Here is my weekly weather quiz question for the last time. What is the “Solar Wind?” Here is the correct answer. Solar Wind is the outward flux of solar particles and magnetic fields from the sun. Typically, solar wind velocities are near 350 km/s.
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An Upper Level High Pressure Ridge continues the warming. The graphics for days 1-3 show no frontal systems sliding through Oregon through the period until a cold front slides in between Sunday and Monday. The graphics for days 3-7 Tuesday through Saturday show no frontal systems pushing into the Pacific Northwest through next Friday with a cold front to our northwest next Saturday.
ADVISORIES:
- A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE OCHOCO, THE JOHN DAY HIGHLANDS, AND THE EAST SLOPES OF THE OREGON CASCADES.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM SUNDAY FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE GRANDE RONDE VALLEY, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT FROM 5 AM UNTIL 9 PM SUNDAY FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON.
- A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES.
- A FIRE WEATHER WATCH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING FOR LIGHTNING FOR THE BURNS BLM AND THE VALE BLM.
- A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR LIGHTNING FOR THE BAKER VALLEY.
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 cooler Sunday, mostly clear in the evening, partly cloudy late Sunday night,
- Mostly sunny and cooler Monday (Labor Day), partly cloudy at night,
- Sunny and a bit warmer Tuesday, then clear Tuesday night.
- lows 55-52 highs 87-75 warming to 84 Tuesday.
- Sunny and a bit warmer Wednesday, clear Wednesday night,
- Sunny and a bit warmer Thursday, mostly clear at night,
- Then sunny and a bit cooler Friday and Saturday, mostly clear Friday night,
- highs 92-95 cooling to 87 Saturday lows 52-56. (seasonal averages high 82 low 50)
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Your Saturday College Football Weather Forecast:
Today August 31st:
Ducks vs Idaho Vandals at Autzen Stadium, Game time 4:30 pm- Preliminary Weather Forecast: Sunny 93 degrees cooling to 75 by the end of the game.
Beavers vs Idaho State Bengals at Reser Stadium, Game time: 3:30 pm- Preliminary Weather Forecast: Sunny 92 degrees warming to 94 degrees and cooling to 75 by the end of the game.
Forecast for the Umpqua Valley including Roseburg:
- Mostly clear tonight,
- Some AM clouds, sunny and a bit cooler Sunday afternoon, mostly clear in the evening, partly cloudy Sunday night,
- Some AM clouds, sunny and cooler Monday afternoon (Labor Day), mostly clear in the evening, partly cloudy with patchy fog late at night,
- Some AM clouds, sunny and warmer Tuesday, then clear Tuesday night.
- lows 60-56 highs 89-78 warming to 87 Tuesday.
- Sunny and warmer Wednesday, mostly clear Wednesday night,
- Mostly sunny and a bit warmer Thursday, mostly clear at night,
- Then mostly sunny and a bit cooler Friday and Saturday, mostly clear Friday night,
- highs 96-97 cooling to 88 Saturday lows 60-58. (seasonal averages high 84 low 55)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy this evening and mostly cloudy with widespread coastal fog tonight while mostly cloudy with widespread inland fog tonight,
- Mostly cloudy with widespread AM coastal fog and partly cloudy Sunday afternoon while mostly cloudy with inland areas of fog and partly cloudy Sunday afternoon, mostly cloudy Sunday night,
- Mostly cloudy with patchy AM inland fog, partly cloudy and a bit warmer Monday afternoon (Labor Day), partly cloudy at night with patchy coastal fog late Monday night,
- Mostly sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
- lows 54-56 highs 63-70.
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Mostly sunny and a bit cooler Thursday, partly cloudy at night,
- Partly cloudy and a bit cooler Friday, partly cloudy Friday night,
- Then partly cloudy Saturday.
- highs 75-67 lows 56-54. (seasonal average high 68 low 53)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly clear tonight,
- Sunny and a bit cooler Sunday, mostly clear Sunday night,
- Sunny and cooler Monday (Labor Day), partly cloudy at night,
- Sunny and a bit warmer Tuesday, then mostly clear Tuesday night.
- free air freezing level 15,000 ft. tonight and Sunday, 14,000 ft. Sunday night, 13,000 ft. Monday, 12,000 ft. rising to 13,000 ft. Monday night, 14,000 ft. Tuesday, then 16,000 ft. Tuesday night.
- lows 54-43 warming to 49 Tuesday night highs 82-68 warming to 72 Tuesday.
- Sunny and warmer Wednesday, mostly clear Wednesday night,
- Sunny and a bit cooler Thursday, partly cloudy at night,
- Then mostly sunny and a bit cooler Friday and Saturday, partly cloudy Friday night.
- free air freezing level 16,000 ft. Wednesday and Wednesday night, 15,000 ft. Thursday and Thursday night, 14,000 ft. Friday, 15,000 ft. Friday night, then 16,000 ft. Saturday.
- highs 82-84 cooling to 75 Saturday lows 52-50.