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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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Another upper level high pressure ridge (the shaded “Arch” shape) is now moving toward the Pacific Northwest and will dry us out for a while as that trough of low pressure (Shaded “U” shape) moves away from us.

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Advisories: A FROST ADVISORY IS IN EFFECT FROM 1 AM UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with patchy fog late tonight, cloudy with patchy fog and freezing fog Saturday AM, a mix of clouds and sun in the afternoon, mostly cloudy with a slight (20%) chance of patchy evening drizzle then patchy fog late Saturday night and Sunday AM, a mix of clouds and sun in the afternoon, partly cloudy with patchy fog late at night and Monday AM, partly cloudy in the afternoon, then partly cloudy with a slight (20%) chance of rain Monday night lows 30-35 cooling to near 32 Monday night highs 48-44. A mix of clouds and sun Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday, mostly cloudy Wednesday night, then a mix of clouds and sun Thursday and Friday with partly cloudy skies at night highs 45-50 lows near 33. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, mostly cloudy with patchy fog late tonight and Saturday AM, mostly cloudy in the afternoon, patchy fog Saturday night, mostly cloudy with patchy fog Sunday AM, partly cloudy in the afternoon, partly cloudy with areas of AM fog late Sunday night, partly cloudy in the afternoon Sunday, then partly cloudy with patchy fog late Sunday night, mostly cloudy with areas of fog Monday AM, partly cloudy in the afternoon, then mostly cloudy with areas of fog Monday night lows 33-39 highs near 50. Mostly cloudy with areas of fog Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday, just mostly cloudy Wednesday night, then partly cloudy Thursday through Friday highs 52-56 lows 38-33. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, partly cloudy tonight, patchy coastal fog and a slight (20%) chance of drizzle late at night and Saturday AM, mostly cloudy with a slight (20%) chance of areas of drizzle in the afternoon, mostly cloudy with a slight (20%) chance of areas of evening coastal drizzle, patchy fog and a slight (20%) chance of drizzle late Saturday night, mostly cloudy with patchy AM coastal fog, partly cloudy Sunday afternoon, partly cloudy with patchy coastal fog Sunday night and Monday AM, patchy drizzle in the afternoon and evening, then areas of fog late Monday night lows 37-43 cooling to near 37 Monday night highs near 50. Patchy AM fog, mostly cloudy Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday, just mostly cloudy at night, then partly cloudy Thursday through Friday highs 52-55 lows 42-36. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Mostly clear tonight, a mix of clouds and sun Saturday, then partly cloudy Saturday night through Monday night free air freezing level at the surface tonight and Saturday, 4,500 ft. Saturday night, 5,500 ft. Sunday, then 6,500 ft. Sunday night lows 17-25 highs 32-42. Partly cloudy Tuesday, mostly cloudy with a slight (20%) chance of rain and snow Tuesday night and Wednesday, mostly cloudy Wednesday night, then a mix of clouds and sun Thursday and Friday with partly cloudy skies Thursday night free air freezing 6,000 ft. Tuesday, snow level 5,500 ft. Tuesday night, 4,500 ft. Wednesday, then free air freezing level 5,500 ft. Wednesday night, 5,000 ft. Thursday and Thursday night, then 4,500 ft. Friday highs near 40 lows near 25.

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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) has moved away from us as an upper level trough of low pressure (shaded “U” shape) is now moving through the Pacific Northwest. A frontal system scooted across Oregon and behind it surface high pressure (Blue “H” offshore and another over Nevada) will give us a bright and dry weekend.

