Here is my weekly weather quiz question for the last time. What is  “Staccato Lightning?” Here is the correct answer. Staccato Lightning is a Cloud to Ground (CG) lightning discharge which appears as a single very bright, short-duration stroke, often with considerable branching. I’ll have a new weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

A broad upper level High Pressure Ridge (Shaded “Arch” shape with blue arrows) will keep us in a hot easterly airflow into Monday.  A frontal system (position shown is Wednesday) will be pushing through the Pacific Northwest Tuesday and Wednesday giving us at least a slight chance of showers starting Wednesday.

Note: In this high heat situation please remember to drink plenty of water, stay where it is cool if possible, use sunscreen and remember to have plenty of cool water for your outdoor pets.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 42in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 25 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 39 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR  THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT  UNTIL 9 PM TONIGHT FOR THE NORTHERN OREGON CASCADE FOOTHILLS  AND THE CASCADE FOOTHILLS IN LANE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES AND THE SISKIYOU MOUNTAINS.
• A FLASH FLOOD WATCH IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS AND THE KLAMATH BASIN.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly clear tonight,
• Mostly sunny and a bit cooler, but still very warm Monday, clear in the evening, partly cloudy late Monday night,
• A mix of clouds and sun and a bit cooler Tuesday and Wednesday, partly cloudy Tuesday evening and mostly cloudy at night, partly cloudy Wednesday evening, then mostly cloudy with a slight (20%) chance of showers late Wednesday night.
• lows 58-52 highs 88-73.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a (40%) chance of showers late Thursday night through Friday evening, a slight (20%) chance of showers late Friday night,
• A mix of clouds and sun with a slight (20%) chance of AM showers, a (30%) chance of showers and a bit warmer Saturday afternoon, mostly cloudy with a (40%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late at night,
• Then a mix of clouds and sun and a bit warmer with a slight (20%) chance of showers Sunday .
• highs 69-63 warming to 68 Sunday lows 49-47. (seasonal averages high 71 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (233)

Trees………. Moderate (51)

Last Counted: 6/3/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Partly cloudy with a slight (20%) chance of thunderstorms this evening (heavy rain possible in storms), just partly cloudy late tonight,
• AM clouds, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon, partly cloudy Monday night,
• Partly cloudy with a slight (20%) chance of thunderstorms Tuesday and in the evening, a slight (20%) chance of showers late Tuesday night,
• Mostly cloudy and a bit cooler with a (30%) chance of showers Wednesday and Wednesday night.
• lows 60-52 highs 95-79.
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy with a slight (20%) chance of showers in the afternoon and evening, mostly cloudy with a (30%) chance of showers at night and Friday AM, a (40%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon and evening, a (40%) chance of showers late at night,
• Mostly cloudy with a (30%) chance of showers Saturday and Saturday night,
• Partly cloudy with a slight (20%) chance of showers Sunday AM, then mostly cloudy with a slight (20%) chance of showers Sunday afternoon.
• highs 72-68 warming to 72 Sunday lows 54-48. (seasonal averages high 74 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Partly cloudy this evening, mostly cloudy with patchy coastal fog late tonight and Monday AM, mostly cloudy in the afternoon and Monday night,,
• Mostly cloudy with a slight (20%) chance of inland thunderstorms Tuesday AM, partly cloudy in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Tuesday night,
• Then mostly cloudy with a (30%) chance of showers Wednesday and Wednesday night.
• lows 55-50 highs near 65.
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers in the afternoon, mostly cloudy with a (30%) chance  of showers Thursday night and Friday AM, a (30%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon and evening, a (30%) chance of showers late Friday night through Saturday night,
• Then mostly cloudy with a slight (20%) chance of showers Sunday.
• highs near 63 lows near 50. (seasonal averages high 61 low 50)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of showers and thunderstorms tonight through Monday evening, a slight (20%) chance of showers late at night,
• Partly cloudy with a slight (20%) chance of showers Tuesday AM, a slight (20%) chance of showers and thunderstorms and a bit cooler in the afternoon, mostly cloudy with a slight (20%) chance of showers and thunderstorms in the  evening, just partly cloudy late Tuesday night,
• A mix of clouds and sun and a bit cooler Wednesday with a slight (20%) chance of showers and thunderstorms in the afternoon, partly cloudy with a slight (20%) chance of showers late Wednesday night.
• snow level above 8,000 ft. today through Wednesday night.
• lows 54-42 highs 82-65.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a (30%) chance of showers late Thursday night,
• A mix of clouds and sun with a (40%) chance of showers and a bit cooler Friday, partly cloudy with a (40%) chance of showers in the evening, a (40%) chance of rain and snow showers late Friday night,
• A (30%) chance of AM rain and snow showers, a (30%) chance of showers and a bit cooler Saturday afternoon, partly cloudy with a (30%) chance of evening showers, just partly cloudy late Saturday night,
• Then a mix of clouds and sun and a bit warmer Sunday.
• snow level above 8,000 ft. Thursday, 7,500 ft. Thursday night, 6,500 ft. Friday, 5,500 ft. Friday night, 5,000 ft. Saturday, 6,500 ft. Saturday night, then free air freezing level 7,500 ft. Sunday.
• highs 62-49 warming to 55 Sunday lows 39-34 warming to 36 Saturday 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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question for the last time. What is  “Staccato Lightning?” Here is the correct answer. Staccato Lightning is a Cloud to Ground (CG) lightning discharge which appears as a single very bright, short-duration stroke, often with considerable branching. I’ll have a new weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

