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Tim Chuey Weather

Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show a weak frontal wave moving across Oregon this evening. The graphics for days 3-7     Sunday through Thursday show a front that slides through between Tuesday and next Wednesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 29 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 9 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

ADVISORIES:

  • A WIND ADVISORY IS IN EFFECT UNTIL 5 PM FRIDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON,  AND THE FOOTHILLS OF THE THE NORTHERN BLUE MOUNTAINS OF OREGON.

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 tonight,
  • Sunny and a bit cooler Friday, clear Friday night,
  • Sunny and a bit cooler Saturday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, then mostly clear Sunday night.
  • lows 47-40 warming to 42 Saturday night and Sunday night highs 68-64.
  • Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday, mostly cloudy with a good (50%) chance of showers at night,
  • Mostly cloudy with a good (50%) chance of showers and a bit cooler Wednesday, a (40%) chance of evening showers, partly cloudy with a (40%) chance of showers late at night,
  • Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Thursday.
  • highs 69-62 warming to 65 Thursday lows near 44  (seasonal averages high 69 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (79)
TREES: HIGH (92)
WEEDS: LOW (2)
Measured 5.16.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, mostly cloudy with a slight (20%) chance of showers late tonight,
  • Some AM clouds, sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler Sunday, then mostly clear Sunday night.
  • lows 52-43 highs 72-65.
  • Partly cloudy and a bit warmer Monday, partly cloudy Monday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (2o%) chance of showers at night,
  • Mostly cloudy a bit cooler with a (30%) chance of showers Wednesday, partly cloudy partly cloudy with a slight (20%) chance of showers Wednesday night,
  • Then partly cloudy with a slight (20%) chance of showers and a bit warmer Thursday.
  • highs 72-64 warming to 68 Thursday lows 46-48 cooling to 45 Wednesday night. (seasonal average high 72 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Becoming mostly  cloudy with a slight (20%) chance of showers late tonight,
  • Some AM clouds, sunny and a bit warmer Friday (Coastal Wind: N 10-15 mph increasing to N 15-25 mph late afternoon while Inland Wind: N 10-15 mph.), clear with patchy fog Friday night and breezy (Coastal Wind: N 15-25 mph decreasing to N 10-15 mph late at night while Inland Wind: N 15-20 mph decreasing to N 5-10 mph late evening and overnight),
  • AM sun with patchy coastal fog while areas of inland fog, partly cloudy and a bit cooler Saturday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit cooler Sunday, then mostly clear Sunday night.
  • lows 47-42 highs 62-59.
  • Mostly sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday, a slight (20%) chance of showers at night,
  • Mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then just partly cloudy and a bit warmer Thursday.
  • highs 62-59 warming to 60 Wednesday lows 43-45 cooling back to 43 Wednesday night. (seasonal average high 61 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Partly cloudy with a good (50%) chance of  late tonight (0.10 in. of rain possible),
  • Sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, partly cloudy with a slight (20%) of evening showers, mostly cloudy with a slight (20%) chance of rain showers and snow showers late at night,
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night.
  • snow level 7,000 ft. late tonight, free air freezing level 7,500 ft. falling to 8,000 ft. Friday afternoon, 10,000 ft. falling to 9,000 ft. late Friday night, 10,000 ft. falling to 9,000 ft. Saturday afternoon, 5,500 ft. falling to 5,000 ft. late Saturday night, 5,500 ft. Sunday, then 6,500 ft. Sunday night.
  • lows 38-29 highs 56-50.
  • Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late Monday night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Tuesday, mostly cloudy with rain and snow showers likely (70%) at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers Wednesday, mostly cloudy with a good (50%) chance of rain and snow showers Wednesday night,
  • Then a mix of clouds and sun and a bit warmer with a (40%) chance of showers Thursday.
  • free air freezing level  snow level 8,000 ft. Monday, 9,000 ft. Monday night, snow level 7,000 ft. Tuesday, 6,500 ft. Tuesday night, 5,000 ft. Wednesday, 4,500 ft. Wednesday night, then 5,000 ft. Thursday.
  • highs 57-44 warming to 48 Thursday lows 35-32.

