* WHAT...Daytime temperatures between 95 to 100 expected. Overnight
lows between 65 to 70 will limit chances to recover from the heat
Tuesday night.
* WHERE...In Oregon, Central Columbia River Gorge I-84 Corridor,
East Portland Metro, Inner Portland Metro, and West Columbia River
Gorge I-84 Corridor. In Washington, Central Columbia River Gorge
SR 14 Corridor, East Clark County Lowlands, Inner Vancouver Metro,
and West Columbia River Gorge SR 14 Corridor.
* WHEN...From 11 AM Tuesday to 8 AM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Daytime temperatures between 95 to 100 expected. Overnight
lows between 65 to 70 will limit chances to recover from the heat
Tuesday night.
* WHERE...In Oregon, Central Columbia River Gorge I-84 Corridor,
East Portland Metro, Inner Portland Metro, and West Columbia River
Gorge I-84 Corridor. In Washington, Central Columbia River Gorge
SR 14 Corridor, East Clark County Lowlands, Inner Vancouver Metro,
and West Columbia River Gorge SR 14 Corridor.
* WHEN...From 11 AM Tuesday to 8 AM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
Oregon Department of Environmental Quality has issued an Air Quality
Advisory...IN EFFECT UNTIL NOON PDT WEDNESDAY.
A Smoke Air Quality Advisory has been issued. Wildfires burning in
the region combined with forecasted conditions will cause air
quality to reach unhealthy levels.
Pollutants in smoke can cause burning eyes...runny nose...aggravate
heart and lung diseases...and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan County plus
the Methow Valley down to Brewster in Okanogan County will remain
in effect until further notice, due to expected smoke from the
Pioneer Fire and other regional wildfires. Particulate matter
(PM2.5) may reach Unhealthy and Unhealthy for Sensitive Groups
levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...The Siskiyou Mountains and areas south of
Ashland and Cave Junction in fire weather zones 620 and 622.
* THUNDERSTORMS...Thunderstorms are expected today. Lightning
strikes outside of precipitation cores are possible and cause
for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will be a mix of wet
and dry storms. Isolated thunderstorms are possible late
tonight into Monday morning and again Monday night into
Tuesday.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...High temperatures around 101 to 105 with low temperatures
between 67 and 70 degrees.
* WHERE...The valleys within Jackson and Josephine Counties.
* WHEN...Until 8 PM PDT Tuesday.
* IMPACTS...Hot temperatures and warm overnight lows may affect
anyone without adequate hydration or access to cooling facilities.
* WHAT...High concentration of smoke particulates from wildfires
burning in Oregon and northern California
* WHERE...Harney and Malheur Counties.
* WHEN....AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT MONDAY.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...Portions of Fire Weather Zones 620 and622
south of a line roughly from Merlin to Butte Falls. This
includes the Rogue, Illinois and Applegate Valleys.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
expected Monday. Lightning strikes outside of precipitation
cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will be a mix of wet
and dry storms. Isolated thunderstorms are possible late
tonight into Monday morning and again Monday night into
Tuesday.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...Much of Fire Weather Zone 280 east of Happy
Camp through late this evening. For the next Red Flag
Warning, all of Fire Weather Zone 280. Both warnings include
the Shelly Fire.
* THUNDERSTORMS...Scattered thunderstorms are expected today
and again Monday. Lightning strikes outside of precipitation
cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will trend wetter
today,but remain a mix of wet and dry storms. Isolated
thunderstorms are possible late tonight into Monday morning.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
At 446 PM PDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Buck Springs, or 38 miles west of Burns, moving
east at 30 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
This strong thunderstorm will be near...
Emigrant Butte around 510 PM PDT.
...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS
OVER SOUTHEAST OREGON...
...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS
VALLEY TODAY...
Hot, dry, and unstable conditions continue with a slight chance
of thunderstorms this afternoon and evening primarily in the area
around the Strawberry Mountains. Meanwhile, breezy winds and low
RHs are expected to continue to produce critical fire weather
conditions for the Columbia Basin and Kittitas Valley this
afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin.
