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Tim Chuey Weather

by | Dec 29, 2023 | Weather

December 29, 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 HIGH SURF WARNING IS IN EFFECT UNTIL 7 AM TODAY FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH LATE TONIGHT FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, AND THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON 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 sitting along the coast. The graphics for days 1-3  show a cold front just offshore and moving in Friday. The graphics for days 3-7    Monday through Friday show a frontal system sliding along the California coast Tuesday and Wednesday. A complex frontal system will be off the Oregon coast to our northwest next Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with a good (50%) of evening rain, rain likely (70%) late tonight (0.10 in. of rain possible),
  • Mostly cloudy with rain Saturday (under 0.10 in. of rain possible), a good (50%) chance of evening rain, patchy fog with a slight (20%) chance of showers late Saturday night (under 0.10 in. of rain possible),
  • A mix of clouds and sun and a bit cooler Sunday, mostly cloudy with patchy fog late at night (New Year’s Eve),
  • A mix of clouds and sun Monday (New Year’s Day), mostly cloudy with a slight (20%) of evening rain, then a (40%) chance of rain late Monday night.
  • lows 46-37 warming to 39 Monday night highs 53-49.
  • Cloudy and a bit cooler with a good (50%) chance of rain Tuesday, cloudy with a good (50%) chance of rain Tuesday night,
  • Mostly cloudy with a good (50%) chance of rain Wednesday, a slight (20%) chance of evening rain, mostly cloudy with a (30%) chance of rain late at night,then
  • A mix of clouds and sun with a (30%) chance of rain Thursday, mostly cloudy with a good (50%) chance or rain Thursday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then mostly cloudy with a rain likely (70%) Friday afternoon.
  • highs near 48 lows 39-37. (seasonal averages high 46 low 34)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy rain likely (70%) tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with AM rain and patchy dense fog, a bit cooler with patchy dense fog and and a good (50%) chance of rain Saturday afternoon (0.10 in. of rain possible), mostly cloudy with patchy dense fog and a (40%) chance of rain late Saturday night (under 0.10 in. of rain possible),
  • Mostly cloudy with patchy AM fog, mostly cloudy and a bit cooler Sunday afternoon,  mostly cloudy with patchy fog late at night (New Year’s Eve),
  • Mostly cloudy start, partly cloudy Monday afternoon (New Year’s Day), then mostly cloudy with a slight (20%) chance of rain Monday night.
  • lows 48-39 warming to 42 Monday night highs 54-52.
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Tuesday afternoon, rain likely (70%) Tuesday night,
  • Mostly cloudy and a bit cooler with a (40%) of rain Wednesday, a slight (20%) chance of rain at night,
  • Mostly cloudy with a slight (20%) chance of rain Thursday, a (30%) chance of rain Thursday night,
  • Then mostly cloudy and a bit cooler with a good (50%) chance of rain Friday.
  • highs 50-48  lows 42-40. (seasonal averages high 48 low 36).

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

  • Mostly cloudy with evening coastal and a slight (20%) chance of thunderstorms with coastal showers late tonight while early evening inland rain and inland rain late tonight with a slight (20%) chance of thunderstorms late tonight (0.10 in. of rain possible),
  • Mostly cloudy with AM rain likely (70%) and a slight (20%) chance of thunderstorms, a bit cooler with afternoon coastal rain likely (70%) while  a good (50%) chance of inland afternoon rain and a bit cooler Saturday afternoon (under 0.10 in. of rain possible), mostly cloudy patchy fog and a (40%) chance of rain Saturday night (under 0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of coastal rain while patchy AM inland fog and just mostly cloudy inland Sunday, mostly cloudy with patchy fog late at night (New Year’s Eve),
  • Mostly cloudy start, partly cloudy Monday afternoon (New Year’s Day), then mostly cloudy with a good (50%) chance of rain Monday night.
  • lows 48-39 highs near 57.
  • Mostly cloudy with rain likely (70%) Tuesday and Tuesday night,
  • Mostly cloudy with a good (50%) chance of rain Wednesday, a (40%) chance of rain at night,
  • Mostly cloudy with a (40%) chance of rain Thursday and Thursday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) Friday afternoon.
  • highs near 56 lows near 43-40. (seasonal averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening rain likely (70%), a good (50%) chance of rain late tonight (0.10 in. of rain possible),
  • Mostly cloudy with rain and a bit cooler Saturday with afternoon snow (0.10 in. of rain possible, no snow accumulation expected), evening rain and snow, partly cloudy with a good (50%) chance of rain and snow late Saturday night,
  • A mix of clouds and sun with a (30%) chance of snow and a slight (20%) chance of rain and a bit cooler Sunday, just partly cloudy at night (New Year’s Eve),
  • Partly cloudy and a bit warmer Monday (New Year’s Day), then partly cloudy with a (40%) chance of rain late Monday night.
  • snow level 6,000 ft. late tonight, 5,000 ft. Saturday, 4,000 ft. Saturday night and Sunday, free air freezing level 6,000 ft. falling to 5,500 ft. late Sunday night, 6,000 ft. Monday, then snow level 4,500 ft. Monday night.
  • lows 33-25 highs 38-40.
  • Mostly cloudy with a good (50%) chance of AM rain and snow, rain likely (70%) and a bit cooler Tuesday afternoon, rain and snow likely (70%) Tuesday night,
  • Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and snow Wednesday, partly cloudy with a (40%) chance of rain and snow at night,
  • A mix of clouds and sun with a (40%) chance of rain and snow Thursday, partly cloudy with a good (50%) chance of rain and snow Thursday night,
  • Clouds and sun with a good (50%) chance of AM rain and snow, then rain likely (70%) Friday afternoon.
  • snow level 4,500 ft. Tuesday through Wednesday night, 4,000 ft. Thursday, then 4,500 ft. Thursday night and Friday.
  • highs 36-37 lows 28-25.