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Tim Chuey Weather

by | May 18, 2022 | Weather

May 18, 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

  • No Advisories at this time.

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

  • The Upper Level Airflow (West to East) is going to give us more sunshine for one more day. The graphics for days 1-3 show the next frontal system that’s headed our way Wednesday. The graphics for days 3-7  Friday through Tuesday show the frontal system that will slide through the Pacific Northwest Sunday through Monday, then another front is approaching the shore next Tuesday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy with AM rain, showers likely (70%) and a bit cooler this afternoon (0.25 in. of rain possible), a slight (20%) chance of evening showers, then a (30%) chance of showers late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of showers Thursday (under 0.10 in. of rain possible), just partly cloudy at night,
  • AM clouds, mostly sunny and a bit warmer Friday afternoon, then partly cloudy Friday night.
  • highs 60-66 lows 44-39 warming to 42 Friday night.
  • Partly cloudy and a bit warmer Saturday, partly cloudy Saturday night,
  • A mix of clouds and sun Sunday, becoming mostly cloudy with a slight (20%) chance of showers at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Monday, a (30%) chance of evening showers, a sight (20%) chance of showers late Monday night,
  • Then mostly cloudy and a bit cooler with a (30%) chance of showers Tuesday.
  • highs 72-67 lows 48-52 cooling to 50 Monday night. (Seasonal Averages high 69 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Cloudy with a good (50%) chance of rain and a bit cooler today (under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of evening rain, just mostly cloudy late tonight,
  • Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy with a slight (20%) chance of rain and a bit cooler Thursday afternoon, partly cloudy in the evening,  just mostly clear late at night,
  • Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
  • highs 63-60 warming to 68 Friday lows 46-39 warming to 43 Friday night.
  • Partly cloudy and a bit warmer Saturday, partly cloudy Saturday night,
  • Partly cloudy and a bit warmer Sunday, partly cloudy with a slight (20%) chance of showers late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers Monday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday afternoon.
  • highs 73-76 cooling to 72 Tuesday lows 49-52. (Seasonal Averages high 72 low 48).

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

  • Cloudy with AM coastal rain likely (70%) and a good (50%) chance of coastal rain this afternoon while a (40%) chance of inland rain today (under 0.10 in. of rain possible), a slight (20%) chance of evening rain, patchy fog late tonight,
  • Mostly cloudy with patchy AM fog, and a bit cooler with a slight (20%) chance of coastal rain Thursday afternoon while a slight (20%) chance of inland rain and a bit cooler Thursday afternoon, partly cloudy in the evening,  just mostly clear late at night,
  • Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
  • highs 60-62 lows 44-42 warming back to 44 Friday night.
  • Some AM clouds, sunny and a bit warmer Saturday afternoon, mostly cloudy Saturday night,
  • Mostly cloudy Sunday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday, a slight (20%) chance of showers Monday night,
  • Then mostly cloudy with a slight (20%) chance of showers Tuesday.
  • highs 63-65 cooling to 64 Monday and Tuesday lows 46-48. (Seasonal Averages high 61 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Becoming mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) changing to showers likely (70%) and cooler this afternoon (0.50 in. of rain possible), a good (50%) chance of showers tonight (0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of showers and a bit cooler Thursday (2 in. of snow possible), partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night,
  • Mostly sunny and warmer Friday afternoon, then just partly cloudy Friday night.
  • snow level above 8,000 ft. this afternoon, 6,500 ft. falling to 4,500 ft. late tonight, 4,000 ft. Thursday and Thursday night, free air freezing level 4,000 ft. rising to 6,500 ft. Friday afternoon, then 7,500 ft. late Friday night.
  • highs 47-42 warming to 55 Friday lows 30-27 warming to 34 Friday night.
  • Partly cloudy and a bit warmer Saturday, partly cloudy Saturday night,
  • Mostly cloudy and a bit warmer Sunday, partly cloudy at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Monday and in the evening, mostly cloudy with a slight (20%) chance of showers late Monday night,
  • Clouds and sun with a slight (20%) chance of AM showers, then a mix of clouds and sun and a bit cooler with a (30%) chance of showers Tuesday afternoon.
  •  free air freezing level 7,500 ft. rising to 9,000 ft. Saturday afternoon, 10,000 ft. Saturday night, 10,000 ft. Sunday, snow level above 8,000 ft.  Sunday night and Monday, 8,000 ft. late Monday night, then snow level above 8,000 ft. Tuesday.
  • highs 60-62 cooling to 56 Tuesday lows 38-42 cooling to 40 Monday night.