Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
810 PM MST Wed Jun 24 2026
AZZ530-532-533-CAZ569-252300-
/O.CON.KPSR.XH.W.0003.000000T0000Z-260626T0300Z/
Parker Valley-Yuma-Central La Paz-Palo Verde Valley-
Including the cities of Parker, Yuma, Salome, Vicksburg Junction,
Fortuna Foothills, Vicksburg, Ripley, Ehrenberg, Quartzsite, Martinez
Lake, Brenda, Harcuvar, Blythe, and Palo Verde
810 PM MST Wed Jun 24 2026 /810 PM PDT Wed Jun 24 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
THURSDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
112 degrees. Localized Major Heat Risk.
* WHERE...The lower Colorado River Valley, including the city of
Yuma.
* WHEN...Until 8 PM MST /8 PM PDT/ Thursday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
810 PM MST Wed Jun 24 2026
AZZ537-540-542>544-546-548-550-551-252300-
/O.CON.KPSR.XH.W.0003.000000T0000Z-260626T0300Z/
Northwest Valley-Buckeye/Avondale-Deer Valley-Central Phoenix-
North Phoenix/Glendale-Scottsdale/Paradise Valley-East Valley-
South Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Circle City, Cashion, Liberty, Avondale,
Peoria, Gilbert, Mesa, Surprise, Chandler, Tempe, Beardsley,
Goodyear, Paradise Valley, Phoenix, Queen Creek, Wittmann, Sun Lakes,
and Sun City West
810 PM MST Wed Jun 24 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THURSDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to
113 degrees. Localized Major Heat Risk.
* WHERE...The entire Phoenix metropolitan area.
* WHEN...Until 8 PM MST Thursday.
* 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.
* ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free
cooling center, transportation, water, and more.
http://www.maricopa.gov/heat
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
124 PM MST Wed Jun 24 2026
AZZ504-506-507-509-251200-
/O.CON.KTWC.XH.W.0002.000000T0000Z-260626T0300Z/
Tucson Metro Area-Southeast Pinal County-Upper San Pedro River
Valley-Upper Gila River Valley-
Including the cities of Benson, Oracle, Vail, Marana, Sierra Vista,
Clifton, Mammoth, Safford, Tucson, and Green Valley
124 PM MST Wed Jun 24 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THURSDAY...
* WHAT...Dangerously hot conditions with afternoon temperatures of
106 to 109 degrees. Localized Major Heat Risk.
* WHERE...Southeast Pinal County, Tucson Metro Area, Upper Gila River
Valley, and Upper San Pedro River Valley (mainly north of Benson).
* WHEN...Until 8 PM MST Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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.
&&
$$
JT
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Phoenix AZ
123 PM MST Wed Jun 24 2026
AZZ133-251200-
/O.EXT.KPSR.FW.A.0002.260626T1800Z-260629T0300Z/
Southern Gila County/Tonto National Forest Foothills-
123 PM MST Wed Jun 24 2026
...FIRE WEATHER WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
SUNDAY EVENING FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND VERY
HIGH FIRE DANGER FOR TONTO NATIONAL FOREST AND SOUTHERN GILA
COUNTY...
* AFFECTED AREA...Southern Gila County/Tonto National Forest
Foothills.
* TIMING...Friday morning through Sunday evening.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Rapid spread and growth of any new or existing
fires. Fires will have the potential to exhibit extreme fire
behavior. Elevated potential for new fire starts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials and fire crews in the
field of this fire weather watch.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
119 PM MST Wed Jun 24 2026
AZZ150>154-251200-
/O.NEW.KTWC.FW.A.0002.260627T1700Z-260629T0300Z/
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
Arizona Fire Weather Zone 151
Western half Desert Grasslands FDRA including elevations up to
5500 feet in Southeast corner of Pinal County-
Extreme Eastern Pima County-Western third of Cochise County-
Santa Cruz County-TDC-Arizona Fire Weather Zone 152
Eastern half Desert Grasslands FDRA including elevations up to
5500 feet in Southwest Graham County and Eastern two thirds of
Cochise County-Southern San Carlos Reservation-
Southern Greenlee County below 5000 feet-TDC-
Arizona Fire Weather Zone 153
Northern Graham County-Northern Greenlee County-
White and Gila Mountains-Apache Sitgreaves NF-
Southern San Carlos Reservation above 5000 feet-SDC-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
119 PM MST Wed Jun 24 2026
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY,
AND HIGH TO VERY HIGH FIRE DANGER FOR FIRE WEATHER ZONES 150,
151, 152, 153, AND 154...
The National Weather Service in Tucson has issued a Fire Weather
Watch for strong and gusty winds, low relative humidity, and high
to very high fire danger, which is in effect from Saturday
morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zones 150, 151, 152, 153 and 154.
* TIMING...From 10 AM MST Saturday through 8 PM MST Sunday.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 to 40 mph.
* RELATIVE HUMIDITY...8 to 15 percent.
* IMPACTS...Any fires that develop or are ongoing will have the
potential to spread rapidly.
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.
Please advise the appropriate officials or fire crews in the
field of the Fire Weather Watch for portions of Southeast
Arizona.
&&
$$
Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
URGENT - FIRE WEATHER MESSAGE
National Weather Service Flagstaff AZ
1212 AM MST Wed Jun 24 2026
AZZ104>118-137>140-251200-
/O.CON.KFGZ.FW.A.0005.260626T1800Z-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-
1212 AM MST Wed Jun 24 2026 /112 AM MDT Wed Jun 24 2026/
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
SUNDAY EVENING...
* WHAT...Critical fire weather conditions. Southwest winds 20 to 30
mph with gusts 40 to 50 mph and relative humidity 8 to 16 percent
expected each afternoon.
* WHERE...All of northern Arizona.
* WHEN...From Friday morning through Sunday evening.
* 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...
A Fire Weather Watch means that critical fire weather conditions are
possible. These conditions could promote the rapid spread and growth
of wildfires, which could become life-threatening. For forecast
updates, go to weather.gov/flagstaff.
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.
Obey all fire restrictions. To view a map of current fire
restrictions, go to wildlandfire.az.gov/fire-restrictions.
Please advise the appropriate officials or fire crews in the field of
this Fire Weather Watch.
&&
$$
Humphreys