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Advisories: NONE AT THIS TIME.

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An upper air trough of low pressure (“U” shape made of black lines with blue shading, then the brown line filling it in) will be bringing us enough marine air to cool our high temperatures down to more comfortable levels.

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Clear tonight, a mix of clouds and sun Tuesday AM, sunny in the afternoon, partly cloudy Tuesday night, mostly cloudy Wednesday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny in the afternoon, mostly clear in the evening, then mostly cloudy Thursday night lows 54-48 warming back to 52 Thursday night highs 86-80. Mostly cloudy Friday AM, sunny Friday afternoon, mostly clear at night, mostly sunny Saturday, partly cloudy in the evening, mostly cloudy Saturday night, a mix of clouds and sun Sunday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Sunday night, a mix of clouds and sun Monday AM, then mostly sunny Monday afternoon highs 84-88 lows near 50. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly clear this evening, partly cloudy late tonight, mostly cloudy with patchy fog Tuesday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy late Tuesday night, mostly cloudy with patchy fog Wednesday AM, partly cloudy in the evening, mostly cloudy with patchy fog late Wednesday night and Thursday AM, sunny in the afternoon, then partly cloudy Thursday night lows near 57 highs 89-83 warming to 86 Thursday. Partly cloudy Friday, mostly clear Friday night, then mostly sunny Saturday through Monday with mostly clear nights highs 87-92 cooling to 88  Monday lows near 57. (seasonal averages high 86 low 56)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy coastal fog and a slight (20%) chance of rain and patchy drizzle tonight and Tuesday, partly cloudy inland Tuesday afternoon, partly cloudy in the evening then mostly cloudy inland, mostly cloudy with patchy coastal fog late Tuesday night and Wednesday AM, mostly cloudy Wednesday afternoon, mostly cloudy with patchy fog late Wednesday night and Thursday AM, mostly cloudy in the afternoon and Thursday night lows near 55 highs near 66. Partly cloudy Friday through Monday highs 65-68 cooling to 63 Monday lows 55-58. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Partly cloudy this evening, clear tonight, sunny Tuesday AM, partly cloudy Tuesday afternoon through Wednesday AM, mostly sunny in the afternoon, partly cloudy Wednesday night and Thursday AM, mostly sunny in the afternoon, then partly cloudy Thursday night free air freezing level 14,000 ft. tonight through Wednesday, then 15,000 ft. Wednesday night through Thursday night lows 53-49 warming to 52 Thursday night highs 77-72. Partly cloudy Friday AM, sunny in the afternoon, clear in the evening, partly cloudy Friday night then mostly sunny Saturday through Tuesday free air freezing level 15,000 ft. Friday, 16,000 ft. Friday night through Saturday night, then 15,000 ft. Sunday through Monday highs 75-77 lows 54-50.

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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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An upper air trough of low pressure (“U” shape made of black lines with blue shading) will be bringing us enough marine air to cool our high temperatures down to more comfortable levels.

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly cloudy this AM, sunny this afternoon, partly cloudy in the evening, mostly cloudy late tonight and Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Tuesday night, a mix of clouds and sun Wednesday, partly cloudy in the evening, then mostly cloudy Wednesday night highs 87-80 lows 53-50. Mostly cloudy Thursday AM, mostly sunny in the afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday and Sunday with partly cloudy skies Saturday night highs 80-85 lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with patchy fog this AM, sunny this afternoon, mostly clear in the evening, partly cloudy with patchy fog late tonight and Tuesday AM, sunny in the afternoon, mostly cloudy clear in the evening, partly cloudy Tuesday night, then mostly cloudy Wednesday and Wednesday night highs 90-86 lows 58-56. Mostly cloudy with patchy fog in the AM, sunny Thursday afternoon, partly cloudy Thursday night and Friday, mostly clear Friday night, then mostly sunny Saturday and Sunday with mostly clear skies Saturday night highs 87-92 cooling to 88 Sunday lows near 57. (seasonal averages high 86 low 56)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy coastal fog and a slight (20%) chance of drizzle this AM, partly cloudy with patchy lingering coastal fog this afternoon and evening, mostly cloudy late tonight, cloudy with patchy coastal fog and a slight (20%) chance of drizzle Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy with patchy coastal fog late Tuesday night and Wednesday AM, then mostly cloudy Wednesday afternoon and patchy fog late Wednesday night highs near 66 lows 55-58. Mostly cloudy with patchy fog Thursday AM, mostly cloudy Thursday night, partly cloudy Friday through Sunday AM, then sunny Sunday afternoon highs 66-68 cooling to 65 Sunday lows 55-58. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Sunny this AM, becoming partly cloudy this afternoon and tonight, mostly sunny Tuesday AM, partly cloudy in the afternoon through Wednesday night free air freezing level 14,000 ft. today through Wednesday night highs 75-77 lows 57-49. Partly cloudy Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, mostly clear Friday night and Saturday AM, then mostly sunny Saturday afternoon and Sunday with mostly clear skies Saturday night free air freezing level 15,000 ft. Thursday through Sunday highs 72-77 lows 53-50.

