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Tim Chuey Weather

by | May 17, 2022 | Weather

May 17, 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:

  • Partly cloudy and a bit warmer today, mostly cloudy tonight,
  • Mostly cloudy with AM rain, showers likely (70%) and a bit cooler Wednesday afternoon (under 0.10 in. of rain possible), a slight (20%) chance of showers at night,
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Thursday, then just partly cloudy Thursday night.
  • highs 68-59 lows 45-39.
  • Mostly sunny and a bit warmer Friday, partly cloudy Friday night,
  • A mix of clouds and sun and a bit warmer Saturday, mostly cloudy at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday, a (30%) chance of rain Sunday night,
  • A (30%) chance of AM rain, then mostly cloudy and a bit cooler with a slight (20%) chance of rain Monday afternoon.
  • highs 67-72 cooling to 69 Monday lows 39-50. (Seasonal Averages high 69 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy and a bit warmer today, mostly cloudy tonight,
  • Mostly cloudy with a good (50%) chance of showers and a bit cooler Wednesday (under 0.10 in. of rain possible), a slight (20%) chance of evening showers, just mostly cloudy late at night,
  • Mostly cloudy with a slight (20%) chance of showers Thursday, partly cloudy in the evening, then  just mostly clear late Thursday night.
  • highs 69-62 lows 46-42.
  • Sunny and a bit warmer Friday, mostly clear Friday night,
  • Partly cloudy and a bit warmer Saturday and Sunday, partly cloudy both nights,
  • Then mostly cloudy and a bit cooler Monday.
  • highs 70-76 cooling to 74 Monday lows 45-53. (Seasonal Averages high 72 low 48).

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

  • Partly cloudy and a bit warmer today, mostly cloudy tonight,
  • Cloudy with AM coastal showers likely (70%) and a good (50%) chance of coastal showers Wednesday afternoon while a (40%) chance of inland showers Wednesday (under 0.10 in. off rain possible) a slight (20%) chance of evening showers, patchy coastal fog late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy in the evening, then just mostly clear late Thursday night.
  • highs near 60 lows 44-45 cooling to 42 Thursday night.
  • Sunny and a bit warmer Friday, mostly clear Friday night,
  • Partly cloudy and a bit warmer Saturday and Sunday, mostly cloudy both nights,
  • Then mostly cloudy and a bit cooler Monday afternoon.
  • highs 62-66 cooling to 64 Monday lows 44-50. (Seasonal Averages high 61 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • AM sun, partly cloudy and a bit warmer this afternoon and evening, mostly cloudy late tonight,
  • Mostly cloudy with a good (50%) chance of AM rain, showers likely (70%) and cooler Wednesday afternoon, a good (50%) chance of showers atnight (1 in. of snow possible),
  • A mix of clouds and sun with a good (50%) chance of showers and a bit cooler Thursday afternoon (1in. of snow possible), partly cloudy with a slight (20%) chance of evening showers, then just partly cloudy late Thursday night.
  • free air freezing level 10,000 ft. today and tonight, snow level above 8,000 ft. Wednesday afternoon, 6,500 ft. falling to 4,500 ft. late Wednesday night, then 4,000 ft. Thursday and Thursday night,
  • highs 59-42 lows 35-28.
  • Mostly sunny and warmer Friday afternoon, just partly cloudy Friday night,
  • Partly cloudy and a bit warmer Saturday, mostly cloudy at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Sunday and in the evening, a (40%) chance of rain late Sunday night,
  • Then mostly cloudy with a slight (20%) chance of rain Monday.
  • free air freezing level 4,000 ft. rising to 7,000 ft. Friday afternoon, free air freezing level 9,000 ft. late Friday night, 10,000 ft. Saturday afternoon and Saturday night, snow level above 8,000 ft. Sunday, 8,000 ft. late Sunday night, then above 8,000 ft. Monday afternoon.
  • highs 54-60 cooling to 57 Sunday and Monday lows 35-40.