Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
CAZ281-220300-
/O.CON.KMFR.FW.W.0017.260821T2100Z-260822T0400Z/
Central Siskiyou County Including Shasta Valley-
409 AM PDT Fri Aug 21 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE
WEATHER ZONE 281...
A Red Flag Warning has also been issued from 2 PM to 9 PM PDT
Friday.
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In California...Fire weather zone 281,
including the Shasta Valley.
* WIND...South to southwest 15 to 25 mph with gusts up to 30 mph.
* HUMIDITY...Minimum humidity 12 to 17 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
CAZ284-285-220300-
/O.CON.KMFR.FW.W.0017.260821T2100Z-260822T0400Z/
/O.CON.KMFR.FW.A.0009.260822T2100Z-260823T0400Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
409 AM PDT Fri Aug 21 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE
WEATHER ZONES 284 AND 285...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR
FIRE WEATHER ZONES 284 AND 285...
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In California...Fire weather zones 284 and
285, including the Modoc National Forest.
* WIND...South to southwest 15 to 20 mph with gusts 25 to 30
mph.
* HUMIDITY...Minimum humidity 10 to 17 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
ORZ624-220300-
/O.CON.KMFR.FW.W.0017.260821T2100Z-260822T0400Z/
/O.CON.KMFR.FW.A.0009.260822T2100Z-260823T0400Z/
Klamath Basin and the Fremont-Winema National Forest-
409 AM PDT Fri Aug 21 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE
WEATHER ZONE 624...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR
FIRE WEATHER ZONE 624...
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In Oregon, Fire weather zone 624, including the
Wrights Spring Fire and the Fremont-Winema National Forest.
* WIND...South to southwest 15 to 20 mph with gusts up to 30 mph.
* HUMIDITY...Minimum humidity around 12 to 18 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
450 AM PDT Fri Aug 21 2026
ORZ041-044-049-505-507-508-510-511-WAZ024-026>029-220200-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Eastern Columbia River Gorge of Oregon-Lower Columbia Basin of
Oregon-Grande Ronde Valley-John Day Basin-Foothills of the
Northern Blue Mountains of Oregon-Foothills of the Southern Blue
Mountains of Oregon-North Central Oregon-Central Oregon-Eastern
Columbia River Gorge of Washington-Kittitas Valley-Yakima Valley-
Lower Columbia Basin of Washington-Foothills of the Blue
Mountains of Washington-
Including the cities of Toppenish, Arlington, Dayton, Prineville,
Tri-Cities, Spray, Athena, Fossil, Walla Walla, The Dalles,
Pendleton, Mitchell, Prosser, Thorp, Condon, Moro, Dayville,
Boardman, Dufur, Sunnyside, Bend, Maupin, White Salmon, Elgin, Ione,
Connell, Union, La Grande, Madras, Ellensburg, Naches, Cove,
Hermiston, Waitsburg, Monument, Heppner, Yakima, Pilot Rock, John
Day, and Redmond
450 AM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...Hot conditions with temperatures up to 106 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
450 AM PDT Fri Aug 21 2026
ORZ050-502-503-506-WAZ030-521-523-220200-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
Wallowa County-Northern Blue Mountains of Oregon-Southern Blue
Mountains of Oregon-Ochoco-John Day Highlands-Northwest Blue
Mountains-Simcoe Highlands-Lower Slopes of the Eastern Washington
Cascades Crest-
Including the cities of Paulina, Cle Elum, Tollgate, Appleton, Ukiah,
Bickleton, Seneca, Wallowa, Joseph, Meacham, Long Creek, Prairie
City, Goldendale, Ski Bluewood Resort, Brothers, Cliffdell, North
Powder, and Enterprise
450 AM PDT Fri Aug 21 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
* WHAT...Hot conditions with temperatures up to 94 degrees. This will
pose a moderate to major risk of heat-related illness.
* WHERE...Blue Mountains of Oregon and Washington, Wallowa County,
Ochoco-John Day Highlands, Simcoe Highlands, and Lower Slopes of
the Eastern Washington Cascades Crest.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.
&&
$$
Marc Russell
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
444 AM PDT Fri Aug 21 2026
...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY...
.A weather system will bring widespread breezy westerly winds
through the Cascade gaps and across the Columbia Basin and
portions of the Blue Mountains region on Saturday afternoon and
evening. Coupled with low relative humidity, this may lead to
critical fire weather conditions.
ORZ696-698-700-220600-
/O.CON.KPDT.FW.A.0011.260822T1900Z-260823T0500Z/
John Day Valley-Southern Blue Mountains-
Central Mountains of Oregon-
444 AM PDT Fri Aug 21 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES OR696, OR698, AND OR700...
* AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 698
Southern Blue Mountains and 700 Central Mountains of Oregon.
* TIMING...From Saturday afternoon through Saturday evening.
* WINDS...West 10 to 15 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 13 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
CAZ284-285-220300-
/O.CON.KMFR.FW.W.0017.260821T2100Z-260822T0400Z/
/O.CON.KMFR.FW.A.0009.260822T2100Z-260823T0400Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
409 AM PDT Fri Aug 21 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE
WEATHER ZONES 284 AND 285...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR
FIRE WEATHER ZONES 284 AND 285...
