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Advisories: NONE AT THIS TIME.

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The high pressure ridge (“Arch” shape of blue arrows) has moved to the east and we will continue feeling cool for the rest of the workweek and in addition an upper level low  (“U” shape west of the ridge) is moving through the Pacific Northwest.  A cold front (position shown is Friday) will move through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, mostly cloudy  with patchy fog late tonight, cloudy with patchy fog Wednesday AM, sunny Wednesday afternoon, clear Wednesday night, sunny Thursday, mostly clear Thursday night, mostly sunny Friday, then mostly clear Friday night lows 53-50 highs 82-77. Partly cloudy Saturday through Tuesday highs 82-85 cooling to near 80 Tuesday lows near 53. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog tonight, cloudy with patchy fog Wednesday AM, sunny in the afternoon, mostly clear Wednesday night, partly cloudy Thursday AM, sunny Thursday afternoon, clear in the evening then partly cloudy Thursday night inland, while mostly cloudy with patchy coastal fog late at night, partly cloudy with patchy AM fog Friday AM, sunny in the afternoon, then partly cloudy Friday night lows 53-48 highs near 63. Partly cloudy Saturday through Tuesday highs near 64 lows 52-54. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Mostly clear tonight, partly cloudy Wednesday AM, sunny in the afternoon, clear Wednesday night, partly cloudy Thursday AM, sunny in the afternoon, partly cloudy Thursday night, mostly sunny Friday, then mostly clear Friday night free air freezing level 14,000 ft. Wednesday through Thursday, then 13,000 ft. Thursday night through Friday night lows near 44 highs 66-70. Partly cloudy Saturday through Monday night, mostly sunny Tuesday AM, then partly cloudy Tuesday afternoon free air freezing level 13,000 ft. Saturday through Sunday night, 12,000 ft. Monday and Monday night, then 11,000 ft. Tuesday highs near 70 lows near near 43.

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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: NONE AT THIS TIME.

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The high pressure ridge has moved to the east and we will continue feeling cool for the workweek as the ridge continues to weaken and a low off the coast moves to the north.  A cold front (position shown is Friday) will move through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, sunny this afternoon, mostly clear this evening, mostly cloudy  with patchy fog late tonight and Wednesday AM, sunny Wednesday afternoon, partly cloudy in the evening, mostly clear late Wednesday night, sunny Thursday, then mostly clear Thursday night highs 83-80 lows near 52. Mostly sunny Friday, mostly clear Friday night, then partly cloudy Saturday through Monday highs 78-84 lows 48-52. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with patchy fog this AM, partly cloudy this afternoon and evening, mostly cloudy tonight and Wednesday AM, mostly sunny in the afternoon, partly cloudy in the evening through Thursday AM, sunny Thursday afternoon, mostly clear in the evening, then partly cloudy Thursday night highs 64-66 lows 53-50. Mostly sunny Friday, partly cloudy Friday through Monday highs near 64 lows 52-48 warming to 53 Sunday night. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of a thunderstorm this AM, mostly sunny this afternoon, partly cloudy tonight and Wednesday AM, sunny in the afternoon, clear in the evening, partly cloudy Wednesday night, sunny Thursday, then partly cloudy Thursday night free air freezing level 12,000 ft. today, 13,000 ft. tonight, 14,000 ft. Wednesday, 15,000 ft. Wednesday night, 14,000 ft. Thursday, then 13,000 ft. Thursday night highs 68-65 warming back to 68 Thursday lows near 45. Partly cloudy Friday AM, mostly sunny Friday afternoon, then partly cloudy Friday night through Monday free air freezing level 13,000 ft. Friday through Sunday night, then 12,000 ft. Monday highs 66-72 lows near 44-42.

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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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Advisories: NONE AT THIS TIME.

