URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
920 PM MDT Thu Jun 18 2026
UTZ492-495-191730-
/O.CON.KSLC.FW.W.0009.260619T2100Z-260620T0900Z/
Central Utah West Desert-Color Country West Desert-
920 PM MDT Thu Jun 18 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM FRIDAY TO 3 AM
MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 492 AND 495...
* AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert
and Fire Weather Zone 495 Color Country West Desert.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 9 percent.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
920 PM MDT Thu Jun 18 2026
UTZ497-191730-
/O.CON.KSLC.FW.W.0009.260619T2100Z-260620T0600Z/
Mojave Desert-
920 PM MDT Thu Jun 18 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM FRIDAY TO
MIDNIGHT MDT FRIDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 497...
* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert.
* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
756 PM PDT Thu Jun 18 2026
CAZ121>127-200200-
/O.NEW.KSTO.FW.W.0003.260619T1200Z-260620T0200Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-
Shasta County Foothills 1000-3000 ft-
E. Shasta /S. Cascades Above 3000 ft-Burney Basin-
756 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 5 AM TO 7 PM PDT FRIDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR FIRE ZONES
121,122,123,124,125,126 AND 127...
The National Weather Service in Sacramento has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 5 AM to 7 PM PDT Friday.
* Affected Area...Fire Zone 121 W. Shasta County Above 3000 ft,
Fire Zone 122 W. Shasta County 1000-3000 ft, Fire Zone 123
Shasta Lake Area & 1-5 1000-3000 ft, Fire Zone 124 Shasta
Metro, Fire Zone 125 Shasta County Foothills 1000-3000 ft,
Fire Zone 126 E. Shasta /S. Cascades Above 3000 ft and Fire
Zone 127 Burney Basin.
* Thunderstorms...Wet and dry thunderstorms with abundant
lightning.
* Outflow Winds...Gusts up to 40 mph.
* Impacts...Lightning from isolated dry thunderstorms or outside
of the main precipitation core in wet thunderstorms can create
new fire starts and may combine with strong outflow winds to
cause a fire to rapidly grow. Confidence is low on exact
coverage and wet vs dry, but latest forecast has increased
thunderstorm potential overall.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/sacramento
URGENT - FIRE WEATHER MESSAGE
National Weather Service Anchorage AK
245 PM AKDT Thu Jun 18 2026
AKZ754-191400-
/O.NEW.PAFC.FW.W.0006.260619T2100Z-260620T0900Z/
245 PM AKDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 AM AKDT
SATURDAY FOR LIGHTNING FOR LIME VILLAGE...
The National Weather Service in Anchorage has issued a Red Flag
Warning FOR LIGHTNING, which is in effect from 1 PM Friday to
1 AM AKDT Saturday.
* Timing...Thunderstorms are expected to develop Friday afternoon
with storms weakening or moving out of the area by Friday
night.
* Location...Lime Village
* Thunderstorm Coverage... Scattered to widely scattered.
* Winds...Light and variable with gusty erratic winds near
thunderstorms.
* Relative Humidity...As low at 25%.
* Temperatures...In the mid to upper 70s for lower elevations.
* Impacts...Ample lightning could lead to numerous new fire
starts
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A red flag warning means that critical fire weather conditions
are imminent or occurring now, or will shortly. It is directed
toward fire agencies, and through them to the public.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Anchorage AK
208 PM AKDT Thu Jun 18 2026
AKZ711-745>748-191400-
/O.NEW.PAFC.FW.W.0005.260619T2100Z-260620T0900Z/
208 PM AKDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 AM AKDT
SATURDAY FOR LIGHTNING FOR THE SOUTHERN, CENTRAL, WESTERN AND
NORTHERN SUSITNA VALLEY, AND THE LOWER MATANUSKA VALLEY...
The National Weather Service in Anchorage has issued a Red Flag
Warning FOR LIGHTNING, which is in effect from 1 PM Friday to
1 AM AKDT Saturday.
* Timing...Thunderstorms are expected to develop Friday afternoon
and storms weakening or moving out of the area by Friday night.
* Location...From Palmer north along the Parks Highway to
Chulitna, along the Denali Highway, and western Susitna Valley
including Skwentna.
