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Congratulations to Buddy McKinley this week’s weather quiz winner. Here’s the question he correctly answered. Nor’easters have been causing a lot of trouble this Winter season. Just define the term “nor’easter” to win a week of free forecasts. You can go back to his posted comment answer, but I’ll place it here for you now. “A nor’easter,also northeaster; is a type of macro-scale storm along the East Coast of the United States and Atlantic Canada, so named because the storm travels to the northeast from the south and the winds come from the northeast, especially in the coastal areas of the Northeastern United States and Atlantic Canada. More specifically, it describes a low pressure area whose center of rotation is just off the East Coast and whose leading winds in the left forward quadrant rotate onto land from the northeast. The precipitation pattern is similar to other extratropical storms. Nor’easters also can cause coastal flooding, coastal erosion, hurricane force winds, and heavy snow. Nor’easters can occur at any time of the year but are mostly known for their presence in the winter season. Nor’easters can be devastating and damaging, especially in the winter months, when most damage and deaths are cold related, as nor’easters are known for bringing extremely cold air down from the Arctic air mass. Nor’easters thrive on the converging air masses; that is, the polar cold air mass and the warmer ocean water of the Gulf Stream.” I’ll have another weekly weather quiz question for you starting next Monday. Please post your answer as a comment by clicking on “no 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.

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The jet stream shows a high pressure ridge ( “arch” shaped area) aiming the airflow toward the Pacific Northwest .  Another cold front pushed down from the North bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: A FREEZE WATCH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AM FOR THE SOUTH CENTRAL OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT FROM 10 AM TUESDAY UNTIL 10 AM SATURDAY FOR CENTRAL DOUGLAS COUNTY INCLUDING ROSEBURG, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND CENTRAL, EASTERN, AND WESTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy and colder tonight with patchy fog and freezing fog late at night and early AM, a mix of clouds and sun Tuesday afternoon, mostly clear with patchy fog and freezing late Tuesday night and Wednesday AM, a mix of clouds and sun Wednesday afternoon, partly cloudy with patchy fog and freezing fog late at night and Thursday AM, a mix of clouds and sun Thursday afternoon, then partly cloudy Thursday night lows 28-22 Tuesday night warming to 32 Thursday night highs 48-42 warming to 55 Thursday.  A mix of clouds and sun Friday and Saturday, partly cloudy with a slight (20%) chance of showers Friday night, partly cloudy Saturday night, then mostly cloudy with a slight (20%) chance of showers Sunday through Monday highs 55-49 lows 38-34. (seasonal  averages high 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog late tonight and Tuesday AM, becoming mostly sunny Tuesday afternoon, mostly clear Tuesday night with patchy fog and freezing fog late, partly cloudy with patchy AM fog and freezing fog, then sunny Wednesday afternoon, partly cloudy with patchy fog and freezing fog Wednesday night and   Thursday AM, partly cloudy Thursday afternoon, partly cloudy with patchy fog late Thursday night lows 36-28 Wednesday night warming to 36 Thursday night highs 47-57. Patchy AM fog then partly cloudy Friday, mostly cloudy with patchy fog late Friday night, then mostly cloudy Saturday, partly cloudy with a slight (20%) chance of showers Saturday night, mostly cloudy with a slight (20%) chance of showers Sunday and Sunday night, then just mostly cloudy Monday highs 58-52 lows 39-34. (seasonal averages high 52 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy tonight with patchy coastal fog, patchy fog Tuesday AM, then mostly sunny Tuesday afternoon, mostly clear Tuesday night, sunny Wednesday, partly cloudy with patchy fog again late Wednesday night through Thursday night lows 39-33 warming to near 40 Thursday night highs 50-55. Patchy AM fog Friday, mostly cloudy with patchy fog late at night, mostly cloudy with a slight (20%) chance of showers Saturday, partly cloudy with a slight (20%) chance of showers Saturday night through Sunday night, and just partly cloudy Monday highs 57-52 lows 40-37. (seasonal averages high 54 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy this evening, becoming partly cloudy tonight, mostly sunny and breezy (wind: E 15-25 mph) Tuesday, mostly clear Tuesday night, mostly sunny Wednesday and Thursday, mostly clear at night free air freezing level 3,000 ft. falling to the surface late tonight, 4,000 ft. Tuesday, 5,500 ft. Tuesday night, 7,500 ft. Wednesday afternoon, rising to 8,000 ft. Wednesday night, and rising to 9,000 ft. Thursday and Thursday night lows 19-16 warming to 25 Wednesday night and near 30 Thursday night highs 28-47. Partly cloudy with a slight (20%) chance of showers Friday and Friday night, then mostly cloudy with a slight (20%) chance of rain and snow showers Saturday through Monday snow level 8,000 ft. Friday, 6,500 ft. Friday night, 4,500 ft. Saturday through Monday highs 48-38 lows 28-24.