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The high pressure ridge has moved to the east and we will continue feeling cool for the workweek as the ridge continues to weaken and a low off the coast moves to the north.  A cold front will move through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy tonight, sunny with patchy fog Tuesday AM, partly cloudy Tuesday afternoon and evening,  mostly cloudy Tuesday night and Wednesday AM, sunny Wednesday afternoon, partly cloudy in the evening, mostly clear late Wednesday night, mostly sunny Thursday, then mostly clear Thursday night lows near 52 highs near 80. Mostly sunny Friday, mostly clear Friday night, then partly cloudy Saturday through Monday highs 78-84 lows 48-52. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy tonight, cloudy with patchy fog Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy Tuesday night and Wednesday AM, mostly sunny in the afternoon, partly cloudy in the evening through Thursday AM, sunny Thursday afternoon, mostly clear in the evening, then partly cloudy Thursday night lows 52-55 highs 64-66. Partly cloudy Friday through Monday highs near 63 lows 52-48 warming to 52 Sunday night. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy tonight through Wednesday AM, mostly sunny in the afternoon, mostly clear Wednesday night, mostly sunny Thursday, then partly cloudy Thursday night free air freezing level 13,000 ft. tonight, 12,000 ft. Tuesday, 13,000 ft. Tuesday night, 14,000 ft. Wednesday, 15,000 ft. Wednesday night, 14,000 ft. Thursday, then 13,000 ft. Thursday night lows 47-43 highs 68-65 warming back to 68 Thursday. Partly cloudy Friday AM, mostly sunny Friday afternoon, then partly cloudy Friday night through Monday free air freezing level 13,000 ft. Friday through Sunday night, then 12,000 ft. Monday highs 68-72 lows near 44-42.

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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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Advisories: NONE AT THIS TIME.

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The high pressure ridge has moved to the east and we will continue feeling cool for the beginning of the workweek as the ridge continues to weaken and a low off the coast moves to the north.  A cold front will move through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, mostly sunny this afternoon, mostly clear this evening, partly cloudy late tonight, mostly cloudy with patchy AM fog, sunny Tuesday afternoon,mostly clear in the evening,  partly cloudy Tuesday night, cloudy Wednesday AM, sunny Wednesday afternoon, then mostly clear Wednesday night highs 85-77 warming to near 80 Wednesday lows 53-50 warming to 54 Wednesday night. Patchy AM fog, sunny Thursday afternoon, mostly clear Thursday night, mostly sunny Friday, mostly clear Friday night, then mostly sunny Saturday and Sunday with mostly clear nights highs 78-84 lows 50-55. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with patchy fog this AM, mostly sunny this afternoon, partly cloudy this evening, mostly cloudy tonight, cloudy with patchy fog Tuesday AM, sunny Tuesday afternoon, mostly cloudy Tuesday night with patchy coastal fog late, cloudy with patchy fog Wednesday AM, mostly sunny in the afternoon, partly cloudy in the evening, then mostly cloudy Wednesday night highs 65-50 lows 54-52 warming to 55 Thursday. Mostly cloudy with patchy AM fog, sunny Thursday afternoon, mostly clear at night, then mostly sunny Friday through Sunday with mostly clear nights highs 63-60 lows near 53. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Sunny this AM, partly cloudy this afternoon, partly cloudy with a slight (20%) chance of thunderstorms this evening, partly cloudy late tonight and Tuesday AM, mostly sunny in the afternoon, partly cloudy Tuesday night and Wednesday AM, mostly sunny in the afternoon, then mostly clear Wednesday night free air freezing level 14,000 ft. today, 13,000 ft. tonight, 12,000 ft. Tuesday, 13,000 ft. Tuesday night,  14,000 ft. Wednesday, then 15,000 ft. Wednesday night highs 75-66 lows 47-44.  Mostly sunny Thursday, mostly clear Thursday night, then mostly sunny Friday, Saturday and Sunday with partly cloudy nights free air freezing level 14,000 ft. Thursday and Thursday night, 13,000 ft. Friday, 14,000 ft. Friday night through Saturday night, then 13,000 ft. Sunday highs 68-66 warming to 72 Sunday lows near 43.

________________

**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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Advisories: NONE AT THIS TIME.

