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Advisories:  A FROST ADVISORY IS IN EFFECT FROM 10 PM THIS EVENING UNTIL 8 AM MONDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A cold front has moved through bringing clouds and some light rain or drizzle for your Sunday, but a high pressure ridge (“Arch” shape on the jet stream) will bring back the fog and freezing fog to start the workweek. An upper air trough of low pressure (“U” shape on the jet stream) will soon after return the clouds and chances for rain by Wednesday night.

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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 evening fog, areas of fog and patchy freezing fog late tonight and Monday AM, mostly cloudy with patchy lingering fog in the afternoon, patchy evening fog, areas of fog and freezing fog late Monday night and Tuesday AM, mostly cloudy with patchy lingering fog Tuesday afternoon, patchy evening fog, areas of fog late Tuesday night and Wednesday AM, a slight (20%) chance of afternoon rain, then rain likely (60%) Wednesday night lows 30-26 warming to 33 Wednesday night highs 38-43. Mostly cloudy with rain  likely (60%) Thursday, a slight (20%) chance of showers Thursday night, mostly cloudy with areas of fog Friday through Saturday, a slight (20%) chance of rain Saturday night, then mostly cloudy with a slight (20%) chance of showers Sunday highs 43-39 lows near 30. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of snow showers with areas of fog late tonight, cloudy with areas of freezing fog Monday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog Monday night and Tuesday AM, mostly sunny with patchy lingering fog Tuesday afternoon, mostly clear in the evening, partly cloudy with areas of freezing fog late Tuesday night, AM fog, mostly cloudy Wednesday AM, a slight (20%) chance of rain in the afternoon, then rain likely (60%) Wednesday night lows 30-35 highs 40-44. Mostly cloudy with rain likely (60%) Thursday AM, rain and snow likely (60%) in the afternoon, a (30%) chance of rain and snow showers Thursday night, just mostly cloudy Friday, mostly cloudy with freezing fog Friday night and Saturday, a slight (20%) chance of rain Saturday night, then mostly cloudy with a (30%) chance of rain Sunday highs 40-43 lows 32-28. (seasonal averages high 48 low 36)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy this  evening, partly cloudy with areas of fog late tonight and Monday AM, partly cloudy in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog late Monday night, cloudy Tuesday AM, partly cloudy in the afternoon and evening with a slight (20%) chance of evening coastal showers, areas of fog late Tuesday night, AM fog, mostly cloudy with a good (50%) chance of rain Wednesday afternoon, then rain likely (60%) Wednesday night lows 33-42 highs 49-44. Mostly cloudy with rain likely (60%) Thursday, a (40%) chance of showers Thursday night, partly cloudy Friday, mostly cloudy with areas of fog Friday night, mostly cloudy Saturday, a slight (20%) chance of rain Saturday night, then mostly cloudy with a (30%) chance of rain Sunday highs near 45-50 lows near 34. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with with a (30%) chance of drizzle or flurries this evening, a slight (20%) chance of drizzle or flurries late tonight, a mix of clouds and sun Monday AM, mostly sunny ion the afternoon, partly cloudy Monday night, a mix of clouds and sun Tuesday, mostly cloudy Tuesday night and Wednesday AM, a mix of clouds and sun in the afternoon, then rain and snow likely (60%) Wednesday night snow level at the surface tonight, free air freezing level at the surface rising to 3,500 ft. Monday afternoon, 4,000 ft. Monday night and Tuesday, snow level 4,500 ft. Tuesday night, 5,000 ft. Wednesday, then 3,500 ft. Wednesday night lows 22-27 highs 33-37. Mostly cloudy with rain or snow likely (60%) Thursday, a (40%) chance of snow showers Thursday night, a mix of clouds and sun Friday, partly cloudy Friday night, a mix of clouds and sun Saturday, mostly cloudy with a slight (20%) chance of rain and snow Saturday night, then a mix of clouds and sun with a slight (20%) chance of rain and snow showers Sunday snow level 3,000 ft. Thursday, at the surface Thursday night, free air freezing level at the surface Friday and Friday night, rising to 5,500 ft. Saturday, snow level 4,000 ft. Saturday night, then 3,500 ft. Sunday highs 33-38 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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Advisories:  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A cold front is moving in bringing clouds and a chance of rain, but a high pressure ridge (“Arch” shape on the jet stream) will bring back the fog and freezing fog to start the workweek. An upper air trough of low pressure (“U” shape on the jet stream) will soon after return the clouds and chances for rain.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with patchy fog and a slight (20%) chance of sprinkles and light drizzle and patchy freezing fog this AM, a slight (20%) chance of afternoon showers, mostly cloudy with areas of fog and patchy freezing fog late tonight and Monday AM, a mix of clouds and sun in the afternoon, mostly cloudy with patchy evening fog, areas of fog late Monday night and Tuesday AM, mostly cloudy Tuesday afternoon, then mostly cloudy with a (30%) chance of rain Tuesday night highs 40-43 lows 28-33. Mostly cloudy with a (30%) chance of rain Wednesday, a good (50%) chance of rain Wednesday night, cloudy with a (40%) chance of rain Thursday, mostly cloudy with a (30%) chance of rain Thursday night, a mix of clouds and sun with a  slight (20%) chance of rain Friday, then just mostly cloudy Friday night and Saturday highs 43-39 lows 34-30. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of rain with patchy fog this AM (snow level 2,000 ft.), a slight (20%) chance of showers in the afternoon, a slight (20%) chance of rain and snow showers with patchy fog tonight, cloudy with areas of freezing fog Monday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog Monday night and Tuesday AM, mostly cloudy Tuesday afternoon, a slight (20%) chance of rain Tuesday night highs 42-46 cooling to 42 Tuesday lows 30-35. Mostly cloudy with a (40%) chance of rain Wednesday, rain likely (60%) Wednesday night and Thursday, a (30%) chance of rain and snow showers Thursday night, then just mostly cloudy Friday through Saturday highs 47-42 lows 36-32. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of rain with areas of fog this AM, partly cloudy with a slight (20%) chance of showers this afternoon, mostly cloudy in the evening, partly cloudy with areas of fog late tonight and Monday AM, partly cloudy in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog late Monday night, mostly cloudy Tuesday, then a slight (20%) chance of rain Tuesday night highs 47-50 lows 33-38. Mostly cloudy with a good (50%) of rain Wednesday, rain likely (60%) Wednesday night and Thursday, a (40%) chance of showers Thursday night, partly cloudy with a slight (20%) chance of showers Friday, then just mostly cloudy Friday night and Saturday highs near near 50 lows 40-35. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Mostly cloudy with with a slight (20%) chance of sprinkles and light snow today, a slight (20%) chance of snow showers this evening, partly cloudy Monday, partly cloudy Monday night, partly cloudy Tuesday AM, mostly cloudy Tuesday afternoon, then mostly cloudy with a (40%) chance of rain and snow Tuesday night snow level 2,500 ft. today, free air freezing level at the surface late tonight,  3,500 ft. Monday afternoon, 5,000 ft. falling to 4,500 ft. Monday night, 6,000 ft. Tuesday, then snow level 5,000 ft. Tuesday night highs 33-37 lows 22-27. Mostly cloudy with a (40%) chance of rain and snow Wednesday, a good (50%) chance of rain and snow Wednesday night and Thursday, a (40%) chance of rain and snow Thursday night, a mix of clouds and sun with a (30%) chance of rain and snow Friday, partly cloudy Friday night, then a mix of clouds and sun Saturday snow level 4,500 ft. Wednesday and Wednesday night, 3,500 ft. Thursday, at the surface Thursday night, and Friday, free air freezing level at the surface Friday night, then rising to 6,000 ft. Saturday highs 38-33 warming to 38 Saturday 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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We have a Winner! Congratulations to Vanessa.  You are the winner of this week’s weather quiz question. Just go to the contact section of my website and email me at the address shown there to let me know when you might want to use your week of personalized forecasts. Phillip Roberts answered correctly too, but Vanessa was first.

