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Tim Chuey Weather

by | Apr 15, 2024 | Weather

April 16, 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 FROST ADVISORY IS IN EFFECT FROM 11 PM TODAY THROUGH 9 AM WEDNESDAY FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, THE CENTRAL COAST OF OREGON, THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, THE NORTH OREGON COAST RANGE, THE CENTRAL OREGON COAST RANGE, THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, THE INNER PORTLAND METRO, EAST PORTLAND METRO, THE OUTER SOUTHEAST PORTLAND METRO, THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL  WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS (WHICH INCLUDE EUGENE & SPRINGFIELD), THE WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., THE WEST COLUMBIA RIVER GORGE I-85 CORRIDOR, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS.
  • A FREEZE WARNING IS IN EFFECT FROM 11 PM TODAY UNTIL 9 AM WEDNESDAY FOR THE UPPER HOOD RIVER VALLEY.
  • A FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
  • A FLOOD WARNING IS IN EFFECT UNTIL EARLY FRIDAY APRIL 19 TH FOR THE OWYHEE RIVER BELOW THE OWYHEE DAM AFFECTING MALHEUR COUNTY.

HEALTH ADVISORIES

  • 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 High Pressure Ridge  brings the Pacific Northwest more sunshine.  The graphics for days 1-3  show a cold front sliding into Oregon today with little or no effect on our weather. The graphics for days 3-7     Friday through Tuesday show a frontal system offshore next Saturday moving across the Pacific Northwest between Saturday night and next Sunday.  A complex frontal system will be offshore Monday then approaching the coast next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Some AM clouds, mostly sunny and a bit cooler today, partly cloudy this evening, clear with areas of frost late tonight,
  • Areas of AM frost, sunny and a bit warmer Wednesday afternoon, mostly clear at night,
  • Sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 57-70 lows 33-40.
  • Sunny and a bit warmer Friday, partly cloudy Friday night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Saturday, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
  • A mix of clouds and sun and a bit cooler Sunday, mostly cloudy in the evening, partly cloudy late Sunday night,
  • Then mostly sunny and a bit warmer Monday.
  • highs 72-63 warming to 65 Monday lows near 42. (seasonal averages high 61 low 40)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds, mostly sunny this afternoon, mostly clear with areas of frost late tonight,
  • Areas of AM frost, sunny and a bit warmer Wednesday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 56-60 lows 37-44.
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a slight (20%) chance of rain at night,
  • Mostly cloudy start, partly cloudy Sunday afternoon and Sunday night,
  • Then partly cloudy Monday.
  • highs 66-60 lows 43-45 cooling back to 43 Saturday night. (seasonal averages high 63 low 42)

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

  • AM clouds, mostly sunny this afternoon, mostly clear this evening, partly cloudy tonight with areas of inland frost late tonight,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Sunny and a bit warmer Thursday, then partly cloudy Thursday night.
  • highs 55-66 lows 38-44.
  • Partly cloudy and a bit cooler Friday, partly cloudy Friday night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a slight (20%) chance of rain at night,
  • Mostly cloudy  Sunday and Sunday night,
  • Mostly cloudy start, then partly cloudy and a bit cooler Monday afternoon.
  • highs 65-58 lows 45-42. (seasonal average high 57 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit cooler today, partly cloudy this evening, mostly clear late tonight,
  • Sunny and a bit warmer Wednesday, mostly clear at night,
  • Sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • free air freezing level 4,000 ft. rising to 5,000 ft. this afternoon, 5,000 ft. falling to 3,500 ft. late tonight, 5,500 ft. Wednesday afternoon, 7,000 ft. falling to 6,500 ft. late Wednesday night, 8,000 ft. Thursday, then 9,000 ft. Thursday night.
  • highs 45-56 lows 22-32.
  • Sunny and a bit warmer Friday, mostly clear Friday night,
  • Mostly sunny and a bit cooler with a slight (20%) chance of showers Saturday, mostly cloudy with a slight (20%) chance of evening rain and snow showers, partly cloudy with a slight (20%) chance of rain and snow showers late at night,
  • Mostly sunny with a slight (20%) chance of rain and snow showers Sunday, partly cloudy Sunday night,
  • Then mostly sunny and a bit warmer with a slight (20%) chance of rain and snow showers Monday.
  • free air freezing level 9,000 ft. Friday and Friday night, snow level 6,000 ft. Saturday, 5,500 ft. Saturday night and Sunday, free air freezing level 8,000 ft. Sunday night, then 6,000 ft. Monday.
  • highs 58-54 warming to 56 Monday lows 34-32 warming back to 34  Sunday night.