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Tim Chuey Weather

by | Dec 31, 2023 | Weather

January 1, 2024

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 DENSE FOG ADVISORY IS IN EFFECT UNTIL 11 AM MONDAY FOR THE SOUTH WILLAMETTE VALLEY.
  • A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON MONDAY FOR THE LOWER COLUMBIA BASIN OF OREGON.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT FROM 7 PM MST TONIGHT UNTIL 8 AM MST WEDNESDAY FOR HARNEY COUNTY, MALHEUR COUNTY, AND 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

An Upper Level Low Pressure Trough (“U” shape) is moving inland to be replaced by Upper Level High Pressure.  The graphics for days 1-3  show a cold front just offshore and moving in through California and Nevada. The graphics for days 3-7     Thursday through Monday show a frontal system sliding along the California coast Wednesday and Thursday. Another  complex frontal system will slide through the California coast to our northwest next Friday then pushing down the California coast Friday through next Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Patchy AM and nighttime dense fog, mostly cloudy, possible sun breaks and a bit warmer this afternoon (New Year’s Day), mostly cloudy with a (40%) chance of rain late tonight,
  • Patchy AM fog, rain likely (70%) Tuesday afternoon and evening (under 0.10 in. of rain possible), a good (50%) chance of rain at night (under 0.10 in. of rain possible),
  • Mostly cloudy with a (40%) chance of AM showers, a slight (20%) chance of showers Wednesday afternoon, then a slight (20%) chance of showers Wednesday night.
  • highs near 48 lows 38-42 cooling back to 38 Wednesday night.
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Thursday, a good (50%) chance of evening rain, rain likely (70%) late Thursday night,
  • Mostly cloudy with rain and a bit cooler Friday, rain at night,
  • Mostly cloudy and a bit cooler with rain Saturday and in the evening, showers likely (70%) late Saturday night,
  • Mostly cloudy with AM showers likely (70%), then a good (50%) chance of rain and a bit cooler Sunday afternoon.
  • highs 50-44 lows 40-34. (seasonal averages high 47 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Some AM clouds with patchy fog, sunny and a bit warmer this afternoon (New Year’s Day), partly cloudy this evening, mostly cloudy with patchy fog and a slight (20%) chance of rain late tonight,
  • Cloudy with a good (50%) chance of AM rain, rain Tuesday afternoon and evening (under 0.10 in. of rain possible), a good (50%) chance of rain late at night (under 0.10 in. of rain possible),
  • Mostly cloudy with a (30%) of rain Wednesday, then a slight (20%) chance of rain Wednesday night.
  • highs near 52 lows 40-42 cooling back to 40 Wednesday night.
  • Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy and a bit cooler with a slight (20%) chance of rain Thursday afternoon, partly cloudy with a good (50%) chance of evening rain, mostly cloudy with rain likely (70%) late Thursday night,
  • Mostly cloudy with AM rain likely, rain and a bit cooler Friday afternoon, rain late at night,
  • Mostly cloudy with rain and snow and a bit cooler Saturday, snow possibly heavy at times, evening rain and snow, rain and snow likely (70%) late Saturday night,
  • Then mostly cloudy and a bit cooler with rain and snow likely (70%) Sunday.
  • highs 50-43  lows 40-42 cooling to 36 Saturday night. (seasonal averages high 49 low 37).

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

  • Partly cloudy with areas of AM fog, partly cloudy and a bit warmer this afternoon (New Year’s Day), partly cloudy with a slight (20%) chance of evening coastal rain with coastal rain likely (70%) tonight while partly cloudy this evening inland and mostly cloudy with a slight (20%) chance of inland rain late tonight,
  • Mostly cloudy and a bit warmer with rain Tuesday (0.10 in. of rain possible) and at night (0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of rain and a bit cooler Wednesday, then a slight (20%) chance of rain Wednesday night.
  • highs 57-52 lows near 42.
  • Mostly cloudy with a slight (20%) chance of rain and a bit warmer Thursday, a good (50%) chance of rain Thursday night,
  • Mostly cloudy with rain and a bit cooler Friday and Saturday, rain both nights,
  • Then mostly cloudy with rain likely (70%) Sunday.
  • highs 57-52 lows near 43-38. (seasonal averages high 53 low 40)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today (New Year’s Day), partly cloudy with a slight (20%) chance of rain late tonight,
  • Mostly cloudy with a slight (20%) chance of AM rain and snow, rain and snow likely (70%) and a bit cooler Tuesday afternoon, rain and snow likely (70%) at night,
  • Mostly cloudy with AM snow showers likely (70%) and a good (50%) chance of rain showers, a (40%) chance of showers and a bit warmer Wednesday afternoon, then a slight (20%) chance of rain and snow showers Wednesday night.
  • free air freezing level 6,000 ft. tonight, 6,000 ft. rising to 6,500 ft. Monday afternoon, snow level 4,500 ft. Monday night through Wednesday night.
  • highs 40-36 lows 26-29 cooling to 27 Wednesday.
  • A mix of clouds and sun and a bit warmer with a (30%) chance of  rain and snow Thursday, partly cloudy with a (40%) chance of evening snow and a (30%) chance of rain, mostly cloudy with a (30%) chance of rain late Thursday night,
  • Mostly cloudy with rain and snow and a bit cooler Friday, snow and rain at night,
  • Mostly cloudy and a bit cooler with snow and a slight (20%) chance of rain Saturday (snow possibly heavy at times), evening snow, snow showers likely (70%) late Saturday night,
  • Then mostly cloudy and a bit cooler with snow showers likely (70%) Sunday.
  • snow level 4,500 ft. Thursday and Thursday night, 4,000 ft. Friday, 3,500 ft. Friday night, 2,500 ft. Saturday, 2,000 ft. Saturday night, then 1,500 ft Sunday.
  • highs 37-27 lows 27-22.