Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
219 AM MST Thu Jun 25 2026
AZZ530-532-533-CAZ569-260300-
/O.CON.KPSR.XH.W.0003.000000T0000Z-260626T0300Z/
Parker Valley-Yuma-Central La Paz-Palo Verde Valley-
Including the cities of Blythe, Ehrenberg, Parker, Vicksburg, Yuma,
Ripley, Vicksburg Junction, Salome, Fortuna Foothills, Brenda,
Quartzsite, Palo Verde, Martinez Lake, and Harcuvar
219 AM MST Thu Jun 25 2026 /219 AM PDT Thu Jun 25 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
THIS EVENING...
* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to
112. Localized Major Heat Risk.
* WHERE...The lower Colorado River Valley, including the city of
Yuma.
* WHEN...Until 8 PM MST /8 PM PDT/ this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
237 AM PDT Thu Jun 25 2026
...RED FLAG WARNING NOW IN EFFECT FOR STRONG WINDS AND LOW
HUMIDITY FOR MUCH OF SOUTHEASTERN CALIFORNIA, SOUTHERN NEVADA,
AND NORTHWESTERN ARIZONA FROM FRIDAY MORNING THROUGH SATURDAY
EVENING...
AZZ101-102-CAZ227>229-NVZ460>466-260000-
/O.CON.KVEF.FW.W.0006.260626T1800Z-260628T0600Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-Death Valley National Park-
Mojave Desert Including Morongo Valley/Yucca Valley-
Lower Colorado River Valley-
Esmeralda and Nye County Deserts/CNC Dispatch-
Lincoln County/Ely Dispatch-Nye County Deserts/Las Vegas Dispatch-
Sheep Range-Spring Mountains-
Clark and SW Lincoln County Deserts/Las Vegas Dispatch-
Lake Mead NRA/Colorado River-NV side-
237 AM PDT Thu Jun 25 2026 /237 AM MST Thu Jun 25 2026/
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
FRIDAY TO 11 PM PDT /11 PM MST/ SATURDAY FOR STRONG WINDS AND LOW
HUMIDITY FOR MUCH OF SOUTHEASTERN CALIFORNIA, SOUTHERN NEVADA,
AND NORTHWESTERN ARIZONA...
* TIMING...From Friday morning through Saturday evening.
* WIND...Southwest winds 20 to 30 mph with gusts to 40 to 50
mph.
* HUMIDITY...5 to 15 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Phoenix AZ
107 AM MST Thu Jun 25 2026
AZZ131-CAZ231-252015-
/O.UPG.KPSR.FW.A.0002.260626T1800Z-260628T0300Z/
/O.NEW.KPSR.FW.W.0003.260626T1800Z-260628T0300Z/
Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ-
Lower Colorado River Valley CA-
107 AM MST Thu Jun 25 2026 /107 AM PDT Thu Jun 25 2026/
...RED FLAG WARNING IN EFFECT FROM 11 AM MST /11 AM PDT/ FRIDAY
TO 8 PM MST /8 PM PDT/ SATURDAY FOR STRONG WINDS, LOW RELATIVE
HUMIDITY AND VERY HIGH FIRE DANGER FOR THE LOWER COLORADO RIVER
VALLEY...
The National Weather Service in Phoenix has issued a Red Flag
Warning for strong winds, low relative humidity and very high
fire danger, which is in effect from 11 AM MST /11 AM PDT/ Friday
to 8 PM MST /8 PM PDT/ Saturday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Yuma/Martinez Lake and Vicinity/Lower Colorado
River Valley AZ and Lower Colorado River Valley CA.
* TIMING...Friday morning through Saturday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 4 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials and fire crews in the
field of this red flag warning.
