Jul
17.
Here is my new weekly weather quiz question. “What is the “Showalter Index?”
____________
Upper Level High Pressure over the 4 corners area is moving away from us but still producing sunshine with high temperatures in the 90s. The graphics for days 1-3 show a frontal system sliding into Oregon Friday. The graphics for days 3-7 Friday through Tuesday show a cold frontal system slowly pushing through the Pacific Northwest Saturday with another cold front sliding in Tuesday.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 37 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 19 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR ABUNDANT LIGHTNING FOR THE LOWER COLUMBIA BASIN OF OREGON.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM NOON MDT THURSDAY UNTIL NOON MDT SATURDAY FOR THE OREGON LOWER TREASURE VALLEY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE EASTERN COLUMBIA GORGE OF OREGON, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON AND NORTH CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR THE LOWER COLUMBIA BASIN OF OREGON.
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.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly clear tonight,
- Sunny and a bit warmer Thursday, mostly clear Thursday night,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit warmer Saturday, clear in the evening, then partly cloudy Saturday night.
- lows 52-57 highs 88-94.
- Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
- Mostly sunny Monday, clear at night,
- Sunny Tuesday, clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 87-89 lows 53-50 (seasonal averages high 85 low 52)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: LOW (5)
WEEDS: ABSENT (0)
Measured 7.16.24
Data courtesy of Oregon Allergy Associates.
________________
Forecast for the Umpqua Valley including Roseburg:
- Mostly clear with patchy fog late tonight,
- Patchy AM fog, sunny and a bit warmer Thursday afternoon, mostly clear with patchy fog late Thursday night,
- Areas of AM fog, sunny and a bit warmer Friday afternoon, clear with patchy fog at night,
- Sunny and a bit warmer Saturday, then mostly clear with a slight (20%) chance of evening thunderstorms, then partly cloudy with a slight (20%) chance of thunderstorms late Saturday night.
- lows 57-62 highs 92-93.
- Mostly cloudy with a slight (20%) chance of AM thunderstorms, sunny and a bit cooler Sunday afternoon, mostly clear Sunday night,
- Mostly sunny Monday, clear at night,
- Sunny and a bit cooler Tuesday, clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 86-92 lows 58-56 (seasonal averages high 85 low 52)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this evening at the shore and becoming mostly cloudy with patchy coastal fog late tonight while partly cloudy with patchy inland evening fog and mostly cloudy with patchy inland fog late tonight,
- Mostly cloudy with patchy AM fog, sunny and a bit warmer Thursday afternoon, mostly clear with patchy dense evening fog, partly cloudy with patchy fog late Thursday night,
- Some AM clouds with areas of fog, sunny Friday afternoon, mostly clear with patchy evening fog, mostly cloudy with patchy fog at night,
- AM clouds with patchy AM fog, sunny and a bit cooler Saturday afternoon, then mostly cloudy with a slight (20%) chance of thunderstorms Saturday night.
- lows 53-55 highs 74-72.
- Mostly cloudy with a slight (20%) chance of AM thunderstorms, partly cloudy and a bit cooler Sunday, partly cloudy in the evening, mostly cloudy with patchy fog late Sunday night,
- Mostly sunny and a bit warmer Monday, mostly clear at night,
- Mostly sunny Tuesday, mostly clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 70-73 lows 53-50. (seasonal average high 66 low 54)
__________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Clear tonight,
- Sunny and a bit cooler Thursday, mostly clear Thursday night,
- Sunny Friday, clear at night,
- Sunny and a bit warmer Saturday, mostly clear in the evening, then partly cloudy late Saturday night.
- free air freezing level 15,000 ft. tonight, 15,000 ft. rising to 16,000 ft. Thursday afternoon, 15,000 ft. Thursday night, 15,000 ft. rising to 16,000 ft. Friday afternoon, then 16,000 ft. Saturday and Saturday night.
- lows 50-54 highs 82-90.
- Sunny and a bit cooler Sunday, mostly clear Sunday night,
- Sunny and a bit cooler Monday, mostly clear at night,
- Sunny Tuesday, clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- free air freezing level 16,000 ft. Sunday and Sunday night, above 16,000 ft. Monday and Monday night, then 16,000 ft. Tuesday through Wednesday.
- highs 90-80 lows 54-49.
For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com