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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.

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It’s Monday and that means it’s time for my new weekly weather quiz question. Here it is. Nor’easters have been causing a lot of trouble this Winter season. Just define the term “nor’easter” to win a week of free forecasts. Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge ( “arch” shaped area) aiming the airflow toward the Pacific Northwest and an upper level low pressure area pushing South and Eastward through California.  Another cold front pushes down from the North today  bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: A FREEZE WATCH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AM FOR THE SOUTH CENTRAL OREGON COAST.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy this AM, a mix of clouds and sun this afternoon, partly cloudy in the evening, mostly cloudy and colder tonight with patchy fog and freezing fog late at night and early AM, a mix of clouds and sun Tuesday afternoon, mostly clear with patchy fog and freezing late Tuesday night and Wednesday AM, mostly sunny Wednesday afternoon, partly cloudy with patchy fog and freezing fog late at night and Thursday AM, a mix of clouds and sun Thursday afternoon, then partly cloudy Thursday night highs 50-47 warming to 55 Thursday lows 29-24 Tuesday night warming to 32 Thursday night.  A mix of clouds and sun Friday, mostly cloudy Friday night, a mix of clouds and sun Saturday, partly cloudy Saturday night, then mostly cloudy with a slight (20%) chance of showers Sunday highs 55-49 lows near 28-38. (seasonal  averages high 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog early this AM, partly cloudy this afternoon, then patchy fog late tonight and Tuesday AM, becoming mostly sunny  Tuesday afternoon, mostly clear Tuesday night with patchy fog  and freezing fog late, patchy AM fog and freezing fog, then sunny Wednesday afternoon, partly cloudy Wednesday night through Thursday night with patchy fog late at night and early AM highs 55-49 warming to 56 Thursday lows 35-32  Wednesday night warming to 36 Thursday night. Patchy fog then partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night, then partly cloudy Saturday through Saturday night, mostly cloudy Sunday with a slight (20%) chance of showers highs 57-52 lows 37-33. (seasonal averages high 52 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:   Mostly cloudy with patchy fog this AM, mostly sunny this afternoon, mostly cloudy tonight with patchy coastal fog, patchy fog Tuesday AM, then partly cloudy Tuesday afternoon, mostly clear Tuesday night, sunny Wednesday, then partly cloudy with patchy fog again late Wednesday night highs 52-55 lows 39-33 warming to near 40 Wednesday night. Patchy AM and late night fog Thursday otherwise partly cloudy,  patchy AM fog Friday then partly cloudy with a slight (20%) chance of showers Friday afternoon and night, partly cloudy with a slight (20%) chance of showers Saturday through Sunday highs 62-49 lows 40-37. (seasonal averages high 54 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of snow showers this AM, becoming partly cloudy tonight, mostly sunny Tuesday through Thursday with mostly clear nights free air freezing level 5,000 ft. today, falling to 3,500 ft.  late tonight, 4,000 ft. Tuesday, 4,500 ft. Tuesday night, 7,500 ft. Wednesday, rising to 8,000 ft. Wednesday night, and rising to 9,000 ft. Thursday and Thursday night highs 33-27 warming to 36 Wednesday and 44 Thursday lows 22-17 warming to 25 Wednesday night and 33 Thursday night. Partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of rain and snow showers Saturday through Sunday snow level 8,000 ft. Friday, 6,500 ft. Friday night, 3,500 ft. Saturday, and 4,500 ft. Saturday night and Sunday highs 48-37 lows 28-24.

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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.

