The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 2 PM this afternoon to 11 PM PDT
this evening.
* AFFECTED AREA...Douglas county east of I-5. Also, northern and
eastern portions of Modoc County.
* THUNDERSTORMS...Isolated to scattered thunderstorms (10 to 30
percent chance) .
* OUTFLOW WINDS...Gusts 40 to 50 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused it.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* AFFECTED AREA...Significant portions of fire weather zones
617,623, 624, and 625, roughly along and north of a line from
Lakeview to Crater Lake.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
possible Tuesday. Lightning strikes outside of precipitation
cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 40 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* IMPACTS...Strong, gusty winds and critically dry humidities
will allow for new and existing fires to grow rapidly out of
control. Outdoor burning is banned during fire season.
* AFFECTED AREA...The southeastern portion of Zone 622 which
includes the Rogue Valley and the Salt Creek Fire.
* WIND...South 15 to 20 mph with gusts 25 to 30 mph. Winds
shift to the west to northwest around 1700 local time.
* HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* ADDITIONAL DETAILS...Isolated lightning (10 to 20 percent
chance) is also expected mainly over the northern portion of
the zone which will contribute to the fire weather threat.
...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS
AFTERNOON, OVERNIGHT, AND WEDNESDAY...
A low pressure system will move north-northeastward into the
Pacific Northwest late today through Wednesday night. This system
will provide enough moisture and elevated instability for high-
based showers and isolated thunderstorms to develop late this
afternoon, overnight, and Wednesday.
* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 694
Yakama Alpine District and 695 East Washington South Central
Cascade Mountains.
* IMPACTS...Any lightning strikes combined with hot and dry
conditions can create new fire starts.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
possible.
...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS
AFTERNOON, OVERNIGHT, AND WEDNESDAY...
A low pressure system will move north-northeastward into the
Pacific Northwest late today through Wednesday night. This system
will provide enough moisture and elevated instability for high-
based showers and isolated thunderstorms to develop late this
afternoon, overnight, and Wednesday.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades, 611 Deschutes National Forest -minus Sisters
Ranger District, 639 East Slopes of the Northern Oregon
Cascades and 640 Central Mountains of Oregon.
* IMPACTS...Any lightning strikes combined with hot and dry
conditions could cause new fire starts.
* THUNDERSTORMS...Isolated to scattered dry thunderstorms are
possible.
...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS
AFTERNOON, OVERNIGHT, AND WEDNESDAY...
A low pressure system will move north-northeastward into the
Pacific Northwest late today through Wednesday night. This system
will provide enough moisture and elevated instability for high-
based showers and isolated thunderstorms to develop late this
afternoon, overnight, and Wednesday.
The National Weather Service in Pendleton has issued a Red Flag
Warning for dry and unstable conditions, which is in effect from
2 PM this afternoon to 11 PM PDT this evening.
* AFFECTED AREA...Fire Weather Zone 642 Southern Blue and
Strawberry Mountains.
* TIMING...2 PM through 11 PM.
* WINDS...South 5 mph or less.
* RELATIVE HUMIDITY...As low as 11 percent.
* TEMPERATURES...Up to 93.
* IMPACTS...Any new fire starts will exhibit extreme fire
behavior. Current fire on landscape will also exhibit extreme
fire behavior.
* HAINES...As high as 6.
...Abundant lightning for Burns BLM this afternoon and evening...
The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from 2 PM this
afternoon to 11 PM PDT this evening.
* Thunderstorms...Scattered coverage with little to no rainfall
expected.
* Outflow Winds...Up to 60 mph possible.
* Timing...From 2 PM this afternoon to 11 PM PDT this evening.
...ISOLATED THUNDERSTORM CHANCES THIS AFTERNOON, OVERNIGHT, AND
WEDNESDAY...
A low pressure system will move north-northeastward into the
Pacific Northwest late today through Wednesday night. This system
will provide enough moisture and elevated instability for high-
based showers and isolated thunderstorms to develop late this
afternoon, overnight, and Wednesday.
* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 694
Yakama Alpine District and 695 East Washington South Central
Cascade Mountains.
