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Tim Chuey Weather

by | May 8, 2022 | Weather

May 8, 2022

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 10 AM TODAY FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY ABOVE 1,500 FT. FOR THE CENTRAL COAST RANGE OF WESTERN OREGON AND THE CASCADE FOOTHILLS IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 3 AM UNTIL 11 AM TODAY ABOVE 2,000 FT. FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, JACKSON COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT FROM 5 AM UNTIL 11 PM TODAY FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 10:30 AM TODAY FOR UMATILLA COUNTY.

HEALTH ADVISORIES

  • A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.

THE WEATHER PATTERN

  • An Upper Level Low Pressure Trough (“U” shape) is moving in bringing with it more rainy weather. The graphics for days 1-3 show no frontal systems that moving through the Pacific Northwest. The graphics for days 3-7  Wednesday through Sunday show only weak waves of moisture sliding through until a complex frontal system pushes through the Pacific Northwest Thursday and Thursday night, then the next frontal system will be just offshore next Sunday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms and a bit cooler this afternoon (0.25 in. of rain possible, small hail possible) and this evening, a good (50%) chance of showers late tonight (0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM showers, a slight (20%) chance of showers and thunderstorms Monday afternoon (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
  • A mix of clouds and sun with a slight (20%) chance of  showers and a bit warmer Tuesday afternoon, then just partly cloudy Tuesday night.
  • highs 53-59 lows near 38.
  • A mix of clouds and sun Wednesday, mostly cloudy with a slight (20%) chance of evening showers, a good (50%) chance of showers late Wednesday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Thursday, a good (50%) chance of evening showers, a good (50%) chance of showers late at night,
  • Mostly cloudy and a bit warmer with a (40%) chance of showers Friday, a (30%) chance of evening showers, a slight (20%) chance of showers late Friday night,
  • Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Saturday.
  • highs 59-57 warming to 68 Saturday lows 44-42 warming to 46 Friday night. (Seasonal Averages high 67 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with showers, snow showers, a slight (20%) chance of thunderstorms and a bit cooler today and this evening (0.25 in. of rain possible, 2-3 in. of snow possible, small hail possible, snow level 1,500 ft. rising to 2,000 ft.), showers, snow showers likely (70%) and a slight (20%) chance of thunderstorms late tonight (0.10 in. of rain possible, 1 in. of snow possible, small hail possible, snow level 2,500 ft. falling to 2,000 ft.),
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, a bit warmer with showers, snow showers and a slight (20%) chance of thunderstorms Monday afternoon (0.10 in. of rain possible, small hail possible, snow level 2,000 ft. rising to 2,500 ft.), a (30%) chance of evening showers, snow showers and a slight (20%) chance of thunderstorms, partly cloudy with patchy fog at night (under 0.10 in. of rain possible),
  • Mostly cloudy start, partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday afternoon, then just partly cloudy with patchy fog Tuesday night.
  • highs 52-59 lows near 37.
  • Some AM clouds, partly cloudy and a bit warmer Wednesday afternoon, mostly cloudy with a (30%) chance of showers Wednesday night,
  • Mostly cloudy and a bit cooler with showers likely (70%) Thursday, a good (50%) chance of rain at night,
  • Mostly cloudy with a (30%) chance of showers Friday, a slight (20%) chance of showers Friday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and warmer Saturday afternoon.
  • highs 60-57 warming to 72 Saturday lows 44-42 warming to 46 Friday night. (Seasonal Averages high 70 low 47).

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

  • Mostly cloudy with AM coastal showers and a slight (20%) chance of thunderstorms while inland AM showers and snow showers and a slight (20%) chance of thunderstorms (gusty winds and small hail possible), a bit cooler with showers and a (30%) chance of thunderstorms this afternoon (0.25 in. of rain possible), showers with a (30%) chance of thunderstorms tonight (0.25 in. of rain possible),
  • Mostly cloudy with AM coastal showers and a slight (20%) chance of thunderstorms (snow level 2,000 ft.) and coastal showers likely (70%) with a slight (20%) chance of thunderstorms Monday afternoon while inland showers with a slight (20%) chance of thunderstorms Monday (0.10 in. of rain possible, AM snow level 2,000 ft.), mostly cloudy with a (30%) chance of evening coastal showers and just partly cloudy late at night while a good (50%) chance of inland showers and a slight (20%) chance of thunderstorms just partly cloudy with patchy inland fog late at night,
  • Partly cloudy with a slight (20%) chance of showers and a bit warmer Tuesday afternoon, mostly clear in the evening, then partly cloudy with patchy fog late Tuesday night.
  • highs 52-57 lows 40-38.
  • Patchy AM fog, mostly cloudy Wednesday, a good (50%) chance of showers Wednesday night,
  • Mostly cloudy with showers likely (70%) Thursday, a good (50%) chance of showers at night,
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Friday, a slight (20%) chance of showers Friday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit warmer Saturday afternoon.
  • highs 57-66 lows 44-42 warming to 46 Friday night. (Seasonal Averages high 60 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy and a bit cooler with showers and a sight (20%) chance of thunderstorms this afternoon (0.25 in. of rain possible, 1-4 in. of snow possible, small hail possible), a good (50%) chance of evening showers with a slight (20%) chance of thunderstorms (small hail possible), a (40%) chance of snow showers late tonight (0.25 in. of rain possible, 1-3 in. of snow possible),
  • Mostly cloudy with a good (50%) chance of AM snow showers, a bit warmer with rain and snow showers and a slight (20%) chance of thunderstorms Monday afternoon (1 in. of snow possible), a good (50%) chance of evening rain and snow showers with a slight (20%) chance of thunderstorms, just mostly cloudy late at night,
  • A mix of clouds and sun and a bit warmer with a (30%) chance of rain and snow showers Tuesday afternoon, partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Tuesday night.
  • snow level 2,000 ft. rising to  2,500 ft. this afternoon, 2,500 ft. falling to 2,000 ft. late tonight, 2,000 ft. rising to 3,000 ft. Monday afternoon, 3,000 ft. Monday evening,  3,500 ft. Tuesday afternoon, free air freezing level 5,000 ft. falling to 3,500 ft. late Tuesday night.
  • highs 33-39 lows near 24.
  • Partly cloudy and a bit warmer Wednesday, mostly cloudy with a slight (20%) chance of evening rain and snow showers, a (30%) chance of rain and snow showers late Wednesday night,
  • Mostly cloudy with a good (50%) chance of AM rain and snow showers, rain and snow showers likely (70%) and a bit cooler Thursday afternoon, a good (50%) chance of rain and snow showers late at night,
  • A mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow showers Friday, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with partly cloudy with a slight (20%) chance of showers late Friday night,
  • Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Saturday.
  •  free air freezing level 3,000 ft. rising to 5,000 ft. Wednesday afternoon, snow level 4,500 ft. falling to 3,500 ft. late Wednesday night, 3,500 ft. rising to 4,500 ft. Thursday afternoon, 4,500 ft. falling to 4,000 ft. late Thursday night, 3,500 ft. rising to 4,500 ft. Friday afternoon, 6,500 ft. rising to 7,000 ft. late Friday night, then 7,000 ft. rising to 8,000 ft. Saturday afternoon.
  • highs 33-40 warming to 55 Saturday lows 29-34.