* WHAT...Temperatures up to 96.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...Until 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions with temperatures 100 to 105
expected. Overnight temperatures will be slow to cool off each
evening, only falling below 70 degrees for a short period each
night, if at all. The warm nighttime temperatures will limit
chances to recover from the heat, exacerbating the risk of
heat-related illness in this prolonged heat wave.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 10 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...The most intense portion of this heat wave
has not yet occurred. The hottest temperatures are expected Monday
and Tuesday, with Monday night being the warmest night.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures potentially reaching 105 degrees in the Grande
Ronde Valley, with highs in the 90s up to or exceeding 100 degrees
in the mountains and mountain valleys. Overnight and morning low
temperatures in the 50 and 60s.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, and Wallowa County.
* WHEN...From noon Monday to 10 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...In Wallowa County, hottest temperatures will
be in the canyons, especially Hells Canyon. Moderate to locally
Extreme 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 potentially exceeding 110 degrees in
some areas. Overnight low temperatures in the 60s and 70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...Until 10 PM PDT Wednesday.
* 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...Dangerously hot conditions with little overnight relief.
Afternoon high temperatures potentially exceeding 105 degrees.
Overnight lows in the upper 50s to 60s.
* WHERE...Central Oregon and John Day Basin.
* WHEN...Until 10 PM PDT Wednesday.
* 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 potentially reaching 105 along the East Slopes
of the Oregon Cascades, and potentially exceeding 100 degrees
along the Upper Slopes of the Eastern Washington Cascades Crest.
* WHERE...In Oregon, East Slopes of the Oregon Cascades. In
Washington, Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon Monday to 10 PM PDT Tuesday.
* 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...High temperatures of 95 to 102 degrees with lows in the mid
to upper 50s expected.
* 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 Tuesday.
* 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
hot temperatures through Tuesday.
* WHAT...Dangerously hot conditions with high temperatures 105 to
115, and low temperatures in the mid 60s to lower 70s.
* WHERE...In California, western and central Siskiyou County. This
includes the cities of Yreka, Weed, Etna, 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 Tuesday.
* 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
hottest temperatures today through Monday and then continuing very
hot on Tuesday.
* WHAT...High temperatures of 100 to 110 with low temperatures in
the mid to upper 60s expected.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills. This includes the cities of Roseburg, Toketee Falls,
and Sutherlin.
* WHEN...Until 9 PM PDT Tuesday.
* 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...Dangerously hot conditions with heat index
values up to 100.
* WHAT...Dangerously hot conditions with temperatures up to 109
possible.
* WHERE...Portions of south central, southwest and west central
Idaho and northeast Oregon.
* WHEN...From Monday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...Dangerously hot conditions with temperatures 100 to 105
expected. Overnight temperatures will also be very warm, falling
to the mid to upper 60s for a short period late each night. The
warm nighttime temperatures will limit chances to recover from the
heat, exacerbating the risk of heat-related illness in this
prolonged heat wave.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 10 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Afternoon temperatures in the upper 80s to middle 90s
expected. A few spots could reach close to 100 degrees, 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 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions with little overnight relief.
Afternoon high temperatures potentially exceeding 105 degrees.
Overnight lows in the upper 50s to 60s.
* WHERE...Central Oregon and John Day Basin.
* WHEN...Until 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 potentially reaching 105 degrees in the Grande
Ronde Valley, with highs in the 90s up to or exceeding 100 degrees
in the mountains and mountain valleys. Overnight and morning low
temperatures in the 50 and 60s.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, and Wallowa County.
* WHEN...From noon Monday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...In Wallowa County, hottest temperatures will
be in the canyons, especially Hells Canyon. Moderate to locally
Extreme 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 potentially exceeding 110 degrees in
some areas. Overnight low temperatures in the 60s and 70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...Until 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 potentially reaching 105 along the East Slopes
of the Oregon Cascades, and potentially exceeding 100 degrees
along the Upper Slopes of the Eastern Washington Cascades Crest.
* WHERE...In Oregon, East Slopes of the Oregon Cascades. In
Washington, Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon Monday to 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
SUNDAY FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONES
280, 616, 617, 620, 621, 622, 623, AND 624...
* IMPACTS...Any fires that develop will likely spread rapidly.
* AFFECTED AREA...Fire weather zones 280...616, 617, 620, 621,
622, 623 & 624. This includes much of western Siskiyou
County, Douglas County, northern and central Josephine
County, Jackson County, most of Klamath County and western
Lake County.
* WIND...Northwest 10 to 15 mph with gusts as high as 25 mph.
* HUMIDITY...7 to 10 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...High temperatures of 95 to 100 degrees with lows in the
upper 50s expected.
* 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 Tuesday.
* 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
hot temperatures through Tuesday.
* WHAT...Dangerously hot conditions with high temperatures 105 to
115, and low temperatures in the mid 60s to lower 70s.
* WHERE...In California, western and central Siskiyou County. This
includes the cities of Yreka, Weed, Etna, 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 Tuesday.
* 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
hottest temperatures today through Monday and then continuing very
hot on Tuesday.
* WHAT...High temperatures of 105 to 110 with low temperatures in
the mid to upper 60s expected.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills. This includes the cities of Roseburg, Toketee Falls,
and Sutherlin.
* WHEN...Until 9 PM PDT Tuesday.
* 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...Dangerously hot conditions with heat index
values up to 100.