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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: A RED FLAG WARNING IS IN EFFECT UNTIL 5 AM MONDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE NORTH CASCADES OF OREGON, THE SOUTH CASCADES OF OREGON, SWINGING WEST THROUGH CRATER LAKE TO CAVE JUNCTION AND ALONG THE OREGON-CALIFORNIA BORDER. BE AWARE OF AREAS THAT ARE OPEN FIRE RESTRICTED AND BE ESPECIALLY CAREFUL  WITH SMOKING MATERIALS.

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Curiosity, NASA’s newest Mars Science Laboratory spacecraft, will be setting down on the surface of Mars at about 10:31 PM PDT today. The event will be streamed live on the web and will be broadcast on NASA TV, although no video of the actual landing is possible you’ll be able to hear descriptions of what is happening.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy with a slight (20%) chance of  thunderstorms this evening, mostly cloudy late tonight and Monday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Monday night, a mix of clouds and sun Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Tuesday night, a mix of clouds and sun Wednesday, partly cloudy in the evening, then mostly cloudy Wednesday night lows 56-50 highs 87-80. Mostly cloudy Thursday AM, mostly sunny in the afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday and Sunday with partly cloudy skies Saturday night highs 80-85 lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Mostly cloudy with a slight (20%) chance of isolated thunderstorms this evening with gusty winds and small hail possible, mostly cloudy late tonight and Monday AM, sunny in the afternoon, mostly clear in the evening, partly cloudy Monday night, mostly cloudy Tuesday AM, sunny in the afternoon, mostly cloudy clear in the evening, partly cloudy Tuesday night, then mostly cloudy Wednesday and Wednesday night lows 59-56 highs 90-86. Partly cloudy Thursday through Friday AM, sunny again Friday afternoon, mostly clear Friday night, then mostly sunny Saturday and Sunday with mostly clear skies Saturday night highs 87-92 cooling to 88 Sunday lows near 57. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with a slight (20%) chance of isolated thunderstorms this evening with gusty winds and small hail possible, mostly cloudy late tonight, mostly cloudy with patchy coastal fog Monday AM, partly cloudy in the afternoon and evening, mostly cloudy Monday night, cloudy with patchy coastal fog and a slight (20%) chance of drizzle Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy with patchy coastal fog late Tuesday night and Wednesday AM, then mostly cloudy Wednesday afternoon and Wednesday night lows near 55 highs near 66. Mostly cloudy Thursday and Thursday night, partly cloudy Friday through Sunday AM, then sunny Sunday afternoon highs 66-68 cooling to 65 Sunday lows 55-58. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly cloudy with a slight (20%) chance of thunderstorms this evening, partly cloudy with a slight (20%) chance of thunderstorms late tonight through Monday evening, partly cloudy Monday night, mostly sunny Tuesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of thunderstorms Tuesday evening, just partly cloudy late Tuesday night through Wednesday night free air freezing level 14,000 ft. tonight through Wednesday, then 15,000 ft. Wednesday night lows 52-56 cooling to 49 Wednesday night highs 77-70. Partly cloudy Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, partly cloudy Friday night and Saturday AM, then mostly sunny Saturday afternoon and Sunday with mostly clear skies Saturday night free air freezing level 15,000 ft. Thursday through Sunday highs 72-77 lows 53-50.

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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: A RED FLAG WARNING IS IN EFFECT UNTIL 5 AM MONDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE NORTH CASCADES OF OREGON, THE SOUTH CASCADES OF OREGON, SWINGING WEST THROUGH CRATER LAKE TO CAVE JUNCTION AND ALONG THE OREGON-CALIFORNIA BORDER. BE AWARE OF AREAS THAT ARE OPEN FIRE RESTRICTED AND BE ESPECIALLY CAREFUL  WITH SMOKING MATERIALS.