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In California...Fire weather zones 284 and
285, including the Modoc National Forest.
* WIND...South to southwest 15 to 20 mph with gusts 25 to 30
mph.
* HUMIDITY...Minimum humidity 10 to 17 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
ORZ624-220300-
/O.CON.KMFR.FW.W.0017.260821T2100Z-260822T0400Z/
/O.CON.KMFR.FW.A.0009.260822T2100Z-260823T0400Z/
Klamath Basin and the Fremont-Winema National Forest-
409 AM PDT Fri Aug 21 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING FOR STRONG GUSTY WIND AND LOW RH FOR FIRE
WEATHER ZONE 624...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR
FIRE WEATHER ZONE 624...
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In Oregon, Fire weather zone 624, including the
Wrights Spring Fire and the Fremont-Winema National Forest.
* WIND...South to southwest 15 to 20 mph with gusts up to 30 mph.
* HUMIDITY...Minimum humidity around 12 to 18 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
409 AM PDT Fri Aug 21 2026
ORZ625-220300-
/O.CON.KMFR.FW.A.0009.260822T2100Z-260823T0400Z/
South Central Oregon Desert including the BLM Land in Eastern
Lake and Western Harney Counties-
409 AM PDT Fri Aug 21 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR STRONG GUSTY WIND AND LOW RH FOR
FIRE WEATHER ZONE 625...
* IMPACTS...Gusty winds combined with low RH could lead to the
rapid spread of any new or existing fires.
* AFFECTED AREA...In Oregon...Fire weather zone 625, including
the high desert of Lake County and the Hart Mountain Antelope
Refuge.
* WIND...South to southwest 15 to 25 mph with with gusts 30 to
35 mph.
* HUMIDITY...Minimum humidity 10 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. Avoid activities that could cause
sparks. Visit weather.gov/medford/wildfire for links to fire
restrictions in your area.
If you have not packed your go kit yet, now is the time to do so.
This includes items like important documents and essentials you
cannot live without. Fill your vehicle`s fuel tank. Visit
ready.gov/kit for more information.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.
&&
$$
Visit us at www.weather.gov/Medford
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
1240 PM MDT Thu Aug 20 2026
...COLD FRONTAL WINDS AND LOW RH...
...THUNDERSTORMS BEFORE AND DURING RFW VALID PERIOD...
A dry cold frontal passage brings gusty pre-frontal winds on
Saturday, while keeping the air dry despite cooler temperatures
from Friday. The elevated fire weather is complimented by a 10%
chance of thunder, highest Saturday afternoon and evening with
storms capable of producing 45 mph outflows and cloud to ground
lightning. Earlier Saturday morning, showers could become
developed enough to produce very isolated lightning before the
elevated fire weather later in the day
ORZ670>672-212000-
/O.NEW.KBOI.FW.A.0009.260822T2100Z-260823T0300Z/
Burns BLM-Steens Mountain-Southern Grasslands-
1140 AM PDT Thu Aug 20 2026
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR WINDS AND LOW RELATIVE HUMIDITIES FOR BURNS
BLM...STEENS MOUNTAIN AND SOUTHERN GRASSLANDS...WHICH ARE FIRE
WEATHER ZONES 670...671 AND 672...
The National Weather Service in Boise has issued a Fire Weather
Watch for winds and low relative humidities, which is in effect
from Saturday afternoon through Saturday evening.
* AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM,
671 Steens Mountain and 672 Southern Grasslands.
* TIMING...From Saturday afternoon through Saturday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...11 to 17 percent.
* TEMPERATURES...85 to 93 degrees.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
&&
$$
W
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1052 AM PDT Thu Aug 20 2026
CAZ270-278-NVZ458-211800-
/O.NEW.KREV.FW.A.0008.260822T1800Z-260823T0600Z/
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1052 AM PDT Thu Aug 20 2026
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEASTERN
CALIFORNIA AND FAR NORTHWESTERN NEVADA...
The National Weather Service in Reno has issued a Fire Weather
Watch for gusty winds and low humidity, which is in effect from
Saturday morning through Saturday evening.
* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County.
* Winds...Southwest 15 to 25 mph with gusts to 35-40 mph.
* Humidity...As low as 12 percent.
* Duration...3 to 6 hours.
* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
&&
$$
http://weather.gov/reno
Air Quality Alert
ORC013-031-063-065-212000-
Crook-Jefferson-Wallowa-Wasco-
Including the cities of Prineville, Post, Paulina, Madras,
Warm Springs, Culver, Enterprise, Joseph, Wallowa..Imnaha, Troy,
Lostine, The Dalles, Maupin, Shaniko, and Tygh Valley
900 AM PDT Thu Aug 20 2026
...AIR QUALITY ADVISORY IN EFFECT UNTIL FRIDAY AFTERNOON...
Oregon Department of Environmental Quality has issued an Air Quality
Advisory until Friday afternoon.
For the Smoke Air Quality Advisory, wildfires burning in the region
combined with forecasted conditions will cause air quality to reach
unhealthy levels.
Pollutants in smoke can cause burning eyes, runny nose, aggravate
heart and lung diseases, and aggravate other serious health problems.
Limit outdoor activities and keep children indoors if it is smoky.
Please follow medical advice if you have a heart or lung condition.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
$$