A broad upper level High Pressure Ridge (Shaded “Arch” shape with blue arrows) will keep us in a hot easterly airflow into Monday. It is possible some areas will see high temperature records broken today. A frontal system (position shown is Wednesday) will be pushing through the Pacific Northwest Tuesday and Wednesday giving us at least a slight chance of showers starting Wednesday.

Note: In this high heat situation please remember to drink plenty of water, stay where it is cool if possible, use sunscreen and remember to have plenty of cool water for your outdoor pets.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 37 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 24 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT  UNTIL 9 PM TONIGHT FOR THE NORTHERN OREGON CASCADE FOOTHILLS  AND THE CASCADE FOOTHILLS IN LANE COUNTY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES AND THE SISKIYOU MOUNTAINS.
• A FLASH FLOOD WATCH IS IN EFFECT FROM 2 PM THIS AFTERNOON THROUGH THIS EVENING FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS AND THE KLAMATH BASIN.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy this AM, mostly sunny and not quite as hot but still very warm this afternoon, partly cloudy tonight,
• A mix of clouds and sun Monday AM, mostly sunny and a bit cooler in the afternoon, partly cloudy Monday night through Tuesday evening, then mostly cloudy late Tuesday night.
• highs 90-85 lows 58-53.
• A mix of clouds and sun and a bit cooler Wednesday with a slight (20%) chance of showers in the afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday and in the evening, a (30%) chance of showers late Thursday night,
• A mix of clouds and sun with a (40%) chance of showers Friday, mostly cloudy with a (40%) chance of showers late at night,
• A (30%) chance of AM showers, then a mix of clouds and sun with a slight (20%) chance of showers Saturday.
• highs 73-67 lows 52-49. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (233)

Trees………. Moderate (51)

Last Counted: 6/3/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Partly cloudy with a slight (20%) chance of thunderstorms today and this evening, just partly cloudy late tonight,
• AM clouds, mostly sunny and a bit cooler Monday afternoon, partly cloudy with a slight (20%) chance of thunderstorms Monday through Tuesday night.
• highs 96-92 lows 60-57.
• Mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Wednesday and Wednesday night,
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy with a slight (20%) chance of showers in the afternoon, partly cloudy with a (30%) chance of showers in the evening, mostly cloudy with a (30%) chance of showers at night,
• Mostly cloudy with a (40%) chance of showers Friday and Friday night,
• Then mostly cloudy with a slight (20%) chance of showers Saturday.
• highs 79-69 warming to 72 Saturday lows 54-48. (seasonal averages high 74 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy with patchy coastal fog this AM while partly cloudy with a slight (20%) chance of inland thunderstorms this AM, mostly cloudy with a slight (20%) chance of inland thunderstorms this afternoon (under 0.10 in. of rain possible, heavy rain possible), becoming partly cloudy this evening, mostly cloudy late tonight,
• AM clouds, mostly sunny Monday, partly cloudy in the evening, mostly cloudy Monday night and Tuesday AM, partly cloudy with a slight (20%) chance of thunderstorms in the afternoon, then mostly cloudy with a slight (20%) chance of showers late Tuesday night.
• highs near 65 lows near 55.
• Mostly cloudy with a (30%) chance of showers Wednesday and Wednesday night,
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy and a bit cooler with a (30%) chance of showers Thursday afternoon, mostly cloudy with a (30%) chance  of showers Thursday night through  Friday night,
• Then mostly cloudy with a slight (20%) chance of showers Saturday.
• highs 65-59 lows 52-50. (seasonal averages high 61 low 50)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of showers and thunderstorms today and tonight,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms at night and Tuesday, mostly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, then just partly cloudy late at night.
• snow level above 8,000 ft. today through Tuesday night.
• highs 85-78 lows 56-46.
• A mix of clouds and sun and a bit cooler Wednesday with a (40%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
•  A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a (30%) chance of showers late Thursday night,
• A mix of clouds and sun with a good (50%) chance of showers Friday, partly cloudy with a good (50%) chance of showers Friday night,
• A (30%) chance of AM showers, then a mix of clouds and sun with a slight (20%) chance of showers Saturday afternoon.
• snow level above 8,000 ft. Wednesday and Wednesday night, 7,000 ft. Thursday and Thursday night, 6,500 ft. Friday, 7,500 ft. Friday night, then 8,000 ft. Saturday.
• highs 65-54 lows 42-35.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question for the last time. What is  “Staccato Lightning?” Here is the correct answer. Staccato Lightning is a Cloud to Ground (CG) lightning discharge which appears as a single very bright, short-duration stroke, often with considerable branching. I’ll have a new weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

A broad upper level High Pressure Ridge (Shaded “Arch” shape with blue arrows) will keep us in a hot easterly airflow through rest of the weekend. It is possible some areas will see high temperature records broken Sunday. A frontal system (position shown is Wednesday) will be pushing through the Pacific Northwest Tuesday and Wednesday giving us at least a slight chance of showers starting Wednesday.