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Here is my weekly weather quiz question repeated for the last time. Define the term “deliquescence.” here is Vanessa’s correct answer. “deliquescence: the ability of a substance to attract and hold water molecules from the surrounding environment.” Humid days are hazy because many particles in the air absorb water vapor and grow large enough to scatter all light waves as humidity increases. When the humidity is less than 100%, the growth and added water absorption of a particle is called “deliquescence.” I’ll have a new weekly weather quiz question for you starting next 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.

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

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A cold front is moving in bringing clouds and a chance of rain, but a high pressure ridge (“Arch” shape on the jet stream) will bring back the fog and freezing fog to start the workweek. An upper air trough of low pressure (“U” shape on the jet stream) will soon after return the clouds and chances for rain.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with patchy fog and a slight (20%) chance of sprinkles and light drizzle and patchy freezing fog late tonight and Sunday AM, a slight (20%) chance of afternoon showers, mostly cloudy with areas of fog and patchy freezing fog late Sunday night and Monday AM, a mix of clouds and sun in the afternoon, mostly cloudy with patchy evening fog, areas of fog late Monday night and Tuesday AM, a slight (20%) chance of rain in the afternoon, then mostly cloudy with a (30%) chance of rain Tuesday night lows 32-26 warming to 34 Tuesday night highs 42-38 warming to 43 Tuesday. Mostly cloudy with a (30%) chance of rain Wednesday, a good (50%) chance of rain Wednesday night, cloudy with a (40%) chance of rain Thursday, mostly cloudy with a (30%) chance of rain Thursday night, a mix of clouds and sun with a  slight (20%) chance of rain Friday, then just mostly cloudy Friday night and Saturday highs 43-39 lows 34-30. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of showers this evening, a slight (20%) chance of rain with patchy fog late tonight (snow level 3,000 ft.) and Sunday AM (snow level 2,000 ft.), a slight (20%) chance of showers in the afternoon, a slight (20%) chance of rain and snow showers with patchy fog Sunday night, cloudy with areas of freezing fog Monday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog Monday night and Tuesday AM with a slight (20%) chance of AM showers, mostly cloudy with a slight (20%) chance of rain Tuesday afternoon and Tuesday night lows 35-30 warming to 35 Tuesday night highs 42-46 cooling to 42 Tuesday. Mostly cloudy with a (40%) chance of rain Wednesday, a good (50%) chance of rain Wednesday night and Thursday, a (30%) chance of rain and snow Thursday night, then just mostly cloudy Friday through Saturday highs 47-42 lows 36-32. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of showers this evening, a slight (20%) chance of rain with areas of fog tonight and Sunday AM, partly cloudy with a slight (20%) chance of coastal showers Sunday afternoon and a slight (20%) chance of afternoon showers inland, mostly cloudy in the evening, partly cloudy with areas of fog late Sunday night and Monday AM, partly cloudy in the afternoon, mostly clear in the evening, mostly cloudy with areas of fog late Monday night, a slight (20%) chance of AM showers Tuesday, then a (30%) chance of rain in the afternoon and Tuesday night lows 38-32 warming to 37 Tuesday night highs 47-50. Mostly cloudy with a good (50%) of rain Wednesday, a good (50%) chance of rain Wednesday night and Thursday, a (40%) chance of showers Thursday night, partly cloudy with a slight (20%) chance of showers Friday, then just mostly cloudy Friday night and Saturday highs near near 50 lows 40-35. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Partly cloudy this evening, mostly cloudy with a slight (20%) chance of sprinkles, drizzle, and snow flurries late tonight, a mix of clouds and sun with with a slight (20%) chance of sprinkles, drizzle, and snow flurries Sunday AM, mostly cloudy with a slight (20%) chance of rain and snow showers in the afternoon and evening, partly cloudy Monday, mostly cloudy Monday night, a slight (20%) chance of rain and snow Tuesday afternoon, then mostly cloudy with a (40%) chance of rain and snow Tuesday night snow level 4,000 ft. tonight, 3,000 ft. Sunday, 2,500 ft. Sunday night, free air freezing level 4,000 ft. Monday, 4,500 ft. Monday night, then snow level 5,000 ft. Tuesday and Tuesday night lows 26-20 warming to 27 Tuesday night highs 33-37. Mostly cloudy with a (40%) chance of rain and snow Wednesday, a good (50%) chance of rain and snow Wednesday night and Thursday, a (40%) chance of rain and snow Thursday night, a mix of clouds and sun with a (30%) chance of rain and snow Friday, partly cloudy Friday night, then a mix of clouds and sun Saturday snow level 4,500 ft. Wednesday and Wednesday night, 3,500 ft. Thursday, at the surface Thursday night, and Friday, free air freezing level at the surface Friday night, then rising to 6,000 ft. Saturday highs 38-33 warming to 38 Saturday 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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We have a Winner! Congratulations to Vanessa.  You are the winner of this week’s weather quiz question. Just go to the contact section of my website and email me at the address shown there to let me know when you might want to use your week of personalized forecasts. Phillip Roberts answered correctly too, but Vanessa was first.