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The high pressure ridge has moved to the east and we will continue feeling cool for the rest of the weekend as the ridge weakens and a low off the coast moves to the north.  A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, partly cloudy late tonight, sunny with patchy fog in the AM, mostly sunny Monday afternoon and Monday night, patchy AM fog, partly cloudy Tuesday afternoon and Tuesday night, patchy AM fog, sunny Wednesday afternoon, then mostly clear Wednesday night lows 54-50 warming to 54 Wednesday night highs 85-78 warming to near 80 Wednesday. Patchy AM fog, then sunny Thursday, mostly clear Thursday night, mostly sunny Friday, mostly clear Friday night, then mostly sunny Saturday and Sunday with mostly clear nights highs 78-84 lows 50-55. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy tonight, cloudy with patchy fog Monday AM, partly cloudy Monday afternoon and Monday night, cloudy Tuesday AM, partly cloudy Tuesday afternoon and Tuesday night, cloudy with patchy fog Wednesday AM, mostly sunny in the afternoon, mostly clear in the evening, then cloudy Wednesday night lows near 54 highs near 65. Cloudy with patchy AM fog, sunny Thursday afternoon, mostly clear at night, then mostly sunny Friday through Sunday with mostly clear nights highs 63-60 lows near 53. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy and cooler tonight and Monday AM, mostly sunny with a slight (20%) chance of thunderstorms in the afternoon and evening, then partly cloudy Monday night through Wednesday night free air freezing level 13,000 ft. tonight through Monday night, 12,000 ft. Tuesday and Tuesday night, then 14,000 ft. Wednesday and Wednesday night lows 47-44 highs 75-67. Partly cloudy Thursday through Friday night, then mostly sunny Saturday and Sunday with partly cloudy nights free air freezing level 14,000 ft. Thursday, then 13,000 ft. Thursday night through Sunday highs 66-62 lows near 43.

________________

**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

________________

________________

Advisories: NONE AT THIS TIME.

________________

The high pressure ridge is moving to the east and we will continue feeling cool for the rest of the weekend as the ridge weakens and a low off the coast moves to the north.  A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to keep us cool.

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with areas of smoke this AM, mostly sunny through this afternoon, mostly clear this evening, mostly cloudy late tonight, cloudy in the AM, mostly sunny Monday afternoon, mostly clear in the evening, mostly cloudy Monday night, cloudy Tuesday AM, sunny in the afternoon, then mostly cloudy Tuesday night highs 83-78 lows near 55.  Mostly cloudy Wednesday, partly cloudy Wednesday night through Thursday night, mostly sunny Friday, mostly clear Friday night, then partly cloudy Saturday highs 80-84 lows 54-49. (seasonal averages high 84 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with patchy fog this AM, mostly cloudy in the afternoon and evening, cloudy with patchy fog late tonight and Monday AM, partly cloudy Monday afternoon and evening, mostly cloudy with patchy fog late Monday night and Tuesday AM, then partly cloudy Tuesday afternoon, mostly cloudy with patchy fog late Tuesday night highs 63-66 lows near 54. Patchy AM and late night fog Wednesday and Wednesday night, partly cloudy with patchy fog Wednesday night and Thursday AM, then partly cloudy Thursday afternoon through Saturday highs 65-62 warming to 65 Friday lows 54-50. (seasonal averages high 66 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy and cooler today through Monday AM, mostly sunny Monday with a slight (20%) chance of thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of thunderstorms Monday night, partly cloudy Tuesday and Tuesday night free air freezing level 14,000 ft. today through Monday night, 12,000 ft. Tuesday, then 13,000 ft. Tuesday night highs 75-67 lows near 46. Mostly sunny Wednesday, partly cloudy Wednesday night through Thursday night, mostly sunny Friday AM, partly cloudy Friday afternoon and Friday night, then mostly sunny Saturday free air freezing level 14,000 ft. Wednesday through Thursday, 13,000 ft. Thursday night, then 12,000 ft. Friday through Saturday 68-62 lows 45-42.

________________

**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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Advisories: A RED FLAG WARNING IS IN EFFECT THROUGH 11 PM TONIGHT FOR NORTH CENTRAL OREGON, NORTH, CENTRAL, AND SOUTHERN OREGON CASCADES, THE FOOTHILLS OF DOUGLAS COUNTY, JACKSON, KLAMATH, AND LAKE COUNTIES. A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE JOHN DAY HIGHLANDS, THE JOHN DAY BASIN, AND THE SOUTHERN BLUE MOUNTAINS OF OREGON.  A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE.

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A high pressure ridge (“Arch” shape on brown line) strengthened to keep us hot through Friday. We are feeling cooling, but a bit more humid for the rest of the weekend as the ridge weakens and a low off the coast moves to the north. Thunderstorms are possible for the mountains this evening due to cooler air moving down from aloft and the warm moist air movin in from the south around the low. A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather except to cool us down .