Read the rest of the entry »


Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show a weak frontal wave moving across Oregon between today and Friday. The graphics for days 3-7     Sunday through Thursday show a frontal system moving through Saturday and another front slides through between Tuesday and next Wednesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 37 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 18 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

ADVISORIES:

  • A WIND ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 11 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON,  AND THE FOOTHILLS OF THE THE NORTHERN BLUE MOUNTAINS OF OREGON.

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:

  • Sunny and a bit cooler today, partly cloudy tonight,
  • Sunny and a bit cooler Friday, mostly clear at night,
  • Sunny Saturday, then mostly clear Saturday night.
  • highs 73-69 lows 47-42.
  • Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, mostly clear Sunday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Monday, partly cloudy at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of rain Tuesday, mostly cloudy with a (40%) chance of rain Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, partly cloudy with a good (50%) chance of rain Wednesday afternoon.
  • highs 64-66 lows 42-45  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (98)
TREES: HIGH (93)
WEEDS: LOW (3)
Measured 5.15.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Patchy dense AM fog, sunny and a bit cooler this afternoon, mostly clear this evening, mostly cloudy late tonight,
  • Some AM clouds, sunny and cooler Friday, clear at night,
  • Mostly sunny Saturday, then mostly clear Saturday night.
  • highs 79-72 lows 50-43.
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Partly cloudy and a bit cooler Monday, partly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (2o%) chance of showers Tuesday night,
  • Then mostly cloudy with a (30%) chance of showers Wednesday.
  • highs 68-66 lows 44-47. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Mostly cloudy with areas of AM coastal fog while mostly cloudy with patchy inland AM fog , sunny and a bit warmer this afternoon, mostly  cloudy tonight,
  • Sunny Friday, clear at night,
  • Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
  • highs 63-62 lows 46-43.
  • Mostly sunny Sunday, mostly clear Sunday night,
  • Partly cloudy Monday, partly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of showers Tuesday and Tuesday night,
  • Then mostly cloudy with a (30%) chance of showers Wednesday.
  • highs 60-62 lows 43-45. (seasonal average high 61 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Sunny and a bit cooler today, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of  late tonight (under 0.10 in. of rain possible),
  • Sunny and cooler Friday, clear at night,
  • Sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night.
  • free air freezing level 13,000 ft. today, snow level 7,000 ft. tonight, free air freezing level 9,000 ft. falling to 8,000 ft. Friday afternoon, 10,000 ft. rising to 11,000 ft. late Friday night, 10,000 ft. Saturday, then 8,000 ft. Saturday night.
  • highs 66-56 warming to 58 Saturday lows 37-32.
  • Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Mostly cloudy  with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Tuesday, mostly cloudy with a good (50%) chance of rain and snow Tuesday night,
  • Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and a slight (20%) chance of snow Wednesday.
  • Wednesday.
  • free air freezing level 6,000 ft. Sunday, 5,500 ft. Sunday night, snow level 4,500 ft. Monday, 5,500 ft. Monday night and Tuesday, 6,000 ft. Tuesday night, then 5,500 ft. Wednesday.
  • highs 52-49 lows 32-33.

Read the rest of the entry »


Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show a weak frontal wave moving across Oregon between Thursday and Friday. The graphics for days 3-7     Saturday through Wednesday show a frontal system moving through Saturday and another front slides through between Tuesday and next Wednesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 39 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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 clear tonight,
  • Sunny and a bit cooler Thursday, partly cloudy Thursday night,
  • Sunny and a bit cooler Friday, mostly clear at night,
  • Sunny Saturday, then mostly clear Saturday night.
  • lows 48-42 highs 73-69.
  • Mostly sunny and a bit cooler Sunday, partly cloudy in the evening, mostly clear Sunday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of rain Monday, partly cloudy at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of rain Tuesday, mostly cloudy with a (40%) chance of rain Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, partly cloudy with a good (50%) chance of rain Wednesday afternoon.
  • highs 64-66 lows 42-45  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (98)
TREES: HIGH (93)
WEEDS: LOW (3)
Measured 5.15.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear with patchy fog late tonight,
  • Patchy dense AM fog, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, mostly cloudy late Thursday night,
  • Some AM clouds, sunny and cooler Friday, clear at night,
  • Mostly sunny Saturday, then mostly clear Saturday night.
  • lows 52-43 highs 79-72.
  • Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
  • Partly cloudy and a bit cooler Monday, partly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, a slight (2o%) chance of showers Tuesday night,
  • Then mostly cloudy with a (30%) chance of showers Wednesday.
  • highs 68-66 lows 44-47. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Partly cloudy with patchy evening coastal fog and mostly cloudy with areas of coastal fog late tonight while partly cloudy inland in the evening and mostly cloudy with patchy inland fog late tonight,
  • Mostly cloudy with areas of AM coastal fog while mostly cloudy with patchy inland AM fog , sunny and a bit cooler Thursday afternoon, mostly  cloudy Thursday night,
  • Sunny and a bit cooler Friday, clear at night,
  • Mostly sunny Saturday, then mostly clear Saturday night.
  • lows 48-43 highs 63-62.
  • Mostly sunny Sunday, mostly clear Sunday night,
  • Partly cloudy Monday, partly cloudy at night,
  • Mostly cloudy with a slight (20%) chance of showers Tuesday and Tuesday night,
  • Then mostly cloudy with a (30%) chance of showers Wednesday.
  • highs 60-62 lows 43-45. (seasonal average high 61 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Mostly clear tonight,
  • Sunny and a bit cooler Thursday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of  late Thursday night (under 0.10 in. of rain possible),
  • Sunny and cooler Friday, clear at night,
  • Sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night.
  • free air freezing level 13,000 ft. tonight and Thursday, snow level 7,000 ft. Thursday night, free air freezing level 9,000 ft. falling to 8,000 ft. Friday afternoon, 10,000 ft. rising to 11,000 ft. late Friday night, 10,000 ft. Saturday, then 8,000 ft. Saturday night.
  • lows 43-32 highs 66-56 warming to 58 Saturday.
  • Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Mostly cloudy  with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Tuesday, mostly cloudy with a good (50%) chance of rain and snow Tuesday night,
  • Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and a slight (20%) chance of snow Wednesday.
  • Wednesday.
  • free air freezing level 6,000 ft. Sunday, 5,500 ft. Sunday night, snow level 4,500 ft. Monday, 5,500 ft. Monday night and Tuesday, 6,000 ft. Tuesday night, then 5,500 ft. Wednesday.
  • highs 52-49 lows 32-33.

Read the rest of the entry »


Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show a weak frontal wave moving across Oregon Thursday. The graphics for days 3-7     Saturday through Wednesday show a frontal system moving through Saturday and another front slides through Tuesday and next Wednesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 39 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 21 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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:

  • Sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit cooler Thursday, partly cloudy at night,
  • Mostly sunny and a bit cooler Friday, then clear Friday night.
  • highs 78-68 lows 49-42.
  • Sunny and slightly warmer Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, mostly clear at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday, partly cloudy in the evening, mostly clear Monday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 69-66 warming to 68 Tuesday lows 42-44  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (34)
TREES: MODERATE (76)
WEEDS: LOW (5)
Measured 5.14.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer today, clear tonight,
  • Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, mostly cloudy at night,
  • Some AM clouds, sunny and cooler Friday, then clear Friday night.
  • highs 82-72 lows 54-45.
  • Sunny Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 72-68 warming to 72 Tuesday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Sunny and a bit warmer today, mostly clear this evening, mostly cloudy late tonight with patchy coastal fog late,
  • Mostly cloudy with patchy AM coastal fog, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Sunny and a bit cooler Friday, then clear Friday night.
  • highs 65-62 lows 49-43.
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly sunny Sunday, partly cloudy at night,
  • Partly cloudy Monday, partly cloudy Monday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Tuesday afternoon.
  • highs near 62 lows 44-46. (seasonal average high 61 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  •  Sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late at night,
  • Sunny and cooler Friday, then clear Friday night.
  • free air freezing level 13,000 ft. today through Thursday, snow level 7,500 ft. Thursday night, free air freezing level 8,000 ft. Friday, then 9,000 ft. Friday night.
  • highs 69-55 lows 42-32.
  • Sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow showers Monday night,
  • Then mostly sunny and a bit warm with a good (50%) chance of rain and snow showers Tuesday.
  • free air freezing level 9,000 ft. Saturday, 8,000 ft. Saturday night, 7,500 ft. Sunday, 7,000 ft. Sunday night, snow level 5,000 ft. Monday, then 5,500 ft. Monday night and Tuesday.
  • highs 58-52 warming to 54 Tuesday lows near 33.