________________

Here is my weekly weather quiz question repeated for the last time. Define the term “deliquescence.” here is Vanessa’s correct answer. “deliquescence: the ability of a substance to attract and hold water molecules from the surrounding environment.” Humid days are hazy because many particles in the air absorb water vapor and grow large enough to scatter all light waves as humidity increases. When the humidity is less than 100%, the growth and added water absorption of a particle is called “deliquescence.” I’ll have a new weekly weather quiz question for you starting next 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.

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

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A high pressure ridge (“Arch” shape on the jet stream) has been keeping us cold. That also means that our air quality has been suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge is slidding over to be replaced by a low pressure trough (“U” shape on the jet stream) allowing more clouds, warmer temperatures, and maybe even a chance of precipitation returning over the weekend.

_________________

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 areas of fog and freezing fog this AM, mostly cloudy with patchy fog in the afternoon, mostly cloudy with a slight (20%) chance of rain in the evening, a (30%) chance of rain late tonight, a (30%) chance of showers Sunday AM, a slight (20%) chance of afternoon showers, mostly cloudy with areas of fog and patchy freezing fog late Sunday night and Monday AM, a mix of clouds and sun in the afternoon, then just mostly cloudy Monday night highs 45-37 lows 32-26. Mostly cloudy with a (30%) chance of rain Tuesday and Tuesday night, mostly cloudy with a good (50%) chance of rain Wednesday and Wednesday night, cloudy with a (40%) chance of rain Thursday and Thursday night, then mostly cloudy with a (30%) chance of rain Friday highs 45-42 lows 35-30. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of fog and freezing fog this AM, mostly cloudy with patchy lingering afternoon fog, patchy evening fog, mostly cloudy with a slight (20%) chance of showers late tonight (snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday (snow level 3,000 ft.), mostly cloudy Sunday evening, partly cloudy with patchy freezing fog late Sunday night and Monday AM, partly cloudy in the afternoon, then mostly cloudy with areas of fog Monday night highs 42-47 cooling to 42 Monday lows 34-30. Patchy AM fog, mostly cloudy with a slight (20%) chance of rain Tuesday afternoon and night, mostly cloudy with a (40%) chance of rain Tuesday night through Thursday night, then just mostly cloudy Friday highs 42-47 cooling to 42 Thursday lows 32-35. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of fog and patchy freezing fog this AM, a slight (20%) chance of AM coastal rain, mostly cloudy with patchy lingering fog this afternoon, patchy evening fog, mostly cloudy with a (40%) chance of showers tonight and Sunday, partly cloudy with a slight (20%) chance of showers Sunday evening, mostly cloudy late Sunday night, partly cloudy Monday, then mostly cloudy Monday night highs 45-50 lows 33-36. Patchy AM fog, mostly cloudy with a slight (20%) of rain Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night, a good (50%) chance of rain Wednesday through Thursday night, then mostly cloudy with a slight (20%) chance of rain Friday highs near 48-52 lows 42-36 warming to 42 Thursday night. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Partly cloudy today and this evening, partly cloudy with a slight (20%) chance of rain and snow tonight, mostly cloudy with a (40%) chance of rain and snow showers Sunday AM, colder with a slight (20%) chance of rain and snow showers in the afternoon, mostly cloudy in the evening,  partly cloudy late Sunday night and Monday, then mostly cloudy Monday night free air freezing level 6,500 ft. today, snow level 4,000 ft. tonight, 3,000 ft. Sunday, 4,000 ft. Sunday night, free air freezing level 4,000 ft. Monday, then 4,500 ft. Monday night highs 45-30 warming to 38 Monday lows 24-20 warming to 27 Monday night. Mostly cloudy Tuesday with a slight (20%) chance of rain and snow, a (40%) chance of rain and snow Tuesday night, a good (50%) chance of rain and snow Wednesday through Thursday, a (40%) chance of rain and snow Thursday night, then mostly cloudy with a (30%) chance of rain and snow Friday snow level 5,000 ft. Tuesday, 3,500 ft. Tuesday night and Wednesday, 3,000 ft. Wednesday night and Thursday, 2,500 ft. Thursday night, then 3,500 ft. Friday highs 36-33 lows 27-24.

