Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/07/coffee-tea-or-me-or-cancer/
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Here is my weekly weather quiz question. What is a “Flash Flood?” 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 in to cool us down slowly. The graphics for days 1-3 show a weak front slipping in between Wednesday and Thursday. The graphics for days 3-7 show no major frontal systems heading our way Saturday through next Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 27 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 30 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 25 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM TODAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE NORTHERN OREGON CASCADES AND THE CENTRAL, THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FROM 10 AM UNTIL 9 PM THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE NORTHERN OREGON CASCADES AND THE CENTRAL, THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE CENTRAL MOUNTAINS OF OREGON, AND THE LOWER COLUMBIA BASIN OF OREGON.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 11:30 AM FOR JACKSON COUNTY. WILDFIRE SMOKE AND AND OZONE POLLUTION WILL COMBINE TO CAUSE AIR QUALITY TO FLUCTUATE TO UNHEALTHY FOR SENSITIVE GROUPS. LIMIT OUTDOOR ACTIVITIES, ESPECIALLY DURING THE HOTTEST TIME OF THE DAY AND KEEP CHILDREN INDOORS IF IT IS SMOKY.
HEALTH ADVISORIES:
- A RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR ALL OF LAKE BILLY CHINOOK. THE LAKE IS LOCATED ABOUT 12 MILES WEST OF MADRAS, OREGON. WATER MONITORING HAS CONFIRMED THE PRESENCE OF CYANOBACTERIA AND THE TOXINS THEY PRODUCE IN THE METOLIUS, DESCHUTES, AND CROCKED RIVER ARMS OF LAKE BILLY CHINOOK. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE.
- 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:
- Clear tonight,
- AM clouds, sunny and a bit cooler Thursday afternoon, clear Thursday night,
- Partly cloudy in the AM, mostly sunny and slightly cooler Friday afternoon, partly cloudy at night,
- Mostly sunny and a bit warmer Saturday, clear Saturday night.
- lows 52-47 warming back to 52 Saturday night highs 83-85.
- Sunny and a bit warmer Sunday, clear Sunday night,
- and a bit warmer Monday, partly cloudy Monday evening, clear late at night,
- Mostly sunny and slightly cooler Tuesday, clear Tuesday night,
- Then sunny and a bit cooler Wednesday.
- highs 93-95 cooling to 92 Wednesday lows 54-57. (seasonal averages high 84 low 52)
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Eugene-Springfield Pollen Count
Grass………. Moderate (19)
Trees………. Low (2)
Last Counted: 7/17/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Clear with areas of smoke tonight,
- Some AM clouds with smoke, mostly sunny and a bit cooler with areas of smoke Thursday afternoon, areas of evening smoke, clear late at night,
- Sunny Friday, mostly clear Friday night,
- Mostly sunny and a bit warmer Saturday,mostly clear at night.
- lows 59-56 highs 87-89.
- Mostly sunny Sunday, clear at night,
- Mostly sunny and slightly warmer Monday, mostly clear Monday night,
- Sunny Tuesday, and Wednesday, mostly clear Tuesday night.
- highs 89-94 cooling to 92 Wednesday lows near 59. (seasonal averages high 85 low 57)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Clear this evening, mostly cloudy late tonight and Thursday AM, sunny and a bit cooler in the afternoon, clear in the evening, partly cloudy late Thursday night,
- Sunny and slightly warmer Friday, mostly clear at night,
- AM sun, partly cloudy and slightly cooler Saturday, then mostly clear Saturday night.
- lows 55-53 warming back to 55 Saturday night highs 66-68.
- Mostly sunny Sunday, mostly clear Sunday night,
- Mostly sunny and a bit warmer Monday, mostly clear at night,
- Some AM clouds, sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
- Then mostly sunny and slightly warmer Wednesday.
- highs 68-73 lows near 54. (seasonal averages high 65 low 53)
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Forecast for the Cascades in Lane County:
- Mostly clear tonight,
- Mostly sunny and a bit cooler Thursday, clear at night,
- Sunny Friday, mostly clear Friday night,
- Mostly sunny Saturday, clear at night.
- free air freezing level 15,000 ft. tonight and Thursday, 16,000 ft. Thursday night, then 15,000 ft. Friday through Saturday night.
- lows 47-52 highs near 75.
- Sunny and a bit warmer Sunday, clear at night,
- Mostly sunny and a bit warmer Monday, partly cloudy in the evening, clear late Monday night,
- Mostly sunny Tuesday, mostly clear at night,
- Then sunny Wednesday.
- free air freezing level 15,000 ft. Sunday through Monday night, 15,000 ft. rising to 16,000 ft. Tuesday, then 16,000 ft. Tuesday night and Wednesday.
- highs 78-82 lows 52-55.
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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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