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July 15, 2022

Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.

ADVISORIES

  • NONE AT THIS TIME.

HEALTH ADVISORIES

  • A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT D RIVER BEACH IN LINCOLN COUNTY. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. UNSAFE LEVELS OF FECAL BACTERIA CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS, AND OTHER ILLNESSES. CHILDREN,ELDERLY AND THOSE WITH A COMPROMISED IMMUNE SYSTEM SHOULD USE EXTRA CAUTION AS THEY ARE MORE VULNERABLE TO ILLNESSES FROM WATERBORNE BACTERIA.VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF RUNOFF FLOWING INTO THE OCEAN. LEVELS OF FECAL BACTERIA TEND TO BE HIGHER IN THESE TYPES OF WATER SOURCES.
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR AREAS AROUND EAGLE RIDGE  COUNTY PARK IN UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES  YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER
  • A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.

THE WEATHER PATTERN

  • The Upper Level High Pressure Ridge (“Arch” shape) will replaced by an Upper Level Low Pressure Trough (“U” shape) in the Gulf of Alaska and push a cold front through the Pacific Northwest by Friday night into Saturday. The graphics for days 1-3 show a cold frontal system moving through Oregon between Friday night and Saturday. The graphics for days 3-7   Monday through Friday show the frontal activity for the Pacific Northwest through the period with a cold front approaching from the northwest and pushing through Wednesday into next Friday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Becoming partly cloudy late tonight,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of drizzle Saturday afternoon, partly cloudy Saturday night,
  • Some AM clouds, mostly sunny Sunday afternoon, clear at night,
  • Sunny and a bit warmer Monday, then clear Monday night.
  • lows 54-50 warming back to 54 Monday night highs 80-87.
  • Mostly sunny and a bit warmer Tuesday, clear Tuesday night,
  • Mostly sunny and a bit cooler Wednesday, mostly clear at night,
  • Then mostly sunny Thursday and Friday, clear Thursday night.
  • highs 89-86 lows 56-53. (Seasonal Averages high 85 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear tonight,
  • Mostly cloudy start, partly cloudy and a bit cooler Saturday afternoon, mostly clear Saturday night,
  • Some AM clouds, sunny Sunday afternoon, clear at night,
  • Sunny and a bit warmer Monday, then clear Monday night.
  • lows 58-53 warming to 57 Monday night highs 82-87.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Patchy AM fog, sunny and a bit cooler Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Then mostly sunny Friday.
  • highs 87-92 cooling 84 Thursday lows 59-57. (Seasonal Averages high 86 low 58).

Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Becoming mostly cloudy late tonight,
  • Mostly cloudy with patchy AM fog and drizzle, partly cloudy and slightly cooler Saturday afternoon, mostly clear in the evening, partly cloudy late Saturday night,
  • Some AM clouds, mostly sunny and a bit cooler Sunday afternoon, mostly clear at night.
  • Sunny and a bit warmer Monday, then mostly clear with patchy fog late Monday night.
  • lows 55-53 highs 72-69 warming to 73.
  • Patchy AM and late night fog, mostly sunny and slightly cooler Tuesday afternoon, partly cloudy Tuesday night,
  • Patchy AM fog, partly cloudy Wednesday, partly cloudy at night,
  • Then partly cloudy Thursday through Friday.
  • highs near 72 lows 55-53. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • Sunny and a bit warmer Saturday, partly cloudy with patchy fog late Saturday night,
  • Mostly sunny and a bit cooler Sunday, clear at night,
  • Sunny and a bit warmer Monday, then clear Monday night.
  • free air freezing level 15,000 ft. tonight through Sunday, 15,000 ft. rising to 16,000 ft. Sunday night, then 16,000 ft. Monday and Monday night.
  • lows 48-45 warming to 52 Monday night highs 73-70 warming to 79 Monday.
  • Sunny and a bit warmer Tuesday, mostly clear Tuesday night,
  • Sunny and a bit cooler Wednesday, mostly clear at night,
  • Mostly sunny and a bit cooler Thursday, clear Thursday night,
  • Then sunny Friday.
  • free air freezing level 16,000 ft. Tuesday and Tuesday night, 16,000 ft. falling to 15,000 ft. Wednesday afternoon, 16,000 ft. Wednesday night, then 15,000 ft. Thursday through Friday.
  • highs 82-75 lows 53-48.

_____

  • Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the actual weather will conform to the projected forecast.

_____

  • For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com

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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.

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Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Becoming mostly cloudy late tonight,
  • Some AM clouds, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy late Friday night,
  • Mostly cloudy start, partly cloudy and slightly cooler Saturday afternoon, mostly clear at night,
  • Mostly sunny Sunday, then mostly clear Sunday night.
  • lows 54-56 cooling back to 54 Sunday night highs 70-69.
  • Mostly sunny and a bit warmer Monday, mostly clear Monday night,
  • Partly cloudy and slightly cooler Tuesday, partly cloudy at night,
  • Then partly cloudy Wednesday through Thursday.
  • highs 73-72 lows 54-56 cooling back to 54 Wednesday night. (Seasonal Averages high 66 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear tonight,
  • Mostly sunny and a bit cooler Friday, clear Friday night,
  • Sunny and a bit warmer Saturday, mostly clear at night,
  • Some AM clouds, mostly sunny and a bit cooler Sunday, then clear Sunday night.
  • free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 15,000 ft. Friday night through Sunday, then 16,000 ft. Sunday night.
  • lows 49-47 highs 74-72 warming back to 74 Sunday.
  • Sunny and a bit warmer Monday, clear Monday night,
  • Sunny Tuesday, mostly clear at night,
  • Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
  • free air freezing level 16,000 ft. Monday through Thursday.
  • highs 80-75 lows 53-50.