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The jet stream shows a high pressure ridge ( “arch” shaped area) aiming the airflow toward the Pacific Northwest and an upper level low pressure area pushing South and Eastward through California.  Another cold front pushes down from the North tonight and Monday bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: NONE AT THIS TIME.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy tonight, mostly cloudy Monday AM, a mix of clouds and sun Monday afternoon, partly cloudy in the evening, mostly cloudy and colder Monday night, AM fog and freezing fog, a mix of clouds and sun Tuesday afternoon, mostly clear with patchy fog and freezing late Tuesday night and Wednesday AM, mostly sunny Wednesday afternoon, partly cloudy with patchy fog and freezing fog late at night and Thursday AM, a mix of clouds and sun Thursday afternoon, then partly cloudy Thursday night lows 35-24 Tuesday night warming to 30 Thursday night highs 48-54.  A mix of clouds and sun Friday, mostly cloudy Friday night, a mix of clouds and sun Saturday, partly cloudy Saturday night, then mostly cloudy with a slight (20%) chance of showers Sunday highs 55-49 lows near 28-38. (seasonal  averages high 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog late tonight and early Monday AM, mostly sunny Monday afternoon, then patchy fog late Monday night and Tuesday AM, partly cloudy Tuesday afternoon, mostly clear Tuesday night with patchy fog late, patchy AM fog then partly cloudy Wednesday afternoon through Thursday night with patchy fog late at night and early AM lows 36-32 warming to 36 Thursday night highs 55-49 warming to 56 Thursday. Patchy fog then partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers Friday night, then partly cloudy Saturday through Sunday with a slight (20%) chance of showers highs 57-50 lows 37-33. (seasonal averages high 52 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:   Partly cloudy this evening, mostly cloudy with patchy fog late tonight and Monday AM, mostly sunny Monday afternoon, partly cloudy in the evening, mostly cloudy Monday night with patchy coastal fog, patchy fog Tuesday AM, then partly cloudy Tuesday afternoon and night, mostly cloudy Wednesday, then partly cloudy with patchy fog again late Wednesday night lows 39-33 warming to near 40 Wednesday night highs 50-55. Patchy AM and late night fog Thursday otherwise partly cloudy,  patchy AM fog Friday then partly cloudy with a slight (20%) chance of showers Friday afternoon and night, partly cloudy with a slight (20%) chance of showers Saturday through Sunday highs 62-49 lows 40-37. (seasonal averages high 54 low 40).

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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of  rain and snow showers this evening, a slight (20%) chance of snow showers tonight and Monday AM, a mix of clouds and sun Monday afternoon, partly cloudy Monday night, mostly sunny Tuesday through Thursday with mostly clear nights snow level 3,500 ft. falling to 2,000 ft. late tonight, at the surface Monday, free air freezing level at the surface late at night rising to 2,500 ft. Tuesday, 4,500 ft. rising to 6,000 ft. Tuesday night, 8,000 ft. Wednesday and Wednesday night, and rising to 9,000 ft. Thursday and Thursday night lows 21-17 warming to near 30 Thursday night highs 32-27 warming to 44 Thursday.  Partly cloudy with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of rain and snow showers Saturday through Sunday snow level 8,000 ft. Friday, 6,500 ft. Friday night, 3,500 ft. Saturday, and 4,500 ft. Saturday night and Sunday highs 48-37 lows 28-24.

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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.

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The jet stream shows a high pressure ridge ( “arch” shaped area) aiming the airflow toward the Pacific Northwest and a closed low pressure area headed South through California.  Another cold front push down from the North tonight and Monday with the potential of bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST).

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a slight (20%) chance of showers this AM, partly cloudy and colder tonight, mostly cloudy Monday, partly cloudy and colder Monday night highs 52-47 lows 34-26. Mostly sunny Tuesday, partly cloudy Tuesday night, a mix of clouds and sun Wednesday through Saturday with partly cloudy nights highs 48-54 lows near 25-36. (seasonal  averages high 48 low 34)

Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with a slight (20%) chance of coastal showers today, and a slight (20%) chance of AM showers inland, mostly cloudy tonight, patchy AM fog, mostly cloudy Monday, partly cloudy in the evening, mostly cloudy Monday night and Tuesday AM with patchy AM fog, then partly cloudy Tuesday afternoon and night highs 55-49 lows 39-33. Partly cloudy Wednesday, partly cloudy with patchy fog Wednesday night through Friday, then partly cloudy with a slight (20%) chance of showers Friday night and Saturday highs near 54 lows near 39. (seasonal averages high 54 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with a  a slight (20%) chance of  rain and snow showers this AM, (40%)chance of rain and snow showers this afternoon, partly cloudy with a slight (20%) chance of  snow showers and colder tonight, mostly cloudy with a  slight (20%) chance of snow showers Monday, partly cloudy Monday night, mostly sunny Tuesday, and mostly clear Tuesday night snow level 3,500 ft. today and tonight, falling to 3,000 ft. late tonight, 2,500 ft.  Monday,  free air freezing level 2,500 ft. falling to the surface late at night through Tuesday night highs 35-28 lows 25-18. Mostly sunny Wednesday and Thursday, partly cloudy Wednesday night, mostly clear Thursday night, then partly cloudy with a slight (20%) chance of rain Friday through Saturday free air freezing level 4,500 ft. Wednesday, 6,000 ft. Wednesday night, and 7,000 ft. Thursday,  7,500 ft. Thursday night, 6,000 ft. Friday, 6,500 ft. Friday night, and 4,500 ft. Saturday highs 40-47 lows 26-32.

