Follow EDN on Social Media |

June 20, 2023

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 1AM UNTIL 8 AM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN LAKE COUNTY, AND CENTRAL AND EASTERN LAKE COUNTY.UNTY.

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) over the Pacific Northwest will keep up the chances for rain. The graphics for days 1-3  show no frontal systems approaching the Pacific Northwest. The graphics for days 3-7  Friday through Tuesday show no major frontal systems moving into Oregon, but one to our northwest next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with sun breaks and a bit warmer with a good (50%) chance of showers today (under 0.10 in. of rain possible), just partly cloudy tonight,
  • Partly cloudy and warmer Wednesday (Summer Solstice 7:57 am), mostly clear at night,
  • Sunny and a bit warmer Thursday, then mostly clear Thursday night.
  • highs 66-84 lows 46-52.
  • Partly cloudy and a bit cooler Friday and Friday night,
  • Partly cloudy and a bit warmer Saturday, partly cloudy at night,
  • Then partly cloudy with a slight (20%) chance of showers Sunday afternoon through Monday.
  • highs 77-80 lows 49-52.  (seasonal averages high 75 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a (30%) chance of showers and a bit warmer today, mostly cloudy this evening, becoming mostly clear late tonight,
  • Sunny and warmer Wednesday (Summer Solstice 7:57 am), mostly clear at night,
  • Sunny and warmer Thursday, then partly cloudy with a slight (20%) chance of showers Thursday night.
  • highs 66-88 low 49-56.
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Friday, partly cloudy Friday night,
  • Partly cloudy and a bit warmer Saturday, partly cloudy at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday afternoon, then partly cloudy with a slight (20%) chance of showers Sunday night and Monday.
  • highs 79-83 lows 54-57. (seasonal averages high 78 low 53)

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

  • Mostly cloudy and a bit warmer with a (30%) chance of showers today (under 0.10 in. of rain possible), mostly cloudy this evening, partly cloudy late tonight,
  • Sunny and a bit warmer Wednesday (Summer Solstice 7:57 am), mostly clear at night,
  • Sunny and a bit warmer Thursday, then mostly cloudy Thursday night.
  • highs 63-70 lows 48-53.
  • Mostly cloudy and a bit cooler Friday, mostly cloudy Friday night,
  • Mostly cloudy start, partly cloudy and a bit warmer Saturday afternoon, mostly cloudy with a slight (20%) chance of showers late at night,
  • Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance  of showers Sunday afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, then partly cloudy with a slight (20%) chance of showers Monday afternoon.
  • highs 66-68 lows near 52. (seasonal averages high 64 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clouds and sun with a slight (20%) chance of AM rain and snow showers, a mix of clouds and sun with a (40%) chance of showers and a bit warmer this afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late tonight,
  • Mostly sunny start, partly cloudy and warmer Wednesday afternoon (Summer Solstice 7:57 am), partly cloudy in the evening, mostly clear late at night,
  • AM sun, partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday afternoon, a (40%) chance of evening showers, then just partly cloudy late Thursday night.
  • snow level 4,500 ft. rising to 6,000 ft. this afternoon, 6,500 ft. tonight, free air freezing level 8,000 ft. rising to 9,000 ft. Wednesday afternoon, 10,000 ft. rising to 11,000 ft. late Wednesday night, then snow level above 8,000 ft. Thursday and Thursday night.
  • highs 49-68 lows 32-42.
  • Partly cloudy and a bit cooler with a (40%) chance of showers Friday afternoon, a (30%) chance of evening showers, just partly cloudy late Friday night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Saturday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Saturday night, a (30%) chance of evening showers, partly cloudy late at night,
  • AM clouds and sun with a slight (20%) chance of showers, a mix of clouds and sun with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a good (50%) chance of showers of evening showers, partly cloudy with a good (50%) chance of showers late Sunday night,
  • Then a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Monday.
  • snow level above 8,000 ft. Friday through Monday.
  • highs 63-68 cooling to 66 Monday lows 40-44.