Note: In this high heat situation please remember to drink plenty of water, stay where it is cool if possible, use sunscreen and remember to have plenty of cool water for your outdoor pets.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 38 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 12 in the Good category measuring Ozone.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM SUNDAY FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES AND THE SISKIYOU MOUNTAINS.
• A FLASH FLOOD WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS AND THE KLAMATH BASIN.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy tonight and Sunday AM, mostly sunny and not quite as hot but still very warm Sunday afternoon, partly cloudy Sunday night,
• A mix of clouds and sun Monday AM, mostly sunny and a bit cooler in the afternoon, partly cloudy Monday night through Tuesday evening, then mostly cloudy late Tuesday night.
• lows 62-53 highs 90-85.
• A mix of clouds and sun and a bit cooler Wednesday with a slight (20%) chance of showers in the afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Mostly cloudy and a bit cooler with a slight (20%) chance of showers Thursday and in the evening, a (30%) chance of showers late Thursday night,
• A mix of clouds and sun with a (40%) chance of showers Friday, mostly cloudy with a (40%) chance of showers late at night,
• A (30%) chance of AM showers, then a mix of clouds and sun with a slight (20%) chance of showers Saturday.
• highs 73-67 lows 52-49. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (233)

Trees………. Moderate (51)

Last Counted: 6/3/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Partly cloudy with a slight (20%) chance of thunderstorms late tonight through Sunday evening, just partly cloudy late Sunday night,
• AM clouds, mostly sunny and a bit cooler Monday afternoon, partly cloudy with a slight (20%) chance of thunderstorms Monday through Tuesday night.
• lows 65-57 highs 96-92.
• Mostly cloudy with a (30%) chance of showers and a slight (20%) chance of thunderstorms and a bit cooler Wednesday and Wednesday night,
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy with a slight (20%) chance of showers in the afternoon, partly cloudy with a (30%) chance of showers in the evening, mostly cloudy with a (30%) chance of showers at night,
• Mostly cloudy with a (40%) chance of showers Friday and Friday night,
• Then mostly cloudy with a slight (20%) chance of showers Saturday.
• highs 79-69 warming to 72 Saturday lows 54-48. (seasonal averages high 74 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy with patchy coastal fog late tonight and Sunday AM while partly cloudy with a slight (20%) chance of inland thunderstorms late tonight and Sunday AM, mostly cloudy with a slight (20%) chance of inland thunderstorms in the afternoon (under 0.10 in. of rain possible, heavy rain possible), becoming partly cloudy in the evening, mostly cloudy late Sunday night,
• AM clouds, mostly sunny Monday, partly cloudy in the evening, mostly cloudy Monday night and Tuesday AM, partly cloudy with a slight (20%) chance of thunderstorms in the afternoon, then mostly cloudy with a slight (20%) chance of showers late Tuesday night.
• lows 58-55 highs near 65.
• Mostly cloudy with a (30%) chance of showers Wednesday and Wednesday night,
• Mostly cloudy with a slight (20%) chance of showers Thursday AM, partly cloudy and a bit cooler with a (30%) chance of showers Thursday afternoon, mostly cloudy with a (30%) chance  of showers Thursday night through  Friday night,
• Then mostly cloudy with a slight (20%) chance of showers Saturday.
• highs 65-59 lows 52-50. (seasonal averages high 61 low 50)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy with a slight (20%) chance of showers and thunderstorms tonight through Sunday night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms at night and Tuesday, mostly cloudy with a slight (20%) chance of showers and thunderstorms in the evening, then just partly cloudy late at night.
• snow level above 8,000 ft. tonight through Tuesday night.
• lows 59-46 highs 85-78.
• A mix of clouds and sun and a bit cooler Wednesday with a (40%) chance of showers and a slight (20%) chance of thunderstorms in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
•  A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a (30%) chance of showers late Thursday night,
• A mix of clouds and sun with a good (50%) chance of showers Friday, partly cloudy with a good (50%) chance of showers Friday night,
• A (30%) chance of AM showers, then a mix of clouds and sun with a slight (20%) chance of showers Saturday afternoon.
• snow level above 8,000 ft. Wednesday and Wednesday night, 7,000 ft. Thursday and Thursday night, 6,500 ft. Friday, 7,500 ft. Friday night, then 8,000 ft. Saturday.
• highs 65-54 lows 42-35.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question for the last time. What is  “Staccato Lightning?” Here is the correct answer. Staccato Lightning is a Cloud to Ground (CG) lightning discharge which appears as a single very bright, short-duration stroke, often with considerable branching. I’ll have a new weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

A broad upper level High Pressure Ridge (Shaded “Arch” shape with blue arrows) will keep us in a hot easterly airflow through the weekend. Look for some high temperature records to be broken. A frontal system will be pushing through the Pacific Northwest Tuesday cooling us down and giving us at least a slight chance of showers starting Wednesday.