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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.

________________

________________

Here is my weekly weather quiz question. This is your last chance to answer this week’s question. Define the term “deliquescence.” 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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Advisories:  A FREEZE WARNING IS IN EFFECT  11 PM TONIGHT UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A high pressure ridge (“Arch” shape on the jet stream) has been keeping us cold. That also means that our air quality has been suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge is slidding over to be replaced by a low pressure trough (“U” shape on the jet stream) allowing more clouds, warmer temperatures, and maybe even a chance of precipitation returning over the weekend. The full ” Cold” moon will occur Saturday at 6:36 AM and there will be a total eclipse of the moon starting just before dawn, 4:45 AM to 8:18 AM, but the clouds or fog will probably cover the sky even. You might want to give it a try anyway, but make sure you dress warm. And yes, you can look directly at a lunar eclipse because it is only reflected light from the sun.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with areas of fog and freezing fog late tonight and Saturday AM, mostly cloudy with patchy fog in the afternoon, mostly cloudy with a slight (20%) chance of rain in the evening, a (30%) chance of rain late Saturday night, a (30%) chance of showers Sunday AM, a slight (20%) chance of afternoon showers, mostly cloudy with areas of fog and patchy freezing fog late Sunday night and Monday AM, a mix of clouds and sun in the afternoon, then just mostly cloudy Monday night lows 29-33 cooling to 26 Monday night  highs 45-37. Mostly cloudy with a (30%) chance of rain Tuesday and Tuesday night, mostly cloudy with a good (50%) chance of rain Wednesday and Wednesday night, cloudy with a (40%) chance of rain Thursday and Thursday night, then mostly cloudy with a (30%) chance of rain Friday highs 45-42 lows 35-30. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of fog this evening, clearing with areas of fog and freezing fog late tonight and Saturday AM, mostly cloudy with patchy lingering afternoon fog, patchy evening fog, mostly cloudy with a slight (20%) chance of showers late Saturday night (snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday (snow level 3,000 ft.), mostly cloudy Sunday evening, partly cloudy with patchy freezing fog late Sunday night and Monday AM, partly cloudy in the afternoon, then mostly cloudy with areas of fog Monday night lows 34-30 highs 42-47 cooling to 42 Monday. Patchy AM fog, mostly cloudy with a slight (20%) chance of rain Tuesday afternoon and night, mostly cloudy with a (40%) chance of rain Tuesday night through Thursday night, then just mostly cloudy Friday highs 42-47 cooling to 42 Thursday lows 32-35. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, mostly cloudy with areas of patchy fog and freezing fog late tonight, areas of fog and patchy freezing fog Saturday AM, a slight (20%) chance of AM coastal rain, mostly cloudy with patchy lingering fog Saturday afternoon, patchy evening fog, mostly cloudy with a (40%) chance of showers Saturday night and Sunday, partly cloudy with a slight (20%) chance of showers Sunday evening, mostly cloudy late Sunday night, partly cloudy Monday, then mostly cloudy Monday night lows 30-36 highs 45-50. Patchy AM fog, mostly cloudy with a slight (20%) of rain Tuesday, mostly cloudy with a slight (20%) chance of rain Tuesday night, a good (50%) chance of rain Wednesday through Thursday night, then mostly cloudy with a slight (20%) chance of rain Friday highs near 48-52 lows 42-36 warming to 42 Thursday night. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Mostly clear tonight, partly cloudy Saturday and Saturday  evening, partly cloudy with a slight (20%) chance of rain and snow Saturday night, mostly cloudy with a (40%) chance of rain and snow showers Sunday AM, colder with a slight (20%) chance of snow showers in the afternoon, mostly cloudy in the evening,  partly cloudy late Sunday night and Monday, then mostly cloudy Monday night free air freezing level 9,000 ft. tonight, 6,500 ft. Saturday, snow level 4,000 ft. Saturday night, 3,000 ft. Sunday, 4,000 ft. Sunday night, free air freezing level 4,000 ft. Monday, then 4,500 ft. Monday night lows 29-20 warming to 27 Monday night highs 45-30 warming to 38 Monday. Mostly cloudy Tuesday with a slight (20%) chance of rain and snow, a (40%) chance of rain and snow Tuesday night, a good (50%) chance of rain and snow Wednesday through Thursday, a (40%) chance of rain and snow Thursday night, then mostly cloudy with a (30%) chance of rain and snow Friday snow level 5,000 ft. Tuesday, 3,500 ft. Tuesday night and Wednesday, 3,000 ft. Wednesday night and Thursday, 2,500 ft. Thursday night, then 3,500 ft. Friday highs 36-33 lows 27-24.

________________

**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.

________________

________________

Here is my weekly weather quiz question. Today is your last day to answer this week’s question. Define the term “deliquescence.” 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.

_________________

Advisories:  A FREEZE WARNING IS IN EFFECT  11 PM TONIGHT UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 9 AM SATURDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A high pressure ridge (“Arch” shape on the jet stream) is keeping us cold with some possible sunshine, at least outside the Southern Willamette valley as long as the fog clears. That also means that our air quality is still suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge will slide over  to be replaced by a low pressure trough (“U” shape on the jet stream) allowing more clouds, warmer temperatures, and maybe even a chance of precipitation returning over the weekend as a cold front moves in from the northwest. The full ” Cold” moon will occur Saturday at 6:36 AM and there will be a total eclipse of the moon just before dawn, but the clouds will probably cover the sky even if it doesn’t rain.

