...DRY AND LOCALLY BREEZY FRIDAY AND SATURDAY...
.Breezy winds will develop Friday afternoon and evening through
the Kittitas Valley and will be coincident with low relative
humidities. Saturday, locally breezy winds and critically low
relative humidities are anticipated across central Oregon.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...West 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low relative
humidity will promote conditions conducive to rapid fire
spread and extreme fire behavior.
...DRY AND LOCALLY BREEZY FRIDAY AND SATURDAY...
.Breezy winds will develop Friday afternoon and evening through
the Kittitas Valley and will be coincident with low relative
humidities. Saturday, locally breezy winds and critically low
relative humidities are anticipated across central Oregon.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades, 611 Deschutes National Forest and 640 Central
Mountains of Oregon.
* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 6 percent.
* IMPACTS...Locally breezy conditions combined with very low
relative humidity will promote conditions conducive to rapid
fire spread and extreme fire behavior.
* WHAT...Dangerously hot conditions possible with maximum
temperatures 100-104 Saturday, increasing to 105-110 by
Wednesday.
* WHERE...Portions of southwest Idaho and northeast and
southeast Oregon.
* WHEN...From Saturday afternoon through Thursday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* ADDITIONAL DETAILS...Multiple daily max temperature records are
being threatened by this heatwave. The longevity of the event
makes this a particularly dangerous heat wave.
...DRY AND BREEZY CONDITIONS FRIDAY AFTERNOON...
.A weak weather system Friday will produce gusty winds and low
relative humidity in the Cascade gaps and Waterville Plateau.
* Affected Area: Fire Weather Zone 705 Foothills of Central
Washington Cascades (Zone 705) and Fire Weather Zone 706
Waterville Plateau (Zone 706).
* Winds: West 10 to 20 mph with gusts up to 30 mph.
* Relative Humidities: 10 to 18 percent.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
* WHAT...Hot conditions with temperatures in the upper 80s and 90s
expected. This will pose a moderate to major risk of heat-related
illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From noon Friday to 10 PM PDT Monday.
* IMPACTS...This level of heat will significantly increase the risk
of heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* ADDITIONAL DETAILS...Temperatures will remain well above normal
next week with only gradual cooling expected.
* WHAT...Hot conditions with temperatures in the upper 70s and 80s
near the coast. Temperatures in the upper 80s and 90s away from
the coast. This will pose a moderate risk of heat-related illness.
* WHERE...Central Coast, North Coast, and Western Strait of Juan De
Fuca.
* WHEN...From noon Friday to 10 PM PDT Sunday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* ADDITIONAL DETAILS...Marine air may move into coastal areas Sunday
and Monday providing relief. However, well above-normal
temperatures will persist inland well into next week.
The National Weather Service in Medford has issued a Fire Weather
Watch, which is in effect from Saturday afternoon through Sunday
evening.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...Fire weather zones 616...620...621...622 & 623.
* WIND...Northwest wind increasing to 10-16 mph with gusts as high
as 25 mph.
* HUMIDITY...8 to 15 percent.
* DETAILEDURL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 4 PM to 8 PM PDT Friday. a Fire
Weather Watch has also been issued. This Fire Weather Watch is in
effect from Saturday afternoon through Sunday evening.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...Fire weather zones 616...620...621...622 & 623.
* WIND...Northwest wind increasing to 8-14 mph with gusts as high
as 20 mph. Wind strongest over the Umpqua Divide, across the
Cascades and Siskiyous, and Ashland.
* HUMIDITY...8 to 15 percent.
* DETAILEDURL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 4 PM to 8 PM PDT Friday. a Fire
Weather Watch has also been issued. This Fire Weather Watch is in
effect from Saturday afternoon through Sunday evening.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...Fire weather zones 616...620...621...622 & 623.
* WIND...Northwest wind increasing to 8-14 mph with gusts as high
as 20 mph. Wind strongest over the Umpqua Divide, across the
Cascades and Siskiyous, and Ashland.
* HUMIDITY...8 to 15 percent.
* DETAILEDURL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
The National Weather Service in Seattle has issued a Fire Weather
Watch for hot, dry and unstable conditions, which is in effect
from Saturday morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet and Fire Weather Zone 659
West Slopes of the Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 25 percent.
* TEMPERATURES...Up to 80 to 90 degrees Fahrenheit.
* MID-LEVEL HAINES...6
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* WHAT...High temperatures of 95 to 100 degrees with lows in the
upper 50's expected over multiple days.
* WHERE...In California, Modoc County and eastern Siskiyou County.