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Advisories: NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with patchy AM fog, partly cloudy this afternoon, partly cloudy with patchy fog late tonight, cloudy with patchy fog and freezing fog Saturday AM, cloudy in the afternoon, mostly cloudy with patchy evening drizzle then patchy fog late Saturday night and Sunday AM, a mix of clouds and sun in the afternoon, then partly cloudy with patchy fog late Sunday night highs near 45 lows 30-34 cooling to near 30 Sunday night. Partly cloudy Monday and Monday night, a mix of clouds and sun Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night through Wednesday night, then a mix of clouds and sun with a slight (20%) chance of rain Thursday highs 44-49 lows near 33. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with  patchy AM fog, mostly sunny this afternoon, mostly clear in the evening, mostly cloudy with patchy fog late tonight and Saturday AM, mostly cloudy with a slight (20%) chance of rain Saturday night (under 0.10 in. of rain possible), mostly cloudy with patchy fog Sunday AM, partly cloudy in the afternoon, partly cloudy with areas of AM fog, partly cloudy in the afternoon Sunday, then partly cloudy with patchy fog late Sunday night highs 48-44 warming to 50 Sunday lows near 35. Partly cloudy with areas of fog Monday and  Monday night, areas of AM fog, mostly cloudy Tuesday, a slight (20%) chance of rain with patchy fog late Tuesday night, mostly cloudy with a slight (20%) chance of rain Wednesday and Wednesday night, then partly cloudy with a slight (20%) chance of rain Thursday highs 50-54 lows 36-39. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy in the AM, mostly sunny this afternoon, mostly clear this evening, mostly cloudy tonight, patchy coastal fog late at night and Saturday AM, cloudy with a slight (20%) chance of rain in the afternoon (under 0.10 in. of rain possible, AM snow level 2,000 ft.), mostly cloudy with a slight (20%) chance of rain Saturday night (under 0.10 in. of rain possible), mostly cloudy with patchy AM fog, then partly cloudy Sunday afternoon and Sunday night highs near 48 lows 38-42 cooling to 37 Sunday night. Partly cloudy Monday through Tuesday AM, mostly cloudy Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night through Wednesday night, then partly cloudy with a slight (20%) chance of rain Thursday highs 50-53 lows near 40. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Partly cloudy today, mostly clear tonight, a mix of clouds and sun Saturday, partly cloudy Saturday night through Sunday night free air freezing level at the surface today through Saturday, 4,500 ft. Saturday night, 5,500 ft. Sunday, then 6,500 ft. Sunday night highs 30-42 lows 18-24. Partly cloudy Monday through Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night, then a slight (20%) chance of rain and snow Wednesday through Thursday free air freezing 6,000 ft. Monday, 6,500 ft. Monday night, 6,000 ft. Tuesday, snow level 5,500 ft. Tuesday night, 5,000 ft. Wednesday, then 4,500 ft. Wednesday night and Thursday highs 43-40 lows near 25.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) has moved away from us as low pressure (shaded “U” shape) is now moving through the Pacific Northwest. A frontal system scooted across Oregon and behind it surface high pressure (Blue “H” offshore and another over Nevada) will give us a bright and dry weekend.

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Advisories:

A FROST ADVISORY IS IN EFFECT UNTIL 9 AM FRIDAY FOR THE SOUTH CENTRAL OREGON COAST AND THE SOUTH OREGON COAST.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a good (50%) chance of showers this evening, becoming partly cloudy late tonight (under 0.10 in. of rain possible), cloudy with patchy AM fog, a mix of clouds and sun Friday afternoon, partly cloudy with patchy fog late Friday night, mostly cloudy with patchy fog Saturday AM, mostly cloudy in the afternoon, mostly cloudy with patchy fog Saturday night and Sunday AM, a mix of clouds and sun in the afternoon, then partly cloudy with patchy fog late Sunday night lows near 32 highs 45-43. Partly cloudy Monday and Monday night, a mix of clouds and sun Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night through Wednesday night, then a mix of clouds and sun with a slight (20%) chance of rain Thursday highs 44-49 lows near 33. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Cloudy with rain and snow showers this evening, a slight (20%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 2,000 ft. this evening), mostly cloudy with  patchy AM fog, mostly sunny Friday afternoon, mostly clear in the evening, mostly cloudy with patchy fog Friday night and Saturday AM, partly cloudy in the evening, mostly cloudy late Saturday night, mostly cloudy with Sunday AM, partly cloudy in the afternoon, partly cloudy with areas of AM fog, partly cloudy in the afternoon Sunday, then partly cloudy with patchy fog late Sunday night lows 33-36 highs 48-44 warming to 50 Sunday. Partly cloudy with areas of fog Monday and  Monday night, areas of AM fog, mostly cloudy Tuesday, a slight (20%) chance of rain with patchy fog late Tuesday night, mostly cloudy with a slight (20%) chance of rain Wednesday and Wednesday night, then partly cloudy with a slight (20%) chance of rain Thursday highs 50-54 lows 36-39. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with isolated coastal thunderstorms this evening, showers this evening and a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible, early evening small hail possible, snow level 2,000 ft.), mostly cloudy in the AM, mostly sunny Friday afternoon, mostly clear in the evening, mostly cloudy at night, patchy coastal fog late at night and Saturday AM, cloudy with a slight (20%) chance of patchy coastal drizzle in the afternoon (under 0.10 in. of rain possible), mostly cloudy with patchy coastal drizzle in the evening, partly cloudy Saturday night (under 0.10 in. of rain possible), then partly cloudy Sunday and Sunday night lows 35-42 cooling to 37 Sunday night highs near 48. Partly cloudy Monday through Tuesday AM, mostly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night through Wednesday night, then partly cloudy with a slight (20%) chance of rain Thursday highs 50-53 lows near 40. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Cloudy with a good (50%) chance of snow showers this evening, partly cloudy with a slight (20%) chance of snow showers late tonight (1 in. of snow possible), partly cloudy in the AM, mostly sunny Friday afternoon and Saturday with partly cloudy nights, then partly cloudy Sunday and Sunday night snow level at the surface tonight, free air freezing level at the surface Saturday, then 4,500 ft. Saturday night lows 18-24 highs 30-42. Partly cloudy Sunday and Sunday night, partly cloudy Monday through Tuesday, mostly cloudy with a slight (20%) chance of rain  Tuesday night, then a slight (20%) chance of rain and snow Wednesday through Thursday free air freezing 5,500 ft. Monday, 6,500 ft. Monday night, 6,000 ft. Tuesday, snow level 5,500 ft. Tuesday night, 5,000 ft. Wednesday, then 4,500 ft. Wednesday night and Thursday highs 43-40 lows near 25.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) has moved away from us as low pressure (shaded “U” shape) is now moving through the Pacific Northwest. A frontal system scooted across Oregon and behind it surface high pressure (Blue “H” offshore and another over Nevada) will give us a bright and dry weekend.