_________________

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 areas of fog and freezing fog this AM, patchy lingering fog in the afternoon and evening, mostly cloudy with areas of fog and freezing fog late tonight and Saturday AM, patchy fog in the afternoon, mostly cloudy with a slight (20%) chance of rain in the evening, a (30%) chance of rain late Saturday night and Sunday AM, then mostly cloudy with areas of fog and patchy freezing fog late Sunday night highs 38-45 cooling  to 42 Sunday lows 28-32 cooling to 27 Sunday night. Areas of fog and patchy freezing fog Monday AM, a mix of clouds and sun Monday afternoon, mostly cloudy Monday night, mostly cloudy with a (30%) chance of rain Tuesday and Tuesday night, then mostly cloudy with a (40%) chance of rain Wednesday through Thursday highs near 45 lows 32-36 cooling to near 32 Wednesday night. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog and freezing this  AM, partly cloudy with patchy lingering fog this afternoon and evening, areas of fog and freezing fog late tonight and Saturday AM, mostly cloudy with patchy lingering afternoon fog, then mostly cloudy with a slight (20%) chance of light rain and drizzle Saturday evening, a slight (20%) chance of rain late Saturday night (snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday (snow level 3,000 ft.), then partly cloudy with patchy freezing fog Sunday night highs 35-48 lows 30-33. Patchy freezing fog, partly cloudy with patchy freezing fog Monday,  mostly cloudy with areas of patchy fog Monday night, areas of fog Tuesday AM, mostly cloudy with a (30%) chance of rain in the afternoon, mostly cloudy with a (30%) chance of showers Tuesday night through Wednesday night, areas of fog Thursday AM, then mostly cloudy with a (40%) chance of showers Thursday afternoon highs 42-47 cooling to 42 Thursday lows 32-35. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of frost, patchy fog and freezing fog this AM, partly cloudy with patchy lingering fog this afternoon, mostly cloudy with areas of patchy fog and freezing fog late tonight, areas of fog and patchy freezing fog Saturday AM, mostly cloudy with patchy lingering fog Saturday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of light rain or drizzle Saturday evening, then a good (50%) chance of rain late at night, mostly cloudy with a (30%) chance of showers Sunday, partly cloudy with a slight (20%) chance of showers Sunday evening, then mostly cloudy late Sunday night highs 52-47 lows 32-36. Partly cloudy Monday, mostly cloudy Monday night, a good (50%) of rain Tuesday, mostly cloudy with a (30%) chance of showers Tuesday night through Wednesday night, areas of AM fog, then mostly cloudy with a (40%) chance of showers Thursday highs near 50-46 lows 34-39. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Sunny today, mostly clear tonight, partly cloudy Saturday and Saturday  evening, mostly cloudy with a slight (20%) chance of rain and snow Saturday night, mostly cloudy with a (40%) chance of rain and snow showers and colder Sunday, mostly cloudy with a slight (20%) chance of snow showers in the evening, then partly cloudy late Sunday night free air freezing level 9,000 ft. today and tonight, 6,500 ft. Saturday,  snow level 3,500 ft. Saturday night, then 3,000 ft. Sunday and Sunday night highs 40-45 cooling to32 Sunday lows 28-22. Partly cloudyMonday, mostly cloudy Monday night, a (30%) chance of rain and snow Tuesday, a good (50%) chance of rain and snow Tuesday night, a (40%) chance of rain and snow Wednesday and Wednesday night, then a good (50%) chance of rain and snow Thursday free air freezing level 5,000 ft. Monday and Monday night, snow level 4,500 ft. Tuesday, 3,000 ft. Tuesday night, 3,500 ft. Wednesday, 3,000 ft. Wednesday night, then 3,500 ft. Thursday highs 37-33 lows near 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.

________________

________________

Here is my weekly weather quiz question. Define the term “deliquescence.” 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.

_________________

Advisories:  A FREEZE WARNING IS IN EFFECT FROM 11 PM TONIGHT UNTIL 9 AM FRIDAY FOR THE SOUTH CENTRAL OREGON COAST. A FROST ADVISORY IS IN EFFECT FROM 11 PM TONIGHT UNTIL 9 AM FRIDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. A FREEZE WATCH IS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A high pressure ridge (“Arch” shape on the jet stream) is keeping us cold with some possible sunshine, at least outside the Southern Willamette valley as long as the fog clears. That also means that our air quality is still suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge will slide over allowing more clouds, warmer temperatures, and maybe even a chance of precipitation returning over the weekend as a cold front moves in from the northwest. The full ” Cold” moon will occur Saturday at 6:36 AM and there will be a total eclipse of the moon just before dawn, but the clouds will probably cover the sky even if it doesn’t rain.