Read the rest of the entry »


Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show weak frontal waves moving across Oregon today and Tuesday for cooling. The graphics for days 3-7     Friday through Tuesday show a frontal system to our south Friday. Then no frontal activity through next Tuesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 37 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 14 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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:

  • Clear tonight,
  • Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Sunny and a bit cooler Thursday, partly cloudy at night,
  • Mostly sunny and a bit cooler Friday, then clear Friday night.
  • lows 48-42 highs 78-68.
  • Sunny and slightly warmer Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, mostly clear at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday, partly cloudy in the evening, mostly clear Monday night,
  • Mostly sunny and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 69-66 warming to 68 Tuesday lows 42-44  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (34)
TREES: MODERATE (76)
WEEDS: LOW (5)
Measured 5.14.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Clear tonight,
  • Sunny and a bit warmer Wednesday, clear Wednesday night,
  • Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, mostly cloudy at night,
  • Some AM clouds, sunny and cooler Friday, then clear Friday night.
  • lows 52-54 cooling to 45 Friday night highs 82-72.
  • Sunny Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 72-68 warming to 72 Tuesday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Mostly clear tonight,
  • Sunny and a bit warmer Wednesday, mostly clear in the evening, mostly cloudy late Wednesday night with patchy coastal fog late,
  • Mostly cloudy with patchy AM coastal fog, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Sunny and a bit cooler Friday, then clear Friday night.
  • lows 48-43 highs 65-62.
  • Mostly sunny Saturday, mostly clear Saturday night,
  • Mostly sunny Sunday, partly cloudy at night,
  • Partly cloudy Monday, partly cloudy Monday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Tuesday afternoon.
  • highs near 62 lows 44-46. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Mostly clear tonight,
  •  Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late at night,
  • Sunny and cooler Friday, then clear Friday night.
  • free air freezing level 13,000 ft. tonight through Thursday, snow level 7,500 ft. Thursday night, free air freezing level 8,000 ft. Friday, then 9,000 ft. Friday night.
  • lows 40-42 cooling to 32 Friday night highs 69-55.
  • Sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of rain and snow showers Monday, partly cloudy with a slight (20%) chance of rain and snow showers Monday night,
  • Then mostly sunny and a bit warm with a good (50%) chance of rain and snow showers Tuesday.
  • free air freezing level 9,000 ft. Saturday, 8,000 ft. Saturday night, 7,500 ft. Sunday, 7,000 ft. Sunday night, snow level 5,000 ft. Monday, then 5,500 ft. Monday night and Tuesday.
  • highs 58-52 warming to 54 Tuesday lows near 33.

Read the rest of the entry »


Here is my weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show weak frontal waves moving across Oregon today and Tuesday for cooling. The graphics for days 3-7     Friday through Tuesday show a frontal system sliding through Oregon next Monday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 30 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 15 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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:

  • Sunny and slightly cooler today, mostly clear tonight,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit cooler Thursday, then clear Thursday night.
  • highs 74-80 cooling to 79 Thursday lows 48-52 cooling to 49 Thursday night.
  • Mostly sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 70-73 cooling to 69 Friday lows 42-45t  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (58)
TREES: MODERATE (59)
WEEDS: LOW (5)
Measured 5.13.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds, sunny and a bit cooler this afternoon, mostly clear tonight,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Mostly sunny Thursday, then mostly clear Thursday night.
  • highs 77-85 lows 52-54 cooling back to 52 Thursday night.
  • Some AM clouds, sunny and cooler Friday, clear Friday night,
  • Sunny and a bit cooler Saturday, mostly clear at night,
  • Mostly sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 83-73 warming to 76 Sunday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Sunny and a bit warmer today, mostly clear tonight,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
  • highs 64-68 cooling to 66 Thursday lows near 48.
  • Some AM clouds, sunny and a bit cooler Friday afternoon,  mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Mostly sunny Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler Monday afternoon.
  • highs 64-62 lows 44-46. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Sunny and a bit warmer today, mostly clear tonight,
  •  Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, mostly clear Thursday night.
  • free air freezing level 13,000 ft. today through Wednesday, 13,000 ft. rising to 14,000 ft.  late Wednesday night,  then 14,000 ft. Thursday and Thursday night.
  • highs 67-72 lows 42-44 cooling back to 42 Thursday night.
  • Sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
  • Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of snow showers Monday.
  • free air freezing level 12,000 ft. Friday, 10,000 ft. Friday night, 10,000 ft. Saturday and Saturday night, 11,000 ft. Sunday, snow level 7,000 ft. Sunday, then 6,000 ft. Monday.
  • highs 60-62 cooling to 56 Monday lows 33-37.