&&
$$
National Weather Service Phoenix is on the internet at
weather.gov/phoenix
URGENT - FIRE WEATHER MESSAGE
National Weather Service Flagstaff AZ
101 AM MST Thu Jun 25 2026
AZZ104>118-137>140-252245-
/O.UPG.KFGZ.FW.A.0005.260626T1800Z-260629T0300Z/
/O.NEW.KFGZ.FW.W.0012.260626T1800Z-260629T0300Z/
Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country-
Coconino Plateau-Yavapai County Mountains-Northeast Plateaus and
Mesas Hwy 264 Northward-Chinle Valley-Chuska Mountains and
Defiance Plateau-Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-Little Colorado
River Valley in Apache County-Western Mogollon Rim-Eastern
Mogollon Rim-White Mountains-Northern Gila County-Yavapai County
Valleys and Basins-Oak Creek and Sycamore Canyons-Black Mesa Area-
Northeast Plateaus and Mesas South of Hwy 264-
101 AM MST Thu Jun 25 2026 /201 AM MDT Thu Jun 25 2026/
...RED FLAG WARNING IN EFFECT FROM 11 AM MST /NOON MDT/ FRIDAY TO 8
PM MST /9 PM MDT/ SUNDAY...
The National Weather Service in Flagstaff AZ has issued a Red Flag
Warning due to strong winds and low relative humidity in effect from
11 AM MST /noon MDT/ Friday to 8 PM MST /9 PM MDT/ Sunday.
* WHAT...Critical fire weather conditions expected. Southwest winds
20 to 30 mph with gusts 40 to 55 mph and relative humidity 9 to 20
percent each afternoon. Strong winds are expected to continue
through the overnight period Saturday.
* WHERE...All of northern Arizona. This includes portions of the
Apache-Sitgreaves, Coconino, Kaibab, Prescott, and Tonto national
forests.
* WHEN...From 11 AM MST /noon MDT/ Friday to 8 PM MST /9 PM MDT/
Sunday.
* IMPACTS...Rapid spread and growth of any new or existing fires.
Fires will have the potential to exhibit extreme fire behavior.
Elevated potential for new fire starts. Winds may damage power
lines, resulting in new fire starts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do your part: No open flames or sparks, keep vehicles off of dry
grass, properly dispose of cigarette butts, and avoid power equipment
that creates sparks. One less spark, one less wildfire.
Obey all fire restrictions. To view a map of current fire
restrictions, go to wildlandfire.az.gov/fire-restrictions.
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.
Please advise the appropriate officials or fire crews in the field of
this Red Flag Warning.
&&
$$
JJ
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1106 PM MDT Wed Jun 24 2026
UTZ478-482-484-488-489-492-251915-
/O.EXP.KSLC.FW.W.0012.000000T0000Z-260625T0500Z/
/O.CON.KSLC.FW.W.0013.260626T1800Z-260628T0600Z/
Salt Lake Desert-Western Uintah Basin-Tavaputs Plateau-
Manti National Forest-San Rafael Swell-Central Utah West Desert-
1106 PM MDT Wed Jun 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO
MIDNIGHT MDT SATURDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 478, 482, 484, 488, 489, AND 492...
...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR DRY
THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 478,
482, 484, 488, 489, AND 492...
* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert, Fire
Weather Zone 482 Western Uintah Basin, Fire Weather Zone 484
Tavaputs Plateau, Fire Weather Zone 488 Manti National Forest,
Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone
492 Central Utah West Desert.
* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. Winds
may temporarily turn northwesterly and lighter on Friday night
behind an initial cold front before returning to strong out of
the southwest on Saturday.
* RELATIVE HUMIDITY...As low as 7 percent with little overnight
recovery Friday night.
* 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1106 PM MDT Wed Jun 24 2026
UTZ493-251915-
/O.EXP.KSLC.FW.W.0012.000000T0000Z-260625T0500Z/
/O.CON.KSLC.FW.W.0013.260626T1800Z-260628T0900Z/
Central Utah Mountains-
1106 PM MDT Wed Jun 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 3 AM
MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 493...
