Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
253 AM MST Fri Jun 13 2025
AZZ006-131800-
/O.CON.KFGZ.XH.W.0001.250614T1700Z-250616T0200Z/
Grand Canyon Country-
Including the cities of North Rim, Supai, and Grand Canyon
Village
253 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 7
PM MST SUNDAY BELOW 4000 FEET...
* WHAT...Dangerously hot conditions expected below 4000 feet, with
daytime temperatures ranging from 102 degrees at Havasupai
Gardens, to 110 degrees at Phantom Ranch.
* WHERE...Lower Elevations of the Grand Canyon.
* WHEN...From 10 AM Saturday to 7 PM MST 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...
This warning is reserved for only the hottest days of the year and
is issued when temperatures are expected to rise to dangerous levels.
Day hikers on Bright Angel Trail should descend no farther than 1
1/2 miles from the upper trailhead. Between the hours of 10 AM and 4
PM, hikers should be out of the canyon or at Havasupai Gardens or
Bright Angel campgrounds, physical activity is discouraged. All
hikers should have adequate gear, including a wide-brimmed hat,
sunscreen, salty snacks, sufficient water, and electrolyte mix.
Doubling your calorie intake helps maintain your energy.
Hike smart.
&&
$$
Konieczny
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
213 AM PDT Fri Jun 13 2025
AZZ002-003-036-CAZ522-523-525-527-NVZ016-017-020-021-140000-
/O.NEW.KVEF.XH.W.0003.250615T1700Z-250616T0500Z/
Lake Havasu and Fort Mohave-Northwest Deserts-Lake Mead National
Recreation Area-Death Valley National Park-Western Mojave Desert-
Morongo Basin-San Bernardino County-Upper Colorado River Valley-
Northeast Clark County-Western Clark and Southern Nye County-Las
Vegas Valley-Lake Mead National Recreation Area-
Including the cities of Topock, Mesquite, Las Vegas, Shoshone,
Laughlin, Overton, Indian Springs, Yucca Valley, Moapa, Kingman,
Pahrump, Furnace Creek, Henderson, Needles, Stovepipe Wells,
Wikieup, Desert Hills, Bullhead City, Hoover Dam, Barstow,
Amargosa Valley, Morongo Valley, Golden Valley, Dolan Springs,
Boulder City, Valentine, Fort Irwin, North Las Vegas, Daggett,
Twentynine Palms, Desert Rock, Lake Havasu City, Yucca, Oatman,
and Mohave Valley
213 AM PDT Fri Jun 13 2025 /213 AM MST Fri Jun 13 2025/
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM PDT / MST TO 10 PM PDT
/ MST SUNDAY...
* WHAT...Dangerously hot conditions for early June. High
temperatures will range 107 to 112 in Las Vegas, Moapa, Pahrump,
Barstow, and the Morongo Basin; 110 to 115 in Laughlin, Bullhead
City, Lake Mead National Recreation Area, Lake Mohave, and Lake
Havasu City; 115 to 120 in Death Valley National Park.
* WHERE...Portions of northwestern Arizona, southeastern California,
and southern Nevada.
* WHEN...From 10 AM PDT / MST to 10 PM PDT / 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.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
JCS
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1208 AM MST Fri Jun 13 2025
AZZ530>533-535-536-CAZ562>567-569-570-132230-
/O.CON.KPSR.XH.W.0001.250614T1700Z-250617T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Imperial County Southwest-Salton Sea-Chuckwalla
Mountains-Imperial County Southeast-Imperial County West-Imperial
Valley-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Desert Shores, Coyote Wells, Ripley,
Martinez Lake, Salome, Ocotillo, Vicksburg Junction, Plaster
City, Alamorio, Palm Canyon, Brenda, Mountain Spring, Parker,
Ligurta, Brawley, Quartzsite, Vicksburg, Calexico, Winona,
Winterhaven, Midland, Ehrenberg, Imperial Hot Mineral Springs,
Yuma, El Centro, Harcuvar, Fortuna Foothills, Palo Verde,
Coolidge Springs, Blythe, and Salton City
1208 AM MST Fri Jun 13 2025 /1208 AM PDT Fri Jun 13 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
SATURDAY TO 8 PM MST /8 PM PDT/ MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
115 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...Portions of southwest Arizona and southeast California.
