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July 2, 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

  • NONE AT THIS TIME.
  • HEALTH ADVISORIES:
  • A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR AREAS AROUND EAGLE POINT IN UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE THE PRESENCE OF A CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOM AND CYANOTOXINS ABOVE RECREATIONAL USE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE, AS THE MAJOR RISK OF EXPOSURE IS FROM INGESTING WATER. THESE TOXINS ARE NOT ABSORBED THROUGH THE SKIN. HOWEVER, IF YOU HAVE SKIN SENSITIVITIES¬† YOU MAY GET A PUFFY RED RASH. IT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SPECIAL CARE SHOULD BE TAKEN WITH CHILDREN, ESPECIALLY THE YOUNGER ONES, WHEN THEY ARE NEAR THE WATER

  • 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

  • As the Upper Level Low Pressure Trough moves eastward and the High Pressure in the Southwest US Strengthens our way we keep dry a while longer. The graphics for days 1-3 show the frontal system moving over Oregon today increasing the cloud cover. The graphics for days 3-7   Tuesday through Saturday show the frontal activity for the Pacific Northwest through the period and one frontal system offshore Thursday, then sliding eastward next Friday.
  • NOTE: As usual, we have already had the sunny and hot weather that we should have for the Independence Day Holiday weekend, but no.. more clouds, cooler and even a chance of a shower for at least part of the long 4th of July Holiday weekend.

Forecast for the South Willamette Valley including Eugene-Springfield:

  • Mostly cloudy and a bit cooler today, mostly cloudy with a slight (20%) chance of showers late tonight,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon, a slight (20%) chance of showers at night,
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer Monday afternoon (Independence Day), then partly cloudy Monday night.
  • highs 75-72 warming back to 75 Monday lows 54-52.
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday and in the evening, just partly cloudy late Tuesday night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Wednesday, just partly cloudy at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday,  just mostly clear Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • highs 78-82 lows near 54. (Seasonal Averages high 80 low 50)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy and a bit cooler this afternoon, a slight (20%) chance of evening thunderstorms, a slight (20%) chance of showers late tonight,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Sunday afternoon, a slight (20%) chance of showers at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Monday (Independence Day), then partly cloudy with a slight (20%) chance of showers Monday night.
  • highs 74-72 warming to 76 Monday lows near 55.
  • Mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday and in the evening, partly cloudy with a slight (20%) chance of showers late Tuesday night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday, just partly cloudy at night,
  • Partly cloudy and a bit warmer Thursday, mostly clear Thursday night,
  • The mostly sunny Friday.
  • highs 77-80 lows near 55. (Seasonal Averages high 82 low 55).

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

  • Cloudy and a bit warmer today, mostly cloudy with a slight (20%) chance of coastal showers late tonight,
  • Mostly cloudy Sunday, mostly cloudy with a slight (20%) chance of showers late Sunday night,
  • Mostly cloudy with a slight (20%) chance of AM showers, a bit warmer with a slight (20%) chance of showers Monday  afternoon (Independence Day), then a (30%) chance of showers Monday night.
  • highs 65-67 lows 52-50.
  • Mostly cloudy and a bit warmer with a (30%) chance of showers Tuesday, a slight (20%) chance of showers Tuesday night,
  • Mostly cloudy with a slight (20%) chance of showers Wednesday, partly cloudy at night,
  • Then partly cloudy Thursday through Friday.
  • highs near 68 lows near 53. (Seasonal Averages high 65 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • A mix of clouds and sun and a bit cooler with a good (50%) chance of late morning/early afternoon showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers and thunderstorms late this afternoon, (0.10 in. of rain possible, more in storms), a good (50%) chance of evening showers and a slight (20%) chance of thunderstorms, a slight (20%) chance of showers late tonight,
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers and a slight (20%) chance of thunderstorms Sunday afternoon, a good (50%) chance of showers late at night,
  • Clouds and sun with a (30%) chance of AM showers, a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Monday afternoon (Independence Day), then just partly cloudy Monday night.
  • snow level above 8,000 ft. today and tonight, 8,000 ft. Sunday and Sunday night, 7,500 ft. rising to above 8,000 ft. Monday afternoon, then free air freezing level 10,000 ft. rising to 11,000 ft. late Monday night.
  • highs 64-57 warming to 59 Monday lows 44-42 warming back to 44 Monday night.
  • Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer with a (40%) chance of showers Tuesday afternoon, partly cloudy with a (30%) chance of evening showers, partly cloudy late Tuesday night,
  • Partly cloudy with a slight (20%) chance of AM showers, a bit warmer with a (40%) chance of showers and a slight (20%) chance of thunderstorms Wednesday afternoon, just partly cloudy at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of showers Thursday afternoon, partly cloudy Thursday night,
  • Then mostly sunny and a bit warmer Friday.
  • snow level above 8,000 ft. Tuesday afternoon and Tuesday evening, free air freezing level 12,000 ft. late Tuesday night, snow level above 8,000 ft. Wednesday, air freezing level 13,000 ft. Wednesday night and Thursday morning, snow level above 8,000 ft. Thursday afternoon, free air freezing level 13,000 ft. rising to 14,000 ft. late Thursday night, then 13,000 ft. Friday.
  • highs 63-69 lows near 46.