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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 evening fog, areas of fog and patchy freezing fog late tonight, cloudy areas of fog and freezing fog Friday AM, patchy lingering fog in the afternoon and evening, mostly cloudy with areas of fog and freezing fog late Friday night and Saturday AM, patchy fog in the afternoon, mostly cloudy with a slight (20%) chance of showers Saturday night and Sunday, then mostly cloudy with areas of fog and patchy freezing fog Sunday night lows 26-32 highs 38-45. Areas of fog and patchy freezing fog Monday AM, mostly cloudy Monday afternoon and Monday night, mostly cloudy with a (30%) chance of rain Tuesday and Tuesday night, then mostly cloudy with a (40%) chance of rain Wednesday through Thursday highs near 45 lows 32-36 cooling to near 32 Wednesday night. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog and freezing fog late tonight and Friday AM, partly cloudy with patchy lingering fog Friday afternoon and evening, areas of fog and freezing fog late Friday night and Saturday AM, mostly cloudy with patchy lingering afternoon fog, then mostly cloudy with a slight (20%) chance of light rain and drizzle Saturday evening, a slight (20%) chance of rain late Saturday night (snow level 3,500 ft.), mostly cloudy with a (30%) chance of showers Sunday, then partly cloudy with patchy freezing fog Sunday night lows near 32 highs 35-48. Patchy freezing fog, partly cloudy Monday,  mostly cloudy with areas of patchy fog Monday night, areas of fog Tuesday AM, mostly cloudy with a (30%) chance of rain in the afternoon, mostly cloudy with a (30%) chance of showers Tuesday night through Wednesday night, areas of fog Thursday AM, then mostly cloudy with a (40%) chance of showers Thursday afternoon highs 42-48 cooling to 43 Thursday lows 32-35. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening,  mostly cloudy with areas of frost, patchy fog and freezing fog late tonight and Friday AM, mostly sunny Friday afternoon, mostly clear in the evening, mostly cloudy with areas of with patchy fog and freezing fog late Friday night, areas of fog and patchy freezing fog Saturday AM, mostly cloudy with patchy lingering fog Saturday afternoon, mostly cloudy with patchy fog and a slight (20%) chance of light rain or drizzle Saturday evening, then a good (50%) chance of rain late at night, mostly cloudy with a (30%) chance of showers Sunday, partly cloudy with a slight (20%) chance of showers Sunday evening, then mostly cloudy late Sunday night lows 28-36 highs 52-47. Partly cloudy Monday, mostly cloudy Monday night, a good (50%) of rain Tuesday, mostly cloudy with a (30%) chance of showers Tuesday night through Wednesday night, areas of AM fog, then mostly cloudy with a (40%) chance of showers Thursday highs near 50 lows 34-39. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Clear tonight, sunny Friday, mostly clear Friday night, partly cloudy Saturday and Saturday night, a mix of clouds and sun with a a slight (20%) chance of rain and snow showers Sunday AM, mostly cloudy with a (30%) chance of rain and snow showers in the afternoon, then just partly cloudy Sunday night free air freezing level 9,000 ft. tonight through Friday night, 7,000 ft. Saturday,  5,500 ft. Saturday night, snow level 3,500 ft. Sunday, then free air freezing level 4,000 ft. Sunday night lows 26-22 highs 50-35 . A mix of clouds and sun Monday, mostly cloudy Monday night, a mix of clouds and sun with a (30%) chance of rain and snow Tuesday, a good (50%) chance of rain and snow Tuesday night, a (40%) chance of rain and snow Wednesday and Wednesday night, then a good (50%) chance of rain and snow Thursday free air freezing level 4,000 ft. Sunday night and Monday, 6,500 ft. Monday night, snow level 3,500 ft. Tuesday through Wednesday, then 3,500 ft. Thursday highs near 36 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.

________________

________________

Here is my weekly weather quiz question. Define the term “deliquescence.” 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.

_________________

Advisories:  A FREEZE WATCH IS IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING FOR THE SOUTH CENTRAL OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE ENTIRE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

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A high pressure ridge (“Arch” shape on the jet stream) is keeping us cold with some possible sunshine, at least outside the Southern Willamette valley as long as the fog clears. That also means that our air quality is suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge will slide over allowing more clouds, warmer temperatures, and maybe a chance of precipitation returning over the weekend as a cold front moves in from the northwest. The full ” Cold” moon will occur Saturday at 6:36 AM, but the clouds will probably cover the sky even if it doesn’t rain.