Read the rest of the entry »


Here is my new weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is approaching the West Coast. The graphics for days 1-3  show weak frontal waves moving across Oregon today and Tuesday for cooling. The graphics for days 3-7     Thursday through Monday show a frontal system sliding through Oregon between Thursday and Friday and another frontal system sliding in next Monday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 14 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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 clear this evening, partly cloudy late tonight,
  • Sunny and slightly cooler Tuesday, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit cooler Thursday, then clear Thursday night.
  • lows 46-52 cooling to 49 Thursday night highs 74-80 cooling to 79 Thursday.
  • Mostly sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 70-73 cooling to 69 Friday lows 42-45t  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (58)
TREES: MODERATE (59)
WEEDS: LOW (5)
Measured 5.13.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, clear at night,
  • Mostly sunny Thursday, then mostly clear Thursday night.
  • lows 50-54 highs 77-85.
  • Some AM clouds, sunny and cooler Friday, clear Friday night,
  • Sunny and a bit cooler Saturday, mostly clear at night,
  • Mostly sunny and a bit warmer Sunday, mostly clear in the evening, partly cloudy late Sunday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Monday.
  • highs 83-73 warming to 76 Sunday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Variably cloudy tonight,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, then mostly clear Thursday night.
  • lows 46-48 highs 64-68 cooling to 66 Thursday.
  • Some AM clouds, sunny and a bit cooler Friday afternoon,  mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Mostly sunny Sunday, partly cloudy in the evening, mostly cloudy late Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler Monday afternoon.
  • highs 64-62 lows 44-46. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Partly cloudy tonight,
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  •  Sunny and a bit warmer Wednesday, clear at night,
  • Sunny and a bit warmer Thursday, mostly clear Thursday night.
  • free air freezing level 12,000 ft. tonight, 13,000 ft. Tuesday through Wednesday, 13,000 ft. rising to 14,000 ft.  late Wednesday night,  then 14,000 ft. Thursday and Thursday night.
  • lows 38-44 cooling to 42 Thursday night highs 67-72.
  • Sunny and cooler Friday, clear Friday night,
  • Sunny Saturday, mostly clear at night,
  • Sunny and a bit warmer Sunday, partly cloudy with a slight (20%) chance of showers Sunday night,
  • Mostly sunny and a bit cooler with a (40%) chance of showers and a slight (20%) chance of snow showers Monday.
  • free air freezing level 12,000 ft. Friday, 10,000 ft. Friday night, 10,000 ft. Saturday and Saturday night, 11,000 ft. Sunday, snow level 7,000 ft. Sunday, then 6,000 ft. Monday.
  • highs 60-62 cooling to 56 Monday lows 33-37.

Read the rest of the entry »


Here is my new weekly weather quiz question. “What is “Rime Ice?