Note: In this excessive heat situation please remember to drink plenty of water, stay where it is cool if possible, use sunscreen and remember to have plenty of cool water for your outdoor pets.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 38 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 12 in the Good category measuring Ozone.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 10 AM TODAY THROUGH 10 PM SUNDAY FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 2 PM TODAY THROUGH 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE SOUTHERN OREGON CASCADES AND THE SISKIYOU MOUNTAINS.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and excessively hot today, mostly clear tonight,
• Mostly sunny and not quite as hot Sunday, partly cloudy Sunday night,
• A mix of clouds and sun Monday AM, mostly sunny and cooler in the afternoon, then partly cloudy and cooler Monday night.
• highs 98-84 lows 60-52.
• Partly cloudy and cooler Tuesday and in the evening, mostly cloudy late at night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers Wednesday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday and Friday, partly cloudy with a slight (20%) chance of showers Thursday evening, mostly cloudy with a slight (20%) chance of showers late at night.
• highs 82-70 lows near 52. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (233)

Trees………. Moderate (51)

Last Counted: 6/3/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Sunny and excessively hot today, mostly clear this evening, partly cloudy with a slight (20%) chance of thunderstorms late tonight through Sunday evening, just partly cloudy Sunday night,
• Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms and a bit cooler Monday and Monday night.
• highs 100-90 lows 63-55.
• Then partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday through Friday.
• highs 87-72 lows 53-48. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit warmer today, mostly clear this evening, mostly cloudy with a slight (20%) chance of coastal thunderstorms tonight,
• Mostly cloudy at the shore while partly cloudy with a slight (20%) chance of inland thunderstorms Sunday and a bit cooler, partly cloudy in the evening, mostly cloudy with patchy coastal fog late Sunday night,
• Then partly cloudy and a bit warmer Monday and Monday night.
• highs 68-65 warming back to 68 Monday lows 55-52.
• Partly cloudy Tuesday and in the evening, then mostly cloudy with a slight (20%) chance of showers late Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon, then partly cloudy with a (30%) chance  of showers Thursday night and Friday.
• highs 68-60 lows 52-50. (seasonal averages high 61 low 49)

________________

Forecast for the Cascades in Lane County:

• Sunny and warmer today, partly cloudy with a slight (20%) chance of showers and thunderstorms tonight through Monday night,
• free air freezing level 15,000 ft. today, then snow level above 8,000 ft. tonight through Monday night.
• highs 86-78 lows 57-50.
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms and cooler Tuesday and in the evening, just partly cloudy late at night,
• A mix of clouds and sun and a bit cooler cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday and Friday, partly cloudy with a slight (20%) chance of showers Thursday night.
• snow level above 8,000 ft. Tuesday through Wednesday night, 7,000 ft. Thursday and Thursday night, then 8,000 ft. Friday.
• highs 73-57 lows 44-38.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question. What is  “Staccato Lightning?” 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.

________________

A broad upper level High Pressure Ridge (Shaded “Arch” shape with blue arrows) will keep us in a hot easterly airflow through the weekend. Look for some high temperature records to be broken. A frontal system will be pushing through the Pacific Northwest Tuesday cooling us down and giving us at least a slight chance of showers starting Wednesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 29 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 9 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 34 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 10 AM SATURDAY THROUGH 10 PM SUNDAY FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 2 PM SATURDAY THROUGH 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY,  THE SOUTHERN OREGON CASCADES AND THE SISKIYOU MOUNTAINS.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Clear tonight,
• Sunny and excessively hot Saturday, mostly clear Saturday night,
• Mostly sunny and not quite as hot Sunday, partly cloudy Sunday night,
• A mix of clouds and sun Monday AM, mostly sunny and cooler in the afternoon, then partly cloudy and cooler Monday night.
• lows 56-60 cooling to 52 Monday night highs 98-84.
• Partly cloudy and cooler Tuesday and in the evening, mostly cloudy late at night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, mostly cloudy with a slight (20%) chance of showers Wednesday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday and Friday, mostly cloudy with a slight (20%) chance of showers Thursday evening,
• highs 82-70 lows near 52. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (233)

Trees………. Moderate (51)

