* WHAT...Dangerously hot conditions with heat index values between
90 and 95 degrees possible.
* WHERE...In California, northeast Siskiyou County and areas west of
the Warner Mountains in Modoc County, including Alturas, Tionesta,
and Macdoel. In Oregon, Klamath County east of the Cascades and
Lake County, including Klamath Falls, Chemult, Crescent, Bly,
Lakeview, Adel, and Summer Lake.
* WHEN...From Thursday morning through Saturday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with heat index values between
95 and 105 degrees possible.
* WHERE...In California, western Siskiyou County including Weed,
Yreka, McCloud, and area valleys. In Oregon, areas between the
coast and the Cascades including the Illinois Valley, Roseburg,
Grants Pass, Medford, and Ashland.
* WHEN...From Thursday morning through Saturday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
...SCATTERED THUNDERSTORMS WITH GUSTY OUTFLOW WINDS INTO THIS
EVEING...
...LOW HUMIDITY AND STRONG SUSTAINED WINDS IN SOUTHEAST OREGON
THIS AFTERNOON INTO EARLY THIS EVENING...
.Scattered thunderstorms will continue to spread north and east
across extreme eastern Oregon and southwest Idaho. Thunderstorms
are expected to end in southeast Oregon by late this afternoon,
but sustained winds and low humidity will keep red flag conditions
going. Thunderstorms will persist in southwest and west-central
Idaho through this evening. These storms have been producing a
great deal of lightning, and numerous fire starts have already
been reported.
* Thunderstorms...Scattered thunderstorms ending this afternoon,
followed by winds and low RH this afternoon into this evening.
* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.
* Relative Humidity...As low as 11 percent.
* Timing...Until 9 PM MDT /8 PM PDT/ this evening.
At 309 PM MDT, Doppler radar was tracking a strong thunderstorm near
Wilder, or near Parma, moving northeast at 40 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Parma, Wilder, and Notus around 310 PM MDT.
Emmett and Letha around 340 PM MDT.
...SCATTERED THUNDERSTORMS WITH GUSTY OUTFLOW WINDS...
...LOW HUMIDITY AND STRONG SUSTAINED WINDS IN SOUTHEAST OREGON
THIS AFTERNOON...
.Scattered thunderstorms have developed and will spread north and
east this morning across southeast Oregon and southwest Idaho.
Thunderstorms are expected to end in southeast Oregon by early
this afternoon, but an increase in sustained winds and low
humidity will keep red flag conditions going. Thunderstorms will
persist into southwest and west-central Idaho through this
evening.
The National Weather Service in Boise has issued a Red Flag
Warning for lightning and winds and low relative humidity, which
is in effect until 9 PM MDT this evening.
* Thunderstorms...Scattered thunderstorms ending this afternoon,
followed by winds and low RH this afternoon into this evening.
* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.
* Relative Humidity...As low as 11 percent.
* Timing...Until 9 PM MDT /8 PM PDT/ this evening.
...SCATTERED THUNDERSTORMS BEGINNING EARLY WEDNESDAY MORNING WITH
GUSTY OUTFLOW WINDS... ...LOW HUMIDITY AND STRONG SUSTAINED WINDS
IN SOUTHEAST OREGON WEDNESDAY AFTERNOON...
.Scattered thunderstorms will develop and spread north and east
this morning across southeast Oregon and southwest Idaho.
Thunderstorms are expected to end in southeast Oregon by early
Wednesday afternoon, but an increase in sustained winds amidst low
humidity will occur. Thunderstorms will persist into southwest
and west- central Idaho through Wednesday evening.
* Thunderstorms...Scattered thunderstorms beginning early
Wednesday morning and ending Wednesday afternoon.
* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.
* Relative Humidity...As low as 11 percent.
* Timing...Until 9 PM MDT /8 PM PDT/ this evening.
...Gusty winds and Low RH will create critical fire weather
conditions for some areas east of the Cascades this afternoon and
evening...
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is banned during fire season.
* AFFECTED AREA...Portions of Oregon Fire Weather Zones 624 and
625 and also California Fire Weather Zone 285.
* WIND...Southwest 20 to 30 mph with gusts to 40 mph shifting to
the west-northwest during the evening.
* AFTERNOON MINIMUM HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...SCATTERED THUNDERSTORMS BEGINNING EARLY WEDNESDAY MORNING WITH
GUSTY OUTFLOW WINDS...
...LOW HUMIDITY AND STRONG SUSTAINED WINDS IN SOUTHEAST OREGON
WEDNESDAY AFTERNOON...
.Scattered thunderstorms will develop early Wednesday morning
across southeast Oregon and southwest Idaho. Thunderstorms are
expected to end in southeast Oregon by early Wednesday afternoon,
but an increase in sustained winds amidst low humidity will
occur. Thunderstorms will persist into southwest and west-central
Idaho through Wednesday evening.
* Thunderstorms...Scattered thunderstorms beginning early
Wednesday morning and ending Wednesday afternoon.
* Winds...Gusty and erratic outflow winds to 50 mph through
early afternoon. Sustained winds increase to 15 to 20 mph with
gusts to 30 mph in the afternoon.
