Here is my new weekly weather quiz question. What is a “Stationary Front?”
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A strong Upper Level Low Pressure Trough brings back rain chances. The graphics for days 1-3 show the cold frontal system approaching the coast Tuesday. The graphics for days 3-7 Thursday through Monday show no fronts sliding through the Pacific Northwest through the period.
ADVISORIES:
- NONE AT THIS TIME.
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 this evening, partly cloudy late tonight,
- A mix of clouds and sun with a slight (20%) chance of AM rain, mostly cloudy with showers and cooler Tuesday afternoon (under 0.10 in. of rain possible), showers Tuesday night,
- Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun and a bit warmer Wednesday afternoon, mostly clear with patchy fog at night,
- Mostly sunny and a bit warmer Thursday, then mostly clear Thursday night.
- lows 49-54 cooling to 50 Wednesday night highs 65-74.
- Mostly sunny Friday, mostly clear Friday night,
- Mostly sunny with a slight (20%) chance of rain Saturday, mostly cloudy with a (30%) chance of rain Saturday night,
- Mostly sunny and a bit warmer with a slight (20%) chance of rain Sunday (Autumnal Equinox 5:44 AM), partly cloudy with a slight (20%) chance of rain Sunday night,
- Then mostly sunny and a bit warmer Monday.
- highs 74-76 lows near 48. (seasonal averages high 78 low 48)
Your Saturday College Football Weather Forecast:
Saturday September 14th:
Ducks vs Beavers at Reser Stadium, Corvallis Game time 12:30 pm- Final score: The Ducks clobbered the Beavers 49-14.
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Forecast for the Umpqua Valley including Roseburg:
- Becoming partly cloudy with a slight (20%) chance of showers late tonight,
- Mostly cloudy with patchy dense AM fog and a slight (20%) chance of AM showers, showers and slightly cooler Tuesday afternoon (0.10 in. of rain possible), showers with patchy fog late Tuesday night (0.50 in. of rain possible),
- Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, just partly cloudy and a bit warmer Wednesday, mostly clear with patchy fog late at night,
- Some AM clouds with patchy fog, sunny and a bit warmer Thursday afternoon, then mostly clear with patchy fog Thursday night.
- lows 52-57 cooling to 52 Thursday night highs 69-77.
- Patchy AM fog, mostly sunny and a bit cooler Friday afternoon, mostly clear Friday night.
- Partly cloudy and a bit warmer Saturday, partly cloudy with a slight (20%) chance of showers at night,
- Partly cloudy with a slight (20%) chance of showers Sunday (Autumnal Equinox 5:44 AM), partly cloudy with a slight (20%) chance of showers Sunday night,
- Then partly cloudy and a bit warmer Monday.
- highs 76-79 lows 50-53. (seasonal averages high 80 low 52)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Becoming mostly cloudy with patchy coastal fog and and a (30%) chance of showers late tonight while mostly cloudy with inland patchy fog and a slight (20%) chance of showers late tonight,
- Cloudy with a good (50%) chance of AM coastal showers and coastal showers with a slight (20%) chance of thunderstorms Tuesday afternoon and evening while cloudy with a slight (20%) chance of inland AM showers with inland showers Tuesday afternoon (0.10 in. of rain possible) and inland showers Tuesday night (0.25 in. of rain possible),
- Mostly cloudy with patchy inland AM fog, a slight (20%) chance of AM showers, just partly cloudy and a bit warmer Wednesday afternoon, partly cloudy at night,
- Then partly cloudy a bit cooler Thursday, then partly cloudy Thursday night.
- lows 55-52 highs 63-67 cooling to 64 Thursday.
- Mostly sunny and a bit cooler Friday, mostly clear Friday night,
- Some AM clouds, sunny with a slight (20%) chance of showers and a bit warmer Saturday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late at night,
- Mostly cloudy with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers Sunday afternoon (Autumnal Equinox 5:44 AM) and evening, just mostly cloudy late Sunday night,
- Mostly cloudy start, then partly cloudy Monday afternoon.
- highs 64-66 lows 50-55. (seasonal average high 67 low 51)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy this evening, mostly cloudy late tonight,
- Mostly cloudy a bit warmer with a good (50%) chance of showers Tuesday afternoon (under 0.10 in. of rain possible), showers Tuesday night (0.25 in. of rain possible),
- Mostly cloudy with a (30%) chance of AM showers, mostly sunny and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, just partly cloudy at night,
- Sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy late Thursday night.
- free air freezing level 12,000 ft. tonight, snow level above 8,000 ft. Tuesday through Wednesday, free air freezing level 13,000 ft. Thursday, then 14,000 ft. Thursday night.
- lows 38-40 cooling back to 38 Wednesday night highs 49-62.
- Sunny Friday, partly cloudy Friday night,
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Saturday, partly cloudy with a (30%) chance of evening rain, mostly cloudy with a (30%) chance showers at night,
- A mix of clouds and sun with slight (20%) chance of rain and a bit warmer Sunday (Autumnal Equinox 5:44 AM), mostly cloudy with slight (20%) chance of rain Sunday night,
- Then mostly sunny and a bit warmer Monday.
- free air freezing level 14, 000 ft. Friday, 13,000 ft. Friday night, snow level above 8,000 ft. Saturday through Sunday night, then free air freezing level 15,000 ft. Monday.
- highs 62-60 warming to 65 Monday lows near 39.