* Thunderstorm Coverage...Scattered to widely scattered likely.
* Winds...Southwest 5 to 10 mph. Gusty and erratic winds expected
near thunderstorms.
* Relative Humidity...As low as 35 percent.
* Temperatures...In the mid to upper 70s for lower elevations.
* Impacts...Ample lightning could lead to numerous new fire
starts.
* Additional Details...Thunderstorms are expected to be wet with
brief, heavy downpours likely.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A red flag warning means that critical fire weather conditions
are imminent or occurring now, or will shortly. It is directed
toward fire agencies, and through them to the public.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
149 PM PDT Thu Jun 18 2026
NVZ420-421-192000-
/O.NEW.KREV.FW.W.0004.260619T1900Z-260620T0400Z/
/O.CON.KREV.FW.W.0003.000000T0000Z-260619T0500Z/
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
149 PM PDT Thu Jun 18 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE SIERRA
FRONT...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT FRIDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE SIERRA FRONT...
The National Weather Service in Reno has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from noon to 9 PM PDT Friday.
* CHANGES...A new Red Flag Warning has been issued in the Sierra
Front for Friday afternoon when additional thunderstorms renew
a risk of dry lightning and strong outflow winds.
* Affected Area...Fire Weather Zone 420 Northern Sierra Front
including Carson City, Douglas, Storey, Southern Washoe,
Western Lyon, and Far Southern Lassen Counties, Fire Weather
Zone 421 Southern Sierra Front including Alpine, Northern
Mono, Southern Lyon, and Western Mineral Counties.
* Thunderstorms...Thunderstorm coverage and dry lightning
potential will be isolated through this evening, becoming more
widespread Friday afternoon.
* Outflow Winds...Gusty and erratic thunderstorm outflow winds,
even well away from rain cores. Gusts to around 50 mph possible
today and Friday afternoon.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
149 PM PDT Thu Jun 18 2026
CAZ270-278-NVZ458-192000-
/O.UPG.KREV.FW.A.0003.260619T1500Z-260620T0600Z/
/O.NEW.KREV.FW.W.0004.260619T1500Z-260620T0600Z/
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
149 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 8 AM TO 11 PM PDT FRIDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE SURPRISE VALLEY,
EASTERN LASSEN AND NORTHERN WASHOE COUNTIES...
The National Weather Service in Reno has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 8 AM to 11 PM PDT Friday. The Fire Weather Watch is
no longer in effect.
* CHANGES...The Fire Weather Watch has been upgraded to a Red
Flag Warning.
* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County.
* Thunderstorms...Isolated dry lightning will be possible Friday
morning before thunderstorm coverage increases Friday afternoon.
* Outflow Winds...Gusty and erratic thunderstorm outflow winds,
even well away from rain cores. Gusts to around 50 mph
possible.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
149 PM PDT Thu Jun 18 2026
NVZ423-192000-
/O.UPG.KREV.FW.A.0003.260619T1500Z-260620T0600Z/
/O.NEW.KREV.FW.W.0004.260619T1900Z-260620T0600Z/
West Humboldt Basin in Pershing County-
149 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 11 PM PDT FRIDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE WEST HUMBOLDT BASIN
IN PERSHING COUNTY...
The National Weather Service in Reno has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from noon to 11 PM PDT Friday. The Fire Weather Watch is
no longer in effect.
* CHANGES...The Fire Weather Watch has been upgraded to a Red Flag
Warning. The start time of the Red Flag Warning has been delayed
to Friday afternoon as thunderstorm potential Friday morning has
decreased.
* Affected Area...Fire Weather Zone 423 West Humboldt Basin in
Pershing County.
* Thunderstorms....A mix of wet and dry thunderstorms Friday
afternoon.
* Outflow Winds...Gusty and erratic thunderstorm outflow winds,
even well away from rain cores. Gusts to around 60 mph
possible.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity before first responders can contain them.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
149 PM PDT Thu Jun 18 2026
NVZ429-192000-
/O.NEW.KREV.FW.W.0004.260619T1900Z-260620T0600Z/
Lahontan Basin including Churchill and Eastern Mineral Counties-
149 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 11 PM PDT FRIDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE LAHONTAN BASIN IN
CHURCHILL AND EASTERN MINERAL COUNTIES...