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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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The jet stream shows a high pressure ridge ( “arch” shaped area) aiming the airflow toward the Pacific Northwest and a closed low pressure area headed to California. The  computer models indicate a wet weather pattern will begin as a frontal system moves in from the west. Another cold front (see last graphic) will try to push down from the North Sunday night and Monday with the potential of bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON SUNDAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST).

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (40%) chance of rain tonight, mostly cloudy with a slight (20%) chance of showers Sunday AM, partly cloudy with a slight (20%) chance of showers Sunday night, mostly cloudy with a slight (20%) chance of showers Monday, partly cloudy and colder Monday night lows 39-26 highs 52-47. Mostly sunny Tuesday, partly cloudy Tuesday night, a mix of clouds and sun Wednesday through Saturday with partly cloudy nights highs 48-54 lows near 25-36. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Cloudy with a good (50%) chance of rain this evening, rain likely (60%)  late tonight (snow level 3,500 ft. late),  mostly cloudy with a slight (20%) chance of showers Sunday AM, just mostly cloudy Sunday night, mostly cloudy with patchy AM fog Monday,  a slight (20%) chance of showers Monday, partly cloudy with a slight (20%) chance of evening showers, then patchy fog late Monday night and Tuesday AM, partly cloudy Tuesday afternoon, then mostly clear Tuesday night with patchy fog and freezing fog lows 38-28 high 38-33. Mostly sunny Wednesday, partly cloudy with patchy fog and freezing fog Wednesday night and Thursday, mostly cloudy with areas of patchy fog Thursday night and Friday, partly cloudy with a slight (20%) chance of showers Friday night and Saturday highs 50-55 lows 32-39. (seasonal averages high 52 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with rain likely (60%) tonight, a slight (20%) chance of showers Sunday, and a slight (20%) chance of AM showers inland, mostly cloudy Sunday night, patchy AM fog, mostly cloudy with a slight (20%) chance of showers Monday, partly cloudy with a slight chance of evening showers, mostly cloudy Monday night and Tuesday AM with patchy AM fog, then partly cloudy Tuesday afternoon and night lows 42-30 highs 55-49. Partly cloudy Wednesday, partly cloudy with patchy fog Wednesday night through Friday, then partly cloudy with a slight (20%) chance of showers Friday night and Saturday highs near 54 lows near 39. (seasonal averages high 54 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with a  good (50%) chance of rain and snow tonight, a (40%) chance of  rain and snow showers Sunday, partly cloudy with a slight (20%) chance of rain and snow showers Sunday night, mostly cloudy with a  slight (20%) chance of snow showers Monday (breezy near Mt. Hood), partly cloudy Monday night (breezy near Mt. Hood), mostly sunny Tuesday (windy near Mt. Hood), and mostly clear Tuesday night snow level 4,000 ft. tonight, 3,500 ft. Sunday, 3,000 ft. Sunday night (1,500 ft. near Mt. Hood), at the surface Monday through Tuesday night lows 28-20 highs 35-28. Mostly sunny Wednesday and Thursday, partly cloudy Wednesday night, mostly clear Thursday night, then partly cloudy with a slight (20%) chance of rain Wednesday through Saturday free air freezing level 4,500 ft. Wednesday, 6,000 ft. Wednesday night, and 7,000 ft. Thursday,  7,500 ft. Thursday night, 6,000 ft. Friday, 6,500 ft. Friday night, and 4,500 ft. Saturday highs 40-47 lows 26-32.

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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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Sorry, no winner for my weekly weather quiz question this week. Here is the question for the last time. Why are clouds white? It’s actually pretty easy. Clouds are white because they reflect the light of the sun. Light is made up of colors of the rainbow and when you add them all together you get white. The sun appears a yellow color because it sends out more yellow light than any other color. Clouds reflect all the colors the exact same amount so they look white. I’ll have a new weekly weather quiz question for you starting Monday. Please post your answer as a comment by clicking on “no 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.

