Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1035 PM MST Thu Jul 30 2026
AZZ005-038-311900-
/O.CON.KFGZ.XH.W.0007.260731T1700Z-260803T0300Z/
Marble and Glen Canyons-Oak Creek and Sycamore Canyons-
Including the cities of Page, Sedona, Lees Ferry, and Village of Oak
Creek
1035 PM MST Thu Jul 30 2026 /1135 PM MDT Thu Jul 30 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /11 AM MDT/
FRIDAY TO 8 PM MST /9 PM MDT/ SUNDAY...
* WHAT...Dangerously hot conditions, with temperatures around 105 to
110 expected.
* WHERE...Marble Canyon, Glen Canyon, and Oak Creek Canyon; including
Page and Sedona.
* WHEN...From 10 AM MST /11 AM MDT/ Friday to 8 PM MST /9 PM MDT/
Sunday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
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 action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
Stay cool, stay hydrated, stay informed.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
933 PM MDT Thu Jul 30 2026
UTZ027-029-312115-
/O.CON.KGJT.XH.W.0002.260801T1800Z-260804T0300Z/
Arches/Grand Flat-Canyonlands/Natural Bridges-
Including the cities of Moab, Arches National Park, Castle Valley,
Thompson Springs, Dead Horse Point State Park, Canyonlands National
Park, Natural Bridges, and Fry Canyon
933 PM MDT Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM
MDT MONDAY...
* WHAT...Dangerously hot conditions with heat index values up to 110
expected, and overnight low temperatures in the 80s.
* WHERE...Arches/Grand Flat and Canyonlands/Natural Bridges.
* WHEN...From noon Saturday to 9 PM MDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ102-104>106-311200-
/O.UPG.KSLC.XH.A.0004.260801T1800Z-260803T0300Z/
/O.EXB.KSLC.XH.W.0003.260801T1800Z-260803T0300Z/
Tooele and Rush Valleys-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-
Including the following locations - Vernon, Grantsville, Tooele,
Provo, Payson, Bountiful, Sandy, West Jordan, Salt Lake City,
Ogden, and Lehi
259 PM MDT Thu Jul 30 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...
* WHAT...Dangerously hot conditions with temperatures up to 105
expected. Warm overnight lows in the upper 60s to mid 70s will
offer little relief.
* WHERE...Northern Wasatch Front, Salt Lake, Tooele, Rush, and Utah
Valleys.
* WHEN...From noon Saturday to 9 PM MDT 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ123-124-128>131-311200-
/O.CON.KSLC.XH.W.0003.260731T1800Z-260803T0300Z/
Lower Washington County-Zion National Park-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-Glen
Canyon Recreation Area/Lake Powell-
Including the following locations - Kanab, Ivins, Springdale,
Escalante, Big Water, Loa, Torrey, Bullfrog, Hurricane,
Hanksville, and St George
259 PM MDT Thu Jul 30 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 9 PM
MDT SUNDAY...
* WHAT...Dangerously hot conditions with temperatures up to 105 on
Friday, up to 106 on Saturday, and up to 108 on Sunday. Warm
overnight lows in the upper 60s to mid 70s will offer little
relief.
* WHERE...Capitol Reef National Park and Vicinity, Glen Canyon
Recreation Area/Lake Powell, South Central Utah, Western
Canyonlands, Lower Washington County, and Zion National Park.
* WHEN...From noon Friday to 9 PM MDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
932 AM PDT Thu Jul 30 2026
AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025-
026-311100-
/O.CON.KVEF.XH.W.0003.260730T1700Z-260803T0300Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Lake Mead - AZ side-
Lake Mohave - AZ side-Hualapai Mountains-Northwest Deserts-Death
Valley National Park-Western Mojave Desert-Eastern Mojave Desert-
Morongo Basin-Cadiz Basin-San Bernardino County-Upper Colorado
River Valley-Owens Valley South-Owens Valley North-Esmeralda and
Central Nye County-Lincoln County-Northeast Clark County-Western
Clark and Southern Nye County-Las Vegas Valley-Southern Clark
County-Lake Mead - NV side-Lake Mohave - NV side-
Including the cities of Lake Havasu City, Vidal Junction, Primm, Fort
Irwin, Mesquite, Mitchell Caverns, Western Grand Canyon,
Yucca, Cal-Nev-Ari, Golden Valley, Twentynine Palms, Valentine,
Needles, Shoshone, Beatty, Dolan Springs, Temple Bar, Searchlight,
Pioche, Panaca, Alamo, Wikieup, Mountain Pass, Henderson, South Cove,
Daggett, Rachel, Furnace Creek, Silver Peak, Dyer, North Las Vegas,
Morongo Valley, Indian Springs, Stovepipe Wells, Caliente, Bullhead
City, Barstow, Bishop, Desert Rock, Hualapai Peak, Boulder City,
Independence, Goldfield, Yucca Valley, Hoover Dam, Moapa, Topock,
Kingman, Amargosa Valley, Desert Hills, Baker, Lone Pine, Pahrump,
Laughlin, Pipe Spring National Monument, Overton, Las Vegas, Hiko,
Colorado City, Tuweep, Olancha, and Mt Trumbull
932 AM PDT Thu Jul 30 2026 /932 AM MST Thu Jul 30 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
SUNDAY...
