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Tim Chuey Weather

by | Nov 29, 2023 | Weather

November 30, 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 10 AM TODAY BELOW 1,000 FT. FOR THE CASCADE FOOTHILLS IN LANE COUNTY.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, WALLOWA COUNTY, THE JOHN DAY BASIN, THE OCHOCO, THE JOHN DAY HIGHLANDS, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON,  NORTH CENTRAL OREGON, AND CENTRAL OREGON.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR CENTRAL DOUGLAS COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON MST TODAY FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 10 AM TODAY FOR THE CENTRAL WILLAMETTE VALLEY AND THE SOUTH WILLAMETTE VALLEY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 10 AM TODAY FOR JACKSON COUNTY, JOSEPHINE COUNTY, AND KLAMATH COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR DESCHUTES, JEFFERSON, AND WASCO COUNTIES.
  • A WINTER STORM WATCH IS IN EFFECT FROM LATE  TONIGHT THROUGH SATURDAY AFTERNOON ABOVE 4,000 FT. FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS,
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM TODAY UNTIL 4 AM FRIDAY ABOVE 3,500 FT. FOR EASTERN DOUGLAS COUNTY FOOTHILLS.
  • A WINTER STORM WATCH IS IN EFFECT FROM LATE TONIGHT UNTIL SATURDAY AFTERNOON ABOVE 4,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM TODAY UNTIL 4 AM FRIDAY ABOVE 4,000 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES.
  • A WINTER STORM WATCH IS IN EFFECT FROM LATE TODAY THROUGH SATURDAY AFTERNOON FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY.
  • A WINTER STORM WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY AFTERNOON ABOVE 3,500 FT. FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 10 AM TODAY UNTIL 4 AM FRIDAY AFTERNOON ABOVE 3,500 FT. FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH LATE MONDAY NIGHT FOR THE NORTH CENTRAL OREGON COAST AND THE CENTRAL OREGON COAST.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH LATE MONDAY NIGHT FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.

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 heading our way bringing rain. The graphics for days 1-3  show a cold front Pushing through the Pacific Northwest today. The graphics for days 3-7  Sunday through Thursday show an active weather pattern Sunday through next Thursday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain and a bit warmer today (0.10 in. of rain possible), rain tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Friday (0.25 in. of rain possible), rain (0.25 in. of rain possible) and breezy at night (Wind: S 10-15 mph increasing and shifting to SW 20-25 mph late at night),
  • Mostly cloudy with rain and a bit warmer Saturday, then rain Saturday night.
  • highs 48-52 lows 39-48.
  • Mostly cloudy and a bit warmer with rain Sunday, rain Sunday night,
  • Mostly cloudy and a bit warmer with rain Monday, rain at night,
  • Mostly cloudy with rain and a bit cooler Tuesday, rain likely (70%) Tuesday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Wednesday.
  • highs 56-58 cooling to 55 Wednesday lows 47-49 cooling back to 47 Tuesday night. (seasonal averages high 49 low 36)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and a bit warmer with rain and a slight (20%) chance of thunderstorms today (0.25 in. of rain possible, snow level 3,500 ft.), evening showers and a slight (20%) chance of thunderstorms, showers late tonight (0.10 in. of rain possible, snow level 3,000 ft.),
  • Mostly cloudy rain and a slight chance of thunderstorms and a bit warmer Friday (0.25 in. of rain possible), rain at night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Saturday, then rain Saturday night.
  • highs 47-52 lows 40-48.
  • Mostly cloudy and a bit warmer with rain Sunday and in the evening, rain likely (70%) late Sunday night,
  • Mostly cloudy and a bit warmer with rain likely (70%) Monday, a good (50%) chance of rain at night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Tuesday, rain likely (70%) Tuesday night,
  • Then mostly cloudy and a bit cooler with rain Wednesday.
  • highs 54-58 cooling back to 54 Wednesday lows 50-48 cooling back to 50 Wednesday. (seasonal averages high 50 low 39)

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

  • Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms and a bit cooler today and this evening (0.25 in. of rain possible), showers late tonight (0.10 in. of rain possible),
  • Mostly cloudy with coastal showers and a slight (20%) chance of thunderstorms and a bit warmer Friday (0.50 in. of rain possible), rain (0.25 in. of rain possible) and breezy at night (Wind: SW 15-25 mph),
  • Mostly cloudy with AM showers and a slight (20%) chance of thunderstorms, a bit warmer with rain and breezy Saturday afternoon, then rain Saturday night.
  • highs 56-60 lows 42-53.
  • Mostly cloudy and windy with rain and a bit warmer Sunday, rain and windy Sunday night,
  • Mostly cloudy with AM rain, a bit warmer with rain likely (70%) Monday afternoon, rain likely (70%) at night,
  • Mostly cloudy with rain likely (70%) Tuesday and in the evening, rain late Tuesday night,
  • Then mostly cloudy with rain Wednesday.
  • highs 59-56 lows near 52. (seasonal averages high 54 low 42)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with snow and rain and a bit warmer today (0.50 in. of rain possible, 2-5 in. of snow possible), snow and rain tonight (0.50 in. of rain possible, 2-5 in. of snow possible),
  • Mostly cloudy with snow and rain and a bit cooler Friday (snow possibly heavy at times), rain and snow and windy (Pass Wind: SW 15-20 mph gusts to 35 mph increasing to SW 20-30 mph gusts to 45 mph late at night) at night (snow possibly heavy at times),
  • Mostly cloudy and a bit warmer with rain and snow and windy Saturday (snow possibly heavy at times), evening rain and snow, then rain late Saturday night.
  • snow level 3,000 ft. today and tonight and Friday, 4,000 ft. Friday night, 4,500 ft. Saturday, then 5,500 ft. Saturday night.
  • highs near 33 lows 25-32.
  • Mostly cloudy with rain and a bit warmer Sunday, rain Sunday night,
  • Mostly cloudy with rain and a bit warmer Monday, rain likely (70%) at night,
  • Mostly cloudy and a bit warmer with rain Tuesday and in the evening, rain and snow likely (70%) Tuesday night,
  • Then mostly cloudy and a bit cooler with rain and a slight (20%) chance of snow Wednesday.
  • snow level  7,500 ft. Sunday and Sunday night, 8,000 ft. Monday through Tuesday, 7,500 ft. Tuesday night, then 6,500 ft. Wednesday.
  • highs 39-42 cooling to 38 Wednesday lows 32-34 cooling back to 32 Tuesday night.