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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers today (0.10 in. of rain possible, small hail possible), cloudy with a good (50%) chance of showers this evening, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible), cloudy with patchy AM fog, a mix of clouds and sun Friday afternoon, then just mostly cloudy Friday night, mostly cloudy with patchy fog and a slight (20%) chance of showers Saturday AM, mostly cloudy in the afternoon, mostly cloudy with patchy fog Saturday night highs 47-44 lows 38-32. A mix of clouds and sun Sunday, partly cloudy with patchy fog Sunday night, partly cloudy Monday and Monday night, a mix of clouds and sun Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday highs 44-49 lows 32-35. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with rain and snow showers today (0.10 in. of rain possible, 1 in. of snow possible, snow level 2,500 ft. falling to 2,000 ft.), cloudy with evening rain and snow showers, a slight (20%) chance of rain and snow showers late tonight (under 0.10 in. of rain possible, snow level 2,500 ft. falling to 1,500 ft.), partly cloudy Friday and Friday evening, mostly cloudy Friday night, mostly cloudy with patchy fog and a slight (20%) chance of showers Saturday AM, partly cloudy in the evening, then mostly cloudy with patchy fog late Saturday night highs 44-50 lows 39-32 warming to 35 Saturday night. Partly cloudy with areas of AM and late night fog with lingering fog in the afternoons Sunday through Monday night, areas of AM fog, mostly cloudy Tuesday, a slight (20%) chance of rain with patchy fog Tuesday night, then mostly cloudy with a slight (20%) chance of rain Wednesday highs 50-54 lows 32-36. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with showers and a slight (20%) chance of coastal thunderstorms today and showers likely (60%) inland (0.35 in. of rain possible, snow level 2,000 ft.), showers and a slight (20%) chance of coastal thunderstorms this evening and a slight (20%) chance of showers late tonight while evening showers inland and a slight (20%) chance of rain and snow showers late (0.15 in. of rain possible, small hail possible, snow level 2,000 ft. late), mostly sunny Friday afternoon, partly cloudy Friday evening, mostly cloudy at night, patchy AM fog, mostly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy Saturday night highs 46-50 lows 42-35 warming to 43 Saturday night. Partly cloudy Sunday through Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday highs 52-54 lows 37-40. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Mostly cloudy with snow showers today (2 in. of snow possible), evening snow showers likely (70%), a slight (20%) chance of showers late tonight (1 in. of snow possible), partly cloudy in the AM, mostly sunny Friday afternoon, partly cloudy Friday night, a mix of clouds and sun Saturday, then partly cloudy Saturday night snow level at the surface today and tonight, free air freezing level at the surface Saturday, then 4,500 ft. Saturday night highs near 33 lows 26-17 warming to 22 Saturday night. Partly cloudy Sunday and Sunday night, mostly sunny Monday, partly cloudy Monday night and Tuesday, then mostly cloudy with a slight (20%) chance of rain and snow showers Tuesday night and Wednesday snow level at the surface Friday, free air freezing 5,500 ft. Sunday, 6,500 ft. Sunday night, 5,500 ft. Monday, 6,500 ft. Monday night, 6,000 ft. Tuesday, snow level 5,500 ft. Tuesday night, then 5,000 ft. Wednesday highs 40-43 cooling to 40 Wednesday lows 22-26.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

________________

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high pressure ridge (the shaded “Arch” shape) has weakened. Low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending another frontal system our way. Surface high pressure (Blue “H” offshore) will give us a bright and dry weekend.