* WHAT...Dangerously hot conditions with highs 110 to 120 degrees
across the Mojave Desert. Highs 100 to 110 degrees across most of
the southern Great Basin and Arizona Strip. Little to no overnight
relief is expected, particularly in the Mojave Desert where lows of
80 to 95 degrees are forecast. This will result in major to extreme
heat risk.
* WHERE...Portions of northwest Arizona, southeast California, and
south central and southern Nevada.
* WHEN...Until 8 PM PDT /8 PM MST/ 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.
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.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
1250 AM PDT Fri Jul 31 2026
NVZ031-033-035>039-010015-
/O.CON.KLKN.HT.Y.0005.260731T1800Z-260801T0400Z/
Northern Elko-Southeastern Elko-White Pine-Northern Lander and
Northern Eureka-Southern Lander and Southern Eureka-Southwest
Elko-South Central Elko-
Including the cities of Ruby Lake, Midas, Preston, Lamoille,
Jarbidge, Owyhee, Crescent Valley, McGill, Elko, Diamond Valley,
Ely Airport, Pinto Summit, Lund, Dunphy, Emigrant Pass, Ryndon,
Ruth, Eureka Airport, Gibbs Ranch, Tuscarora, Eureka, Cherry
Creek, Hickison Summit, Ely, Garden Pass, Spring Creek,
Charleston, Beowawe, West Wendover, Mountain City, Jiggs, South
Fork, Lee, Battle Mountain, Oasis, Palisade, Argenta, and Grass
Valley
1250 AM PDT Fri Jul 31 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
PDT THIS EVENING...
* WHAT...High temperatures 99 to 104 degrees expected in the valleys.
* WHERE...White Pine, Northern Lander and Northern Eureka, Southern
Lander and Southern Eureka, Northern Elko, South Central Elko,
Southeastern Elko, and Southwest Elko Counties.
* WHEN...From 11 AM this morning to 9 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
96
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1249 AM MDT Fri Jul 31 2026
WYZ003>006-010-011-013-016>020-023-025>030-010015-
/O.NEW.KRIW.HT.Y.0002.260801T1800Z-260803T0400Z/
Cody Foothills-North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Northeast Johnson County-Southeast
Johnson County-Jackson Hole-Upper Wind River Basin-Wind River
Basin-Lander Foothills-Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Star Valley-Upper Green River
Basin Foothills-Upper Green River Basin-South Lincoln County-Rock
Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Powell, Lovell, Greybull, Thayne, Ten Sleep,
Basin, Cody, Kaycee, Kemmerer, La Barge, Shoshoni, Riverton, Jeffrey
City, Rock Springs, Clark, Thermopolis, Lander, Worland, Jackson,
Pinedale, Green River, Star Valley Ranch, Big Piney, Alpine, Dubois,
Afton, Cokeville, Buffalo, Wamsutter, Casper, Farson, Meeteetse, and
Shell
1249 AM MDT Fri Jul 31 2026
...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 10 PM MDT SUNDAY...
* WHAT...Very hot temperatures expected this weekend. Highs from 98
to 105 below 5500 feet, 90 to 98 above 5500 feet.
* WHERE...Portions of central, north central, northwest, south
central, southwest, and west central Wyoming.
* WHEN...From noon Saturday to 10 PM MDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Some locations will not see temperatures fall
below 90 degrees until sunset.
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 late evening.