The National Weather Service in Reno has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from noon to 11 PM PDT Friday.
* Affected Area...Fire Weather Zone 429 Lahontan Basin including
Churchill and Eastern Mineral Counties.
* Thunderstorms...A mix of wet and dry thunderstorms Friday
afternoon. Coverage will be focused in Churchill County with
isolated thunderstorms possible in eastern Mineral County.
* Outflow Winds...Gusty and erratic thunderstorm outflow winds,
even well away from rain cores. Gusts to around 60 mph
possible.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a 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.
&&
$$
http://weather.gov/reno
URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
105 PM PDT Thu Jun 18 2026
NVZ424-437-438-469-470-190415-
/O.UPG.KLKN.FW.A.0004.260619T2100Z-260620T0600Z/
/O.NEW.KLKN.FW.W.0004.260619T2100Z-260620T0600Z/
Southeastern Humboldt County and northern Lander County-
Humboldt County-Quinn-
W Elko County, N Eureka and Lander Counties N of I80-
Central Elko County-Eastern Elko County-
105 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT FRIDAY FOR
ISOLATED TO SCATTERED DRY THUNDERSTORMS FOR FIRE WEATHER ZONES
424, 437, 438, 469, AND 470...
The National Weather Service in Elko has issued a Red Flag
Warning, which is in effect from 2 PM to 11 PM PDT Friday. The
Fire Weather Watch is no longer in effect.
* THUNDERSTORMS...Isolated to scattered dry thunderstorms.
* WIND...Erratic wind gusts around 50 mph in and near dry
thunderstorms.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
105 PM PDT Thu Jun 18 2026
NVZ425>427-190415-
/O.UPG.KLKN.FW.A.0004.260619T1800Z-260620T0600Z/
/O.NEW.KLKN.FW.W.0004.260619T1800Z-260620T0600Z/
White Pine and Northeast Nye Counties-Northern Nye County-Mojave-
Central Nevada-Toiyabe-
105 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY FOR
WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 425, 426, AND 427...
The National Weather Service in Elko has issued a Red Flag
Warning, which is in effect from 11 AM to 11 PM PDT Friday. The
Fire Weather Watch is no longer in effect.
* WIND...Sustained south winds near 20 mph, with gusts near 35
mph.
* HUMIDITY...Minimum relative humidity values as low as 8
percent.
* HIGHEST THREAT...is located in zone 425.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1251 PM PDT Thu Jun 18 2026
...Scattered dry and wet thunderstorms develop on Friday...
.An upper level low will inject elevated moisture to the region
by Friday morning. Storms will track towards the north through
the day. A mix of dry and wet storms will provide abundant
lightning to the region through Friday evening.
ORZ621-190800-
/O.NEW.KMFR.FW.W.0003.260619T1500Z-260620T0200Z/
Siskiyou Mountains-
1251 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 8 AM TO 7 PM PDT FRIDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 621...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 8 AM to 7 PM PDT Friday.
* IMPACTS...Abundant lightning on dry fuels will likely create new
ignitions across the region. Any fires that develop could
spread rapidly. Numerous new fire starts could overwhelm initial
attack.
* AFFECTED AREA...Fire weather zone 621 in the Siskiyou Mountains.
* THUNDERSTORMS...Moving northeast around 20 to 25 mph. Storm
mode will be a mix of dry and wet thunderstorms.
* OUTFLOW WINDS...Gusts up to 35 mph.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Follow all fire restrictions. You can find your county`s
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.
Be sure you`re signed up for your county`s emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.
A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
&&
$$
Visit us at www.weather.gov/Medford
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1251 PM PDT Thu Jun 18 2026
...Scattered dry and wet thunderstorms develop on Friday...
.An upper level low will inject elevated moisture to the region
by Friday morning. Storms will track towards the north through
the day. A mix of dry and wet storms will provide abundant
lightning to the region through Friday evening.