...RED FLAG WARNING WILL EXPIRE AT 11 PM MDT THIS EVENING FOR DRY
THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE
493...
* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains.
* WINDS...Southwest 20 to 30 mph with gusts up to 50 mph.
* RELATIVE HUMIDITY...As low as 8 percent with little to no
overnight recovery Friday night.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1106 PM MDT Wed Jun 24 2026
UTZ495-497-251915-
/O.CON.KSLC.FW.W.0013.260626T1800Z-260628T0600Z/
Color Country West Desert-Mojave Desert-
1106 PM MDT Wed Jun 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO
MIDNIGHT MDT SATURDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 495 AND 497...
* AFFECTED AREA...Fire Weather Zone 495 Color Country West
Desert and Fire Weather Zone 497 Mojave Desert.
* WINDS...Southwest 20 to 30 mph with gusts up to 50 mph.
* RELATIVE HUMIDITY...As low as 7 percent with little to no
recovery Friday night.
* 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1106 PM MDT Wed Jun 24 2026
UTZ494-496-498-251915-
/O.CON.KSLC.FW.W.0013.260626T1800Z-260628T0900Z/
Henry Mountains-Color Country Mountains-Grand Staircase-
1106 PM MDT Wed Jun 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 3 AM
MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 494, 496, AND 498...
* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains, Fire
Weather Zone 496 Color Country Mountains and Fire Weather Zone
498 Grand Staircase.
* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph with
little relief Friday night.
* RELATIVE HUMIDITY...As low as 6 percent with little to no
recovery Friday night.
* IMPACTS...Critical fire weather conditions are expected. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/saltlakecity
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1204 PM PDT Wed Jun 24 2026
NVZ423-429-280600-
/O.UPG.KREV.FW.A.0004.260626T1800Z-260628T0600Z/
/O.NEW.KREV.FW.W.0005.260626T1800Z-260628T0600Z/
West Humboldt Basin in Pershing County-
Lahontan Basin including Churchill and Eastern Mineral Counties-
1204 PM PDT Wed Jun 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR PERSHING,
CHURCHILL, AND MINERAL COUNTIES...
The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
11 AM Friday to 11 PM PDT Saturday. The Fire Weather Watch has
been upgraded to a Red Flag Warning.
* CHANGES...Fire Weather Watch upgraded to a Red Flag Warning.
* Affected Area...Fire Weather Zone 423 West Humboldt Basin in
Pershing County, Fire Weather Zone 429 Lahontan Basin
including Churchill and Eastern Mineral Counties.
* Winds...West 20 to 30 mph with gusts up to 45 mph.
* Humidity...Afternoon minimums 10 to 15 percent.
* Duration...3 to 6 hours Friday with 3 to 8 hours Saturday.
While humidity will recover Friday night, winds will stay
breezy on midslopes and ridges.
* 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, especially from any recent
lightning holdovers.
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.
&&
$$
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1145 AM PDT Wed Jun 24 2026
NVZ001-260000-
/O.NEW.KREV.LW.Y.0020.260626T1800Z-260627T0900Z/
Mineral and Southern Lyon Counties-
Including the cities of Schurz, Mina, Smith Valley, Yerington,
and Hawthorne
1145 AM PDT Wed Jun 24 2026
...LAKE WIND ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 2 AM PDT
SATURDAY FOR WALKER LAKE...
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph for Walker
Lake.
* WHERE...Mineral and Southern Lyon Counties.
* WHEN...From 11 AM Friday to 2 AM PDT Saturday.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1145 AM PDT Wed Jun 24 2026
NVZ004-260000-
/O.NEW.KREV.LW.Y.0019.260625T2100Z-260626T0600Z/
/O.NEW.KREV.LW.Y.0020.260626T1800Z-260627T0900Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Silver Springs, Fernley, Fallon, Nixon,
Lovelock, and Imlay
1145 AM PDT Wed Jun 24 2026
...LAKE WIND ADVISORY IN EFFECT FROM 2 PM TO 11 PM PDT THURSDAY FOR
PYRAMID LAKE, LAHONTAN, AND RYE PATCH RESERVOIRS...