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Curiosity, NASA’s newest Mars Science Laboratory spacecraft, will be setting down on the surface of Mars at about 10:31 PM PDT today. The event will be streamed live on the web and will be broadcast on NASA TV.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy today, partly cloudy with a slight (20%) chance of  thunderstorms tonight, mostly cloudy Monday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Monday night, a mix of clouds and sun Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, then mostly cloudy Tuesday night highs 90-86 lows 56-52. A mix of clouds and sun Wednesday, partly cloudy in the evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday highs 83-80 warming to 85 Saturday lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with a slight (20%) chance of isolated thunderstorms this AM, mostly cloudy with a slight (20%) chance of isolated thunderstorms this afternoon and evening with gusty winds and small hail possible, mostly cloudy with a slight (20%) chance of thunderstorms late tonight, mostly cloudy Monday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy Monday night, mostly cloudy Tuesday AM, sunny in the afternoon, then partly cloudy Tuesday night highs 92-88 lows 59-56. Partly cloudy Wednesday and Wednesday evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, sunny again Friday afternoon, mostly clear Friday night, then mostly sunny Saturday highs 87-92 lows near 57. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy areas of patchy fog and a slight (20%) chance of isolated inland thunderstorms today with gusty winds and small hail possible this afternoon, a slight (20%) chance of isolated thunderstorms in the evening with gusty winds and small hail possible, mostly cloudy late tonight, mostly cloudy with patchy coastal fog Monday AM, partly cloudy in the afternoon and evening, then mostly cloudy Monday night, cloudy Tuesday AM, partly cloudy in the afternoon, then mostly cloudy Tuesday night highs 64-66 lows 55-52. Mostly cloudy Wednesday through Thursday night, partly cloudy Friday and Friday night, then mostly cloudy Saturday highs near 65 lows near 56. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly cloudy with patchy AM fog a slight (20%) chance of isolated thunderstorms this afternoon (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of thunderstorms late tonight through Monday evening, partly cloudy Monday night, mostly sunny Tuesday AM, partly cloudy with a slight (20%) chance of thunderstorms Tuesday afternoon and evening, just partly cloudy late Tuesday night free air freezing level 15,000 ft. today, 14,000 ft. tonight through Tuesday night highs 80-76 lows 52-46. Partly cloudy Wednesday through Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, then partly cloudy Friday night, mostly partly cloudy in the AM, then sunny Saturday afternoon free air freezing level 14,000 ft. Wednesday and Wednesday night, then 15,000 ft. Thursday through Saturday highs 72-77 lows near 46.

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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: A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM  THIS EVENING FOR THE NORTH AND CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD AND WEST TO FLORENCE AND SOUTH TO COTTAGE GROVE, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

A RED FLAG WARNING IS IN EFFECT FROM 5 AM SUNDAY UNTIL 5 AM MONDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE NORTH CASCADES OF OREGON, THE SOUTH CASCADES OF OREGON, SWINGING WEST THROUGH CRATER LAKE TO CAVE JUNCTION AND ALONG THE OREGON-CALIFORNIA BORDER. BE AWARE OF AREAS THAT ARE OPEN FIRE RESTRICTED AND BE ESPECIALLY CAREFUL  WITH SMOKING MATERIALS.

