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Tim Chuey Weather

by | Nov 13, 2023 | Weather

November 13, 2023

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

  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 11 AM MST WEDNESDAY FOR THE OREGON LOWER TREASURE VALLEY.

HEALTH ADVISORIES

  • A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT BEVERLY 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, THE ELDERLY, AND THOSE WITH A COMPROMISED IMMUNE SYSTEM SHOULD USE EXTRA CAUTION AS THEY ARE MORE VULNERABLE TO TO ILLNESSES FROM WATERBORNE BACTERIA. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN.
  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN EXPANDED FOR THE AREA FROM THE ROSS ISLAND LAGOON TO RIVERPLACE MARINA IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS CATCH AND RELEASE FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS. DRINKING WATER FROM THE LAKE IS ESPECIALLY DANGEROUS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR THE WILLAMETTE RIVER FROM ROSS ISLAND DOWNSTREAM (NORTH) TO THE AREA NEAR CATHEDRAL PARK IN PORTLAND, IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.DO NOT DRINK THE WATER.
  • A RECREATIONAL USE HEALTH ADVISORY CONTINUES IN EFFECT FOR ARRONS LAKE, BUT HAS BEEN LIFTED FOR PETE’S SLOUGH AND STURGEON LAKE ON SAUVIE ISLAND DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR AGENCY LAKE AND EXTENDED THE ADVISORY FOR THE SOUTHERN PORTION OF UPPER KLAMATH LAKE, FROM HOWARD’S BAY SOUTH TO THE LINK RIVER DAM  IN KLAMATH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE RESERVOIR WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • 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.

THE WEATHER PATTERN

  • Zonal (West to East) airflow continues the moisture feed, but weak high pressure brings short-lived drying. The graphics for days 1-3  show the next frontal system that will move through the Pacific Northwest Monday. The graphics for days 3-7   Thursday through Monday show the complex frontal system that impacts our weather Thursday. Another front will slide in Sunday and next Monday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Cloudy with a good (50%) chance of AM showers (under 0.10 in. of rain possible), mostly cloudy and a bit cooler, possible sun breaks, Monday afternoon, mostly cloudy Monday night (under 0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of showers and a bit cooler Tuesday (under 0.10 in. of rain possible), showers likely (70%) at night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, a (40%) chance of evening showers, then partly cloudy late Wednesday night.
  • highs 56-53 warming to 55 Wednesday lows 40-42 cooling to 38 Wednesday night.
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, partly cloudy Thursday night,
  • Partly cloudy Friday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a (30%) chance of shower late at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Saturday afternoon, evening rain likely (70%), a (40%) chance of rain late Saturday night,
  • Then mostly cloudy and a bit cooler with a good (50%) chance of rain Sunday.
  • highs 54-56 cooling to 53 Saturday night lows 38-43. (seasonal averages high 54 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with AM rain likely (70%), a bit cooler with a good (50%) chance of showers this afternoon (0.10 in. of rain possible),  a slight (20%) chance of rain tonight and patchy fog late tonight (under 0.10 in. of rain possible) ,
  • Patchy AM fog, mostly cloudy with a (30%) chance of rain Tuesday afternoon (under 0.10 in. of rain possible), a (40%) chance of rain Tuesday night with patchy fog late (under 0.10 in. of rain possible),
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer with a (30%) chance of rain Wednesday afternoon, then patchy fog with a slight (20%) chance of rain Wednesday night.
  • highs 55-58 lows near 44.
  • Patchy AM fog, partly cloudy and a bit cooler Thursday, mostly clear in the evening, partly cloudy late Thursday night,
  • Partly cloudy and a bit warmer Friday, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain at night,
  • Mostly cloudy and a bit cooler with a (30%) chance of rain Saturday, a (40%) chance of rain Saturday night,
  • Then mostly cloudy and a bit cooler with a (30%) chance of rain Sunday.
  • highs 56-59 cooling to 54 Sunday lows 42-45. (seasonal averages high 55 low 41)

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

  • Mostly cloudy with a (40%) chance of showers today (under 0.10 in. of rain possible), a (30%) of showers tonight with patchy inland fog late tonight (under 0.10 in. of rain possible),
  • Patchy AM fog,  mostly cloudy and a bit cooler with a (30%) chance of rain Tuesday (under 0.10 in. of rain possible), cloudy with a (40%) chance of rain at night and patchy fog late (under 0.10 in. of rain possible),
  • Mostly cloudy with a (40%) of AM rain, partly cloudy with a (40%) chance of rain and a bit warmer Wednesday afternoon, then partly cloudy with a slight (20%) chance of rain Wednesday night and patchy fog late.
  • highs 62-58 warming back to 62 Wednesday lows 46-50 cooling to 44 Wednesday night.
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, mostly clear Thursday night,
  • Partly cloudy and a bit warmer Friday and in the evening, mostly cloudy with a (30%) chance of rain late Friday night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Saturday, a good (50%) chance of rain Saturday night,
  • Then mostly cloudy and a bit cooler with a (40%) chance of rain Sunday.
  • highs 60-63 cooling to 57 Sunday lows 43-48 (seasonal averages high 58 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with AM showers likely (70%) and a good (50%) chance of snow showers, a good (50%) chance of showers and a bit cooler this afternoon, a (40%) chance of evening showers, just mostly cloudy late tonight (0.25 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Tuesday afternoon, showers likely (70%) at  night,
  • Mostly cloudy with a good (50%) chance of rain and snow showers and a bit warmer Wednesday, mostly cloudy with a good (50%) chance of evening rain and snow showers, then partly cloudy with a good (50%) chance of rain and snow showers late Wednesday night.
  • snow level 5,500 ft. today, 6,000 ft. tonight and Tuesday, 6,500 ft. Tuesday night, 6,000 ft. Wednesday and Wednesday night.
  • highs 42-47 lows 32-34 cooling back to 32 Wednesday night.
  • Partly cloudy with a (40%) chance of rain showers and snow showers and a bit warmer Thursday, mostly clear with a slight (20%) chance of showers Thursday night,
  • Mostly sunny with a slight (20%) chance of AM showers, partly cloudy and a bit warmer with a slight (20%) chance of rain and snow showers Friday afternoon, partly cloudy with a good (50%) chance of evening showers, mostly cloudy with a good (50%) chance of showers at night,
  • Mostly cloudy with AM rain likely (70%), rain and snow likely (70%) snow showers likely (70%) and a bit cooler Saturday afternoon, rain and snow likely (70%) Saturday  night,
  • Mostly cloudy with AM rain and snow likely (70%), then snow likely (70%) and a bit cooler Sunday afternoon.
  • snow level 6,000 ft. Thursday, 6,500 ft. Thursday night, 7,000 ft. Friday and Friday night, 6,500 ft. Saturday,6,000 ft. Saturday night, then 5,000 ft. Sunday.
  • highs 50-38 lows near 32.