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Advisories: A WINTER WEATHER ADVISORY IS IN EFFECT FROM 1 AM UNTIL 10 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON CASCADES AND THE SISKIOUS MOUNTAINS, AND FROM 1 AM UNTIL 4 PM THURSDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain chance increasing to near 100% by late this evening (0.25 in. of rain possible), showers Thursday (0.10 in. of rain possible), cloudy with a good (50%) chance of showers in the evening, a slight (20%) chance of showers late Thursday night (under 0.10 in. of rain possible), cloudy with patchy AM fog, a mix of clouds and sun Friday afternoon, then just mostly cloudy Friday night, mostly cloudy with patchy fog and a slight (20%) chance of showers Saturday AM, mostly cloudy in the afternoon, mostly cloudy with patchy fog Saturday night lows 38-32 highs 47-44. A mix of clouds and sun Sunday, partly cloudy with patchy fog Sunday night, partly cloudy Monday and Monday night, a mix of clouds and sun Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday highs 44-49 lows 32-35. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a (40%) chance of rain this evening, rain late tonight (0.15 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), rain and snow showers Thursday (0.10 in. of rain possible, 1-2 in. of snow possible, snow level 2,500 ft. falling to 2,000 ft.), cloudy with evening rain and snow showers, a slight (20%) chance of rain and snow showers late Thursday night (under 0.10 in. of rain possible, 1 in. of snow possible, snow level 2,500 ft. falling to 1,500 ft.), partly cloudy Friday and Friday  evening, mostly cloudy Friday night, mostly cloudy with patchy fog and a slight (20%) chance of showers Saturday AM, partly cloudy in the evening, then mostly cloudy with patchy fog late Saturday night lows 39-32 warming to 35 Saturday night highs 44-50. Partly cloudy with areas of AM and late night fog with lingering fog in the afternoons Sunday through Monday night, areas of AM fog, mostly cloudy Tuesday, a slight (20%) chance of rain with patchy fog Tuesday night, then mostly cloudy with a slight (20%) chance of rain Wednesday highs 50-54 lows 32-36. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with rain tonight (0.60 in. of rain possible) and breezy (wind: SW 15-25 mph gusts to 40 mph this evening), showers and a slight (20%) chance of coastal thunderstorms Thursday and showers likely (60%) inland (0.35 in. of rain possible, snow level 2,000 ft.), showers and a slight (20%) chance of coastal thunderstorms in the evening and a slight (20%) chance of showers late Thursday night while evening showers inland and a slight (20%) chance of rain and snow showers late (0.15 in. of rain possible, small hail possible, snow level 2,000 ft. late), partly cloudy Friday and Friday evening, mostly cloudy at night, patchy AM fog, mostly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy Saturday night lows 42-35 warming to 43 Saturday night highs 46-50. Partly cloudy Sunday through Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night and Wednesday highs 52-54 lows 37-40. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Partly cloudy with a (40%) chance of evening rain and snow, rain and snow late tonight (0.25 in. of rain possible, 1-3 in. of snow possible), snow showers Thursday (2 in. of snow possible), evening snow showers likely (70%), a slight (20%) chance of showers late Thursday night (1 in. of snow possible), partly cloudy in the AM, mostly sunny Friday afternoon, partly cloudy Friday night, a mix of clouds and sun Saturday, then partly cloudy Saturday night snow level 3,000 ft. tonight, at the surface Thursday and Thursday night, free air freezing level at the surface Saturday, then 4,500 ft. Saturday night lows 26-17 warming to 22 Saturday night highs near 33. Partly cloudy Sunday and Sunday night, mostly sunny Monday, partly cloudy Monday night and Tuesday, then mostly cloudy with a slight (20%) chance of rain and snow showers Tuesday night and Wednesday snow level at the surface Friday, free air freezing 5,500 ft. Sunday, 6,500 ft. Sunday night, 5,500 ft. Monday, 6,500 ft. Monday night, 6,000 ft. Tuesday, snow level 5,500 ft. Tuesday night, then 5,000 ft. Wednesday highs 40-43 cooling to 40 Wednesday lows 22-26.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

________________

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) has weakened allowing a frontal system to move through returning the rain chances. Low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending another storm our way. Surface high pressure (Blue “H” offshore) will give us a bright and dry weekend, the first part anyway.