This includes the cities and communities of Macdoel, Tulelake,
Pondosa, Bray, Tennant, Dorris Tionesta, Alturas, and Adin. In
Oregon, Klamath and Lake Counties. This includes the cities of
Klamath Falls, Chemult, Summer Lake, Chiloquin, Malin, Keno,
Sprague River, and Lakeview
* WHEN...Until 9 PM PDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses. Area rivers
will be cold and can cause shock to swimmers.
* ADDITIONAL DETAILS...This will be a long-duration heatwave with
temperatures lingering through at least Monday.
* WHAT...High temperatures between 105 to 110 with low temperatures
in the mid to upper 60's expected over multiple days.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills. This includes the cities of Roseburg, Toketee Falls,
Sutherlin.
* WHEN...Until 9 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, particularly for those working or
participating in outdoor activities. Area rivers will be cold and
can cause shock to swimmers.
* ADDITIONAL DETAILS...This will be a multi day heat wave with the
warmest temperatures on Friday and Saturday.
* WHAT...Dangerously hot conditions with high temperatures of 100 to
115 and low temperatures in the upper 60s expected over multiple
days. Overnight low temperatures will remain in the mid to upper
60s.
* WHERE...In California, western and central Siskiyou County. This
includes the cities of Yreka, Weed, Etna, and Happy Camp, Mt
Shasta City, and Dunsmuir. In Oregon, Josephine and Jackson
counties and eastern Curry County. This includes the entire Rogue
Valley and the cities of Medford, Grants Pass, Cave Junction, and
Butte Falls.
* WHEN...Until 9 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Area rivers will be cold
and can cause shock to swimmers.
* ADDITIONAL DETAILS...This will be a multi day heat wave with the
warmest temperatures on Friday and Saturday. The Medford Airport
has a 40% chance to tie or exceed the all time temperature record
of 115.
* WHAT...Dangerously hot conditions during the day with little
relief overnight. Highs will be in the 90s to 100s. Overnight lows
will be in 60s to low 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From noon Saturday to 10 PM PDT Friday, July 12.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Stehekin, Holden Village, and Stevens Pass.
* WHEN...From noon Saturday to 10 PM PDT Friday, July 12.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Fruitland, Sandpoint, Newport, Sherman Pass, St. Maries,
Priest River, Boulder Creek Road, Highway 20 Wauconda Summit,
Springdale-Hunters Road, Inchelium, Lookout Pass, Dobson Pass,
Fourth Of July Pass, Flowery Trail Road, Wauconda, Wallace,
Mullan, Eastport, Osburn, Kellogg, Metaline Falls, Deer Park,
Clark Fork, Fernwood, Northport, Kettle Falls, Chewelah, Ione,
Metaline, Republic, Schweitzer Mountain Road, Tiger, Athol,
Pinehurst, Chesaw Road, Bonners Ferry, Orin-Rice Road, and
Colville.
* WHEN...From noon Sunday to 10 PM PDT Friday, July 12.
* IMPACTS...Hot temperatures may cause heat illnesses.
...DRY AND LOCALLY BREEZY FRIDAY AND SATURDAY...
.Breezy winds will develop Friday afternoon and evening through
the Kittitas Valley and be coincident with low relative
humidities. Saturday, locally breezy winds and critically low
relative humidities are anticipated across central Oregon.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...West 15-20 mph with gusts of 20-35 mph.
* RELATIVE HUMIDITY...As low as 10-15 percent.
* IMPACTS...Breezy conditions combined with low relative humidity
will promote conditions conducive to rapid fire spread and
extreme fire behavior.
...DRY AND LOCALLY BREEZY FRIDAY AND SATURDAY...
.Breezy winds will develop Friday afternoon and evening through
the Kittitas Valley and be coincident with low relative
humidities. Saturday, locally breezy winds and critically low
relative humidities are anticipated across central Oregon.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Saturday afternoon through Saturday evening.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades, 611 Deschutes National Forest -minus Sisters
Ranger District and 640 Central Mountains of Oregon.
* WINDS...Northwest 10-15 mph with gusts of 15-25 mph.
* RELATIVE HUMIDITY...As low as 5-10 percent.
* IMPACTS...Locally breezy conditions combined with very low
relative humidity will promote conditions conducive to rapid
fire spread and extreme fire behavior.
* WHAT...Afternoon temperatures in the upper 80s to middle 90s
expected. A few spots could reach close to 100 deg, mainly those
lower valleys located towards the Willamette Valley.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions with temperatures 100 to 105
expected. Overnight temperatures will also be very warm and limit
chances to recover from the heat, with lows ranging from the mid
60s to low 70s.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.