Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/07/an-active-volcano-under-an-ice-sheet/
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Here is my weekly weather quiz question. What is a “Fire Wind?” The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) slides eastward past the Pacific Northwest. Surface and upper level high pressure take over for while. Toward the weekend we see increased Zonal Airflow (west to east) across Oregon. The graphics for days 1-3 show a frontal system approaching Oregon Friday. The graphics for Days 3-7 show the frontal system moving southward over weekend and a cold front sliding in next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 41 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 41 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE EAST SLOPES OF THE NORTHERN OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN OF OREGON.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH MONDAY EVENING FOR CENTRAL DOUGLAS COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY EVENING FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.
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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and warmer (Hot) today, clear tonight,
- Mostly sunny very warm but a bit cooler Friday and Saturday, mostly clear both nights.
- highs 94-90 lows 57-52 warming back to 57 Saturday night.
- Sunny and a bit warmer Sunday and Monday, clear each night,
- Sunny and a bit cooler Tuesday, mostly clear Tuesday night,
- Then mostly sunny and a bit cooler Wednesday.
- highs 96-86 lows 56-53. (seasonal averages high 82 low 51)
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Eugene-Springfield Pollen Count
Grass………. Moderate (6)
Trees………. Low (6)
Last Counted: 7/6/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Sunny and Hot today and Friday, clear tonight, partly cloudy Friday night,
- Mostly sunny but slightly cooler Saturday, then mostly clear at night.
- highs 100-96 lows 65-62.
- Sunny and a bit warmer Sunday, clear at night,
- Sunny and a bit cooler Monday and Tuesday, clear both nights,
- Then mostly sunny but just a bit cooler Wednesday.
- highs 100-92 lows 62-57. (seasonal averages high 84 low 56)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Some AM clouds, sunny and warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
- Partly cloudy and slightly cooler Friday and at night,
- Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
- highs 72-69 lows 59-55 warming to 57 Saturday night.
- Mostly sunny Sunday and Monday, mostly clear both nights,
- Mostly sunny and slightly cooler Tuesday and Wednesday, mostly clear Tuesday night.
- highs 70-68 lows 57-54. (seasonal averages high 64 low 53)
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Forecast for the Cascades in Lane County:
- Sunny and warmer today, clear tonight,
- Mostly sunny and a bit cooler Friday and Saturday, partly cloudy Friday night, then mostly clear Saturday night night.
- free air freezing level above 16,000 ft. this afternoon, above 16,000 ft. falling to 16,000 ft. late tonight, 16,000 ft. falling to 15,000 ft. Friday, 15,000 ft. Friday night and Saturday, then 15,000 ft. rising to 16,000 ft. late Saturday night.
- highs 86-80 lows 52-50 warming to 53 Saturday night.
- Sunny and a bit warmer Sunday, clear Sunday night,
- Sunny and a bit cooler Monday, clear at night,
- Sunny Tuesday, clear in the evening, partly cloudy late Tuesday night,
- Then mostly sunny and a bit cooler Wednesday.
- free air freezing level above 16,000 ft. Sunday through Monday, 16,000 ft. rising to above 16,000 ft. late Monday night, then above 16,000 ft. Tuesday through Wednesday.
- highs 84-77 lows 55-49.
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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.
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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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