...LAKE WIND ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 2 AM PDT
SATURDAY FOR PYRAMID LAKE, LAHONTAN, AND RYE PATCH RESERVOIRS...
* WHAT...For Thursday, west winds 15 to 25 mph with gusts up to 35
mph for Pyramid Lake, Lahontan, and Rye Patch Reservoirs. Wave
heights 1 to 3 feet on Pyramid Lake. For Friday, west winds 20 to
30 mph with gusts up to 45 mph for Pyramid Lake, Lahontan, and Rye
Patch Reservoirs. Wave heights 2 to 4 feet on Pyramid Lake.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...For the first Lake Wind Advisory, from 2 PM to 11 PM PDT
Thursday. For the second Lake Wind Advisory, from 11 AM Friday to
2 AM PDT Saturday.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.
&&
$$
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Elko NV
1248 AM PDT Thu Jun 25 2026
NVZ424>427-438-469-470-260000-
/O.CON.KLKN.FW.A.0006.260626T1800Z-260627T0600Z/
Southeastern Humboldt County and northern Lander County-
White Pine and Northeast Nye Counties-Northern Nye County-Mojave-
Central Nevada-Toiyabe-
W Elko County, N Eureka and Lander Counties N of I80-
Central Elko County-Eastern Elko County-
1248 AM PDT Thu Jun 25 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 424, 425, 426, 427, 438, 469, AND 470...
* Affected Area...Fire Weather Zone 424 Southeastern Humboldt
County and northern Lander County, Fire Weather Zone 425 White
Pine and Northeast Nye Counties, Fire Weather Zone 426
Northern Nye County-Mojave, Fire Weather Zone 427 Central
Nevada-Toiyabe, Fire Weather Zone 438 W Elko County, N Eureka
and Lander Counties N of I80, Fire Weather Zone 469 Central
Elko County and Fire Weather Zone 470 Eastern Elko County.
* WIND...Sustained west winds 15 to 25 mph, with gusts 30 to 40
mph.
* HUMIDITY...Minimum relative humidity values as low as 7
percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A fire weather watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.
&&
$$
96
URGENT - FIRE WEATHER MESSAGE
National Weather Service Hanford CA
820 PM PDT Wed Jun 24 2026
CAZ298-299-595-251230-
/O.CON.KHNX.FW.A.0002.260626T1600Z-260628T0600Z/
Indian Wells Valley-Kern County Desert-Lake Isabella-
820 PM PDT Wed Jun 24 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH SATURDAY EVENING FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR EASTERN KERN COUNTY AND SOUTHERN PORTION OF TULARE
COUNTY...
* AFFECTED AREA...Fire weather zone Indian Wells Valley. Fire
weather zone Kern County Desert. Fire weather zone Lake
Isabella.
* WIND...50 TO 60 PERCENT PROBABILITY OF GUSTS EXCEEDING 55 MPH
ON FRIDAY IN EASTERN KERN COUNTY. 70 TO 80 PERCENT
PROBABILITY OF GUSTS EXCEEDING 55 MPH ON SATURDAY IN EASTERN
KERN COUNTY. 70 TO 80 PERCENT PROBABILITY OF GUSTS EXCEEDING
40 MPH AT LAKE ISABELLA.
* HUMIDITY...EASTERN KERN COUNTY MINIMUM RELATIVE HUMIDITY
BETWEEN 12-20 PERCENT. LAKE ISABELLA MINIMUM RELATIVE
HUMIDITY BETWEEN 25-35 PERCENT.
* THUNDERSTORMS...NO THUNDERSTORM THREAT
* IMPACTS...any fires that develop will likely spread rapidly.
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.
&&
$$
Molina