* IMPACTS...Any lightning strikes combined with hot and dry
conditions can create new fire starts.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
possible.
...ISOLATED THUNDERSTORM CHANCES THIS AFTERNOON, OVERNIGHT, AND
WEDNESDAY...
A low pressure system will move north-northeastward into the
Pacific Northwest late today through Wednesday night. This system
will provide enough moisture and elevated instability for high-
based showers and isolated thunderstorms to develop late this
afternoon, overnight, and Wednesday.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades, 611 Deschutes National Forest -minus Sisters
Ranger District, 639 East Slopes of the Northern Oregon
Cascades and 640 Central Mountains of Oregon.
* IMPACTS...Any lightning strikes combined with hot and dry
conditions could cause new fire starts.
* THUNDERSTORMS...Isolated to scattered dry thunderstorms are
possible.
* 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.
* THUNDERSTORMS...Scattered thunderstorms with LAL 3.
* OUTFLOW WINDS...Gusty and erratic winds are possible in the
vicinity of any thunderstorms that develop.
* IMPACTS...Scattered lightning in dry fuels can cause multiple
fire starts. Thunderstorms can also bring sudden sharp wind
shifts on existing fires, causing rapid changes in a fire's
rate of spread and direction of spread. Thunderstorm outflow
winds can be a threat for several hours following the start of
a new lightning-caused fire. If a fire were to begin, air
quality may diminish in the surrounding area.
* WHAT...Hot conditions during the day for the valleys. Highs 93 to
105. Overnight lows mainly in the upper 50s and 60s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 2 PM this afternoon to 11 PM PDT
this evening.
* AFFECTED AREA...Significant portions of fire weather zones 617,
623, 624, and 625, roughly along and north of a line from
Lakeview to Crater Lake.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
possible Tuesday. Lightning strikes outside of precipitation
cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 40 mph. These outflow winds can
travel up to 50 miles away from the thunderstorm that caused
it.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* IMPACTS...Strong, gusty winds and critically dry humidities
will allow for new and existing fires to grow rapidly out of
control. Outdoor burning is banned during fire season.
* AFFECTED AREA...The southeastern portion of Zone 622 which
includes the Rogue Valley and the Salt Creek Fire.
* WIND...South 15 to 20 mph with gusts 25 to 30 mph. Winds
shift to the west to northwest around 1700 local time.
* HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* 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 this morning 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 this morning to 8 AM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions. Afternoon high temperatures of
95 to 103 degrees accompanied by overnight low temperatures in the
mid-60s to lower 70s. This will pose a major risk of heat-related
illness.
* WHERE...Kittitas Valley and Yakima Valley.
* WHEN...From noon today to 10 PM PDT Thursday.
* IMPACTS...Extreme 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.
* WHAT...Hot conditions. Afternoon high temperatures of 95 to 105
degrees accompanied by overnight low temperatures in the lower 60s
to lower 70s. This will pose a major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...From noon today to 10 PM PDT Thursday.
* 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.
* WHAT...Hot conditions. Afternoon high temperatures of 95 to 105
degrees accompanied by overnight low temperatures in the lower 60s
to mid-70s. This will pose a moderate to locally major risk of
heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Foothills of the Northern Blue Mountains of Oregon, and Foothills
of the Blue Mountains of Washington.
* WHEN...From noon today to 10 PM PDT Wednesday.
* 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.
* WHAT...Hot conditions. Afternoon high temperatures of 95 to 105
degrees accompanied by overnight low temperatures in the lower 60s
to lower 70s. This will pose a moderate to locally major risk of
heat-related illness.
* WHERE...In Oregon, Foothills of the Southern Blue Mountains of
Oregon and North Central Oregon. In Washington, Simcoe Highlands.
* WHEN...From noon today to 10 PM PDT Wednesday.
* 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.
* WHAT...Hot conditions. Afternoon high temperatures of 95 to 105
degrees accompanied by overnight low temperatures in the lower 60s
to lower 70s. This will pose a major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...From noon today to 10 PM PDT Thursday.
* 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.