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Advisories:  A HIGH SURF ADVISORY IS IN EFFECT UNTIL 11 AM TODAY FOR THE NORTH, CENTRAL, SOUTH CENTRAL, AND SOUTH OREGON COAST.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with a good (50%) chance of rain today with possible short sun breaks (under 0.10 in. of rain possible), rain tonight (0.25 in. of rain possible), AM rain, showers likely (60%) Thursday afternoon (0.15 in. of rain possible), showers likely (60%) in the evening, mostly cloudy with a good (50%) chance of showers late Thursday night (under 0.10 in. of rain possible), cloudy with patchy AM fog, a mix of clouds and sun Friday afternoon, then partly cloudy with patchy fog late Friday night highs 49-42 lows 38-30. AM fog, partly cloudy Saturday, mostly cloudy with patchy fog Saturday night, a mix of clouds and sun Sunday, then partly cloudy Sunday night through Tuesday highs 44-46 lows near 32. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of rain this afternoon (under 0.10 in. of rain possible), cloudy with a (40%) chance of rain in the evening, rain late tonight (0.15 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), rain and snow showers Thursday (0.10 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft.), evening rain and snow showers, a good (50%) chance of rain and snow showers late Thursday night (under 0.10 in. of rain possible, snow level 3,000 ft. falling to 2,000 ft.), mostly cloudy Friday AM, partly cloudy in the afternoon,  mostly clear in the evening, then partly cloudy with patchy fog late Friday night highs 52-45 lows 39-32. Areas of AM fog, partly cloudy with areas of fog in the afternoon and back to patchy fog late at night Saturday through Tuesday highs 47-53 lows near 33. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of rain this afternoon (under 0.10 in. of rain possible), rain tonight (0.50 in. of rain possible) and windy (wind: S 10-20 mph increasing to SW 20-30 mph), showers and a slight (20%) chance of thunderstorms Thursday (0.35 in. of rain possible, snow level 2,000 ft.), showers and a slight (20%) chance of thunderstorms in the evening, a good (50%) chance of showers late Thursday night (0.15 in. of rain possible, snow level 2,000 ft. late), mostly cloudy Friday AM, partly cloudy in the afternoon, then partly cloudy Friday night highs 50-46 lows 43-34. Partly cloudy Saturday through Tuesday highs 49-52 lows 42-38. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: A mix of clouds and sun with a (30%) chance of rain and snow showers this AM, a slight (20%) chance of rain and snow this afternoon (under 0.10 in. of rain possible), cloudy with a (40%) chance of evening rain and snow, rain and snow late tonight (0.50 in. of rain possible, 1-3 in. of snow possible), AM rain and snow showers, afternoon snow showers likely (60%) Thursday, evening snow showers, a good (50%) chance of showers late Thursday night, a mix of clouds and sun Friday, then partly cloudy Friday night snow level 3,000 ft. today, 3,500 ft. tonight, at the surface Thursday and Thursday night, then free air freezing level Friday and 3,500 ft. Friday night highs 36-29 lows 26-18. Partly cloudy Saturday through Sunday night, then mostly sunny Monday and Tuesday with partly cloudy skies Monday night snow level at the surface Friday, free air freezing level at the surface Saturday, 4,500 ft. Saturday night, 5,500 ft. Sunday, 7,500 ft. Sunday night, 7,000 ft. Monday and Monday night, then 6,000 ft. Tuesday highs 35-42 lows 22-26.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

________________

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Here is my weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high pressure ridge (the shaded “Arch” shape) is flattening (weakening)  allowing a frontal system to move through returning the rain chances. That’s when low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending another storm our way. Surface high pressure (Blue “H” offshore) will give us a bright and dry weekend, the first part anyway.

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Advisories:  A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 AM WEDNESDAY ABOVE 4,000 FT. FOR THE NORTH OREGON CASCADES, NOT INCLUDING THE CASCADES OF LANE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with showers tonight (0.10 in. of rain possible), cloudy with a good (50%) chance of rain Wednesday (under 0.10 in. of rain possible), rain Wednesday night (0.25 in. of rain possible), AM rain, showers likely (60%) Thursday afternoon (0.15 in. of rain possible), showers likely (60%) in the evening, mostly cloudy with a good (50%) chance of showers late Thursday night (under 0.10 in. of rain possible), cloudy with patchy AM fog, a mix of clouds and sun Friday afternoon, then partly cloudy with patchy fog late Friday night lows 38-30 highs 44-47. AM fog, partly cloudy Saturday, mostly cloudy with patchy fog Saturday night, a mix of clouds and sun Sunday, then partly cloudy Sunday night through Tuesday highs 45-42 lows near 32. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a (40%) chance of showers tonight (under o.10 in. of rain possible, snow level 3,500 ft.), mostly cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of rain Wednesday afternoon (under 0.10 in. of rain possible), cloudy with a (40%) chance of rain in the evening, rain late Wednesday night (0.20 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), rain and snow showers Thursday (0.10 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft.), evening rain and snow showers, a good (50%) chance of rain and snow showers late Thursday night (0.15 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft.), mostly cloudy Friday AM, partly cloudy in the afternoon,  mostly clear in the evening, then partly cloudy with patchy fog late Friday night lows 37-32 highs 52-45. Areas of AM fog, partly cloudy with areas of fog in the afternoon and back to patchy fog late at night Saturday through Tuesday, mostly cloudy with patchy fog Saturday night, partly cloudy Sunday, mostly cloudy with areas of fog at night, then just partly cloudy Monday highs 44-50 lows near 33. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with coastal evening showers while evening showers likely (60%) inland and a (40%) chance of showers late tonight (under 0.10 in. of rain possible), cloudy with a slight (20%) chance of AM showers, a slight (20%) chance of rain Wednesday afternoon (under 0.10 in. of rain possible), coastal rain at night while evening rain likely (60%) inland and rain late Wednesday night (0.50 in. of rain possible) and windy (wind: S 10-20 mph increasing to S 20-30 mph with gusts to 45 mph late at night), showers and a slight (20%) chance of thunderstorms Thursday (0.35 in. of rain possible), showers and a slight (20%) chance of thunderstorms in the evening, a good (50%) chance of showers late Thursday night (0.15 in. of rain possible), mostly cloudy Friday AM, partly cloudy in the afternoon, then mostly clear Friday night lows 43-34 highs 50-48. Partly cloudy Saturday through Tuesday highs 49-52 lows near 38. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Mostly cloudy with showers tonight (0.25 in. of rain possible, 2-4 in. of snow possible), a (40%) chance of AM rain or snow, a slight (20%) chance of rain or snow Wednesday afternoon (under 0.10 in. of rain possible), cloudy with a (40%) chance of evening rain or snow, rain or snow late Wednesday night (0.25 in. of rain possible, 2-5 in. of snow possible), AM rain or snow, afternoon snow showers Thursday, evening snow showers, a good (50%) chance of showers late Thursday night, a mix of clouds and sun Friday, then partly cloudy Friday night snow level 3,500 ft. tonight, 3,000 ft. Wednesday, 3,500 ft. Wednesday night, 2,500 ft. Thursday, at the surface  Thursday night, then free air freezing level Friday and Friday night lows 26-18 highs 36-29. Partly cloudy Saturday through Sunday night, then mostly sunny Monday and Tuesday with partly cloudy skies Monday night snow level at the surface Friday, free air freezing level at the surface Saturday, 4,500 ft. Saturday night, 5,500 ft. Sunday, 7,500 ft. Sunday night, 7,000 ft. Monday and Monday night, then 6,500 ft. Tuesday highs 35-42 lows 22-26.

