Here is my new weekly weather quiz question. What is “Juvenile Water?” 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 pressure ridge has taken over bringing back the sunshine and warming us up for the rest of the week into the weekend. We saw a record high of 105 degrees Thursday and today will be the same. As we cool down a bit the 90s could be around a while longer.

________________

Air Quality Index:

Eugene-Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 29 in the Good category measuring Particulate Matter.

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

________________

Advisories:

• A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR HOT, DRY, UNSTABLE CONDITIONS COMBINED WITH CRITICALLY DRY FUELS FOR NORTH OREGON COAST RANGE, THE EAST SLOPES OF THE CENTRAL OREGON COAST RANGE, THE WILLAMETTE VALLEY AND ADJACENT FOOTHILLS, THE NORTH OREGON CASCADES FOOTHILLS, THE GIFFORD PINCHOT NATIONAL FOREST, THE MT. HOOD NATIONAL FOREST WEST OF THE CASCADE CREST, THE WILLAMETTE NATIONAL FOREST , THE WILLAPA HILLS INCLUDING PORTIONS OF THE SIUSLAW NATIONAL FOREST, THE TILLAMOOK NATIONAL FOREST AND OTHER OREGON DEPARTMENT OF FORESTRY AND BLM LANDS.
• A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE UMPQUA BASIN.
• A RED FLAG WARNING IS IN EFFECT UNTIL 10 PM SATURDAY FOR THE CENTRAL MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS AND THE STRAWBERRY MOUNTAINS.
• A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON,  THE LOWER COLUMBIA, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY.
• AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR 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 11 PM SATURDAY FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY AND JACKSON COUNTY.
• A HEALTH ADVISORY HAS BEEN ISSUED FOR UPPER KLAMATH LAKE AND AGENCY LAKE DOWN TO KENO DAM, LOCATED JUST NORTH OF KLAMATH FALLS ALONG HIGHWAY 97 IN KLAMATH COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.

____________

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

• Mostly sunny and hot again today, partly cloudy and a bit cooler tonight and Saturday, partly cloudy with a slight (20%) chance of showers late Saturday night,
• Then partly cloudy and cooler Sunday and Sunday night.
• highs 104-94 lows near 60.
• Partly cloudy in the AM, mostly sunny and a bit cooler Monday and Tuesday, mostly clear Monday night, partly cloudy Tuesday night through Thursday AM, then mostly sunny Thursday afternoon.
• highs 93-80 lows 58-54. (seasonal averages high 84 low 52)
  ____

Eugene/Springfield Pollen Count:

Trees: Low- 4

Grass: Moderate- 5*

Reading as of: 7/25/15

*Now the grass pollen season is officially over.

_________________

Forecast for the Umpqua Basin including Roseburg:

• Sunny and slightly cooler but still hot with areas of smoke this afternoon, mostly cloudy with haze and patchy smoke and a slight (20%) chance of evening thunderstorms, partly cloudy late tonight,
• Areas of AM smoke, partly cloudy and cooler Saturday afternoon, a slight (20%) chance of thunderstorms in the evening, mostly cloudy with a slight (20%) chance of showers late Saturday night,
• Then partly cloudy and cooler Sunday, a slight (20%) chance of Sunday evening, just partly cloudy late at night.
• highs 106-94 lows 68-64.
• Partly cloudy Monday and at night,
• Partly cloudy and cooler with a slight (20%) chance of thunderstorms Tuesday and Tuesday night,
• Partly cloudy and a bit cooler Wednesday and at night,
• Then sunny Thursday.
• highs 93-82 lows 62-58. (seasonal averages high 86 low 57)

________________

Forecast for the South Oregon Coast including Coos Bay and North Bend:,

• Sunny today with a slight (20%) chance of afternoon inland thunderstorms, mostly clear this evening, partly cloudy late tonight,
• Mostly cloudy Saturday AM, partly cloudy and a bit cooler in the afternoon, a slight (20%) chance of evening inland thunderstorms, mostly cloudy with a slight (20%) chance of showers late at night,
• Partly cloudy Sunday AM, sunny in the afternoon, then just partly cloudy Sunday night.
• highs 72-68 lows near 57.
• Partly cloudy Monday, mostly clear in the evening, partly cloudy Monday night through Wednesday AM, sunny in the afternoon, mostly clear at night,
• Then mostly sunny Thursday.
• highs 68-66 lows near 56. (seasonal averages high 65 low 53)

________________

Forecast for the Cascades in Lane County:

• Partly cloudy and warm with haze and areas of smoke this afternoon and tonight,
• Partly cloudy and a bit cooler with a slight (20%) chance of showers and thunderstorms Saturday afternoon and evening, a slight (20%) chance of showers late Sunday night.
• free air freezing level 15,000 ft. today, 16,000 ft. tonight, snow level above 8,000 ft. Saturday through Sunday night.
• highs 90-83 lows 57-52.
• Partly cloudy and cooler with a slight (20%) chance of showers and thunderstorms Monday through Wednesday evening, just partly cloudy at night,
• Then mostly sunny Thursday.
• snow level above 8,000 ft. Monday through Wednesday night,
• Then free air freezing level 12,000 ft. Thursday.
• highs 79-68 lows 52-48.

_______________

**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.

________________