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Curiosity, NASA’s newest Mars Science Laboratory spacecraft, will be setting down on the surface of Mars at about 10:31 PM PDT Sunday. The event will be streamed live on the web and will be broadcast on NASA TV.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Clear this evening, partly cloudy tonight, mostly sunny Sunday, partly cloudy with a slight (20%) chance of  thunderstorms Sunday night, mostly cloudy Monday AM, sunny in the afternoon, partly cloudy in the evening, mostly cloudy Monday night, a mix of clouds and sun Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, then mostly cloudy Tuesday night lows 58-52 highs 92-86. A mix of clouds and sun Wednesday, partly cloudy in the evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, mostly sunny Friday afternoon, mostly clear at night, then mostly sunny Saturday highs 83-80 warming to 85 Saturday lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with a slight (20%) chance of isolated thunderstorms tonight and Sunday AM, mostly cloudy with a slight (20%) chance of isolated thunderstorms Sunday afternoon and evening with gusty winds and small hail possible, mostly cloudy with a slight (20%) chance of thunderstorms late Sunday night, mostly cloudy Monday AM, sunny in the afternoon, mostly clear in the evening, then partly cloudy Monday night through Tuesday night lows 64-56 highs 92-85. Partly cloudy Wednesday and Wednesday evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, sunny again Friday afternoon, mostly clear Friday night, then mostly sunny Saturday highs 85-92 lows near 57. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy areas of patchy fog and a slight (20%) chance of isolated inland thunderstorms tonight and Sunday with gusty winds and small hail possible in the afternoon, a slight (20%) chance of isolated thunderstorms in the evening with gusty winds and small hail possible, mostly cloudy late Sunday night, mostly cloudy with patchy coastal fog Monday AM, partly cloudy in the afternoon and evening, then mostly cloudy Monday night through Tuesday night lows 57-54 highs 64-66. Mostly cloudy Wednesday through Thursday night, partly cloudy Friday and Friday night, then mostly cloudy Saturday highs near 65 lows near 56. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly clear tonight, mostly sunny Sunday AM, a mix of clouds and sun with a slight (20%) chance of thunderstorms Sunday afternoon, mostly cloudy with a slight (20%) chance of thunderstorms in the evening, partly cloudy with a slight (20%) chance of thunderstorms late Sunday night through Monday evening, partly cloudy Monday night, mostly sunny Tuesday AM, partly cloudy with a slight (20%) chance of thunderstorms Tuesday afternoon and evening, just partly cloudy late Tuesday night free air freezing level 16,000 ft. tonight, 15,000 ft. Sunday, 14,000 ft. Sunday night through Tuesday night lows 54-46 highs 80-76. Partly cloudy Wednesday through Thursday AM, mostly sunny Thursday afternoon, mostly clear at night, mostly sunny Friday, then partly cloudy Friday night and Saturday free air freezing level 14,000 ft. Wednesday through Friday, 16,000 ft. Friday night, then 15,000 ft. Saturday highs 72-77 lows near 46.

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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: A HEAT ADVISORY IS IN EFFECT FROM NOON UNTIL 9 PM  TODAY FOR THE NORTH AND CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD AND WEST TO FLORENCE AND SOUTH TO COTTAGE GROVE, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

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Curiosity, NASA’s newest Mars Science Laboratory spacecraft, will be setting down on the surface of Mars at about 10:31 PM PDT Sunday. The event will be streamed live on the web and will be broadcast on NASA TV.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Sunny and hot today, mostly clear tonight, mostly sunny Sunday AM, partly cloudy and still very warm in the afternoon, partly cloudy with a slight (20%) chance of  thunderstorms Sunday night, partly cloudy Monday AM, mostly sunny in the afternoon, partly cloudy in the evening, then mostly cloudy Monday night highs 98-89 lows 58-55. Partly cloudy Tuesday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy Tuesday night and Wednesday AM, a mix of clouds and sun Wednesday afternoon, partly cloudy in the evening, mostly cloudy Wednesday night and Thursday AM, then mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, then mostly sunny Friday afternoon highs 83-80 warming to 83 Friday lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Sunny and hot today, partly cloudy with a slight (20%) chance of isolated thunderstorms late tonight, mostly cloudy with a slight (20%) chance of isolated thunderstorms Sunday, partly cloudy with a slight (20%) chance of thunderstorms in the evening, then mostly cloudy late Sunday night and Monday AM, mostly sunny in the afternoon, then partly cloudy Monday night highs 100-86 lows 64-56. Partly cloudy Tuesday through Wednesday evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, then sunny again Friday afternoon highs 84-88 cooling to 83 Thursday lows 56-54. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Partly cloudy with patchy coastal fog this AM, sunny with patchy lingering fog this afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of inland thunderstorms tonight with a slight (20%) chance of coastal thunderstorms late tonight, mostly cloudy with patchy coastal fog and a slight (20%) chance of inland thunderstorms Sunday, then mostly cloudy  with isolated thunderstorms Sunday night, mostly cloudy Monday AM, partly cloudy in the afternoon, then mostly cloudy Monday night highs 74-63 lows 57-54. Mostly cloudy Tuesday through Friday AM, then sunny Friday afternoon highs 64-67 lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Sunny and warmer today, partly cloudy tonight, mostly sunny Sunday AM, a mix of clouds and sun with a slight (20%) chance of thunderstorms Sunday afternoon and evening, partly cloudy with a slight (20%) chance of thunderstorms late Sunday night, then partly cloudy with a slight (20%) chance of thunderstorms Monday and Monday night free air freezing level 16,000 ft. today and tonight, 15,000 ft. Sunday, 14,000 ft. Sunday night through Monday night highs 85-76 lows 54-46. Mostly sunny Tuesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of showers late Tuesday night and Wednesday AM,  partly cloudy in the afternoon through Thursday AM, mostly sunny Thursday afternoon and Friday with mostly clear skies Thursday night free air freezing level 14,000 ft. Tuesday, snow level above 8,000 ft. Tuesday night and Wednesday, then freezing level 14,000 ft. Wednesday night through Friday highs 75-70 warming to 75 Friday lows near 46.