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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is my new weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) is flattening (weakening)  allowing a frontal system to move in today returning the rain chances. That’s when low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending more storms our way, including this frontal system (position shown is Thursday) that will push into Oregon on Wednesday.

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Advisories:  NONE AT THIS TIME.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with rain this AM, showers this afternoon (0.25 in. of rain possible) and tonight (0.10 in. of rain possible), cloudy with a good (50%) chance of rain Wednesday (under 0.10 in. of rain possible), rain Wednesday night (0.25 in. of rain possible), AM rain likely (60%), showers likely Thursday afternoon (0/15 in. of rain possible) and evening, then mostly cloudy with a good (50%) chance of showers Thursday night highs 50-42 lows 38-32. A mix of clouds and sun Friday, partly cloudy Friday night and Saturday, mostly cloudy Saturday night, a mix of clouds and sun Sunday, then partly cloudy with patchy fog Sunday night and Monday highs 45-42 lows near 32. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with AM rain, showers this afternoon (under 0.10 in. of rain possible, snow level 3,500 ft.), cloudy with a (40%) chance of showers tonight (under o.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), mostly cloudy with a slight (20%) chance of AM rain and snow (under 0.10 in. of rain possible, snow level 2,500 ft. rising to 3,000 ft. in the afternoon), cloudy with a (40%) chance of rain in the evening, rain late Wednesday night (snow level 3,500 ft. falling to 3,000 ft.), mostly cloudy with rain and snow Thursday (0.15 in. of rain possible, snow level 2,500 ft. falling to 2,000 ft.), then cloudy with evening rain and snow showers and rain and snow showers late Thursday night highs 54-47 lows 40-35. Mostly cloudy Friday, mostly cloudy with a slight (20%) chance of rain and snow showers Friday night, partly cloudy Saturday, mostly cloudy with patchy fog Saturday night, partly cloudy Sunday, mostly cloudy with areas of fog at night, then just partly cloudy Monday highs 44-50 lows near 34. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with AM rain, showers this afternoon (0.20 in. of rain possible), cloudy with coastal evening showers and showers likely (60%) late at night while a (40%) chance of showers inland tonight (0.10 in. of rain possible), mostly cloudy with a good (50%) chance of rain Wednesday (under 0.10 in. of rain possible), coastal evening rain likely (60%) with a good (50%) chance of inland evening rain, rain late Wednesday night (0.40 in. of rain possible) and breezy (wind: S 10-15 mph increasing to S 15-25 mph late at night), mostly cloudy with coastal rain Thursday while inland AM rain (0.20 in. of rain possible) with a slight (20%) chance of afternoon thunderstorms, evening showers, then rain and snow showers likely (60%) late Thursday night highs 52-45 lows 43-38. Mostly cloudy with a (40%) chance of showers Friday, a slight (20%) chance of showers Friday night, partly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy Saturday night through Monday highs 48-52 lows 34-37. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Mostly cloudy with rain and snow this AM, rain and snow showers this afternoon (0.25 in. of rain possible, 1-3 in. of snow possible), showers tonight (0.25 in. of rain possible, 1-3 in. of snow possible), cloudy with a (40%) chance of rain and snow Wednesday breaking out to partly cloudy with a (40%) chance of rain and snow (0.25 in. of rain possible) and in the evening, rain and snow late Wednesday night (60%), AM snow, afternoon snow showers Thursday, evening rain and snow showers likely (60%), then  a good (50%) chance of showers late Thursday night snow level 3,500 ft. this afternoon and  tonight, 3,000 ft. Wednesday, 3,500 ft. Wednesday night, then at the surface Thursday and Thursday night highs 36-30 lows 26-20. A mix of clouds and sun with a slight (20%) chance of snow showers Friday, partly cloudy Friday night through Sunday night, then mostly sunny Monday snow level at the surface Friday, free air freezing level at the surface Friday night and Saturday, 4,500 ft. Saturday night, 6,000 ft. Sunday, 7,500 ft. Sunday night, then 7,000 ft. Monday highs 32-40 lows 20-26.