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of smoke tonight through Tuesday night lows near 55 highs 85-77. Partly cloudy Wednesday through Thursday night, mostly sunny Friday, mostly clear Friday night, then partly cloudy Saturday highs 80-84 lows 54-48. (seasonal averages high 85 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy this evening, cloudy with patchy fog late tonight and Sunday AM, partly cloudy in the afternoon and evening, cloudy with patchy fog late Sunday night and Monday AM, partly cloudy Monday afternoon and evening, mostly cloudy with patchy fog late Monday night and Tuesday AM, then mostly cloudy skies and some lingering fog Tuesday afternoon and Tuesday night lows 50-56 highs 64-66. Patchy AM and late night fog Wednesday and Wednesday night with some lingering afternoon fog, partly cloudy with patchy fog Wednesday night and Thursday AM, then partly cloudy Thursday afternoon through Saturday highs 65-62 warming to 65 Friday lows 54-50. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Hazy with a slight (20%) chance of thunderstorms this evening, partly cloudy and cooler late tonight and Sunday AM, mostly sunny in the afternoon, partly cloudy Sunday night and Monday AM, mostly sunny in the afternoon, partly cloudy with a slight (20%) chance of showers in the evening, then just partly cloudy Monday night and Tuesday AM, mostly sunny in the afternoon, then partly cloudy Tuesday night free air freezing level 14,000 ft. tonight, 13,000 ft. Sunday through Monday, snow level above 8,000 ft. Monday night, free air freezing level 12,000 ft. Tuesday, then 13,000 ft. Tuesday night lows 49-45 highs 70-66. Mostly sunny Wednesday AM, partly cloudy Wednesday afternoon through Thursday night, mostly sunny Friday AM, partly cloudy Friday afternoon and Friday night, then mostly sunny Saturday free air freezing level 13,000 ft. Wednesday and Wednesday night, 14,000 ft. Thursday, then 12,000 ft. Thursday night through Saturday 68-62 lows 45-42.

________________

**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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Advisories: A RED FLAG WARNING IS IN EFFECT THROUGH 11 PM TONIGHT FOR NORTH CENTRAL OREGON, NORTH, CENTRAL, AND SOUTHERN OREGON CASCADES, THE FOOTHILLS OF DOUGLAS COUNTY, JACKSON, KLAMATH, AND LAKE COUNTIES. A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE JOHN DAY HIGHLANDS, THE JOHN DAY BASIN, AND THE SOUTHERN BLUE MOUNTAINS OF OREGON.  A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE.

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A high pressure ridge (“Arch” shape on brown line) strengthened to keep us hot through Friday. We’ll see cooling, but more humid for the weekend as the ridge weakens and a low off the coast moves to the north. Thunderstorms are possible for today due to cooler air moving down from aloft and the warm moist air movin in from the south around the low. A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday. It doesn’t look like it will do much to change our weather.

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with areas of smoke this afternoon through Monday night highs 87-82 warming to near 85 Monday lows 58-55. Partly cloudy with patchy smoke Tuesday and Tuesday night, partly cloudy Wednesday through Thursday night, then sunny Friday highs 78-80 cooling to 76 Friday lows 54-48. (seasonal averages high 85 low 55)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Becoming partly cloudy this afternoon and evening, cloudy with patchy fog late tonight and Sunday AM, partly cloudy in the afternoon and evening, cloudy with patchy fog late Sunday night and Monday AM, partly cloudy Monday afternoon, then mostly cloudy with patchy fog late Monday night highs 59-64 lows near 55. Mostly cloudy with patchy AM and lane night fog Tuesday through Wednesday, partly cloudy cloudy with patchy fog Wednesday night and Thursday, then partly cloudy Thursday night and Friday highs 64-62 warming to 65 Friday lows 54-50. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: A mix of clouds and sun with a good (50%) chance of chance of thunderstorms this AM, hazy with a slight (20%) chance of thunderstorms this afternoon and evening (under 0.10 in. of rain possible), partly cloudy and cooler late tonight and Sunday AM, mostly sunny in the afternoon, partly cloudy Sunday night and Monday AM, mostly sunny in the afternoon, mostly cloudy with a slight (20%) chance of showers in the evening, then just partly cloudy Monday night free air freezing level 15,000 ft. today, 14,000 ft. tonight, 13,000 ft. Sunday, 14,000 ft. Sunday night and Monday, then snow level above 8,000 ft. Monday night highs 75-66 lows 49-45. Partly cloudy Tuesday AM, mostly sunny in the afternoon,  partly cloudy Tuesday night and Wednesday AM, partly cloudy with a slight (20%) chance of showers Wednesday afternoon and evening, partly cloudy Wednesday night, partly cloudy with a slight (20%) chance of showers Thursday, partly cloudy Thursday night, mostly sunny Friday AM, then partly cloudy Friday afternoon free air freezing level 13,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night through Thursday, then free air freezing level 12,000 ft. Thursday night and Friday 65-68 cooling to 62 Friday lows 46-42.