Last Counted: 6/3/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Clear tonight,
• Sunny and excessively hot Saturday, mostly clear in the evening, partly cloudy with a slight (20%) chance of thunderstorms late Saturday night through Sunday evening, just partly cloudy Sunday night,
• Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms and a bit cooler Monday and Monday night.
• lows 60-63 cooling to 55 Monday night highs 100-90.
• Then partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday through Friday.
• highs 87-72 lows 53-48. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Clear tonight,
• Sunny and a bit warmer Saturday, mostly clear in the evening, mostly cloudy with a slight (20%) chance of coastal thunderstorms Saturday night,
• Mostly cloudy at the shore while partly cloudy with a slight (20%) chance of inland thunderstorms Sunday and a bit cooler, partly cloudy in the evening, mostly cloudy with patchy coastal fog late Sunday night,
• Then partly cloudy and a bit warmer Monday and Monday night.
• lows 55-52 highs 68-65 warming back to 68 Monday.
• Partly cloudy Tuesday and in the evening, then mostly cloudy with a slight (20%) chance of showers late Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon, then partly cloudy with a (30%) chance  of showers Thursday night and Friday.
• highs 68-60 lows 52-50. (seasonal averages high 61 low 49)

________________

Forecast for the Cascades in Lane County:

• Clear tonight,
• Sunny and warmer Saturday, partly cloudy with a slight (20%) chance of showers and thunderstorms Saturday night through Monday night,
• free air freezing level 15,000 ft. tonight and Saturday, then snow level above 8,000 ft. Saturday night through Monday night.
• lows 52-57 cooling to 50 Monday night highs 86-78.
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms and cooler Tuesday and in the evening, just partly cloudy late at night,
• A mix of clouds and sun and a bit cooler cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Thursday and Friday, partly cloudy with a slight (20%) chance of showers Thursday night.
• snow level above 8,000 ft. Tuesday through Wednesday night, 7,000 ft. Thursday and Thursday night, then 8,000 ft. Friday.
• highs 73-57 lows 44-38.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high (Shaded “Arch” shape with blue arrows) takes over again through the weekend into next week. A frontal system will be pushing through the Pacific Northwest Tuesday cooling us down Look for possible showers behind the front on Wednesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 23 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 8 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AM THROUGH SUNDAY EVENING FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 2 PM SATURDAY THROUGH 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, AND THE THE SOUTHERN OREGON CASCADES.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Sunny and much warmer this afternoon (Hot), clear tonight,
• Sunny and excessively hot Saturday, mostly clear Saturday night,
• Mostly sunny and not quite as hot Sunday, then partly cloudy Sunday night.
• highs 88-97 cooling a bit to near 95 Sunday lows 56-60 cooling back to 56 Sunday night.
• Partly cloudy Monday AM, mostly sunny and cooler in the afternoon, partly cloudy and cooler Monday night through Tuesday evening, mostly cloudy late at night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of  evening showers, then mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then mostly cloudy with a (30%) chance of showers Thursday.
• highs 83-70 lows 52-49. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (246)

Trees………. Moderate (51)

Last Counted: 6/2/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Sunny and a bit warmer today, clear tonight,
• Sunny and excessively hot Saturday, mostly clear in the evening, partly cloudy at night,
• Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Sunday afternoon and Sunday night.
• highs 92-100 cooling to 98 Sunday lows 59-62 cooling to 59 Sunday night.
• Partly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Monday and in the evening, partly cloudy and a bit cooler late Monday night through  Wednesday evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 92-72 lows 56-50. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Sunny and a bit warmer today and Saturday, clear tonight, mostly clear Saturday night,
• Then mostly cloudy Sunday, partly cloudy in the evening, mostly cloudy late Sunday night.
• highs 69-66 lows near 55.
• Partly cloudy and a bit cooler Monday through Tuesday, mostly cloudy at night,
• Mostly cloudy Wednesday AM, partly cloudy with a slight (20%) chance of showers in the afternoon and evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 62-60 lows 54-50. (seasonal averages high 61 low 49)

________________

Forecast for the Cascades in Lane County:

• Mostly sunny and a bit warmer today, clear tonight,
• Sunny and warmer Saturday, partly cloudy with a slight (20%) chance of showers and thunderstorms Saturday night through Sunday night,
• free air freezing level 14,000 ft. today, 15,000 ft. tonight and Saturday,  then snow level above 8,000 ft. Saturday night through Sunday night.
• highs 79-85 lows 52-57 cooling to 55 Sunday night.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms and cooler Monday afternoon, partly cloudy with a slight (20%) chance of showers and thunderstorms Monday night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms Tuesday, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers Wednesday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Thursday.
• snow level above 8,000 ft. Monday through Wednesday, snow level 7,500 ft. Wednesday night, then 7,000 ft.Thursday.
• highs 77-60 lows 49-39.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high (Shaded “Arch” shape with blue arrows) takes over again through the weekend into next week. A frontal system will be pushing through the Pacific Northwest Tuesday cooling us down Look for possible showers behind the front on Wednesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AM THROUGH SUNDAY EVENING FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY AND THE UPPER HOOD RIVER VALLEY.
• A HEAT ADVISORY IS IN EFFECT FROM 2 PM SATURDAY THROUGH 11 PM SUNDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, AND THE THE SOUTHERN OREGON CASCADES.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly cloudy tonight,
• Partly cloudy Friday AM, sunny and much warmer in the afternoon, clear at night,
• Sunny and excessively hot Saturday, mostly clear Saturday night,
• Mostly sunny and not quite as hot Sunday, then partly cloudy Sunday night.
• lows 52-62 cooling to 56 Sunday night highs 88-97 cooling a bit to near 95 Sunday.
• Partly cloudy Monday AM, mostly sunny and cooler in the afternoon, partly cloudy and cooler Monday night through Tuesday evening, mostly cloudy late at night,
• A mix of clouds and sun and a bit cooler Wednesday, partly cloudy in the evening, then mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday.
• highs 86-72 lows 52-49. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (246)