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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: A HEAT ADVISORY IS IN EFFECT FROM NOON UNTIL 9 PM SATURDAY FOR THE NORTH AND CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD AND WEST TO FLORENCE AND SOUTH TO COTTAGE GROVE, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Clear tonight, sunny and hot Saturday, mostly clear Saturday night, mostly sunny Sunday AM, partly cloudy and still very warm in the afternoon, partly cloudy with a slight (20%) chance of  thunderstorms Sunday night, mostly cloudy Monday AM, mostly sunny in the afternoon, mostly clear in the evening, then mostly cloudy Monday night lows 53-58 cooling to 55 Monday night highs 98-88. Mostly cloudy Tuesday AM, mostly sunny in the afternoon, partly cloudy in the evening, mostly cloudy Tuesday night and Wednesday AM, partly cloudy Wednesday afternoon and evening, mostly cloudy Wednesday night and Thursday AM, then mostly sunny Thursday afternoon, partly cloudy Thursday night and Friday AM, then mostly sunny Friday afternoon highs 83-80 warming to 83 Friday lows near 52. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Clear tonight, sunny and hot Saturday, partly cloudy with a slight (20%) chance of thunderstorms late Saturday night, mostly cloudy with a slight (20%) chance of isolated thunderstorms Sunday, partly cloudy with a slight (20%) chance of thunderstorms in the evening, then partly cloudy late Sunday night through Monday night lows 58-65 cooling to 56 Monday night highs 99-86. Partly cloudy Tuesday through Wednesday evening, mostly cloudy Wednesday night and Thursday AM, mostly sunny Thursday afternoon, mostly clear in the evening, partly cloudy Thursday night and Friday AM, then sunny again Friday afternoon highs 84-88 cooling to 83 Thursday lows 56-54. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, partly cloudy with patchy coastal fog tonight and Saturday AM, sunny in the afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of inland thunderstorms Saturday night with a slight (20%) chance of coastal thunderstorms late Saturday night, mostly cloudy with patchy fog and a slight (20%) chance of AM coastal thunderstorms Sunday with isolated inland thunderstorms in the afternoon and evening, then mostly cloudy Sunday night through Monday night lows 56-54 highs 74-63. Mostly cloudy Tuesday through Friday AM, then sunny Friday afternoon highs 64-67 lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Clear tonight, sunny and warmer Saturday, partly cloudy Saturday night, mostly sunny Sunday AM, a mix of clouds and sun with a slight (20%) chance of thunderstorms Sunday afternoon and evening, partly cloudy with a slight (20%) chance of thunderstorms Sunday night, then partly cloudy Monday and Monday night free air freezing level 16,000 ft. tonight and Saturday, 15,000 ft. Saturday night and Sunday, 14,000 ft. Sunday night through Monday night lows 52-55 cooling to 46 Monday night highs 85-76. Mostly sunny Tuesday AM, partly cloudy in the afternoon, partly cloudy with a slight (20%) chance of showers late Tuesday night and Wednesday AM,  partly cloudy in the afternoon and Wednesday night, then mostly sunny Thursday and Friday with mostly clear skies Thursday night free air freezing level 14,000 ft. Tuesday through Friday highs 75-70 warming to 74 Friday lows near 46.