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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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Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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Here is my new weekly weather quiz question. What does the following description actually describe? “Very energetic electromagnetic radiation with wavelengths intermediate between 0.01 and 10 nanometers (0.1-100 Angstroms) or between gamma rays and ultraviolet radiation. Essentially all of them from space are absorbed in the Earth’s upper atmosphere.” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) is flattening (weakening)  allowing a frontal system, at least the cold front, to move in today bringing back the rain chances tonight. That’s when low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending storms our way. Another frontal system will approach the Pacific Northwest on Wednesday continuing our rain chances.

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Advisories:  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 9 AM TUESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE KLAMATH BASIN, NORTHERN, EASTERN AND WESTERN KLAMATH COUNTY, AND CENTRAL AND EASTERN LAKE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with areas of fog this AM and patches of sun, mostly cloudy this afternoon, mostly cloudy with a slight (20%) chance of rain late tonight (under 0.10 in. of rain possible), rain Tuesday AM, showers likely (60%) in the afternoon (0.10 in. of rain possible)and Tuesday night, a (40%) chance of AM showers, a good (50%) chance of rain Wednesday afternoon (under 0.10 in. of rain possible), then rain likely (70%) Wednesday night (under 0.10 in. of rain possible) highs near 50 lows near 37. Mostly cloudy with rain Thursday, showers likely (60%) Thursday night, a mix of clouds and sun with a slight (20%) chance of showers Friday, partly cloudy Friday night and Saturday, then mostly cloudy Saturday night and Sunday highs 44-48 lows 34-32. (seasonal averages high 50 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog this AM, mostly cloudy this afternoon, patchy fog with a slight (20%) chance of rain late tonight, AM rain, showers Tuesday afternoon (0.10 in. of rain possible, snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Tuesday night (under o.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft.), a slight (20%) chance of AM rain and snow showers, a slight (20%) chance of rain Wednesday afternoon (snow level 2,500 ft.), cloudy with a (40%) chance of rain in the evening, then rain likely (60%) late Wednesday night highs 56-52 lows 39-35. Mostly cloudy with rain and snow Thursday, rain and snow showers Thursday night, mostly cloudy with a (40%) chance of rain and snow showers Friday, a slight (20%) chance of rain and snow showers Friday night, partly cloudy with a slight (20%) chance of showers Saturday, just mostly cloudy Saturday night, then partly cloudy Sunday highs near 48 lows 34-32. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of coastal fog this AM, mostly cloudy this afternoon, a slight (20%) chance of rain late tonight (under 0.10 in. of rain possible), mostly cloudy with AM rain Tuesday (0.20 in. of rain possible), showers in the afternoon (under 0.10 in. of rain possible), coastal evening showers with showers likely (60%) late while evening showers likely (60%) inland and a good (50%) chance of showers late Tuesday night (under 0.10 in. of rain possible), mostly cloudy with a good (50%) chance of AM showers, a (40%) chance of rain Wednesday afternoon and evening, then rain late Wednesday night  highs 54-50 lows near 40. Mostly cloudy with rain Thursday, showers likely (70%) Thursday night, a (40%) chance of showers Friday, a slight (20%) chance of showers Friday night, partly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy Saturday night and Sunday highs 46-50 lows 42-34. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Partly cloudy today, mostly cloudy with a slight (20%) chance of rain late tonight, rain and snow likely (60%) Tuesday AM, rain and snow showers in the afternoon, rain and snow Tuesday AM, rain and snow showers in the afternoon (0.25 in. of rain possible, 1-4 in. of snow possible), rain or snow Tuesday night, a good (50%) chance of AM rain and snow showers, a slight (20%) chance of rain and snow in the afternoon, then rain and snow likely (60%) Wednesday night free air freezing level 6,500 ft. rising to 7,500 ft. today, snow level 5,500 ft. tonight, 5,000 fgt. falling to 3,500 ft. Tuesday and Tuesday night, 3,000 ft. Wednesday, then 4,000 ft. Wednesday night highs 44-35 lows 28-22. Mostly cloudy with rain and snow Thursday, rain and snow showers Thursday night, a mix of clouds and sun with a (30%) chance of snow showers Friday, then partly cloudy Friday night through Sunday snow level 2,500 ft. Thursday, 3,000 ft. Thursday night, at the surface Friday, free air freezing level at the surface Friday night and Saturday, then 5,000 ft. Saturday night and Sunday highs 32-37 lows 21-24.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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No winner this week. Here is my weekly weather quiz question for the last time. What is a “Tail-end Charlie?” Here is the correct answer. “Tail-End Charlie is slang for the thunderstorm at the southernmost end of a squall line or other line or band of thunderstorms. Since low-level southerly inflow of warm, moist air into this storm is relatively unimpeded, such a storm often has a higher probability of strengthening to severe levels than the other storms in the line.” I’ll have another weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (the shaded “Arch” shape) is flattening (weakening)  allowing a frontal system, at least the cold front, to move in Monday bringing back the rain chances Monday night. That’s when low pressure (shaded “U” shape) in the Gulf of Alaska takes over sending storms our way. A frontal system will approach the Pacific Northwest on Wednesday continuing our rain chances.