________________

**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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Advisories: AN EXCESSIVE HEAT WARNING AND A RED FLAG WARNING ARE IN EFFECT THROUGH 9 PM THIS EVENING FOR MOST OF WESTERN OREGON FROM THE COAST RANGE OF OREGON  TO THE CASCADE FOOTHILLS AND SOUTH TO EAST OF FLORENCE THROUGH COTTAGE GROVE. A FIRE WEATHER WATCH IS IN EFFECT FOR ABUNDANT LIGHTNING AND DRY FUELS  UNTIL SATURDAY EVENING FOR THE ENTIRE COAST OF OREGON EAST OF THE BEACHES UP TO THE FOOTHILLS OF THE OREGON COAST RANGE.

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A high pressure ridge (“Arch” shape on brown line) strengthened to keep us hot through today. We’ll see cooling, but more humid for the weekend as the ridge weakens and a low off the coast moves to the north. Thunderstorms are possible for late tonight and Saturday due to cooler air moving down from aloft. A cold front will approach the coast Wednesday and start moving through the Pacific Northwest Thursday.

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Forecast for the Umpqua Basin including Roseburg: Mostly clear with a slight (20%) chance of isolated thunderstorms this evening, mostly cloudy with a slight (20%) chance of light drizzle and thunderstorms late tonight, mostly cloudy with a slight (20%) chance of isolated thunderstorms Saturday AM, mostly cloudy and smokey in the afternoon, partly cloudy with areas of smoke in the evening and late Saturday night with some patchy fog late, mostly cloudy with patchy AM fog, partly cloudy with areas of smoke Sunday afternoon and evening, mostly cloudy with areas of smoke again Sunday night, mostly cloudy with patchy AM fog, partly cloudy with areas of smoke again Monday afternoon and evening, then mostly cloudy with a slight (20%) chance of rain and drizzle late Monday night lows 60-52 highs 87-82. Mostly cloudy with a slight (20%) chance of AM rain and drizzle, partly cloudy Tuesday afternoon, mostly cloudy Tuesday night and Wednesday, then partly cloudy Wednesday night through Friday highs 78-80 cooling to 76 Friday lows 54-48. (seasonal averages high 85 low 56)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with a slight (20%) chance of coastal drizzle this evening and a slight (20%) chance of drizzle and isolated thunderstorms late tonight and inland early Saturday AM, cloudy Saturday afternoon with patchy AM coastal fog, partly cloudy in the evening, cloudy Saturday night, a slight (20%) chance of rain and drizzle late Saturday night, cloudy with a slight (20%) chance of coastal rain and drizzle Sunday AM, partly cloudy in the afternoon and evening, cloudy Sunday night and Monday AM with patchy AM fog, partly cloudy Monday afternoon, then mostly cloudy with a slight (20%) chance of rain and drizzle Monday night lows 54-52 warming to 55 Monday night highs near 64. Mostly cloudy with a slight (20%) chance of rain and drizzle Tuesday, mostly cloudy Tuesday night and Wednesday, then partly cloudy cloudy Wednesday night through Friday highs 64-62 warming to 65 Thursday night lows 54-50. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy with a slight (20%) chance of thunderstorms this evening, a (30%) chance of showers and a slight (20%) chance of thunderstorms late tonight, a mix of clouds and sun with a (40%) chance of showers and a slight (20%) chance of thunderstorms Saturday and Saturday evening (under 0.10 in. of rain possible), partly cloudy and cooler late Saturday night and Sunday AM, mostly sunny in the afternoon, partly cloudy Sunday night through Monday evening, then mostly cloudy Monday night snow level above 8,000 ft. tonight and Saturday, free air freezing level 14,000 ft. Saturday night, 13,000 ft. Sunday, 14,000 ft. Sunday night and Monday, then 13,000 ft. Monday night lows 62-45 highs 74-66. Mostly cloudy Tuesday AM, partly cloudy in the afternoon and Tuesday evening, mostly cloudy Tuesday night and Wednesday AM, partly cloudy with a slight (20%) chance of showers Wednesday afternoon and evening, partly cloudy Wednesday night, partly cloudy with a slight (20%) chance of showers Thursday, partly cloudy Thursday night, mostly sunny Friday AM, then partly cloudy Friday afternoon free air freezing level 13,000 ft. Tuesday and Tuesday night, snow level above 8,000 ft. Wednesday through Thursday, then free air freezing level 12,000 ft. Thursday night and Friday 65-68 cooling to 62 Friday lows 46-42.