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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: AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD AND WEST TO FLORENCE AND SOUTH TO COTTAGE GROVE, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Partly cloudy this AM, sunny and warmer this afternoon, clear tonight, sunny and hot Saturday, partly cloudy with a slight (20%) chance of thunderstorms late Saturday night, a mix of clouds and sun with a slight (20%) chance of thunderstorms and a bit cooler Sunday, partly cloudy with a slight (20%) chance of  thunderstorms Sunday night highs 89-98 cooling to near 88 Sunday lows 56-58. A mix of clouds and sun Monday AM, mostly sunny in the afternoon, mostly clear in the evening, mostly cloudy at night, a mix of clouds and sun Tuesday, partly cloudy in the evening, mostly cloudy Tuesday night and Wednesday AM, partly cloudy Wednesday afternoon and evening, mostly cloudy Wednesday night and Thursday AM, then mostly sunny Thursday afternoon highs 87-80 warming to 83 Thursday lows 55-50. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, sunny this afternoon, clear with patchy fog late tonight and mostly cloudy with patchy fog Saturday AM, sunny in the afternoon, partly cloudy with a slight (20%) chance of thunderstorms Saturday night through Sunday evening, then partly cloudy late Sunday night highs 90-99 cooling to near 90 Sunday lows 58-65 cooling to 58 Sunday night. Partly cloudy Monday and Monday night, mostly cloudy Tuesday and Tuesday night, partly cloudy Wednesday, then mostly cloudy Wednesday night and Thursday highs 87-80 warming to 83 Thursday lows 56-54. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog and a slight (20%) chance of coastal drizzle this AM, mostly sunny this afternoon, mostly clear with patchy fog and a slight (20%) chance of coastal drizzle again late tonight and Saturday AM, mostly sunny in the afternoon, mostly cloudy with a slight (20%) chance of inland thunderstorms Saturday night, a slight (20%) chance of thunderstorms Sunday and Sunday night highs 68-74 cooling to 68 Sunday lows 56-59 cooling to 54 Sunday night. Mostly cloudy Monday through Thursday afternoon highs 63-67 lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Sunny and warmer today, clear tonight, sunny and warmer Saturday, partly cloudy with a slight (20%) chance of thunderstorms late Saturday night, a mix of clouds and sun with a slight (20%) chance of thunderstorm Sunday afternoon and evening, then just partly cloudy Sunday night free air freezing level 14,000 ft. today, 16,000 ft. tonight and Saturday, 15,000 ft. Saturday night and Sunday, then 14,000 ft. Sunday night highs 80-85 cooling to near 80 Sunday lows 53-48. Partly cloudy Monday through Wednesday night, then a mix of clouds and sun Thursday AM and mostly sunny in the afternoon free air freezing level 14,000 ft. Monday through Thursday highs 78-70 warming to 74 Thursday lows 48-45.

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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: AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE I-5 CORRIDOR FROM PORTLAND THROUGH EUGENE/SPRINGFIELD, THE WESTERN COLUMBIA RIVER GORGE, THE NORTH OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly clear this evening, mostly cloudy tonight and Friday AM, mostly sunny and warmer Friday afternoon, clear Friday night, sunny and hot Saturday, mostly clear Saturday night, then partly cloudy Sunday and Sunday night lows 52-58 highs 89-95 cooling to 88 Sunday. Partly cloudy Monday AM, mostly sunny Monday afternoon, mostly clear in the evening, mostly cloudy and cooler Monday night, a mix of clouds and sun Tuesday, partly cloudy in the evening, mostly cloudy Tuesday night and Wednesday AM, partly cloudy Wednesday afternoon and evening, mostly cloudy Wednesday night and Thursday AM, then mostly sunny Thursday afternoon highs 87-80 warming to 83 Thursday lows 55-50. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Clear this evening, partly cloudy with patchy fog late tonight and Friday AM, sunny in the afternoon, clear with patchy fog late Friday night and mostly cloudy with patchy fog Saturday AM, sunny in the afternoon, partly cloudy with a slight (20%) chance of thunderstorms Saturday night through Sunday evening, then partly cloudy late Sunday night lows 56-65 cooling to 58 Sunday night highs 90-98 cooling to near 90 Sunday. Partly cloudy Monday and Monday night, mostly cloudy Tuesday and Tuesday night, partly cloudy Wednesday, then mostly cloudy Wednesday night and Thursday highs 87-80 lows 56-54. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly clear this evening, mostly cloudy with patchy fog and a slight (20%) chance of coastal drizzle late tonight and Friday AM, mostly sunny Friday afternoon, mostly clear with patchy fog and a slight (20%) chance of coastal drizzle again late Friday night and Saturday AM, mostly sunny in the afternoon, mostly cloudy with a slight (20%) chance of inland thunderstorms Saturday night, a slight (20%) chance of thunderstorms Sunday and Sunday night lows 56-54 highs 66-74 cooling to 54 Sunday night. Mostly cloudy Monday through Thursday afternoon highs 63-65 lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Mostly clear tonight, sunny and warmer Friday, clear Friday night, sunny and warmer Saturday, partly cloudy with a slight (20%) chance of thunderstorms late Saturday night, a mix of clouds and sun with a slight (20%) chance of thunderstorm Sunday afternoon and evening, then just partly cloudy Sunday night free air freezing level 14,000 ft. tonight, 16,000 ft. Friday through Saturday, 15,000 ft. Saturday night and Sunday, then 14,000 ft. Sunday night lows 44-54 cooling to 48 Sunday night highs 80-85 cooling to near 80 Sunday. Partly cloudy Monday through Wednesday night, then a mix of clouds and sun Thursday AM and mostly sunny in the afternoon free air freezing level 14,000 ft. Monday through Thursday highs 78-70 warming to 74 Thursday lows 48-45.