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Advisories:  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 9 AM TUESDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE KLAMATH BASIN, NORTHERN, EASTERN AND WESTERN KLAMATH COUNTY, AND CENTRAL AND EASTERN LAKE COUNTY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with areas of fog tonight and Monday AM, mostly cloudy in the afternoon, a (20%) chance of evening sprinkles, mostly cloudy with a good (50%) chance of rain late Monday night, rain Tuesday AM, showers likely (60%) in the afternoon and Tuesday night, a (40%) chance of AM showers, a good (50%) chance of rain Wednesday afternoon, then rain likely (70%) Wednesday night lows near 36 highs near 48. Mostly cloudy with rain Thursday, showers likely (60%) Thursday night, a mix of clouds and sun with a slight (20%) chance of showers Friday, partly cloudy Friday night and Saturday, then mostly cloudy Saturday night and Sunday highs 44-48 lows 34-32. (seasonal averages high 49 low 35)

Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog late tonight and Monday AM, mostly cloudy in the afternoon, patchy fog with a slight (20%) chance of rain late Monday night, AM rain, showers Tuesday afternoon (snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Tuesday night (snow level 3,500 ft. falling to 3,000 ft.), a slight (20%) chance of AM rain and snow showers, a slight (20%) chance of rain Wednesday afternoon, cloudy with a (40%) chance of rain in the evening, then rain likely (60%) late Wednesday night lows 39-35 highs 56-52. Mostly cloudy with rain and snow Thursday, rain and snow showers Thursday night, mostly cloudy with a (40%) chance of rain and snow showers Friday, a slight (20%) chance of rain and snow showers Friday night, partly cloudy with a slight (20%) chance of showers Saturday, just mostly cloudy Saturday night, then partly cloudy Sunday highs near 48 lows 34-32. (seasonal averages high 52 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of coastal fog tonight and Monday AM, mostly cloudy in the afternoon, a slight (20%) chance of rain late Monday night, mostly cloudy with AM rain Tuesday, showers in the afternoon, coastal evening showers with showers likely (60%) late while evening showers likely (60%) inland and a good (50%) chance of showers late Tuesday night, mostly cloudy with a good (50%) chance of AM showers, rain likely (60%) Wednesday afternoon and evening, then rain late Wednesday night lows near 40 highs 54-50. Mostly cloudy with rain Thursday, showers likely (70%) Thursday night, a (40%) chance of showers Friday, a slight (20%) chance of showers Friday night, partly cloudy with a slight (20%) chance of showers Saturday, then partly cloudy Saturday night and Sunday highs 46-50 lows 42-34. (seasonal averages high 52 low 40)

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Forecast for the Cascades of Lane County: Mostly cloudy tonight, partly cloudy  Monday, mostly cloudy with rain a slight (20%) chance of sprinkles or snow flurries Monday night, and snow likely (60%) Tuesday AM, rain and snow showers in the afternoon, rain and snow Tuesday AM, rain and snow showers in the afternoon, rain and snow showers Tuesday night, a good (50%) chance of AM rain and snow showers, a slight (20%) chance of rain and snow in the afternoon, then rain and snow Wednesday night free air freezing level 7,000 ft. falling to 6,500 ft. tonight, 7,000 ft. rising to 9,000 ft. Monday, snow level 5,500 ft. Monday night, 3,500 ft. Tuesday, 3,000 ft. Tuesday night and Wednesday, then 4,000 ft. Wednesday night  lows 28-22 highs 44-35. Mostly cloudy with rain and snow Thursday, rain and snow showers Thursday night, a mix of clouds and sun with a (30%) chance of snow showers Friday, then partly cloudy Friday night through Sunday snow level 2,500 ft. Thursday, 3,000 ft. Thursday night,  at the surface Friday, free air freezing level at the surface Friday night and Saturday, then 5,000 ft. Saturday night and Sunday highs 32-37 lows 21-24.

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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.

________________

Get your local Eugene-Springfield news on-line at Eugene Daily News.com.

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