Extreme Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
317 PM MDT Fri Aug 22 2025

UTZ123-124-230300-
/O.CON.KSLC.XH.W.0003.000000T0000Z-250823T0300Z/
Lower Washington County-Zion National Park-
Including the following locations - St George, Springdale,
Hurricane, and Ivins
317 PM MDT Fri Aug 22 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 106
  expected.

* WHERE...Lower Washington County and Zion National Park.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/saltlakecity.

For information on potential travel impacts visit
http://udottraffic.utah.gov

JAC

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
702 AM PDT Fri Aug 22 2025

CAZ300-304-307-308-313-314-316-317-319-321-222200-
/O.CON.KHNX.XH.W.0002.250822T1800Z-250824T1500Z/
West Side Mountains north of 198-Coalinga - Avenal-Fresno-Clovis-
West Side Mountains South of 198-Buena Vista-Bakersfield-South
End San Joaquin Valley-Mariposa Madera Foothills-Fresno-Tulare
Foothills-South End Sierra Foothills-
Including the cities of Coalinga, Lamont, San Luis Reservoir,
Bakersfield, Taft, El Portal, Fresno, Mariposa, McKittrick,
Blackwells Corner, Arvin, Millerton Lake, and Avenal
702 AM PDT Fri Aug 22 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 AM PDT SUNDAY...

* WHAT...Dangerously hot conditions with high temperatures up to 105
  expected. Warm overnight lows in the mid 70s to lower 80s from
  Friday until Sunday morning.

* WHERE...Bakersfield, Buena Vista, Coalinga - Avenal,
  Fresno-Clovis, Fresno-Tulare Foothills, Mariposa Madera Foothills,
  South End San Joaquin Valley, South End Sierra Foothills, West
  Side Mountains South of 198, and West Side Mountains north of 198.

* WHEN...From 11 AM this morning to 8 AM PDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Stay cool, stay hydrated, stay informed.



&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
122 AM PDT Fri Aug 22 2025

AZZ001>003-036-CAZ520-522>527-NVZ015>017-020>022-230900-
/O.CON.KVEF.XH.W.0009.000000T0000Z-250824T0600Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Owens Valley-Death Valley
National Park-Western Mojave Desert-Eastern Mojave Desert-Morongo
Basin-Cadiz Basin-San Bernardino County-Upper Colorado River
Valley-Lincoln County-Northeast Clark County-Western Clark and
Southern Nye County-Las Vegas Valley-Lake Mead National
Recreation Area-Southern Clark County-
Including the cities of Mitchell Caverns, Western Grand Canyon,
Caliente, Indian Springs, Furnace Creek, Oatman, Pipe Spring
National Monument, Hiko, Desert Hills, Primm, Yucca, Desert Rock,
Boulder City, North Las Vegas, Searchlight, Daggett,
Independence, Pahrump, Colorado City, Lake Havasu City, Stovepipe
Wells, Barstow, Needles, Wikieup, Fort Irwin, Henderson, Olancha,
Yucca Valley, Twentynine Palms, Vidal Junction, Pioche,
Cal-Nev-Ari, Golden Valley, Panaca, Dolan Springs, Tuweep,
Amargosa Valley, Hoover Dam, Laughlin, Moapa, Mountain Pass,
Kingman, Lone Pine, Baker, Topock, Las Vegas, Bullhead City,
Shoshone, Morongo Valley, Overton, Bishop, Rachel, Alamo,
Mesquite, Valentine, Mohave Valley, and Mt Trumbull
122 AM PDT Fri Aug 22 2025 /122 AM MST Fri Aug 22 2025/

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM
MST/ SATURDAY...

* WHAT...Dangerously hot conditions with temperatures around 105 in
  Kingman, Golden Valley, Dolan Springs; around 110 in Las Vegas,
  Pahrump, Barstow, Yucca Valley, Twentynine Palms; around 115 in
  Laughlin, Bullhead City, Needles, Lake Havasu City; around 120 at
  Furnace Creek in Death Valley National Park. Expect minimal
  overnight relief. Major-to-Extreme Heat Risk. In the Owens Valley,
  temperatures will be around 100 to 105, yielding Moderate Heat
  Risk.

* WHERE...Portions of northwest Arizona, southeast California, and
  south central and southern Nevada.

* WHEN...Until 11 PM PDT /11 PM MST/ Saturday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$