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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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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis: Mostly sunny this afternoon, partly cloudy tonight and Friday AM, mostly sunny and warmer Friday afternoon, clear Friday night, sunny and hot Saturday, mostly clear Saturday night highs 82-94 lows 52-56. Partly cloudy and not as hot Sunday, partly cloudy Sunday night and Monday AM, mostly sunny Monday afternoon, partly cloudy and cooler Monday night through Wednesday AM, then mostly sunny Wednesday afternoon highs 90-80 lows 56-50. (seasonal averages high 84 low 52)

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Forecast for the Umpqua Basin including Roseburg: Partly cloudy with patchy fog this AM, sunny this afternoon, clear in the evening, cloudy with patchy fog late tonight and Friday AM, sunny in the afternoon, clear in the evening, cloudy with patchy fog late Friday night and Saturday AM, sunny in the afternoon, then partly cloudy with a slight (20%) chance of thunderstorms Saturday night highs 86-96 lows 56-60. Mostly cloudy Sunday AM, partly cloudy with a slight (20%) chance of thunderstorms Sunday, partly cloudy with a slight (20%) chance of thunderstorms Sunday night and Monday, mostly cloudy Monday night through Tuesday evening, then partly cloudy Tuesday night and Wednesday AM, then mostly cloudy with a slight (20%) chance of showers Wednesday afternoon highs 93-82 lows near 56. (seasonal averages high 86 low 57)

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Forecast for the South Oregon Coast including Coos Bay and North Bend: Mostly cloudy with patchy fog and a slight (20%) chance of coastal drizzle this AM, mostly sunny this afternoon, clear in the evening, cloudy with patchy fog and a slight (20%) chance of coastal drizzle again tonight and Friday AM, mostly sunny in the afternoon, clear in the evening, partly cloudy with patchy fog and a slight (20%) chance of drizzle late Friday night, cloudy with patchy fog Saturday AM, partly cloudy in the afternoon and Saturday night highs 65-74 lows near 57. Mostly cloudy with a slight (20%) chance of thunderstorms Sunday and Sunday night, mostly cloudy Monday through Tuesday night, then mostly cloudy with a slight (20%) chance of showers Wednesday afternoon highs 66-62 warming 65 Wednesday lows near 55. (seasonal averages high 65 low 53).

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Forecast for the Cascades of Lane County: Sunny today, mostly clear tonight, sunny and warmer Friday, clear Friday night, sunny and warmer Saturday, then partly cloudy with a slight (20%) chance of thunderstorms late Saturday night free air freezing level 14,000 ft. today, 15,000 ft. tonight, 16,000 ft. Friday, then 15,000 ft. Friday night, then 16,000 ft. Saturday and Saturday night highs 69-83 lows 45-54. A mix of clouds and sun with a slight (20%) chance of thunderstorms Sunday afternoon and evening, partly cloudy late Sunday night through Wednesday AM, then mostly sunny Wednesday afternoon free air freezing level 15,000 ft. Sunday, and Sunday night, 14,000 ft. Monday, 15,000 ft. Monday night, 14,000 ft. Tuesday, then 13,000 ft. Tuesday night and Wednesday highs 82-72 lows 49-45.

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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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