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The jet stream shows a high pressure ridge (shaded “arch” shaped area with blue arrows) moving Eastward over the Pacific Northwest and a dip in the jet (a small trough of low pressure falling in behind it. The  computer models indicate a wet weather pattern will begin as a frontal system moves in from the west today. Another cold front will try to push down from the North Sunday night Monday with the potential of bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories: A HIGH SURF ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON SUNDAY FOR THE SOUTH OREGON COAST (CURRY COUNTY COAST).

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: After some serious morning sunshine it will become mostly cloudy with a good (50%) chance of rain today (0.10 in. of rain possible) and this evening, rain likely (60%) tonight (0.10 in. of rain possible), mostly cloudy with a (30%) chance of showers Sunday, a slight (20%) chance of showers Sunday evening, a mix of clouds and sun Monday, and partly cloudy Monday night highs 56-47 lows 37-25. A mix of clouds and sun Tuesday through Friday with partly cloudy nights highs 45-52 lows near 30-34. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Patchy AM fog, mostly cloudy with a (30%) chance of rain this afternoon, cloudy with a good (50%) chance of rain late tonight (snow level 3,000 ft.),  mostly cloudy with a (30%) chance of showers Sunday (snow level 3,000 ft. rising to 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday night, mostly cloudy with a slight (20%) chance of showers Monday (snow level 3,000 ft.), and partly cloudy with patchy fog late Monday night high 56-49 lows 39-32. Partly cloudy with patchy fog Tuesday, mostly clear Tuesday night, partly cloudy Wednesday, then partly cloudy with patchy fog Wednesday night through Friday highs 44-54 lows 30-37. (seasonal averages high 52 low 35)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with a  (40%) chance of coastal rain with a (40%) chance of afternoon rain inland, then rain likely (60%) tonight, a (30%) chance of showers Sunday and a slight (20%) chance of showers Sunday night, mostly cloudy with a slight (20%) chance of showers Monday, and  just partly cloudy Monday night highs 52-49 lows 42-33. Partly cloudy Tuesday through Friday highs 48-55 lows 30-39. (seasonal averages high 53 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with a (40%) chance of rain or snow today and a good (50%) chance this evening, rain or snow likely (60%) late tonight (2 in. of snow possible), a (40%) chance of  showers Sunday and a slight (20%) chance Sunday night, partly cloudy with a (30%) chance of snow showers Monday, then just partly cloudy Monday night snow level 4,500 ft. today, 4,000 ft. tonight, 3,500 ft. falling to 3,000 ft.  Sunday afternoon, 1,000 ft. Sunday night to 3,500 ft. near Willamette Pass, snow level at the surface Monday, and free air freezing level 2,000 ft. falling to the surface Monday night highs 42-29 lows 30-20.  A mix of clouds and sun Tuesday through Thursday with partly cloudy nights free air freezing level at the surface Tuesday and Tuesday night, 5,500 ft. Wednesday, 6,000 ft. Wednesday night, and 5,500 ft. Thursday, and 6,500 ft. Thursday night and Friday highs 36-45 lows 30-33.