* WINDS...West 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...The combination of sustained wind and low relative
humidity will result in conditions conducive to rapid fire
spread and extreme fire behavior.
...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS
OVER SOUTHEAST OREGON...
...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS
VALLEY TODAY...
Hot, dry, and unstable conditions continue with a slight chance
of thunderstorms this afternoon and evening primarily in the area
around the Strawberry Mountains. Meanwhile, breezy winds and low
RHs are expected to continue to produce critical fire weather
conditions for the Columbia Basin and Kittitas Valley this
afternoon and evening.
* AFFECTED AREA...Fire Weather Zone 642 Southern Blue and
Strawberry Mountains.
* WINDS...West-Southwest 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 94.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.
...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS
OVER SOUTHEAST OREGON...
...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS
VALLEY TODAY...
Hot, dry, and unstable conditions continue with a slight chance
of thunderstorms this afternoon and evening primarily in the area
around the Strawberry Mountains. Meanwhile, breezy winds and low
RHs are expected to continue to produce critical fire weather
conditions for the Columbia Basin and Kittitas Valley this
afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin.
* WINDS...West 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...The combination of sustained wind and low relative
humidity will result in conditions conducive to rapid fire
spread and extreme fire behavior.
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...Portions of Fire Weather Zones 620 and 622 south
of a line roughly from Merlin to Butte Falls. This includes the
Rogue, Illinois and Applegate Valleys.
* THUNDERSTORMS...Isolated to scattered thunderstorms are expected
Monday. Lightning strikes outside of precipitation cores are
possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will be a mix of wet and
dry storms. Isolated thunderstorms are possible late tonight
into Monday morning and again Monday night into Tuesday.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM PDT MONDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 621...
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...For today, the eastern portions of Fire Weather
Zone 621, east of the Jackson/Josephine county border. For the
Red Flag Warning on Monday, all of Fire Weather Zone 621.
* THUNDERSTORMS...Scattered thunderstorms are expected today and
again Monday. Lightning strikes outside of precipitation cores
are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will trend wetter today,
but remain a mix of wet and dry storms. Isolated thunderstorms
are possible late tonight into Monday morning and again Monday
night into Tuesday.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM PDT MONDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 621...
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...For today, the eastern portions of Fire Weather
Zone 621, east of the Jackson/Josephine county border. For the
Red Flag Warning on Monday, all of Fire Weather Zone 621.
* THUNDERSTORMS...Scattered thunderstorms are expected today and
again Monday. Lightning strikes outside of precipitation cores
are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will trend wetter today,
but remain a mix of wet and dry storms. Isolated thunderstorms
are possible late tonight into Monday morning and again Monday
night into Tuesday.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* IMPACTS...Given the recent prolonged stretch of very hot and
very dry conditions, lightning efficiency will be high to very
high for fire starts. Any fires that develop will likely
spread rapidly.
* AFFECTED AREA...For the Red Flag Warning, all areas.
* THUNDERSTORMS...Scattered thunderstorms are expected today.
Lightning strikes outside of precipitation cores are possible
and cause for concern.
* OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* ADDITIONAL INFORMATION...Thunderstorms will trend wetter today,
but remain a mix of wet and dry storms. Isolated thunderstorms
are possible late tonight into Monday morning.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...Abundant lightning expected this afternoon and evening...
* Thunderstorms...Isolated to scattered thunderstorms with
abundant lightning and outflow winds but little or no rain.
* Outflow Winds...Up to 60 mph.
* Timing...Until midnight MDT /11 PM PDT/ tonight.
* Thunderstorms...15 to 30 percent expected coverage. Greatest
coverage will be in southern portions of the fire zones.
* WHAT...Dangerously hot conditions.
* WHERE...In Idaho, Lower Treasure Valley ID. In Oregon, Oregon
Lower Treasure Valley.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.