_________________

Here are your detailed forecasts.**

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Areas of fog and freezing again this AM, mostly cloudy with some lingering fog this afternoon, mostly cloudy with patchy evening fog, areas of fog and patchy freezing fog late tonight and Friday AM, cloudy with some patchy lingering fog in the afternoon, patchy evening fog, mostly cloudy with areas of fog and freezing fog late Friday night and very early Saturday AM, then mostly cloudy with a slight (20%) chance of showers Saturday afternoon and Saturday night highs 39-35 warming to 40 Saturday lows 27-32. Mostly cloudy with a slight (20%) chance of showers Sunday, areas of fog and patchy freezing fog late Sunday night and Monday AM, mostly cloudy Monday and Monday night, mostly cloudy with a slight (20%) chance of rain Tuesday, a (30%) chance of rain Tuesday night, then mostly cloudy with a (40%) chance of rain Wednesday highs near 45 lows 30-34. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with areas of fog and freezing fog this AM, partly cloudy this afternoon and evening with patchy fog in the evening, becoming mostly clear with areas of fog and freezing fog late tonight and Friday AM, partly cloudy with patchy lingering fog Friday afternoon, mostly clear with patchy evening fog, areas of fog and freezing fog late Friday night and Saturday AM, mostly cloudy with patchy lingering afternoon fog, then mostly cloudy with a slight (20%) chance of light rain and drizzle Saturday night highs 44-48 lows 32-28 warming to near 32 Saturday night. Mostly cloudy with AM patchy fog, mostly cloudy with a slight (20%) chance of showers Sunday, partly cloudy with patchy freezing fog Sunday night and Monday, mostly cloudy Monday night, a (30%) chance of rain Tuesday, then mostly cloudy with a (30%) chance of rain and snow showers Tuesday night and Wednesday highs 46-42 warming to 47 Wednesday lows 30-34. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with areas of frost, patchy fog and freezing fog this AM, partly cloudy in the afternoon, partly cloudy with patchy fog and freezing fog late tonight and Friday AM, partly cloudy Friday afternoon, partly cloudy in the evening, mostly cloudy with areas of coastal fog late Friday night and areas of fog and freezing fog inland Friday night, patchy AM fog and freezing fog Saturday, mostly cloudy with lingering fog Saturday afternoon, mostly cloudy with a slight (20%) chance of light rain or drizzle Saturday night highs 48-52 cooling to 43 Saturday lows 32-36. Mostly cloudy with a slight (20%) chance of rain Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night and Wednesday highs near 50 lows 34-39. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Sunny today, clear tonight, sunny Friday, clear in the evening, mostly clear Friday night, partly cloudy Saturday, mostly cloudy with a with a slight (20%) chance of rain and snow showers Saturday night free air freezing level 8,000 ft. today, 9,000 ft. tonight through Friday night, 7,000 ft. Saturday, then snow level 4,000 ft. Saturday night highs 44-50 cooling to near 45 Saturday lows 26-22. A mix of clouds and sun with a slight (20%) chance of rain and snow showers Sunday, partly cloudy Sunday night, a mix of clouds and sun Monday, mostly cloudy Monday night, a mix of clouds and sun with a slight (20%) chance of rain and snow Tuesday, then mostly cloudy with a (30%) chance of rain and snow Tuesday night and Wednesday snow level 3,000 ft. Sunday, free air freezing level 4,000 ft. Sunday night and Monday, 6,500 ft. Monday night, snow level 4,000 ft. Tuesday, then 3,500 ft. Tuesday night and Wednesday highs 35-38 cooling to 35 Wednesday lows 20-25.

________________

**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.

________________

________________

Here is my weekly weather quiz question. Define the term “deliquescence.” 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.

_________________

Advisories:  A FREEZE WARNING IS IN EFFECT FROM 11 PM TONIGHT THROUGH 9 AM THURSDAY FOR THE SOUTH CENTRAL OREGON COAST.  A FROST ADVISORY IS IN EFFECT FROM 11 PM TONIGHT THROUGH 9 AM THURSDAY FOR THE SOUTH CENTRAL AND SOUTH OREGON COAST. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE ENTIRE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL NOON SATURDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

________________

A high pressure ridge (“Arch” shape on the jet stream) is keeping us cold with some possible sunshine, as long as the fog clears. So, for the rest of the work week we’ll see at least some sunshine after the late night and early AM fog and/or freezing fog clear out. That also means that our air quality is suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge will slide over allowing more clouds, warmer temperatures, and maybe a chance of precipitation returning over the weekend as a cold front moves in from the northwest.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Cloudy with patchy fog this evening, areas of fog and freezing again late tonight and Thursday AM, mostly cloudy with some lingering fog Thursday afternoon, mostly cloudy with patchy evening fog, areas of fog and patchy freezing fog late Thursday night and Friday AM, cloudy with some patchy lingering fog in the afternoon, patchy evening fog, mostly cloudy with areas of fog and freezing fog late Friday night and very early Saturday AM, then mostly cloudy with a slight (20%) chance of showers Saturday afternoon and Saturday night lows 32-26 then warming to 32 Saturday night highs 36-45. Mostly cloudy with a slight (20%) chance of showers Sunday, areas of fog and patchy freezing fog late Sunday night and Monday AM, mostly cloudy Monday and Monday night, mostly cloudy with a slight (20%) chance of rain Tuesday, a (30%) chance of rain Tuesday night, then mostly cloudy with a slight (20%) chance of rain Wednesday highs 47-44 lows 30-34. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of fog this evening, mostly cloudy with areas of fog and freezing fog late tonight, sunny with areas of fog and freezing fog Thursday AM, partly cloudy with patchy fog in the evening, becoming mostly clear with areas of fog and freezing fog late Thursday night and Friday AM, sunny with patchy lingering fog Friday afternoon, mostly clear with patchy evening fog, areas of fog and freezing fog late Friday night and Saturday AM, mostly cloudy with patchy lingering afternoon fog, then mostly cloudy with a slight (20%) chance of light rain and drizzle Saturday night lows 27-33 highs 45-40 warming to near 47 Saturday. Mostly cloudy with AM patchy fog, mostly cloudy with a slight (20%) chance of showers Sunday, partly cloudy with patchy freezing fog Sunday night and Monday, mostly cloudy Monday night, a (30%) chance of rain Tuesday, then mostly cloudy with a (30%) chance of rain and snow showers Tuesday night and Wednesday highs 46-42 warming to 47 Wednesday lows 30-34. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy this evening, mostly cloudy with areas of frost, patchy fog and freezing fog late tonight and Thursday AM, partly cloudy in the afternoon, mostly clear in the evening, partly cloudy with patchy fog and freezing fog late Thursday night and Friday AM, sunny Friday afternoon, partly cloudy in the evening, mostly cloudy with areas of coastal fog late Friday night and areas of fog and freezing fog inland Friday night, patchy AM fog and freezing fog Saturday, mostly cloudy with lingering fog Saturday afternoon, mostly cloudy with a slight (20%) chance of light rain or drizzle Saturday night lows 32-36 highs 52-49. Mostly cloudy with a slight (20%) chance of rain Tuesday, then mostly cloudy with a (30%) chance of showers Tuesday night and Wednesday highs near 50 lows 34-39. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Mostly clear tonight, sunny Thursday, clear Thursday night, sunny Friday, clear in the evening, partly cloudy Friday night, a mix of clouds and sun Saturday, mostly cloudy with a with a slight (20%) chance of rain and snow showers Saturday night free air freezing level 9,000 ft. tonight, 8,000 ft. Thursday, 9,000 ft. Thursday night through Friday night, 7,000 ft. Saturday, then snow level 4,000 ft. Saturday night lows 25-22 highs 44-37. A mix of clouds and sun with a slight (20%) chance of rain and snow showers Sunday, partly cloudy Sunday night, a mix of clouds and sun Monday, mostly cloudy Monday night, a mix of clouds and sun with a slight (20%) chance of rain and snow Tuesday, then mostly cloudy with a (30%) chance of rain and snow Tuesday night and Wednesday snow level 3,500 ft. Sunday, free air freezing level 4,000 ft. Sunday night and Monday, 6,500 ft. Monday night, then snow level 3,500 ft. Tuesday through Wednesday highs 35-38 lows 20-25 cooling to near 20 Tuesday night.