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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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Here is my weekly weather quiz question for you. Today is your last chance to win this week. Why are clouds white? It’s actually pretty easy. Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge (shaded “arch” shaped area with blue arrows) moving Eastward over the Pacific Northwest and a dip in the jet (a small trough of low pressure falling in behind it. The  computer models indicate a wet weather pattern will begin as another frontal system moves in from the West. A cold front will push down from the North Sunday night Monday with the potential of bringing some cold Arctic air with it. Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories:   AN AIR STAGNATION ADVISORY CONTINUES TO BE IN EFFECT UNTIL 4 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, INCLUDING ROSEBURG, AND EASTERN CURRY COUNTY, JOSEPHINE COUNTY,  JACKSON COUNTY, THE KLAMATH BASIN, AND CENTRAL AND EASTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with a (30%) chance of showers tonight (under 0.10 in. of rain possible), a good (50%) chance of rain Saturday (0.10 in. of rain possible) and Saturday night (0.10 in. of rain possible), mostly cloudy with a (30%) chance of showers Sunday, a slight (20%) chance of showers Sunday night, partly cloudy with a slight (20%) chance of showers Monday, and partly cloudy Monday night lows 38-35 highs 53-47. A mix of clouds and sun Tuesday through Friday with partly cloudy nights highs 45-52 lows near 30-34. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with a slight (20%) chance of showers tonight, patchy AM fog, mostly cloudy with a (30%) chance of rain Saturday (snow level 3,500 ft.), evening rain likely (60%)  then a good (50%) chance of rain late Saturday night (snow level 3,000 ft.),  a (30%) chance of showers Sunday (snow level 3,000 ft. rising to 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday night, partly cloudy with a slight (20%) chance of showers Monday, and partly cloudy with patchy fog late Monday night lows 39-32 high 56-49. Partly cloudy with patchy fog Tuesday, mostly clear Tuesday night, partly cloudy Wednesday, then partly cloudy with patchy fog Wednesday night through Friday highs 44-54 lows 30-37. (seasonal averages high 52 low 35)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy with a slight (20%) chance of showers tonight, a slight (20%) chance of AM coastal rain with afternoon rain likely (60%) Saturday, a good (50%) chance of rain inland, then rain likely (60%) Saturday night, a (40%) chance of showers Sunday and Sunday night, partly cloudy with a slight (20%) chance of showers Monday, and  just partly cloudy Monday night lows 45-33 highs 55-49. Partly cloudy Tuesday through Friday highs 48-55 lows 30-39. (seasonal averages high 53 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with a (40%) chance of rain and snow showers, mainly North of Santiam Pass, tonight a slight (20%) chance South, , a (40%) chance of rain and snow Saturday and a good (50%) chance Saturday night, a (40%) chance of rain and snow showers Sunday and Sunday night, partly cloudy with a (30%) chance of snow showers Monday, then just partly cloudy Monday night snow level falling from 6,000 ft. to 5,000 ft. late tonight,  5,000 ft.  Saturday, 4,000 ft. Saturday night, 3,500 ft Sunday, 3,000 ft. Sunday night, snow level at the surface Monday, and free air freezing level at the surface Monday night lows 30-20 highs 39-29.  A mix of clouds and sun Tuesday through Thursday with partly cloudy nights free air freezing level 2,500 ft. Tuesday,  3,500 ft. Tuesday night, 5,500 ft. Wednesday, 6,000 ft. Wednesday night, and 5,500 ft. Thursday, and 6,500 ft. Thursday night and Friday highs 38-45 lows 30-33.

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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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Here is my weekly weather quiz question for you. Today is your last chance to win this week. Why are clouds white? It’s actually pretty easy. Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge (shaded “arch” shaped area with blue arrows) moving Eastward over the Pacific Northwest. The  computer models indicate a wet weather pattern will begin as another frontal system moves in from the West-Northwest . Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories:   AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR ALL OF THE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE AND SPRINGFIELD.  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, INCLUDING ROSEBURG, AND EASTERN CURRY COUNTY, JOSEPHINE COUNTY,  JACKSON COUNTY, THE KLAMATH BASIN, AND CENTRAL AND EASTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with patchy fog and a slight (20%) chance of rain this AM, mostly cloudy with a (30%) chance of afternoon rain (under 0.10 in. of rain possible), a (30%) chance of showers tonight (under 0.10 in. of rain possible), rain likely (60%) Saturday (0.10 in. of rain possible), a good (50%) chance of rain Saturday night (0.10 in. of rain possible), mostly cloudy with a (40%) chance of showers Sunday AM, a slight (20%) chance of afternoon showers, then partly cloudy Sunday night highs 56-50 lows 38-35. A mix of clouds and sun Monday through Thursday with partly cloudy nights highs 49-52 lows near 36-32. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog this AM, mostly cloudy with a slight (20%) chance of rain this afternoon and night, a good (50%) chance of rain Saturday, rain likely (60%) Saturday night (snow level 3,000 ft.),  a (30%) chance of showers Sunday (snow level 2,500 ft. rising to 3,500 ft.), then a slight (20%) chance of showers Sunday evening high 55-49 lows 39-34. Partly cloudy Monday through Wednesday, mostly cloudy Wednesday night, and just partly cloudy Thursday highs 50-56 lows 32-35. (seasonal averages high 52 low 35)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Mostly cloudy today with a (40%) chance of coastal rain and a slight (20%) chance inland, a (30%) chance of showers tonight, a good (50%) chance of AM coastal showers with afternoon rain likely (60%) Saturday, a good (50%) chance of rain inland, then rain likely (60%) Saturday night, a (40%) chance of showers Sunday, and a slight (20%) chance of  showers Sunday evening highs 55-49 lows 45-35. Partly cloudy Monday through Wednesday, mostly cloudy Wednesday night, and just partly cloudy Thursday highs 50-55 lows 34-39. (seasonal averages high 53 low 40).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today and cooler with a slight (20%) chance of rain and snow showers (0.10 in. of rain possible) this afternoon, a slight (20%) chance of showers and colder tonight, mostly cloudy with a (40%) chance of rain and snow Saturday and Saturday night, partly cloudy with a (40%) chance of rain and snow showers Sunday, and a (40%) chance of rain and snow showers Sunday night snow level falling from 8,000 ft. to 6,000 ft. this afternoon, 4,000 ft. tonight through Saturday night, 2,500 ft Sunday, and back up to 3,500 ft. Sunday night highs 44-34 lows 30-24.  A mix of clouds and sun Monday through Wednesday with partly cloudy nights, then partly cloudy with a slight (20%) chance of showers Thursday free air freezing level 3,500 ft. Monday and Monday night, 5,500 ft. Tuesday, 7,000 ft. Tuesday night, 6,000 ft. Wednesday and Wednesday night, and 5,000 ft. Thursday highs 35-44 lows 33-28.