Trees………. Moderate (51)

Last Counted: 6/2/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Mostly cloudy this evening, partly cloudy late tonight,
• Sunny and a bit warmer Friday, clear at night,
• Sunny and excessively hot Saturday, mostly clear at night,
• Partly cloudy and a bit cooler with a slight (20%) chance of thunderstorms Sunday afternoon and Sunday night.
• lows 57-62 cooling to 59 Sunday night highs 92-100 cooling to 98 Sunday.
• Partly cloudy with a slight (20%) chance of thunderstorms and a bit cooler Monday and in the evening, partly cloudy and a bit cooler late late Monday night through  Wednesday evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 92-72 lows 56-50. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy this evening, partly cloudy late tonight,
• Sunny and a bit warmer Friday and Saturday, clear Friday night, mostly clear Saturday night,
• Then partly cloudy Sunday and Sunday night.
• lows 53-57 cooling back to 53 Sunday night highs 69-66.
• Partly cloudy and a bit cooler Monday through Tuesday, mostly cloudy at night and Wednesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night and Thursday AM, then partly cloudy and a bit cooler with a slight (20%) chance of showers Thursday afternoon.
• highs 62-60 lows 54-50. (seasonal averages high 60 low 49)

________________

Forecast for the Cascades in Lane County:

• Mostly cloudy this evening, partly cloudy late tonight,
• Mostly sunny and a bit warmer Friday, clear at night,
• Sunny and warmer Saturday, mostly clear at nights,
• Mostly sunny in the AM, partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Sunday afternoon and evening, then a slight (20%) chance of showers late Sunday night.
• free air freezing level 13,000 ft. tonight, 14,000 ft.  Friday, 15,000 ft. Friday night through Saturday night, then snow level above 8,000 ft. Sunday and Sunday night.
• lows 42-57 cooling to 55 Sunday night highs 79-86 cooling to 84 Sunday.
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of AM showers, a good (50%) chance of showers and thunderstorms and cooler Monday afternoon, partly cloudy with a good (50%) chance of  evening showers and thunderstorms, a slight (20%) chance of showers late Monday night,
• A mix of clouds and sun and cooler with a slight (20%) chance of showers and thunderstorms Tuesday, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, just partly cloudy late at night,
• A mix of clouds and sun and cooler Wednesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of showers late Wednesday night,
• Then a mix of clouds and sun with a slight (20%) chance of showers Thursday.
• snow level above 8,000 ft. Monday through Tuesday night, free air freezing level 10,000 ft. Wednesday, snow level 7,000 ft. Wednesday night, 7,500 ft.
• highs 79-60 lows 47-40.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high (Shaded “Arch” shape with blue arrows) weakens and allows a weak disturbance to bring clouds and cool us a bit. There’s only a slight chance of showers today as a frontal system slid into Oregon. High pressure takes over again into the weekend into next week. A frontal system will be pushing through the Pacific Northwest Tuesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 15 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

• AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM SATURDAY AM THROUGH SUNDAY EVENING FOR  THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OEGON, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, AND THE CENTRAL COLUMBIA RIVER GORGE.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly cloudy with some sun breaks and a good (50%) chance of showers then tapering off and cooler this afternoon, just mostly cloudy tonight,
• Mostly sunny and warmer Friday and Saturday, clear at night,
• Mostly sunny and hot Saturday, then mostly clear Saturday night.
• highs 75-96 lows 52-62.
• Mostly sunny and hot Sunday, partly cloudy and a bit cooler Sunday night through Tuesday evening, mostly cloudy late at night,
• Then partly cloudy Wednesday.
• highs 95-72 lows 56-50. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (246)

Trees………. Moderate (51)