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is taking slowly tilting and moving to the east enhancing cooling. The graphics for days 1-3  show weak frontal waves moving across Oregon Monday and Tuesday for cooling. The graphics for days 3-7     Thursday through Monday show a frontal system sliding through Oregon between Thursday and Friday and another frontal system to our northwest Sunday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 38 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 17 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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 sunny and a bit cooler today, partly cloudy this evening, mostly clear late tonight,
  • Sunny and a bit warmer Tuesday, clear at night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  • highs 73-80 lows 46-52.
  • Sunny and a bit cooler Thursday and Friday, clear both nights,
  •  Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Then sunny and a bit warmer Sunday.
  • highs 79-70 warming to 73 Sunday lows 47-43 warming to 45 Saturday night  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (20)
TREES: MODERATE (65)
WEEDS: LOW (9)
Measured 5.12.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds, sunny and a bit cooler this afternoon, mostly clear this evening, partly cloudy late tonight,
  • Some AM clouds, sunny Tuesday afternoon, clear at night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  • highs 77-85 lows 50-54.
  • Sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  • Mostly sunny and a bit warmer Saturday, mostly clear at night,
  • Then mostly sunny Sunday.
  • highs 83-73 warming to 76 Sunday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 48)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • AM clouds, sunny and a bit warmer this afternoon, partly cloudy tonight,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • highs 63-70 lows 46-48.
  • Mostly sunny and a bit cooler Thursday, Friday and Saturday, mostly clear each night,
  • Then mostly sunny and a bit warmer Sunday.
  • highs 66-62 warming to warming to 64 Saturday lows 47-45 warming back to 47 Saturday night. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Sunny and a bit cooler today, partly cloudy this evening, mostly clear late tonight,
  • Then sunny and a bit warmer Tuesday and Wednesday, clear both nights.
  • free air freezing level 11,000 ft. today, 12,000 ft. tonight, 13,000 ft. Tuesday through Wednesday, then 14,000 ft. Wednesday night.
  • highs 62-70 lows 38-44.
  • Sunny and a bit cooler Thursday, Friday and Saturday, mostly clear each night,
  • Then sunny and a bit warmer with a slight (20%) chance of rain Sunday.
  • free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday, 10,000 ft. Friday night, 6,500 ft. Saturday, 9,000 ft. Saturday night, then snow level 6,500 ft. Sunday.
  • highs 69-60 warming to 63 Sunday lows 42-35 warming to 37 Saturday night.

Read the rest of the entry »


Here is my weekly weather quiz question for the last time. “What is “Relative Humidity?” Here is the correct answer. Relative Humidity is a dimensionless ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated. Since the latter amount is dependent on temperature, relative humidity is a function of both moisture content and temperature. As such, relative humidity by itself does not directly indicate the actual amount of atmospheric moisture present. See dew point.

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is taking slowly tilting and moving to the east enhancing cooling. The graphics for days 1-3  show weak frontal waves moving across Oregon Monday and Tuesday for cooling. The graphics for days 3-7     Wednesday through Sunday show a frontal system sliding through Oregon between Thursday and Friday and another frontal system to our northwest Sunday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 38 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 20 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 24 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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 clear tonight,
  • Mostly sunny and a bit cooler Monday, partly cloudy in the evening, mostly clear late Monday night,
  • Sunny and a bit warmer Tuesday, clear at night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  • lows 47-52 highs 73-80.
  • Sunny and a bit cooler Thursday and Friday, clear both nights,
  •  Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Then sunny and a bit warmer Sunday.
  • highs 79-70 warming to 73 Sunday lows 47-43 warming to 45 Saturday night  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (20)
TREES: MODERATE (65)
WEEDS: LOW (9)
Measured 5.12.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Some AM clouds, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy late Monday night,
  • Some AM clouds, sunny Tuesday afternoon, clear at night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  • lows 52-50 warming back to 54 Wednesday night highs 77-85.
  • Sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  • Mostly sunny and a bit warmer Saturday, mostly clear at night,
  • Then mostly sunny Sunday.
  • highs 83-73 warming to 76 Sunday lows 52-45 warming to 47 Saturday night. (seasonal average high 71 low 47)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Becoming mostly cloudy late tonight,
  • AM clouds, sunny and a bit warmer Monday afternoon, partly cloudy Monday night,
  • Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • lows 46-48 highs 63-70.
  • Mostly sunny and a bit cooler Thursday, Friday and Saturday, mostly clear each night,
  • Then mostly sunny and a bit warmer Sunday.
  • highs 66-62 warming to warming to 64 Saturday lows 47-45 warming back to 47 Saturday night. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Mostly clear tonight,
  • Sunny and a bit cooler Monday, partly cloudy in the evening, mostly clear late Monday night,
  • Then sunny and a bit warmer Tuesday and Wednesday, clear both nights.
  • free air freezing level 12,000 ft. falling to 11,000 ft. late tonight, 11,000 ft. Monday, 12,000 ft. Monday night, 13,000 ft. Tuesday through Wednesday, then 14,000 ft. Wednesday night.
  • lows 40-38 warming to 44 Wednesday night highs 62-70.
  • Sunny and a bit cooler Thursday, Friday and Saturday, mostly clear each night,
  • Then sunny and a bit warmer with a slight (20%) chance of rain Sunday.
  • free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday, 10,000 ft. Friday night, 6,500 ft. Saturday, 9,000 ft. Saturday night, then snow level 6,500 ft. Sunday.
  • highs 69-60 warming to 63 Sunday lows 42-35 warming to 37 Saturday night.

