* 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 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 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.
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...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 lower 70s. This will pose a moderate to major risk of
heat-related illness.
* WHERE...John Day Basin.
* 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 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...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.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...THUNDERSTORMS TO INCREASE CHANCES OF RED FLAG CONDITIONS LATER
TUESDAY INTO WEDNESDAY...
An upper low pressure system will clip the region as it moves
north offshore the PacNW. This system will provide enough
elevated instability for isolated thunderstorms to develop late
Tuesday through 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.
Re-transmitting the message. No changes to forecast.
...DRY AND A SLIGHT CHANCE FOR THUNDERSTORMS TUESDAY AFTERNOON
INTO WEDNESDAY...
.A slight chance for thunderstorms develop Tuesday afternoon as
an upper level disturbance shifts south to north across the
forecast area into Wednesday.
* AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern
Willamette Valley, Fire Weather Zone 687 Central Oregon
Cascade Foothills, Fire Weather Zone 689 Northern Willamette
National Forest and Fire Weather Zone 690 Southern Willamette
National Forest.
* THUNDERSTORMS...2 (A slight chance of thunderstorms).
* IMPACTS...Lightning and critically dry fuels may result in
numerous fire starts. Thunderstorm outflow winds may result in
erratic fire spread.
Re-transmitting the message. No changes to forecast.
...DRY AND A SLIGHT CHANCE FOR THUNDERSTORMS TUESDAY AFTERNOON
INTO WEDNESDAY...
.A slight chance for thunderstorms develop Tuesday afternoon as
an upper level disturbance shifts south to north across the
forecast area into Wednesday.
* AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and
Central Willamette Valley, Fire Weather Zone 686 Northern
Oregon Cascade Foothills and Fire Weather Zone 688 Mt. Hood
National Forest Region.
* THUNDERSTORMS...2 (A slight chance of thunderstorms).
* IMPACTS...Lightning and critically dry fuels may result in
numerous fire starts.
* 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 zone 616 east of the
I-5 corridor...All of fire weather zone 617...Much of fire
weather zones 623 and 624...All of fire weather zone 625.
* 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
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 2 PM to 8 PM PDT Tuesday.
* 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...Hot conditions with temperatures up to 104 degrees
expected. This will pose a major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington, Kittitas
Valley, and Yakima Valley.
* WHEN...From noon Tuesday 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 with temperatures up to 98 to 103 degrees
expected. 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 Tuesday 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.