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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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Here is my weekly weather quiz question for you. Why are clouds white? It’s actually pretty easy. Please post your answer as a comment by clicking on “no 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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The jet stream shows a high pressure ridge (shaded “arch” shaped area with blue arrows) still over the Pacific Northwest. The  computer models indicate a wet weather pattern will begin as another frontal system moves in from the Northwest for your Friday (position shown is still over the Pacific). Remember that, particularly this time of the year, when it’s not raining it is usually fogging and we’ve had some pretty dense fog lately.

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Advisories:   AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR ALL OF THE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE AND SPRINGFIELD.  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, INCLUDING ROSEBURG, AND EASTERN CURRY COUNTY, JOSEPHINE COUNTY,  JACKSON COUNTY, THE KLAMATH BASIN, AND CENTRAL AND EASTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with patchy fog again tonight, mostly cloudy with patchy fog and a slight (20%) chance of rain Friday AM, mostly cloudy with a (30%) chance of afternoon rain (under 0.10 in. of rain possible), a (30%) chance of showers Friday night (under 0.10 in. of rain possible), rain likely (60%) Saturday (0.10 in. of rain possible), a good (50%) chance of rain Saturday night (0.10 in. of rain possible), mostly cloudy with a (40%) chance of showers Sunday AM, a slight (20%) chance of afternoon showers, then partly cloudy with a slight (20%) chance of showers Sunday night lows 34-39 then falling to near 35 Saturday night and Sunday night highs near 50. A mix of clouds and sun Monday through Thursday with partly cloudy nights highs 53-49 lows near 36-32. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Partly cloudy with patchy fog late tonight and Friday AM, mostly cloudy with a slight (20%) chance of rain Friday afternoon and night, a good (50%) chance of rain Saturday (snow level 3,500 ft.),  rain likely (60%) Saturday night,  a (30%) chance of showers Sunday, then a slight (20%) chance of showers Sunday evening lows 38-34 high 53-49.  Partly cloudy Monday through Wednesday, mostly cloudy Wednesday night, and just partly cloudy Thursday highs 50-56 lows near 35. (seasonal averages high 52 low 35)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Partly cloudy tonight, mostly cloudy Friday with a (40%) chance of coastal rain and a slight (20%) chance inland, a (30%) chance of rain Friday night, a good (50%) chance of AM coastal rain with afternoon rain likely (60%) Saturday, a good (50%) chance of rain inland, then rain likely (60%) Saturday night, a (40%) chance of showers Sunday, and a slight (20%) chance of  showers Sunday evening lows 44-36 highs near 52. Partly cloudy Monday through Wednesday, mostly cloudy Wednesday night, and just partly cloudy Thursday highs 52-55 lows 39-36. (seasonal averages high 53 low 40).

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Forecast for the Cascades of Lane County: Partly cloudy tonight, more clouds and cooler with a (40%) chance of rain (0.10 in. of rain possible) Friday afternoon (mainly North of Santiam Pass), a (30%) chance of showers and colder Friday night, mostly cloudy with a (40%) chance of rain and snow Saturday and Saturday night, partly cloudy with a (40%) chance of rain and snow showers Sunday, and a (40%) chance of rain and snow showers Sunday night free air freezing level 11,000 ft. tonight, snow level falling from 7,000 ft. to 5,500 ft. Friday afternoon and Friday night, 4,000 ft. Saturday, 3,500 ft. Saturday night, 2,500 ft Sunday, and back up to 3,500 ft. Sunday night lows between 25 and 30 highs 44-34.  A mix of clouds and sun Monday through Wednesday with partly cloudy nights, then partly cloudy with a slight (20%) chance of showers Thursday free air freezing level 5,500 ft. Monday through Tuesday, 7,000 ft. Tuesday night, 6,000 ft. Wednesday and Wednesday night, and 5,000 ft. Thursday highs 40-44 lows 30-34.

