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Tim Chuey Weather

by | May 5, 2024 | Weather

May 6, 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 WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT ABOVE 4,000 FT. FOR THE NORTHERN OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 2 AM TODAY ABOVE 3,500 FT. FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • A WIND ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE EASTERN COLUMBIA GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
  • A WIND ADVISORY IS IN EFFECT FROM 11 AM UNTIL 8 PM TODAY FOR CENTRAL AND EASTERN LAKE 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 Low Pressure Trough (“U” shape) is over the Pacific Northwest. An Upper Level High Pressure (“Arch” ) shape will take over midweek. The graphics for days 1-3  show a frontal system sliding through Pacific Northwest between tonight and Monday. The graphics for days 3-7    Thursday through Monday show the frontal activity moving across the Pacific Northwest through the period.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain and a bit warmer today (0.25 in. of rain possible), rain tonight (0.10 in. of rain possible),
  • Mostly cloudy with AM rain and a slight (20%) chance of thunderstorms, a bit warmer with showers and a slight (20%) chance of thunderstorms Monday afternoon ( 0.25 in. of rain possible), rain at night (under 0.10  in. of rain possible),
  • A mix of clouds and sun with a good (50%) chance of rain and a bit warmer Tuesday, partly cloudy in the evening, then mostly clear late Tuesday night.
  • highs 54-59 lows 45-38.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Sunny and warmer Thursday, clear at night,
  • Sunny and a bit warmer Friday, clear Friday night,
  • Sunny and a bit warmer Saturday.
  • highs 63-82 lows 40-50 (seasonal averages high 66 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms today (under 0.10 in. of rain possible, snow level 3,500 ft.), evening showers with a slight (20%) chance of thunderstorms, a good (50%) chance of rain late tonight (under 0.10 in. of rain possible, snow level 3,000 ft.),
  • Mostly cloudy and a bit warmer with a (30%) chance of rain Tuesday (snow level 3,000 ft.), partly cloudy in the evening, mostly clear with areas of frost late Tuesday night,
  • AM clouds with areas of frost, sunny and warmer Wednesday afternoon, clear Wednesday night.
  • highs 56-66 lows 42-40 warming back to 42 Wednesday night.
  • Sunny and warmer Thursday, clear Thursday night,
  • Sunny and a bit warmer Friday, clear at night,
  • Sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Then mostly sunny and a bit cooler Sunday.
  • highs 79-83 lows 49-55. (seasonal average high 69 low 46)

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

  • Mostly cloudy with a good (50%) chance of AM coastal rain and a slight (20%) chance of thunderstorms and coastal showers with a slight (20%) chance of thunderstorms and a bit warmer this afternoon while inland AM rain with a slight (20%) chance of thunderstorms and inland afternoon rain likely (70%) with a slight (20%) chance of thunderstorms and a bit warmer this afternoon (0.10 in. of rain possible), evening showers likely (70%) with a slight (20%) chance of thunderstorms, a good (50%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer Tuesday with a slight (20%) chance of inland AM rain, becoming mostly clear Tuesday night,
  • Sunny and a bit warmer Wednesday, then clear Wednesday night.
  • highs 55-62 lows 42-40 warming to 44 Wednesday night.
  • Sunny and as bit warmer Thursday and Friday, clear both nights,
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • Some AM clouds, then sunny and a bit cooler Sunday afternoon.
  • highs 72-77 cooling to 66 Sunday lows 52-50. (seasonal average high 59 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with AM rain and snow, rain showers, snow showers and a slight (20%) thunderstorms and a bit warmer this afternoon and evening (0.75 in. of rain possible, 4-8 in. of snow possible, snow possibly heavy at times), snow snow showers late tonight (0.50 in. of rain possible, 2-5 in of snow possible),
  • Mostly cloudy and a bit cooler with rain showers likely (70%) and and snow showers Tuesday, a slight (20%) chance of evening rain and snow showers just partly cloudy late at night,
  • Sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • snow level 4,500 ft. today, 3,000 ft. tonight, 3,000 ft. rising to 4,000 ft. Tuesday afternoon, 3,500 ft. Tuesday night, free air freezing level 5,500 ft. Wednesday, then 8,000 ft. Wednesday night.
  • highs 38-47 lows 27-24 warming to 32 Wednesday night.
  • Sunny and warmer Thursday, clear Thursday night,
  • Sunny and a bit warmer Friday clear at night,
  • Sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Then mostly sunny with a slight (20%) chance of rain Sunday.
  • free air freezing level 10,000 ft. Thursday, 12,000 ft. Thursday night, 11,000 ft. Friday through Saturday night, then snow level above 8,000 ft. Sunday.
  • highs 66-69 lows 38-45.