August 5, 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 RED FLAG WARNING IS IN EFFECT UNTIL 8PM TONIGHT FOR THE KLAMATH BASIN AND THE FREMONT -WINEMA NATIONAL FOREST.
- A FIRE WEATHER WATCH IS IN EFFECT FROM LATE SATURDAY MORNING THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE ENTIRE WILLAMETTE VALLEY.
- A FIRE WEATHER WATCH IS IN EFFECT FROM LATE SATURDAY MORNING THROUGH SUNDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN OREGON CASCADE FOOTHILLS AND THE MT. HOOD NATIONAL FOREST WEST OF CASCADE CREST.
- A HEAT ADVISORY IS IN EFFECT FROM NOON SUNDAY UNTIL 8 PM MONDAY FOR THE GREATER PORTLAND METRO AREA, THE UPPER HOOD RIVER VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.
- THE PUBLIC HEALTH ADVISORY ISSUED FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT D RIVER BEACH IN LINCOLN COUNTY HAS BEEN LIFTED.
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR AREAS AROUND EAGLE RIDGE COUNTY PARK 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
An Upper Level Low Pressure Trough (“U” shape) that is to our Northwest is moving to the east. The graphics for days 1-3 show no frontal systems moved through or into Oregon. The graphics for days 3-7 Monday through Friday show a frontal system pushing into the Pacific Northwest between Wednesday and next Thursday.
Forecast for the South Willamette Valley including Eugene-Springfield:
- Clear tonight,
- Sunny and Hot Saturday, clear Saturday night,
- Sunny and Very Hot Sunday, mostly clear at night,
- Mostly sunny and a bit cooler Monday, then mostly clear Monday night.
- lows 52-59 highs 92-98 cooling to 90 Monday.
- Some AM clouds, mostly sunny and a bit cooler Tuesday afternoon, partly cloudy with a slight (20%) chance of showers late at night,
- Some AM clouds, mostly sunny and a bit cooler Wednesday afternoon, mostly clear at night,
- Then mostly sunny and a bit warmer Thursday and Friday, mostly clear Thursday night.
- highs 88-85 warming to 89 Friday lows 57-55. (Seasonal Averages high 86 low 52)
Forecast for the Umpqua Valley including Roseburg:
- Mostly clear tonight,
- Sunny and a bit warmer Saturday, clear Saturday night,
- Sunny and a bit warmer Sunday, mostly clear at night,
- Mostly sunny Monday, then mostly clear Monday night.
- lows 57-62 highs 92-96 cooling to 90 Monday.
- Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Patchy AM fog, sunny Wednesday, mostly clear at night,
- Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
- Then mostly sunny Friday.
- highs near 86 lows near 59. (Seasonal Averages high 87 low 58).
Forecast for the Oregon Coast including Coos Bay and North Bend:
- Becoming mostly cloudy tonight,
- Sunny and a bit warmer Saturday, mostly clear with patchy inland fog late Saturday night,
- Sunny and a bit cooler Sunday, mostly clear in the evening, partly cloudy late at night,
- Patchy AM and late night fog, then partly cloudy and a bit cooler Monday and Monday night.
- lows 54-56 highs 76-72.
- Patchy AM and late night fog, partly cloudy and a bit warmer Tuesday afternoon, partly cloudy Tuesday night,
- Patchy AM and late night fog, partly cloudy Wednesday and at night,
- Patchy AM fog, partly cloudy Thursday and Thursday night,
- Then partly cloudy and a bit warmer Friday.
- highs 73-75 lows near 56. (Seasonal Averages high 67 low 54)
Forecast for the Northern Oregon Cascades including Willamette Pass:
- Clear tonight,
- Sunny and a bit warmer Saturday, clear in the evening, partly cloudy late Saturday night,
- Mostly sunny and a bit warmer Sunday, mostly clear at night,
- Mostly sunny and a bit cooler Monday with a slight (20%) chance of afternoon showers and dry thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of evening showers and dry thunderstorms, just partly cloudy late Monday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. Saturday, 15,000 ft. Saturday night through Sunday night, snow level above 8,000 ft. Monday morning and Monday evening, then free air freezing level 15,000 ft. late Monday night.
- lows 48-58 highs 77-88 cooling to 85 Monday.
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Tuesday afternoon, just partly cloudy late Tuesday night,
- Mostly sunny and a bit cooler Wednesday, mostly clear at night,
- Mostly sunny Thursday, mostly clear Thursday night,
- Then mostly sunny and a bit warmer Friday.
- free air freezing level 15,000 ft. Tuesday morning, snow level above 8,000 ft. Tuesday afternoon, snow level above 8,000 ft. Tuesday night, then free air freezing level 14,000 ft. Wednesday through Friday.
- highs 82-76 warming to 78 Friday lows near 50.
_____
- For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com
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Mostly clear again tonight, then sunshine and slightly cooler for your Friday.
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- 7/15 Plenty of sunshine heading our way today to end the workweek.
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Forecast for the Oregon Coast including Coos Bay and North Bend:
- Becoming mostly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, clear in the evening, partly cloudy late Friday night,
- Mostly cloudy start, partly cloudy and slightly cooler Saturday afternoon, mostly clear at night,
- Mostly sunny Sunday, then mostly clear Sunday night.
- lows 54-56 cooling back to 54 Sunday night highs 70-69.
- Mostly sunny and a bit warmer Monday, mostly clear Monday night,
- Partly cloudy and slightly cooler Tuesday, partly cloudy at night,
- Then partly cloudy Wednesday through Thursday.
- highs 73-72 lows 54-56 cooling back to 54 Wednesday night. (Seasonal Averages high 66 low 54)
Forecast for the Northern Oregon Cascades including Willamette Pass:
- Mostly clear tonight,
- Mostly sunny and a bit cooler Friday, clear Friday night,
- Sunny and a bit warmer Saturday, mostly clear at night,
- Some AM clouds, mostly sunny and a bit cooler Sunday, then clear Sunday night.
- free air freezing level 15,000 ft. falling to 14,000 ft. late tonight, 14,000 ft. rising to 15,000 ft. Friday afternoon, 15,000 ft. Friday night through Sunday, then 16,000 ft. Sunday night.
- lows 49-47 highs 74-72 warming back to 74 Sunday.
- Sunny and a bit warmer Monday, clear Monday night,
- Sunny Tuesday, mostly clear at night,
- Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
- free air freezing level 16,000 ft. Monday through Thursday.
- highs 80-75 lows 53-50.