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Tim Chuey Weather

by | Dec 27, 2023 | Weather

December 28, 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

  • A WIND ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR JACKSON COUNTY.
  • A HIGH SURF WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A FREEZING FOG ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR NORTH CENTRAL OREGON AND CENTRAL OREGON.

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

An Upper Level Low Pressure Trough (“U” shape) is moving over the Pacific Northwest. The graphics for days 1-3  show a cold front just offshore Friday. The graphics for days 3-7    Sunday through Thursday show a frontal system sliding along the California coast Tuesday an Wednesday. A complex frontal system will be off the Oregon coast next Thursday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with a slight (20%) chance of AM showers, a (40%) chance of showers and a bit warmer with possible sun breaks this afternoon (under 0.10 in. of rain possible), a slight (20%) chance of evening showers, rain likely (70%) late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with rain likely (70%) Friday and in the evening, showers likely (70%) late at night (under 0.10 in. of rain possible),
  • Mostly cloudy with showers likely (70%) Saturday (0.10 in. of rain possible), then a good (50%) chance of showers Saturday night.
  • highs near 56 lows 46-42.
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday, just mostly cloudy Sunday night (New Year’s Eve),
  • Mostly cloudy with a slight (20%) chance of showers Monday (New Year’s Day) and at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of showers Tuesday, a (40%) chance of showers Tuesday night,
  • Then mostly cloudy and a bit warmer with a (40%) chance of showers Wednesday.
  • highs 49-47 warming back to 49 Wednesday lows near 39. (seasonal averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

  • Areas of dense AM fog, mostly cloudy and a bit cooler with a (30%) chance of showers with widespread dense fog this afternoon (under 0.10 in. of rain possible), a (30%) chance of evening showers, rain likely (70%) late tonight,
  • Mostly cloudy with AM rain likely (70%), rain and a bit warmer Friday afternoon (under 0.10 in. of rain possible), rain at night (0.10 in. of rain possible).
  • Mostly cloudy and a bit cooler with a rain and a bit cooler Saturday, then a good (50%) chance of rain late Saturday night.
  • highs 55-63 cooling back to 55 Saturday lows 49-43.
  • Mostly cloudy with a slight (20%) chance of rain and a bit cooler Sunday, a slight (20%) chance of rain Sunday night (New Year’s Eve),
  • Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy with a slight (20%) chance of rain and a bit warmer Monday afternoon (New Year’s Day), mostly cloudy with a slight (20%) chance of rain at night,
  • Mostly cloudy and a bit cooler with a (30%) chance of rain Tuesday, a (40%) chance of rain Tuesday night,
  • Then mostly cloudy with a (40%) chance of rain Wednesday.
  • highs 50-52 cooling to 49 Tuesday and Wednesday  lows 39-42. (seasonal averages high 48 low 36).

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

  • Mostly cloudy with a good (50%) chance of showers and a bit warmer today and this evening, rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with rain Friday (0.25 in. of rain possible), rain at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Saturday, then a good (50%) chance of rain and colder Saturday night.
  • highs 60-64 cooling to 58 Saturday lows 53-42.
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Sunday, a (40%) chance of rain Sunday night (New Year’s Eve),
  • Mostly cloudy with a slight (20%) chance of rain Monday (New Year’s Day), a (30%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of rain Tuesday and Tuesday night,
  • Then mostly cloudy with a good (50%) chance of rain Wednesday.
  • highs 59-57 lows 44-42. (seasonal averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers this afternoon, a good (50%) chance of evening  showers, rain likely (70%) late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%), and a bit warmer Friday afternoon and evening, rain likely (70%) late at night,
  • Mostly cloudy with showers and a bit cooler Saturday, evening rain and snow showers likely (70%), then partly cloudy with a good (50%) chance of rain and snow showers late Saturday night.
  • snow level 5,000 ft. today, 7,000 ft. tonight, 7,500 ft. Friday, 6,000 ft. Friday night, 5,500 ft. Saturday, then 5,000 ft. Saturday night.
  • highs 42-45 cooling to 40 Saturday lows 37-30.
  • A mix of clouds and sun with a good (50%) chance of rain and snow showers and a bit cooler Sunday, partly cloudy a slight (20%) chance of rain and snow showers Sunday night (New Year’s Eve),
  • Partly cloudy with a slight (20%) chance of AM rain and snow showers, a (30%) chance of rain and snow showers and a bit warmer Monday afternoon (New Year’s Day), partly cloudy with a (30%) chance of rain and snow showers at night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers Tuesday, mostly cloudy with a good (50%) chance of rain and snow showers Tuesday night,
  • Then a mix of clouds and sun with a good (50%) chance of rain and snow showers Wednesday.
  •  snow level 4,500 ft. Sunday,5,000 ft. Sunday night, 4,500 ft. Monday through Tuesday night, then 4,000 ft. Wednesday.
  • highs 43-38-40 cooling to 40 Saturday lows 26-28.