight (1.50 in. of rain possible),
- Mostly cloudy with rain and a bit cooler Sunday (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 Sunday night (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 above 8,000 ft. tonight, 8,000 ft. Sunday, 6,000 ft. Sunday night, 5,500 ft. Monday, 4,000 ft. Monday night and Tuesday, then free air freezing level 6,000 ft. Tuesday night.
- lows 40-30 highs 47-38 warming to 50.
- 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.