________________

**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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Advisories: AN EXCESSIVE HEAT WARNING AND A RED FLAG WARNING ARE IN EFFECT THROUGH 9 PM TODAY FOR MOST OF WESTERN OREGON FROM THE COAST RANGE OF OREGON  TO THE CASCADE FOOTHILLS AND SOUTH TO EAST OF FLORENCE THROUGH COTTAGE GROVE. A FIRE WEATHER WATCH IS IN EFFECT FOR ABUNDANT LIGHTNING AND DRY FUELS FROM THIS AFTERNOON UNTIL SATURDAY EVENING FOR THE ENTIRE COAST OF OREGON EAST OF THE BEACHES UP TO THE FOOTHILLS OF THE OREGON COAST RANGE.

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A high pressure ridge (“Arch” shape on brown line) has been building over us and has allowed   for hot weather. The high pressure ridge has strengthened to keep us hot through today, then cooling, but more humid for the weekend as the ridge weakens and a low off the coast moves to the north. Thunderstorms are possible for late tonight and Saturday due to cooler air moving down from aloft.

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, smokey with a slight (20%) chance of isolated thunderstorms this afternoon and tonight, mostly cloudy with smoke and a slight (20%) chance of thunderstorms Saturday AM, mostly cloudy and smokey in the afternoon, partly cloudy with areas of smoke late Saturday night, cloudy with areas of smoke Sunday AM, partly cloudy with more smoke in the afternoon and Sunday night highs 94-80 lows 62-54. Cloudy with patchy fog  and areas of smoke Monday AM, partly cloudy with more smoke in the afternoon, then partly cloudy Monday night through Thursday highs 80-77 warming to 83 Thursday lows 50-55. (seasonal averages high 85 low 56)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Cloudy with patchy coastal fog this AM, partly cloudy this afternoon and evening, cloudy with a slight (20%) chance of isolated thunderstorms late tonight, cloudy with patchy  coastal fog Saturday AM, a slight (20%) chance of AM inland thunderstorms, cloudy in the afternoon, partly cloudy in the evening, cloudy Saturday night,  mostly cloudy with patchy coastal fog Sunday AM, partly cloudy inland in the afternoon and evening, then cloudy Sunday night highs near 64 lows near 54. Cloudy with patchy AM fog Monday, then partly cloudy Monday afternoon through Thursday highs 62-65 lows near 54. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly sunny this AM, partly cloudy with patchy smoke and a slight (20%) chance of thunderstorms this afternoon and evening, a (30%) chance of showers and a slight (20%) chance of thunderstorms late tonight, a mix of clouds and sun with a (30%) chance of showers and a slight (20%) chance of thunderstorms in the AM, a (30%) chance of thunderstorms Saturday afternoon and evening (under 0.10 in. of rain possible), partly cloudy and cooler late Saturday night, partly cloudy Sunday AM, mostly sunny in the afternoon, then partly cloudy Sunday night free air freezing level 15,000 ft. today, snow level above 8,000 ft. tonight and Saturday, free air freezing level 13,000 ft. Saturday night and Sunday, then 14,000 ft. Sunday night highs 83-72 lows 62-45. Mostly sunny Monday, partly cloudy at night through Tuesday night, partly cloudy with a slight (20%) chance of showers Wednesday  and Wednesday evening, partly cloudy Wednesday night, partly cloudy with a slight (20%) chance of showers Thursday afternoon free air freezing level 13,000 ft. Monday through Tuesday night, then snow level above 8,000 ft. Wednesday through Thursday highs 69 lows near 46.

________________

**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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