Here is my weekly weather quiz question. What is a “Squall?”
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A strong Upper Level Low Pressure Trough gives us onshore flow and rain for a while. The graphics for days 1-3 show a cold frontal system approaching the coast Saturday. The graphics for days 3-7 Sunday through Thursday show a cold front sliding through the Pacific Northwest Sunday and another front moves in next Wednesday with yet another front following behind it.
ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT FOR WILDFIRE SMOKE UNTIL 3 PM FRIDAY FOR DESCHUTES, GRANT, AND WHEELER COUNTIES.
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:
- Partly cloudy with patchy fog late tonight,
- Patchy AM fog, mostly sunny and a bit warmer Friday, mostly cloudy with patchy fog late Friday night,
- Patchy AM and late night fog, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Saturday afternoon, mostly cloudy with a good (50%) chance of showers at night,
- Patchy AM and late night fog, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Sunday, then partly cloudy with a slight (20%) chance of showers Sunday night.
- lows 49-52 cooling to 47 Sunday night highs 77-70.
- Patchy AM fog, mostly sunny and a bit warmer Monday, partly cloudy with a a good (50%) chance of evening rain, mostly cloudy with a good (50%) chance of rain Monday night,
- Mostly cloudy and a bit cooler with rain Tuesday, rain at night,
- Mostly cloudy showers likely (70%) and a bit warmer Wednesday, mostly cloudy with a (30%) chance of evening showers, patchy fog with a (30%) chance of showers late Wednesday night,
- Patchy AM fog, then mostly sunny and a bit warmer Thursday.
- highs 73-67 warming back to 73 Thursday lows 49-53 cooling back to 49 Wednesday night. (seasonal averages high 79 low 48)
Your Saturday College Football Weather Forecast:
Saturday September 14th:
Ducks vs Beavers at Reser Stadium, Corvallis Game time 12:30 pm- Preliminary Weather forecast: Partly cloudy 65 degrees warming to 73 degrees by the end of the game, a slight chance of AM rain then a (40%) chance of rain in the afternoon.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
- Partly cloudy Saturday, partly cloudy with a slight (20%) of evening rain, mostly cloudy with a slight (20%) chance of rain late at night,
- Mostly cloudy and cooler with a good (50%) chance of showers and a bit cooler Sunday, mostly cloudy with a (40%) chance of evening showers, then partly cloudy with a (30%) chance of showers late Sunday night.
- lows 53-56 cooling to 52 Sunday night highs 78-70. .
- Partly cloudy and a bit warmer with a slight (20%) chance of showers Monday, a slight (20%) chance of showers Monday night,
- Mostly cloudy with a (%) chance of AM showers, rain likely (70%) and a bit cooler Tuesday afternoon, evening rain, rain likely (70%) late at night,
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Wednesday night,
- Then partly cloudy and a bit warmer Thursday.
- highs 74-68 warming back to 74 Thursday lows 52-56 cooling to back to 52 Wednesday night. (seasonal averages high 81 low 53)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Friday afternoon, partly cloudy in the evening, mostly cloudy late Friday night,
- Mostly cloudy with a slight (20%) chance of coastal showers Saturday afternoon, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late at night,
- Mostly cloudy and a bit cooler with a (40%) chance of showers Sunday, partly cloudy with a slight (20%) chance of evening showers, just then partly cloudy late Sunday night.
- lows 50-54 cooling to 52 Sunday night highs 72-69.
- Partly cloudy and a bit warmer Monday and in the evening, mostly cloudy late Monday night,
- Mostly cloudy with a good (50%) chance of AM showers, rain and a bit cooler Tuesday, rain likely (70%) at night,
- Mostly cloudy with a good (50%) chance of AM rain, a bit warmer with a good (50%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Wednesday night,
- Then partly cloudy and a bit warmer Thursday.
- highs 72-69 warming to 72 Thursday lows 53-55 cooling to 52 Wednesday night . (seasonal average high 67 low 52)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy this evening, becoming mostly clear late tonight,
- Sunny and warmer Friday, partly cloudy in the evening, mostly cloudy late Friday night,
- A mix of clouds and sun and a bit cooler with a good (50%) chance of showers Saturday afternoon, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy and cooler with showers likely (70%) Sunday, then mostly cloudy with a good (50%) chance of showers Sunday night.
- free air freezing level 12,000 ft. rising to 13,000 ft. tonight, 13,000 ft. Friday and Friday night, snow level above 8,000 ft. Saturday through Sunday, then 7,500 ft. Sunday night.
- lows 36-42 cooling to 40 Saturday night highs 53-64 cooling to 60 Saturday.
- A mix of clouds and sun and a bit warmer with slight (20%) chance of showers Monday, mostly cloudy with a good (50%) chance of showers Monday night,
- Mostly cloudy and a bit cooler with rain Tuesday, rain at night,
- Mostly cloudy and a bit warmer with showers likely (70%) Wednesday, a (40%) chance of showers Wednesday night,
- Them mostly sunny and a bit warmer with a slight (20%) chance of showers Thursday.
- snow level above 8,000 ft. Monday and Monday night, above 8,000 ft. Tuesday and Tuesday night, 8,000 ft. Wednesday and Wednesday night, then above 8,000 ft. Thursday.
- highs 53-49 warming to 52 Wednesday lows near 37.