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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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Here is my weekly weather quiz question for you. Why are clouds white? It’s actually pretty easy. Please post your answer as a comment by clicking on “no 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.

________________

The jet stream shows a high pressure ridge (shaded “arch” shaped area with blue arrows) building over the Pacific Northwest. The  ridge will protect us at least through the end of the week when the computer models indicate a wet weather pattern may begin as another frontal system moves in. Remember that, particularly this time of the year, when it’s not raining it is usually fogging.

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Advisories:   A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE I-5 CORRIDOR FROM THE PORTLAND AREA SOUTH THROUGH THE EUGENE-SPRINGFIELD AREA. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR ALL OF THE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE AND SPRINGFIELD.  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, INCLUDING ROSEBURG, AND EASTERN CURRY COUNTY, JOSEPHINE COUNTY,  JACKSON COUNTY, THE KLAMATH BASIN, AND CENTRAL AND EASTERN LAKE COUNTY.

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Here are your detailed forecasts. **

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with patchy fog possibly dense again this AM, a mix of clouds and sun in the afternoon, partly cloudy in the evening, mostly cloudy with patchy fog again tonight and Friday AM, mostly cloudy with a slight (20%) chance of AM rain, a (30%) chance of afternoon rain, then mostly cloudy with a slight (20%) chance of rain Friday night highs 47-55 lows 34-38. Mostly cloudy with a (40%) chance of rain Saturday through Sunday night, then a mix of clouds and sun Monday through Wednesday highs 53-49 lows near 38-30. (seasonal  averages highs 48 low 34)

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Forecast for the Umpqua Basin including, Roseburg: Mostly cloudy with patchy fog this AM (some lingering until late AM) , partly cloudy this afternoon, partly cloudy tonight with patchy fog late tonight and Friday AM, mostly cloudy with a slight (20%) chance of rain Friday afternoon and night high 57-53 lows 36-40. Mostly cloudy with a good (50%) chance of rain Saturday, evening showers likely (60%), a good (50%) chance of showers Saturday night and Sunday,  a slight (20%) chance of showers Sunday evening and Monday,  just partly cloudy Monday night and Tuesday, then mostly cloudy Tuesday night and Wednesday highs near 52 lows 38-34. (seasonal averages high 52 low 35)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:  Partly cloudy today and tonight, mostly cloudy with a (30%) chance of coastal rain Friday, a slight (320%) chance inland, a (30%) chance of rain Friday night highs 59-53 lows 42-44. Mostly cloudy with a (40%) chance of AM coastal rain Saturday then afternoon rain likely (60%),  a good (50%) chance of inland afternoon rain, cloudy with evening showers likely (60%), then a (40%) chance of showers late Saturday night, a (30%) chance of AM showers Sunday,  just mostly cloudy Sunday night, mostly cloudy with a  slight (20%) chance of showers Monday, partly cloudy Monday night, then just mostly cloudy Tuesday through Wednesday highs 50-54 lows 42-36. (seasonal averages high 53 low 40).

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Forecast for the Cascades of Lane County: A mix of clouds and sun today, partly cloudy tonight, more clouds and cooler with a (40%) chance of rain Friday afternoon (mainly North of Santiam Pass), a slight (20%) chance of rain and colder Friday night free air freezing level 10,000 ft. today and tonight, snow level falling from 7,000 ft. to 5,500 ft. Friday afternoon, and 5,000 ft. Friday night highs 56-44 lows 30-25. Mostly cloudy with a (40%) chance of rain and snow  showers Saturday and Saturday night, partly cloudy with a (40%) chance of rain and snow showers Sunday, a slight (20%) chance of rain and snow showers Sunday night, then a mix of clouds and sun Monday through Wednesday with partly cloudy nights snow level 4,000 ft. Saturday, 4,000 ft. Saturday  through Sunday night, then a free air freezing level of 6,000 ft. Monday and Monday night, 6,500 ft. Tuesday, 5,000 ft. Tuesday night, and 6,000 ft. Wednesday highs 36-42 lows 23-36.

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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.