CAZ280-281-284-285-190800-
/O.UPG.KMFR.FW.A.0001.260619T1100Z-260620T0200Z/
/O.NEW.KMFR.FW.W.0003.260619T1500Z-260620T0200Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
1251 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 8 AM TO 7 PM PDT FRIDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281,
284, AND 285...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 8 AM to 7 PM PDT Friday. The
Fire Weather Watch is no longer in effect.
* IMPACTS...Abundant lightning on dry fuels will likely create new
ignitions across the region. Any fires that develop could spread
rapidly. Numerous new fire starts could overwhelm initial
attack.
* AFFECTED AREA...Fire weather zones 280,281,284 and 285 in
California. The majority of Siskiyou and Modoc Counties.
* THUNDERSTORMS...Moving north around 20 to 25 mph. Storm mode
will be a mix of dry and wet thunderstorms.
* OUTFLOW WINDS...Gusts up to 35 mph.
* 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
1251 PM PDT Thu Jun 18 2026
...Scattered dry and wet thunderstorms develop on Friday...
.An upper level low will inject elevated moisture to the region
by Friday morning. Storms will track towards the north through
the day. A mix of dry and wet storms will provide abundant
lightning to the region through Friday evening.
ORZ624-625-190800-
/O.UPG.KMFR.FW.A.0001.260619T2000Z-260620T0800Z/
/O.NEW.KMFR.FW.W.0003.260619T2000Z-260620T0800Z/
Klamath Basin and the Fremont-Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern
Lake and Western Harney Counties-
1251 PM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 1 AM PDT
SATURDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 624 AND 625...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 1 PM Friday to 1 AM PDT
Saturday. The Fire Weather Watch is no longer in effect.
* IMPACTS...Abundant lightning on dry fuels will likely create new
ignitions across the region. Any fires that develop could spread
rapidly. Numerous new fire starts could overwhelm initial
attack.
* AFFECTED AREA...Fire weather zones 624 and 625, covering most
of Klamath and Lake Counties. The southern portions of the
zones near the California border have the highest chances of
seeing abundant lightning.
* THUNDERSTORMS...Moving northeast around 20 to 25 mph. Storm
mode will be a mix of dry and wet thunderstorms.
* OUTFLOW WINDS...Gusts up to 35 mph.
* 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 Boise ID
1257 PM MDT Thu Jun 18 2026
...RED FLAG WARNING FOR LIGHTNING...
.An upper trough from the Pacific is forecast to move into
southeast Oregon beginning Friday afternoon, then across
southwest Idaho Friday night into Saturday. The trough will bring
a 30 to 60 percent chance of thunderstorms with potential for new
fire starts due to lightning. Initial storms may be dry with
strong gusty outflow winds, especially in southeast Oregon, but
storms overnight through Saturday will gradually trend wetter as
they spread into Idaho.
IDZ423-426-191500-
/O.UPG.KBOI.FW.A.0004.260620T0000Z-260620T1800Z/
/O.NEW.KBOI.FW.W.0006.260620T0000Z-260620T1800Z/
Owyhee Mountains-Southern Highlands-
1257 PM MDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 6 PM FRIDAY TO NOON MDT
SATURDAY FOR LIGHTNING FOR OWYHEE MOUNTAINS AND SOUTHERN
HIGHLANDS...WHICH ARE FIRE WEATHER ZONES 423 AND 426...
The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from 6 PM Friday to
noon MDT Saturday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee
Mountains and 426 Southern Highlands.
* TIMING...From 6 PM Friday to noon MDT Saturday.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 45 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
&&
$$
L
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
1257 PM MDT Thu Jun 18 2026
...RED FLAG WARNING FOR LIGHTNING...
.An upper trough from the Pacific is forecast to move into
southeast Oregon beginning Friday afternoon, then across
southwest Idaho Friday night into Saturday. The trough will bring
a 30 to 60 percent chance of thunderstorms with potential for new
fire starts due to lightning. Initial storms may be dry with
strong gusty outflow winds, especially in southeast Oregon, but
storms overnight through Saturday will gradually trend wetter as
they spread into Idaho.
ORZ670-672-191500-
/O.UPG.KBOI.FW.A.0004.260619T2000Z-260620T1200Z/
/O.NEW.KBOI.FW.W.0006.260619T2000Z-260620T1200Z/
Burns BLM-Southern Grasslands-
1157 AM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 5 AM PDT
SATURDAY FOR LIGHTNING FOR BURNS BLM AND SOUTHERN GRASSLANDS...