* WHEN...From 10 AM MST /10 AM PDT/ Saturday to 8 PM MST /8 PM PDT/
Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1208 AM MST Fri Jun 13 2025
AZZ534-538-539-547-552>556-559>562-132230-
/O.CON.KPSR.XH.W.0001.250614T1700Z-250617T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Rio Verde/Salt River-
Superior-Northwest Pinal County-West Pinal County-Apache
Junction/Gold Canyon-Tonto Basin-Sonoran Desert Natl Monument-San
Carlos-Dripping Springs-Globe/Miami-
Including the cities of Gila Bend, Gladden, Florence, Superior,
Kaka, Miami, Hassayampa, Tonopah, Tortilla Flat, Casa Grande,
Sentinel, San Carlos, Coolidge, Wintersburg, Peridot, Arlington,
Winkelman, Aguila, Punkin Center, Wickenburg, Cactus Forest,
Apache Junction, Globe, and Hayden
1208 AM MST Fri Jun 13 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 8
PM MST MONDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
114 expected. Major Heat Risk. Overexposure can cause heat cramps
and heat exhaustion to develop and, without intervention, can lead
to heat stroke.
* WHERE...A portion of south central Arizona.
* WHEN...From 10 AM Saturday to 8 PM MST Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should be
taken to lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
107 AM PDT Fri Jun 13 2025
NVZ420-423-429-140600-
/O.CON.KREV.FW.W.0002.250613T1800Z-250614T0600Z/
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
West Humboldt Basin in Pershing County-
Lahontan Basin including Churchill and Eastern Mineral Counties-
107 AM PDT Fri Jun 13 2025
...RED FLAG WARNING IN EFFECT TODAY FROM 11 AM TO 11 PM PDT FOR
GUSTY WINDS AND LOW HUMIDITY FOR MUCH OF WESTERN NEVADA...
* 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 423 West Humboldt Basin in Pershing County and Fire
Weather Zone 429 Lahontan Basin including Churchill and
Eastern Mineral Counties.
* Winds...Southwest to west 15-25 mph with gusts 35-40 mph.
* Humidity...Minimum humidity of 6-12% in the afternoon with poor
overnight recoveries of 20-40% tonight into Saturday morning.
* Duration...4 to 8 hours.
* 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. These dry and windy conditions
could also rekindle fires in areas which received lightning in
recent days.
* Additional Details...Dry conditions and shorter periods of gusty
winds will also produce elevated to locally critical fire
weather conditions each afternoon through early next week.
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.
&&
$$
http://weather.gov/reno
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
122 AM PDT Fri Jun 13 2025
NVZ003-004-140400-
/O.CON.KREV.LW.Y.0025.250613T1800Z-250614T0400Z/
Greater Reno-Carson City-Minden Area-Western Nevada Basin and
Range including Pyramid Lake-
Including the cities of Imlay, Nixon, Virginia City, Verdi,
Silver Springs, Lovelock, Gardnerville, Fallon, Sparks, and
Fernley
122 AM PDT Fri Jun 13 2025
...LAKE WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 PM PDT
THIS EVENING...
* WHAT...Southwest to west winds 10 to 20 mph with gusts up to 35
mph. Wave heights 1 to 3 feet for Pyramid Lake.
* WHERE...Western Nevada Basin and Range including Pyramid Lake and
Greater Reno-Carson City-Minden Area. This also includes Washoe
Lake, Lahontan and Rye Patch reservoirs.
* WHEN...From 11 AM this morning to 9 PM PDT this evening.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.
&&
$$
TS
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
845 PM PDT Thu Jun 12 2025
CAZ376>378-131545-
/O.NEW.KLOX.WI.Y.0058.250613T0700Z-250613T1600Z/
Southern Ventura County Mountains-Northern Ventura County
Mountains-Interstate 5 Corridor-
Including the cities of Topatopa Mountains, Lockwood Valley,
Ozena, Mount Pinos, Gorman, Pyramid Lake, Matilija, Rose Valley,
and Tejon Pass
845 PM PDT Thu Jun 12 2025
...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PDT
FRIDAY...
* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Interstate 5 Corridor, Northern Ventura County Mountains,
and Southern Ventura County Mountains.
* WHEN...From midnight tonight to 9 AM PDT Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
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