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Tim Chuey Weather

by | Dec 6, 2023 | Weather

December 6, 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 FLOOD WARNING IS IN EFFECT FROM LATE TONIGHT UNTIL EARLY FRIDAY MORNING FOR THE LUCKIAMUTE RIVER NEAR SUVER AFFECTING POLK AND BENTON COUNTIES.
  • A FLOOD WARNING IS IN EFFECT THROUGH THIS EVENING FOR THE SILETZ RIVER AT SILETZ AFFECTING LINCOLN COUNTY, THE NEHALEM RIVER AT AT FOSS AFFECTING TILLIMOOK COUNTY, THE COWLITZ RIVER AT KELSO AFFECTING COWLITZ COUNTY, THE TRASK RIVER NEAR TILLAMOOK AFFECTING TILLAMOOK COUNTY, THE WILSON RIVER NEAR TILLAMOOK,AFFECTING TIILLAMOOK COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM THURSDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY ABOVE 3,500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES,.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM THURSDAY UNTIL 10 AM FRIDAY ABOVE 4,000 FT. FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE NORTHWEST BLUE MOUNTAINS.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 1 AM THURSDAY FOR BENTON COUNTY, CLACKAMAS COUNTY, CLATSOP COUNTY, COLUMBIA COUNTY, LANE COUNTY, LINCOLN COUNTY, LINN COUNTY,  MARION COUNTY, MULTNOMAH COUNTY, POLK COUNTY, TILLAMOOK COUNTY, WASHINGTON COUNTY, AND YAMHILL COUNTY.
  • A WIND ADVISORY IS IN EFFECT UNTIL 10 PM THIS EVENING FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH THURSDAY AFTERNOON FOR THE NORTH CENTRAL OREGON COAST AND THE CENTRAL OREGON COAST.
  • A HIGH SURF ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A FLOOD WATCH IS IN EFFECT THROUGH 4 PM THIS AFTERNOON FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF NORTHWEST OREGON, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, AND THE CENTRAL WILLAMETTE VALLEY.
  • A FLOOD WATCH IS IN EFFECT THROUGH THIS AFTERNOON THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, AND JOSEPHINE COUNTY.

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

Frontal systems are moving through Oregon bringing rain and they will be pushed by Atmospheric Rivers. The graphics for days 1-3  show a cold front slowly pushing through the Pacific Northwest. The graphics for days 3-7  Saturday through Wednesday show a very active weather pattern through next Wednesday.

________________

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain and a slight (20%) chance of thunderstorms tonight (0.50 in. of rain possible, more in storms),
  • Mostly cloudy and a bit cooler with rain and a slight (20%) chance of thunderstorms Thursday (0.25 in. of rain possible), rain and a slight (20%) chance of thunderstorms Thursday night (0.25 in. of rain possible, more in storms),
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain Friday afternoon, a slight (20%) chance of evening rain, rain likely (70%) late at night,
  • Mostly cloudy with rain Saturday, then rain Saturday night.
  • lows 44-36 warming to 43 Saturday night highs near 49.
  • Mostly cloudy with rain and a bit warmer Sunday, a good (50%) chance of rain Sunday night,
  • Mostly cloudy with a (40%) of rain and a bit cooler Monday afternoon, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy at night,
  • A mix of clouds and sun and a bit cooler Tuesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
  • Then mostly cloudy with a (40%) chance of rain Wednesday.
  • highs 53-47 lows 42-34. (seasonal averages high 48 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with evening rain and a slight (20%) chance of thunderstorms, showers with a slight (20%) chance of thunderstorms  tonight (0.25 in. of rain possible, snow level 3,500 ft. late tonight),
  • Mostly cloudy with AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon (snow level 3,000 ft.),  showers and snow with a slight (20%) chance of thunderstorms late Thursday night (snow level 2,500 ft., no snow accumulation expected),
  • Mostly cloudy with AM snow and rain likely (70%), a good (50%) chance of rain and a bit cooler Friday afternoon, a slight (20%) chance of evening rain, a (30%) chance of rain and snow late at night,
  • Mostly cloudy and a bit warmer with rain Saturday, then rain Saturday night.
  • lows 43-37 warming to 45 Saturday night highs near 47.
  • Mostly cloudy with AM rain, a bit warmer with rain likely (70%) Sunday afternoon, a (0%) chance of rain Sunday night,
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Monday, a slight (20%) chance of evening rain, just mostly cloudy at night,
  • Mostly cloudy start, partly cloudy and a bit cooler Tuesday afternoon and evening, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
  • Then mostly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday.
  • highs 50-52 cooling to 49 Wednesday lows 45-37. (seasonal averages high 48 low 37)