Read the rest of the entry »


Here is my weekly weather quiz question for the last time. “What is “Relative Humidity?” Here is the correct answer. Relative Humidity is a dimensionless ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated. Since the latter amount is dependent on temperature, relative humidity is a function of both moisture content and temperature. As such, relative humidity by itself does not directly indicate the actual amount of atmospheric moisture present. See dew point.

____________

An Upper Level High Pressure Ridge (“Arch” shape ) is taking slowly moving to the east enhancing cooling. The graphics for days 1-3  show weak frontal waves moving across Oregon Sunday and Monday for cooling. The graphics for days 3-7     Wednesday through Sunday show a frontal system a front sliding through Oregon between Thursday and Friday and another frontal system to our northwest Sunday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 33 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 40 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
_______________

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:

  • Sunny and a bit cooler today (Mother’s Day), mostly clear tonight,
  • Mostly sunny and a bit cooler Monday, mostly clear at night,
  • Sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
  • highs 85-73 warming to 75 Tuesday lows 48-46 warming back to 48 Tuesday night.
  • Sunny and a bit warmer Wednesday, clear Wednesday night,
  • Sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  •  Sunny and a bit warmer Saturday.
  • highs 77-69 warming to 72 Saturday lows 49-43  (seasonal averages high 68 low 44)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (21)
TREES: MODERATE (59)
WEEDS: LOW (6)
Measured 5.10.24
Data courtesy of Oregon Allergy Associates.
__________
Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
________________

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and cooler today (Mother’s Day), mostly clear tonight,
  • Sunny and a bit cooler Monday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny Tuesday afternoon, then clear Tuesday night.
  • highs 82-78 lows 52-50 warming back to 52 Tuesday night.
  • Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  • Then mostly sunny and a bit warmer Saturday.
  • highs 82-72 warming to 74 Saturday lows 53-46. (seasonal average high 71 low 47)

____________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • AM clouds, sunny and a bit warmer this afternoon (Mother’s Day), partly cloudy late tonight,
  • Some AM clouds, sunny Monday afternoon, partly cloudy late at night,
  • Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
  • highs 63-64 lows 46-48.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday and Friday, mostly clear both nights,
  • Then mostly sunny and a bit warmer Saturday.
  • highs 66-62 warming to warming to 64 Saturday lows 47-44. (seasonal average high 60 low 48)
 __________

Forecast for the Northern Oregon Cascades including the Cascades in Lane County:

  • Sunny and a bit cooler today (Mother’s Day), mostly clear tonight,
  • Mostly sunny and a bit cooler Monday, partly cloudy at night,
  • Sunny and a bit warmer Tuesday, then clear Tuesday night.
  • free air freezing level 12,000 ft. today, 12,000 ft. falling to 11,000 ft. tonight,  11,000 ft. Monday, 12,000 ft. Monday night,  then 13,000 ft. Tuesday and Tuesday night.
  • highs 69-63 warming to 65 Tuesday lows 42-38 warming back to 42 Tuesday night.
  • Sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of rain and snow showers Thursday, becoming mostly clear at night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Friday, mostly cloudy Friday night,
  • Then sunny with a slight (20%) chance of showers and a bit warmer Saturday.
  • free air freezing level 13,000 ft. Wednesday and Wednesday night, snow level 7,000 ft. Thursday, free air freezing level 12,000 ft,. Thursday night, snow level 6,000 ft.  Friday, free air freezing level 11,000 ft. Friday night, then snow level 6,000 ft. Saturday.
  • highs 68-57 warming to 62 Saturday lows 42-35.

Read the rest of the entry »



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