Last Counted: 6/2/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Mostly cloudy with some sun breaks and a bit cooler this afternoon, mostly cloudy this evening, partly cloudy late tonight,
• Sunny and a bit warmer Friday and Saturday, clear at night.
• highs 83-97 lows 56-62.
• Sunny in the AM, partly cloudy and cooler with a slight (20%) chance of thunderstorms Sunday afternoon and evening, just partly cloudy Sunday night and Monday, partly cloudy with a slight (20%) chance of showers Monday night and Tuesday, partly cloudy with a slight (20%) chance of showers late Tuesday night and Wednesday AM, then partly cloudy with a slight (20%) chance of thunderstorms Wednesday afternoon.
• highs 93-76 lows 59-52. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Mostly cloudy this afternoon and evening, partly cloudy late tonight,
• Sunny and a bit warmer Friday and Saturday, clear Friday night, mostly clear Saturday night,.
• highs 66-70 cooling back to 66 Saturday lows 54-57.
• Partly cloudy and a bit cooler Sunday through Monday night,
• Mostly cloudy Tuesday AM, partly cloudy in the afternoon, then partly cloudy with a slight (20%) chance of showers Tuesday night and Wednesday.
• highs 67-62 lows 54-52. (seasonal averages high 60 low 49)

________________

Forecast for the Cascades in Lane County:

• Mostly cloudy with a slight (20%) chance of showers then tapering off and a bit cooler this afternoon, mostly cloudy this evening, partly cloudy late tonight,
• Then mostly sunny and a bit warmer Friday, clear at night,
• Sunny and warmer Saturday, mostly clear at nights,
• snow level above 8,000 ft. today, free air freezing level 13,000 ft. tonight, 14,000 ft.  Friday, then 15,000 ft. Friday night through Saturday night.
• highs 67-86 lows 42-57.
• Mostly sunny in the AM, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Sunday afternoon and evening, partly cloudy late Sunday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon and evening, a slight (20%) chance of showers late Monday night,
• Partly cloudy with a slight (20%) chance of showers Tuesday AM, a bit cooler with a slight (20%) chance of showers and thunderstorms Tuesday afternoon and evening, a slight (20%) chance of showers late at night and Wednesday AM, then partly cloudy with a slight (20%) chance of showers and thunderstorms Wednesday afternoon.
• snow level above 8,000 ft. Sunday through Wednesday.
• highs 85-60 lows 55-42.

________________

**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 and Lane County news on-line at eugenedailynews.com.

________________

Here is my weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

________________

An upper level high (Shaded “Arch” shape with blue arrows) weakens and allows a weak disturbance to bring clouds and cool us a bit. There’s only a slight chance of showers overnight and Thursday. High pressure takes over again through the weekend into next week. .A frontal system will be pushing through the Pacific Northwest Tuesday.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 31 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 33 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

________________

Advisories:

A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT, AND THE CENTRAL MOUNTAINS OF OREGON.

________________

Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy this evening, mostly cloudy with a slight (20%) chance of showers late tonight and Thursday (cooler), just mostly cloudy in the evening, partly cloudy late Thursday night,
• Mostly sunny and warmer Friday and Saturday, clear at night,
• Mostly sunny and hot Saturday, then mostly clear Saturday night.
• lows 52-59 highs 75-93.
• Mostly sunny and just a bit warmer Sunday, then partly cloudy and a bit cooler Sunday night through Wednesday.
• highs 94-72 lows 55-50. (seasonal averages high 70 low 46.)

_____

Eugene-Springfield Pollen Count:

Grass………. Very High (460)

Trees………. Moderate (44)

Last Counted: 6/1/16

Data Courtesy of Oregon Allergy Associates.

___________________

Forecast for Roseburg:

• Partly cloudy tonight,
• Mostly cloudy with a slight (20%) chance of AM sprinkles, a bit cooler Thursday afternoon, mostly cloudy in the evening, partly cloudy late at night,
• Sunny and a bit warmer Friday and Saturday, clear at night.
• lows 55-62 highs 83-97.
• Sunny in the AM, partly cloudy and cooler with a slight (20%) chance of thunderstorms Sunday afternoon and evening, then just partly cloudy and a bit cooler late Sunday night through Wednesday.
• highs 93-76 lows 59-52. (seasonal averages high 73 low 50).

________________

Forecast for The South Oregon Coast Including Coos Bay and North Bend:

• Partly cloudy this evening, mostly cloudy late tonight,
• Mostly cloudy with a slight (20%) chance of AM sprinkles, just mostly cloudy and a bit warmer Thursday afternoon and evening, partly cloudy late Thursday night,
• Sunny and a bit warmer Friday, clear Friday night,
• Mostly sunny and a bit cooler Saturday, then mostly clear Saturday night.
• lows 55-57 highs 66-70.
• Then partly cloudy and a bit cooler Sunday through Wednesday.
• highs 67-62 lows 54-52. (seasonal averages high 60 low 49)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy tonight,
• A slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler Thursday afternoon, mostly cloudy in the evening, partly cloudy late at night,
• Then mostly sunny and a bit warmer Friday and Saturday, mostly clear both nights
• free air freezing level 12,000 ft. tonight, snow level above 8,000 ft. Thursday, free air freezing level 13,000 ft. Thursday night and Friday, 14,000 ft. Friday night, then 15,000 ft. Saturday and Saturday night.
• lows 40-57 highs 67-85.
• Mostly sunny in the AM, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Sunday afternoon and evening, partly cloudy late Sunday night,
• A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon and evening, a slight (20%) chance of showers late Monday night,
• Partly cloudy with a slight (20%) chance of showers Tuesday AM, a bit cooler with a slight (20%) chance of showers and thunderstorms Tuesday afternoon and evening, a slight (20%) chance of showers late at night and Wednesday AM, then partly cloudy with a slight (20%) chance of showers and thunderstorms Wednesday afternoon.
• free air freezing level 15,000 ft. Saturday through Sunday AM, then snow level above 8,000 ft. Sunday through Wednesday.
• highs 87-63 lows 55-42.