WHICH ARE FIRE WEATHER ZONES 670 AND 672...
The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from 1 PM Friday to
5 AM PDT Saturday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM
and 672 Southern Grasslands.
* TIMING...From 1 PM Friday to 5 AM PDT Saturday.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
&&
$$
Urgent - Fire Weather Message
National Weather Service Eureka CA
1155 AM PDT Thu Jun 18 2026
CAZ403-406-409-410-191200-
/O.UPG.KEKA.FW.A.0001.260619T1200Z-260620T0400Z/
/O.NEW.KEKA.FW.W.0002.260619T1500Z-260620T0200Z/
Northeastern Interior Humboldt and Southwestern Siskiyou
Including Orleans-
Eastern Interior Humboldt Including Willow Creek and Hoopa-
Northwestern Trinity Including Salyer and Big Bar-
Northeastern Trinity Including Trinity Lake-
1155 AM PDT Thu Jun 18 2026
...RED FLAG WARNING IN EFFECT FROM 8 AM TO 7 PM PDT FRIDAY...
The National Weather Service in Eureka has issued a Red Flag
Warning, which is in effect from 8 AM to 7 PM PDT Friday. The
Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Northern Trinity and Humboldt Counties
including fire weather zones 403, 406, 409, and 410.
* THUNDERSTORMS...Isolated, mostly dry thunderstorms may form over
the higher terrain of northern Humboldt and Trinity counties as
early as 4 AM Friday morning and then through Friday afternoon.
Overall thunderstorm confidence remains very uncertain.
* OUTFLOW WINDS...Storms could produce gusty and erratic
outflow winds up to 40 mph.
* IMPACTS...Thunderstorms may ignite new fires with dry fuels
and in difficult to access locations. Any fires that develop
will likely spread rapidly. Outdoor burning is not
recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/eureka
URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1030 AM PDT Thu Jun 18 2026
AZZ101-NVZ460>466-191100-
/O.UPG.KVEF.FW.A.0004.260619T1800Z-260620T0600Z/
/O.NEW.KVEF.FW.W.0004.260619T1800Z-260620T0600Z/
Lake Mead NRA/Colorado River-AZ side-
Esmeralda and Nye County Deserts/CNC Dispatch-
Lincoln County/Ely Dispatch-Nye County Deserts/Las Vegas Dispatch-
Sheep Range-Spring Mountains-
Clark and SW Lincoln County Deserts/Las Vegas Dispatch-
Lake Mead NRA/Colorado River-NV side-
1030 AM PDT Thu Jun 18 2026 /1030 AM MST Thu Jun 18 2026/
...RED FLAG WARNING IS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR SOUTHERN
NEVADA AND THE ARIZONA SIDE OF THE COLORADO RIVER..
The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from 11 AM PDT /11 AM MST/ to 11 PM
PDT /11 PM MST/ Friday. This Red Flag Warning has replaced the
Fire Weather Watch.
* AFFECTED AREA...In AZZ101...Fire weather zone 101.In Nevada...
Fire weather zones 460, 461, 462, 463, 464, 465, and 466.
* TIMING...Late Friday morning through Friday evening.
* WIND...South winds 20 to 25 mph with gusts to 35 mph.
* HUMIDITY...5 to 15 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1030 AM PDT Thu Jun 18 2026
AZZ102-191100-
/O.UPG.KVEF.FW.A.0004.260619T1800Z-260620T0300Z/
/O.NEW.KVEF.FW.W.0004.260619T1800Z-260620T0300Z/
Northwest Deserts/Northwest Plateau-
1030 AM MST Thu Jun 18 2026
...RED FLAG WARNING IS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR MOHAVE
COUNTY....
The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MST Friday. This
Red Flag Warning has replaced the Fire Weather Watch.
* AFFECTED AREA...In AZZ102...Fire weather zone 102.
* TIMING...Late Friday morning into Friday evening.
* WIND...South to southwest winds 20 to 25 mph with gusts to 35
mph.
* HUMIDITY...5 to 15 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$ |