Take action when you see symptoms of heat exhaustion and heat stroke.
&&
$$
Hattings
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1035 PM MST Thu Jul 30 2026
AZZ009-010-012>014-040-311900-
/O.CAN.KFGZ.XH.W.0007.260801T1700Z-260803T0300Z/
/O.NEW.KFGZ.HT.Y.0001.260801T1700Z-260803T0300Z/
Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley-
Little Colorado River Valley in Coconino County-Little Colorado
River Valley in Navajo County-Little Colorado River Valley in
Apache County-Northeast Plateaus and Mesas South of Hwy 264-
Including the cities of Winslow, Kykotsmovi, Dilkon, Holbrook,
Snowflake, St. Johns, Chinle, Canyon De Chelly, Tuba City,
Wupatki National Monument, Kaibito, Springerville, Kayenta, Keams
Canyon, and Chambers
1035 PM MST Thu Jul 30 2026 /1135 PM MDT Thu Jul 30 2026/
...EXTREME HEAT WARNING IS CANCELLED...
...HEAT ADVISORY IN EFFECT FROM 10 AM MST /11 AM MDT/ SATURDAY TO 8
PM MST /9 PM MDT/ SUNDAY...
* WHAT...Temperatures of 100 to 106 degrees expected.
* WHERE...Little Colorado River Valley and the lower elevations of
Navajo Nation in Arizona.
* WHEN...From 10 AM MST /11 AM MDT/ Saturday to 8 PM MST /9 PM MDT/
Sunday.
* IMPACTS...Pets, livestock, and those sensitive to heat, such as the
homeless, elderly, and children will be at risk for heat-related
illnesses. Those without effective cooling and/or adequate
hydration will be at the greatest risk.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take action when you see symptoms of heat exhaustion and heat stroke.
Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
933 PM MDT Thu Jul 30 2026
COZ006-UTZ022-312115-
/O.CON.KGJT.HT.Y.0003.260802T1800Z-260804T0300Z/
Grand Valley-Southeast Utah-
Including the cities of Grand Junction, Fruita, Palisade, Colorado
National Monument, Whitewater, Blanding, Bluff, and Mexican Hat
933 PM MDT Thu Jul 30 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 9 PM MDT
MONDAY...
* WHAT...Heat index values up to 105 expected.
* WHERE...In Colorado, Grand Valley. In Utah, Southeast Utah.
* WHEN...From noon Sunday to 9 PM MDT Monday.
* IMPACTS...Hot temperatures and high humidity 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
933 PM MDT Thu Jul 30 2026
UTZ024-312115-
/O.CON.KGJT.HT.Y.0003.260802T1800Z-260803T0300Z/
Eastern Uinta Basin-
Including the cities of Vernal, Jensen, Ballard, Fort Duchesne,
Randlett, and Dinosaur National Monument
933 PM MDT Thu Jul 30 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...
* WHAT...Heat index values up to 105 expected.
* WHERE...Eastern Uinta Basin.
* WHEN...From noon to 9 PM MDT Sunday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
DB
URGENT - WEATHER MESSAGE
National Weather Service Albuquerque NM
758 PM MDT Thu Jul 30 2026
NMZ201-220-311000-
/O.EXT.KABQ.HT.Y.0013.260731T1800Z-260801T0200Z/
Northwest Plateau-Lower Rio Grande Valley-
758 PM MDT Thu Jul 30 2026
...HEAT ADVISORY NOW IN EFFECT FROM NOON TO 8 PM MDT FRIDAY...
* WHAT...Temperatures of 100 to 105 expected with the hottest
readings found in the Rio Grande valley near Socorro.
* WHERE...Lower Rio Grande Valley and Northwest Plateau.
* WHEN...From noon to 8 PM MDT Friday.
* 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.
&&
$$
Shoemake
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ101-116-120-121-311200-
/O.CON.KSLC.HT.Y.0005.260801T1800Z-260803T0300Z/
Great Salt Lake Desert and Mountains-Eastern Juab/Millard
Counties-Castle Country-San Rafael Swell-
Including the following locations - Park Valley, Price, Green
River, Emery, Wendover, Nephi, Dugway, Fillmore, Goblin Valley,
Scipio, and Castle Dale
259 PM MDT Thu Jul 30 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...
* WHAT...Temperatures up to 106 expected, with warm overnight lows
in the upper 60s to low 70s offering little relief.
