* IMPACTS...Any fires that develop will likely spread rapidly.
* AFFECTED AREA...Fire weather zones 280...617 & 624. This
includes much of western Siskiyou County, eastern Douglas
County, and much of Klamath County into western Lake County.
* WIND...Northwest wind increasing to 10 to 16 mph with gusts as
high as 25 mph.
* HUMIDITY...8 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER
ZONES 616, 620, 621, 622, AND 623...
* IMPACTS...Any fires that develop will likely spread rapidly.
* AFFECTED AREA...Fire weather zones 616...620...621...622 & 623.
This includes much of Douglas County, eastern Coos County,
Josephine County, Jackson,County, and western Klamath County.
* WIND...Northwest wind increasing to 8 to 14 mph with gusts as
high as 20 mph. Wind strongest over the Umpqua Divide, across
the Cascades and Siskiyous, and near Ashland.
* HUMIDITY...8 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER
ZONES 616, 620, 621, 622, AND 623...
* IMPACTS...Any fires that develop will likely spread rapidly.
* AFFECTED AREA...Fire weather zones 616...620...621...622 & 623.
This includes much of Douglas County, eastern Coos County,
Josephine County, Jackson,County, and western Klamath County.
* WIND...Northwest wind increasing to 8 to 14 mph with gusts as
high as 20 mph. Wind strongest over the Umpqua Divide, across
the Cascades and Siskiyous, and near Ashland.
* HUMIDITY...8 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Dangerously hot conditions with little overnight relief.
Afternoon high temperatures of 95 to 110 degrees. Morning low
temperatures in the lower 60s to lower 70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures of 90 to 105 degrees. Morning low temperatures
in the mid-50s to mid-60s.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate to Major HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Dangerously hot conditions with little overnight relief.
Afternoon high temperatures of 95 to 110 degrees. Morning low
temperatures in the lower 60s to lower 70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
temperatures of 95 to 110 degrees. Morning low temperatures in the
mid-50s to upper 60s.
* WHERE...Central Oregon and John Day Basin.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate to Major HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures of 95 to 110 degrees. Morning low temperatures
in the mid-50s to lower 70s.
* WHERE...Wallowa County.
* WHEN...From noon Monday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Hottest temperatures will be in the canyons
of Wallowa County, especially Hells Canyon. Temperatures will be
comparatively cooler in Wallowa Valley. Moderate to locally
Extreme HeatRisk (risk of heat-related impacts) is anticipated
through the duration of the event.
* 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 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...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.
* 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 today 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 today 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.
* 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 20 percent.
* TEMPERATURES...Up to 92.
* 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...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.
* 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.
* 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...Bonners Ferry, Fernwood, Kettle Falls, Lookout Pass, St.
Maries, Fruitland, Chewelah, Priest River, Chesaw Road, Schweitzer
Mountain Road, Metaline Falls, Colville, Sandpoint, Inchelium,
Sherman Pass, Athol, Ione, Osburn, Mullan, Pinehurst, Eastport,
Highway 20 Wauconda Summit, Republic, Flowery Trail Road, Dobson
Pass, Tiger, Wallace, Boulder Creek Road, Metaline, Deer Park,
Fourth Of July Pass, Newport, Springdale-Hunters Road, Clark Fork,
Wauconda, Kellogg, Orin-Rice Road, and Northport.
* WHEN...From noon Sunday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
...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 in
the late afternoon and evening.
The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 4 PM this afternoon to 10 PM PDT this evening. The Fire
Weather Watch is no longer in effect.
* Affected Area: Fire Weather Zone 705 Foothills of Central
Washington Cascades (Zone 705) and Fire Weather Zone 706
Waterville Plateau (Zone 706).
* Winds: Northwest 15 to 20 mph with gusts up to 30 mph.
* Relative Humidities: 15 to 20 percent.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
...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.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM this afternoon to 9 PM PDT this evening. The Fire
Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...West 10 to 20 mph with gusts up to 30 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 -minus Sisters
Ranger District 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.