* Relative Humidity...10 to 19%.
* Timing...From 3 AM MDT /2 AM PDT/ to 9 PM MDT /8 PM PDT/
Wednesday.
...SCATTERED THUNDERSTORMS BEGINNING EARLY WEDNESDAY MORNING WITH
GUSTY OUTFLOW WINDS...
...LOW HUMIDITY AND STRONG SUSTAINED WINDS IN SOUTHEAST OREGON
WEDNESDAY AFTERNOON...
.Scattered thunderstorms will develop early Wednesday morning
across southeast Oregon and southwest Idaho. Thunderstorms are
expected to end in southeast Oregon by early Wednesday afternoon,
but an increase in sustained winds amidst low humidity will occur.
Thunderstorms will persist into southwest and west-central Idaho
through Wednesday evening.
* Thunderstorms...Scattered thunderstorms beginning early
Wednesday morning and ending Wednesday afternoon.
* Winds...Gusty and erratic outflow winds to 50 mph through early
afternoon. Sustained winds increase to 15 to 20 mph with gusts
to 30 mph in the afternoon.
* Relative humidity...10 to 19%.
* Timing...From 3 AM MDT /2 AM PDT/ to 9 PM MDT /8 PM PDT/
Wednesday.
...Gusty winds and Low RH will create critical fire weather
conditions both this evening and again on Wednesday afternoon and
evening...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from noon to 8 PM PDT Wednesday. The
Fire Weather Watch has been upgraded.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is banned during fire season.
* AFFECTED AREA...For both this evening and Wednesday afternoon
and evening, portions of Oregon Fire Zone 624 and California
Fire Zone 285.
* WIND...For this afternoon and evening, Southwest 15 to 25 mph
with gusts to 35 mph. For Wednesday southwest 20 to 30 mph with
gusts to 40 mph Wednesday afternoon and evening.
* AFTERNOON MINIMUM HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...Gusty winds and Low RH will create critical fire weather
conditions both this evening and again on Wednesday afternoon and
evening...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from noon to 8 PM PDT Wednesday. The
Fire Weather Watch is no longer in effect.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is banned during fire season.
* AFFECTED AREA...Portions of Oregon Fire Zone 625..
* WIND...Southwest 20 to 30 mph with gusts to 40 mph.
* HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
...Gusty winds and Low RH will create critical fire weather
conditions both this evening and again on Wednesday afternoon and
evening...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from noon to 8 PM PDT Wednesday. The
Fire Weather Watch has been upgraded.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is banned during fire season.
* AFFECTED AREA...For both this evening and Wednesday afternoon
and evening, portions of Oregon Fire Zone 624 and California
Fire Zone 285.
* WIND...For this afternoon and evening, Southwest 15 to 25 mph
with gusts to 35 mph. For Wednesday southwest 20 to 30 mph with
gusts to 40 mph Wednesday afternoon and evening.
* AFTERNOON MINIMUM HUMIDITY...10 to 15 percent.
* 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 Fire Weather
Watch, which is in effect from Tuesday afternoon through Tuesday
evening.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...In Oregon, the south and east parts of Fire
weather zone 624, including portions of the Fremont and Winema
National Forests. In California, the northern part of Fire
weather zone 285, including a portion of the Modoc National
Forest.
* WIND...Southwest 15 to 25 mph with gusts to 35 mph.
* AFTERNOON MINIMUM HUMIDITY...10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 641 Lower Columbia Basin of Oregon and 691 Lower
Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 to 15 percent.
* IMPACTS...The combination of wind and low relative humidity is
conducive to rapid fire spread and extreme fire behavior for new
and existing fires.
...DRY AND BREEZY CONDITIONS TODAY...
.A dry and strong cold front will produce gusty winds and low
relative humidity across the Lower Columbia Basin down to central
Oregon this afternoon and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 20 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...DRY AND BREEZY CONDITIONS TODAY...
.A dry and strong cold front will produce gusty winds and low
relative humidity across the Lower Columbia Basin down to central
Oregon this afternoon and evening.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 1 PM this afternoon to 8 PM PDT this evening.
* AFFECTED AREA...Fire Weather Zone 640 Central Mountains of
Oregon.
* WINDS...Northwest 15 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...DRY AND BREEZY CONDITIONS SUNDAY...
.A dry and strong cold front on Sunday will produce gusty winds
and low relative humidity through the Lower Columbia Basin.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 20 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...DRY AND BREEZY CONDITIONS SUNDAY...
.A dry and strong cold front on Sunday will produce gusty winds
and low relative humidity through the Lower Columbia Basin.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 1 PM to 8 PM PDT Sunday. The Fire Weather Watch is no longer
in effect.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...DRY AND BREEZY CONDITIONS SUNDAY...
.A dry and strong cold front on Sunday will produce gusty winds
and low relative humidity through the Lower Columbia Basin.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...DRY AND BREEZY CONDITIONS SUNDAY...
.A dry and strong cold front on Sunday will produce gusty winds
and low relative humidity through the Lower Columbia Basin.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Windy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