________________

**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.

________________

________________

Here is my weekly weather quiz question. Define the term “deliquescence.” 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.

_________________

Advisories:  A FREEZE WATCH IS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AM FOR THE SOUTH CENTRAL OREGON COAST.  AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 4 PM FRIDAY FOR THE ENTIRE I-5 CORRIDOR FROM PORTLAND SOUTH THROUGH EUGENE. AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 10 AM THURSDAY FOR CENTRAL DOUGLAS COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS, EASTERN CURRY COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, CENTRAL, EASTERN, AND WESTERN LAKE COUNTY, JOSEPHINE COUNTY, AND JACKSON COUNTY.

________________

A high pressure ridge (“Arch” shape on the jet stream) is keeping us cold with some sunshine, as long as the fog clears. So, for the rest of the work week we’ll see at least some sunshine after the late night and early AM fog and/or freezing fog clear out. That also means that our air quality is suffering with the sinking air of high pressure holding on to the pollutants at the surface. The ridge will slide over then past us allowing more clouds and maybe a chance of precipitation returning over the weekend as a cold front moves in from the northwest.

_________________

Here are your detailed forecasts.**

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy with areas of fog and freezing this AM, mostly cloudy with patchy lingering fog this afternoon and a slight (20%) chance of patchy drizzle, mostly cloudy with areas of fog and freezing again late tonight and Thursday AM, mostly cloudy with some lingering fog in the afternoon, mostly cloudy with areas of fog and patchy freezing fog late Thursday night and Friday AM, mostly cloudy with some patchy lingering fog in the afternoon, patchy evening fog, then mostly cloudy with areas of fog and freezing fog late Friday night highs 37-45 lows 32-25 then warming to 29 Friday night. Mostly cloudy with a slight (20%) chance of showers Saturday through Sunday, mostly cloudy with areas of fog and freezing fog late Sunday night and Monday AM, mostly cloudy Monday and Monday night, then mostly cloudy with a slight (20%) chance of rain Tuesday highs 45-48 cooling to 45 Tuesday lows 30-32. (seasonal averages high 46 low 34)

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Forecast for the Umpqua Basin including Roseburg: Mostly clear with areas of fog and freezing fog this AM, sunny in the afternoon with lingering patchy fog, mostly cloudy with areas of fog and freezing fog late tonight and Thursday AM, sunny in the afternoon, mostly clear with areas of fog and freezing fog late Thursday night and Friday AM, sunny with patchy lingering fog Friday afternoon, partly cloudy with patchy evening fog, then areas of fog and freezing fog late Friday night highs near 45 lows 32-28 warming to 35 Friday night. Mostly cloudy with patchy fog and freezing fog Saturday, mostly cloudy  Saturday night, mostly cloudy with a slight (20%) chance of showers Sunday, then just partly cloudy Sunday night through Tuesday highs near 45 lows near 30. (seasonal averages high 48 low 37)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy with patchy fog and frost this AM, sunny this afternoon, partly cloudy with patchy fog and freezing fog tonight and Thursday AM, partly cloudy in the afternoon, mostly clear in the evening patchy freezing fog late Thursday night and Friday AM, sunny Friday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy with areas of fog late Friday night highs 46-50 lows near 32. Mostly cloudy with patchy fog and freezing fog Saturday AM,  mostly cloudy Saturday afternoon through Sunday, then partly cloudy Sunday night through Tuesday highs near 50 lows near 35. (seasonal averages high 51 low 40).

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Forecast for the Cascades of Lane County: Partly cloudy this AM, mostly sunny in the afternoon, mostly clear tonight, sunny Thursday, mostly clear Thursday night, sunny Friday, clear in the evening, then partly cloudy Friday night free air freezing level 10,000 ft. today, 9,000 ft. tonight, 8,000 ft. Thursday, then 9,000 ft. Thursday night through Friday night highs 40-45 lows 24-26. A mix of clouds and sun Saturday, mostly cloudy with a slight (20%) chance of rain and snow showers Saturday night, a mix of clouds and sun with a slight (20%) chance of rain and snow showers Sunday, partly cloudy Sunday night, a mix of clouds and sun Monday, mostly cloudy with a slight (20%) chance of rain and snow showers Monday night, then a mix of clouds and sun with a slight (20%) chance of rain and snow showers Tuesday free air freezing level 7,000 ft. Saturday, snow level 4,000 ft. Saturday night, 3,500 ft. Sunday, free air freezing level 4,000 ft. Sunday night, 4,000 ft. Monday,  snow level 5,500 ft. Monday night, then 3,500 ft. Tuesday highs 38-34 warming to 38 Monday lows 20-25.

________________

**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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