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

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms late tonight (0.50 in. of rain possible, heavy rain possible in storms),
  • Mostly cloudy with AM coastal showers likely (70%) with a (30%) chance of thunderstorms coastal showers and a bit cooler with a slight (20%) chance of thunderstorms Thursday afternoon while inland AM showers and a slight (20%) chance of thunderstorms with inland showers and a (30%) chance of thunderstorms Thursday afternoon (0.75 in. of rain possible), showers with a slight (20%) chance of thunderstorms late Thursday night (0.25 in. of rain possible),
  • Mostly cloudy with AM coastal rain likely (70%) and a good (50%) chance of coastal rain Friday afternoon while a good (50%) chance of inland rain Friday, cloudy with a (30%) chance of evening coastal rain and coastal rain likely (70%) late at night while a (30%) chance of inland rain at night,
  • Mostly cloudy with AM rain likely (70%), rain and breezy and a bit warmer Saturday afternoon, then rain Saturday night.
  • lows 43-39 warming to 47 Saturday night highs 55-57.
  • Mostly cloudy with AM rain, rain likely (70%) and a bit warmer Sunday afternoon, evening rain likely (70%), a good (50%) chance of rain late Sunday night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of rain Monday, a slight (20%) chance of evening rain, partly cloudy with a slight (20%) chance of rain late at night,
  • Partly cloudy with a slight (20%) chance of AM rain, just partly cloudy and a bit warmer Tuesday afternoon and evening, mostly cloudy with a slight (20%) chance of rain at night,
  • Then mostly cloudy and a bit cooler with a (40%) chance of rain Wednesday.
  • highs 59-57 warming back to 59 Tuesday cooling back to 57 Wednesday lows 44-40. (seasonal averages high 53 low 41)
  • in likely (70%), a good (50%) chance of rain Sunday afternoon, a good (50%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of rain Monday, a (40%) chance of rain Monday night,
  • Then mostly cloudy with a (30%) chance of rain Tuesday.
  • highs near 58 lows 46-38. (seasonal averages high 53 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain and snow tonight (0.75 in. of rain possible, 3-6 in. of snow possible, snow possibly heavy at times),
  • Mostly cloudy and cooler with snow and rain Thursday and a slight (20%) chance of thunderstorms (0.75 in. of rain possible,3-7 in. of snow possible, snow possibly heavy at times), evening snow and rain (snow possibly heavy at times) with a slight (20%)chance of thunderstorms, rain late Thursday night,
  • Mostly cloudy with AM snow, a bit cooler with a good (50%) chance of snow Friday afternoon, partly cloudy with a slight (20%)  chance of evening snow,mostly cloudy with rain likely (70%) late at night,
  • Mostly cloudy with rain and snow and a bit warmer Saturday, then rain and snow Saturday night.
  • snow level 3,500 ft. tonight, 3,000 ft. Thursday, 2,500 ft. Thursday night and Friday, 2,000 ft. Friday night, 4,500 ft. Saturday, then 6,500 ft. Saturday night,
  • lows 28-19 warming to 32 Saturday night highs near 30-35.
  • Mostly cloudy with rain and snow and a bit warmer Sunday, evening rain and snow likely (70%), a good (50%) chance of rain and snow late Sunday night,
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow Monday, partly cloudy with a (40%) chance of evening rain and snow, a slight (20%) chance of rain and snow at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of rain and snow Tuesday, a slight (20%) chance of rain and snow Tuesday night,
  • Clouds and sun with a slight (20%) chance of AM rain and snow, then a mix of clouds and sun and a bit warmer with a (40%) chance of snow Wednesday afternoon.
  • snow level  6,500 ft. Sunday, 5,500 ft. Sunday night, 5,000 ft. Monday, 4,500 ft. Monday night, 5,000 ft. Tuesday, then 5,500 ft. Tuesday night and Wednesday.
  • highs 37-35 warming back to 37 Wednesday lows 29-24.