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June 14, 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 FREEZE WARNING IS IN EFFECT FROM 2 AM UNTIL 9 AM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
  • A FREEZE WATCH IS IN EFFECT LATE TONIGHT THROUGH WEDNESDAY MORNING FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
  • A FLOOD WARNING IS IN EFFECT FOR THE COLUMBIA RIVER AT VANCOUVER AFFECTING MULTNOMAH COUNTY.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR UMATILA COUNTY.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR WALLOWA COUNTY.
  • A FLOOD WATCH IS IN EFFECT FOR THE COLUMBIA RIVER AT LONGVIEW UNTIL LATE THIS MORNING THE LOWER COLUMBIA ZONES.
  • 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 High Pressure Ridge (“Arch” shape) will be moving in to clear out the rain and bring more sunshine to the Pacific Northwest. The graphics for days 1-3 show no frontal activity over Oregon through the period. A front will be well offshore by Wednesday. The graphics for days 3-7   Friday through Tuesday show the frontal system that moved through the Pacific Northwest Thursday and then a front sliding down from the northwest next Tuesday.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer this afternoon, partly cloudy tonight,
  • Partly cloudy and a bit warmer Wednesday, partly cloudy at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, then partly cloudy with a slight (20%) chance of showers late Thursday night.
  • highs 67-75 cooling to 70 Thursday lows 44-52.
  • A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Friday, partly cloudy with a (30%) chance of evening showers, a slight (20%) chance of showers late Friday night,
  • AM clouds and sun with a slight (20%) chance of showers, a mix of clouds and sun and a bit warmer with a (40%) chance of showers Saturday afternoon, partly cloudy with a slight (20%) chance of showers at night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Sunday (Juneteenth), partly cloudy Sunday night,
  • Then partly cloudy and a bit warmer Monday.
  • highs 67-73 lows near 50. (Seasonal Averages high 73 low 47)

Forecast for the Umpqua Valley including Roseburg:

  • AM clouds, sunny and warmer this afternoon, mostly clear tonight,
  • AM sun, partly cloudy and warmer Wednesday afternoon, party cloudy at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday, then a slight (20%) of showers Thursday night.
  • highs 69-78 cooling back to 69 Thursday lows 46-52.
  • Mostly cloudy and a bit cooler with a (40%) chance of showers Friday, a (30%) chance of showers Friday night,
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Saturday, partly cloudy with a slight (20%) chance of showers at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday (Juneteenth), partly cloudy Sunday night,
  • Then partly cloudy and a bit warmer Monday.
  • highs 68-73 lows near 50. (Seasonal Averages high 76 low 52).

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

  • AM clouds and a slight (20%) chance of isolated coastal showers while partly cloudy with a slight (20%) chance of isolated inland AM showers, mostly sunny and a bit warmer this afternoon, mostly clear tonight,
  • Partly cloudy and a bit warmer Wednesday and in the evening, mostly cloudy with a slight (20%) chance of coastal showers Wednesday night while partly cloudy in the evening inland and mostly cloudy with a slight (20%) chance of inland showers late at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, just mostly cloudy and a bit cooler Thursday afternoon, then mostly cloudy with patchy fog and a slight (20%) chance of showers late Thursday night.
  • highs 66-68 cooling back to 66 Thursday lows 46-50.
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, a (40%) chance of showers Friday afternoon, mostly cloudy with a (30%) chance of showers Friday night,
  • Mostly cloudy with a (30%) chance of showers Saturday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy late Saturday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy a bit warmer Sunday afternoon (Juneteenth), just partly cloudy Sunday night,
  • Then partly cloudy and a bit warmer Monday.
  • highs 65-67 lows near 50. (Seasonal Averages high 63 low 51)

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Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clouds and sun with a good (50%) chance of AM rain and snow showers, a bit warmer with a slight (20%) chance of showers this afternoon, just mostly clear tonight,
  • Mostly sunny start, partly cloudy and warmer Wednesday afternoon, partly cloudy at night,
  • A mix of clouds and sun and a bit cooler Thursday, then mostly cloudy with a slight (20%) chance of showers late Thursday night.
  • snow level 5,000 ft. rising to 5,50 ft. this afternoon, free air freezing level 1,000 ft. rising to 10,000 ft. late tonight, 12,000 ft. Wednesday, 11,000 ft. falling to 10,000 ft. late Wednesday night, 9,000 ft. Thursday, 10,000 ft. Thursday evening, then snow level 8,000 ft. late Thursday night.
  • highs 52-67 cooling to 59 Thursday lows 33-39.
  • Mostly cloudy with a good (50%) chance of AM showers, a bit cooler with good (50%) chance of showers and a slight (20%) chance of thunderstorms Friday afternoon, mostly cloudy with a (40%) chance of evening showers, a slight (20%) chance of showers late Friday night,
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Saturday afternoon, partly cloudy with a (30%) chance of evening showers, just partly cloudy late at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday (Juneteenth), partly cloudy Sunday night,
  • Then partly cloudy and a bit warmer Monday.
  • snow level 7,500 ft. falling to 7,000 ft. Friday afternoon, 7,000 ft. Friday night, 6,500 ft. rising to 7,000 ft. Saturday afternoon, 5,000 ft. Saturday evening, free air freezing level 8,000 ft. late Saturday night, snow level 7,000 ft. rising to 7,500 ft. Sunday afternoon, free air freezing level 11,00 ft. falling to 10,000 ft, Sunday night, then 10,000 ft. rising to 11,000 ft. Monday afternoon.
  • highs 52-60 lows near 38.