* WHERE...Castle Country, Eastern Juab/Millard Counties, San Rafael
Swell, and Great Salt Lake Desert and Mountains.
* WHEN...From noon Saturday to 9 PM MDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ114-311200-
/O.UPG.KSLC.XH.A.0004.260801T1800Z-260803T0300Z/
/O.EXA.KSLC.HT.Y.0005.260801T1800Z-260803T0300Z/
Western Uinta Basin-
Including the following locations - Duchesne and Roosevelt
259 PM MDT Thu Jul 30 2026
...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 9 PM MDT SUNDAY...
* WHAT...Dangerously hot conditions with temperatures up to 103 with
overnight lows in the low 60s.
* WHERE...Western Uinta Basin.
* WHEN...From noon Saturday to 9 PM MDT Sunday.
* 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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
259 PM MDT Thu Jul 30 2026
UTZ115-122-311200-
/O.CON.KSLC.HT.Y.0005.260801T1800Z-260803T0300Z/
Western Millard and Juab Counties-Southwest Utah-
Including the following locations - Beaver, Cedar City, Delta,
Milford, and Little Sahara
259 PM MDT Thu Jul 30 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...
* WHAT...Temperatures up to 105 expected.
* WHERE...Western Millard and Juab Counties and Southwest Utah.
* WHEN...From noon Saturday to 9 PM MDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
HM
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
932 AM PDT Thu Jul 30 2026
CAZ519-521-NVZ018-019-311100-
/O.CON.KVEF.HT.Y.0002.260730T1700Z-260803T0300Z/
Eastern Sierra Slopes-White Mountains of Inyo County-Sheep Range-
Spring Mountains-Red Rock Canyon-
Including the cities of Bristlecone Pine, Mt Charleston, Westgard
Pass, Hayford Pk, Aspendell, Red Rock Canyon, and Whitney Portal
932 AM PDT Thu Jul 30 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY...
* WHAT...Hot conditions expected with highs 80 to 90 degrees above
8000 feet and 90 to 105 degrees below 8000 feet. This will result
in moderate heat risk.
* WHERE...In California, Eastern Sierra Slopes and White Mountains of
Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock
Canyon.
* WHEN...Until 8 PM PDT Sunday.
* 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.
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.
&&
$$
BKM
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
102 AM MDT Fri Jul 31 2026
...GUSTY WINDS AND LOW HUMIDITY EXPECTED THIS WEEKEND...
.A building ridge to the south combined with a trough moving
across western Canada will tighten the pressure gradient over the
area through the weekend creating breezy to windy conditions for
the weekend. This combined with warming temperatures and low
humidity will lead to high fire danger across much of eastern
Idaho.
IDZ410-422-425-475-476-312100-
/O.CON.KPIH.FW.A.0003.260801T2000Z-260803T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Sawtooth Range/Northern Sawtooth NF-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
East Salmon River Mountains/Salmon NF-
Lemhi and Lost River Range/Challis NF-
102 AM MDT Fri Jul 31 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 410, 422, 425, 475, AND 476...
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM, Fire Weather Zone 422 Sawtooth
Range/Northern Sawtooth NF, Fire Weather Zone 425 Middle Snake
River Valley/Twin Falls BLM north of the Snake River, Fire
Weather Zone 475 East Salmon River Mountains/Salmon NF and
Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF.
* WINDS...West 15 to 25 mph with gusts up to 40 mph during the
afternoon and evening hours.
* RELATIVE HUMIDITY...5 to 12 percent during the afternoon and
early evenings.
* IMPACTS...Moderate wind and very low humidity can lead to
rapid spread of fire and more intense fire in receptive fuels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
&&
$$
Air Quality Alert
IDC001-003-015-027-039-045-073-075-085-087-311900-
Ada-Adams-Boise-Canyon-Elmore-Gem-Owyhee-Payette-Valley-Washington-
118 PM MDT Thu Jul 30 2026
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette,
Valley, and Washington Counties...
* WHAT...Air Quality Advisory because of degraded air quality.
Air Quality Index is forecast to be Very Unhealthy.
* WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette,
Valley, and Washington Counties.
* WHEN...UNTIL 2 PM MDT FRIDAY.
* IMPACTS...Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Boise Regional Office at (208) 373-0550.
$$