________________

**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 and Lane County news on-line at eugenedailynews.com.

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Here is my new weekly weather quiz question. What is  “Staccato Lightning?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high (Shaded “Arch” shape with blue arrows) will keep us in sunshine and warmer temperatures for at least another day or so. By Thursday a couple of frontal systems look like they will cool us down even if they don’t bring any precipitation. Next Monday a frontal system will be offshore headed our way.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 46 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 16 in the Good category measuring Ozone.

Cottage Grove: The Air Quality Index is 50 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories:

A RED FLAG WARNING IS IN EFFECT FROM 2PM UNTIL 9 PM TODAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST, MINUS SISTERS RANGER DISTRICT, AND THE CENTRAL MOUNTAINS OF OREGON.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Partly cloudy this AM, mostly sunny and a bit cooler this afternoon, partly cloudy tonight,
• Mostly cloudy and a bit cooler Thursday, partly cloudy at night and Friday AM, mostly sunny and a bit warmer in the afternoon, then mostly clear Friday night.
• highs 80-77 warming to 83 Friday lows 50-56.
• Mostly sunny and a bit warmer Saturday, mostly clear at night,
• Mostly sunny Sunday AM, partly cloudy and a bit warmer in the afternoon through Monday night,
• AM sunshine, then partly cloudy and a bit cooler Tuesday.
• highs 90-76 lows 58-50. (seasonal averages high 70 low 46.)

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Eugene-Springfield Pollen Count:

Grass………. Very High (873)

Trees………. Moderate (24)

Last Counted: 5/31/16

Data Courtesy of Oregon Allergy Associates.

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Forecast for Roseburg:

• Sunny and a bit cooler today, mostly clear this evening, partly cloudy late tonight,
• Mostly cloudy and a bit cooler Thursday, partly cloudy in the evening, mostly clear late at night,
• Sunny and a bit warmer Friday, then clear Friday night.
• highs 87-84 warming to 89 Friday lows 53-56.
• Mostly sunny and a bit warmer Saturday, mostly clear at night,
• Partly cloudy and cooler with a slight (20%) chance of thunderstorms Sunday and Sunday night,
• Partly cloudy and a bit cooler Monday through Tuesday AM, then mostly sunny and a bit cooler with a slight (20%) chance of showers Tuesday afternoon.
• highs 95-80 lows 60-55. (seasonal averages high 73 low 50).

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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 and a bit cooler this afternoon, mostly clear this evening, mostly cloudy late tonight,
• Mostly cloudy with a slight (20%) chance of AM coastal sprinkles, just mostly cloudy and a bit warmer Thursday afternoon, with a slight (20%) chance of AM sprinkles, partly cloudy at night,
• Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
• highs 63-67 lows near 55.
• Mostly sunny and a bit warmer Saturday, partly cloudy and a bit cooler Saturday night through Monday, partly cloudy at night,
• Then partly cloudy and a bit cooler with a slight (20%) chance of showers Tuesday.
• highs 72-62 lows 55-53. (seasonal averages high 60 low 49)

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Forecast for the Cascades in Lane County:

• Mostly sunny today, partly cloudy tonight,
• A mix of clouds and sun and a bit cooler Thursday, partly cloudy at night and Friday AM, mostly sunny and a bit cooler Friday afternoon, then mostly clear at night.
• free air freezing level 13,000 ft. today, 11,000 ft. tonight and Thursday, 13,000 ft. Thursday night, then 14,000 ft. Friday and Friday night.
• highs 72-68 warming to 76 lows 42-52.
• Mostly sunny Saturday, mostly clear at night,
• Mostly sunny in the AM, partly cloudy and a bit warmer with a slight (20%) chance of showers and a bit cooler Sunday afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers late Sunday night,
• A slight (20%) chance of AM showers, a mix of clouds and sun and a bit cooler with a slight (20%) chance of showers and thunderstorms Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers and thunderstorms, partly cloudy with a slight (20%) chance of showers late Monday night and Tuesday AM, then just partly cloudy and a bit cooler Tuesday afternoon.
• free air freezing level 15,000 ft. Saturday through Sunday AM, then snow level above 8,000 ft. Sunday afternoon through Tuesday.
• highs 84-68 lows 57-46.

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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.

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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

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