Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
232 AM PDT Sat May 31 2025
AZZ036-CAZ522>524-NVZ016-017-020>022-010600-
/O.CON.KVEF.XH.W.0001.000000T0000Z-250601T0600Z/
Lake Mead National Recreation Area-Death Valley National Park-
Western Mojave Desert-Eastern Mojave Desert-Northeast Clark
County-Western Clark and Southern Nye County-Las Vegas Valley-
Lake Mead National Recreation Area-Southern Clark County-
Including the cities of Desert Rock, Pahrump, Laughlin, Daggett,
Mesquite, Cal-Nev-Ari, Fort Irwin, Mountain Pass, Las Vegas,
Henderson, Boulder City, Searchlight, Primm, Bullhead City,
Moapa, Mohave Valley, Shoshone, Amargosa Valley, North Las Vegas,
Oatman, Stovepipe Wells, Furnace Creek, Mitchell Caverns, Baker,
Indian Springs, Hoover Dam, Barstow, and Overton
232 AM PDT Sat May 31 2025 /232 AM MST Sat May 31 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM
MST/ THIS EVENING...
* WHAT...Dangerously hot conditions with a major risk for heat
related illness and impacts.
* WHERE...Lake Mead National Recreation Area, Death Valley National
Park, Western Mojave Desert, Eastern Mojave Desert, Northeast
Clark County, Western Clark and Southern Nye County, Las Vegas
Valley, and Southern Clark County.
* WHEN...Until 11 PM PDT /11 PM MST/ this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Temperatures today will reach 105 to 110 in
the Lake Mead Recreation Area, 100 to 105 in the western Mojave
Desert including Barstow, and 103 to 109 in the valleys of
southern Nevada including Pahrump, Las Vegas, and Moapa.
Temperatures over 115 are likely in Death Valley.
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.
Monitor the latest forecasts and warnings for updates.
If you do not have air conditioning in your home or lack shelter,
monitor for local cooling shelters openings and assistance locating
appropriate shelter from the heat.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
SM
Gale Warning
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
254 PM PDT Sat May 31 2025
California waters-
Inner waters from 60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.
Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.
PZZ830-011030-
Pigeon Point to Point Piedras Blancas between 60 NM and 150 NM
offshore-
254 PM PDT Sat May 31 2025
...GALE WARNING...
.TONIGHT...N to NW winds 20 to 30 kt. Seas 8 to 12 ft.
.SUN...NW winds 20 to 30 kt. Seas 10 to 14 ft.
.SUN NIGHT...NW winds 20 to 30 kt. Seas 12 to 20 ft.
.MON...N to NW winds 25 to 35 kt, becoming N 20 to 30 kt. Seas
13 to 21 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 11 to 17 ft.
.TUE...N winds 20 to 30 kt. Seas 11 to 17 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 10 to 16 ft.
.WED...N winds 20 to 30 kt. Seas 10 to 17 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas 9 to 15 ft.
.THU...N winds 15 to 25 kt. Seas 9 to 13 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 8 to 12 ft.
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
247 PM PDT Sat May 31 2025
CAZ300>321-324-332-010600-
/O.CON.KHNX.HT.Y.0001.000000T0000Z-250601T1400Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-Buttonwillow
- Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Buena Vista-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-Yosemite Valley-Kern River Valley-
Including the cities of Los Banos, Delano, Lost Hills, Lake
Mcclure, Coalinga, Lemoore Station, Sanger, Kettleman City,
Alpaugh, Hanford, Tulare, Oakhurst, San Luis Reservoir, Taft,
Selma, Bass Lake, Atwater, Bakersfield, Blackwells Corner,
Parlier, Wasco, Fish Camp, Auberry, Yosemite Valley, Fresno,
Coarsegold, Five Points, Corcoran, Shafter, Millerton Lake,
Goshen, Mariposa, Visalia, Madera, McKittrick, Lemoore,
Richgrove, Lake Isabella, Le Grand, Kingsburg, North Fork,
Porterville, Avenal, Merced, Kerman, Buttonwillow, Planada,
Kernville, Arvin, El Portal, and Lamont
247 PM PDT Sat May 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT SUNDAY...
* WHAT...High temperatures up to 105 expected.
* WHERE...A portion of central California.
* WHEN...Until 7 AM PDT Sunday.
* IMPACTS...Moderate to Major risk for heat-related illnesses,
especially for those sensitive to heat.
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.
&&
$$
JPK
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
1221 PM PDT Sat May 31 2025
CAZ504-510-513-516>518-010300-
/O.CON.KMTR.HT.Y.0003.000000T0000Z-250601T0300Z/
North Bay Interior Mountains-East Bay Interior Valleys-Santa
Clara Valley Including San Jose-Southern Salinas Valley/Arroyo
Seco and Lake San Antonio-Santa Lucia Mountains and Los Padres
National Forest-Mountains of San Benito County And Interior
Monterey County including Pinnacles National Park-
1221 PM PDT Sat May 31 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...
* WHAT...Temperatures in the 90s to 105 degrees
* WHERE...Interior Monterey County and the Santa Lucia Range, Most
of San Benito County and the Cholame Hills in Southeast Monterey
County, The Santa Clara Valley, North Bay Interior Mountains, East
Bay Interior Valleys, and Southern Salinas Valley/Arroyo Seco and
Lake San Antonio.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Hot conditions can cause heat illnesses. This level of
heat affects most individuals sensitive to heat, especially those
without effective cooling and/or adequate hydration. Impacts
possible in some health systems and in heat-sensitive industries.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Hydration is a critical piece to surviving the heat. Drink water,
and if possible, take water to those who are vulnerable.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.
Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles.Car interiors will reach lethal
temperatures in a matter of minutes.
&&
$$
Palmer
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
237 PM PDT Sat May 31 2025
PZZ576-010545-
/O.EXT.KMTR.SC.Y.0093.250601T0400Z-250602T1000Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
237 PM PDT Sat May 31 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT MONDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
seas 8 to 11 ft expected.
* WHERE...Waters from Point Pinos to Point Piedras Blancas 10-
60 NM.
* WHEN...From 9 PM this evening to 3 AM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service San Diego CA
1258 PM PDT Sat May 31 2025
CAZ043-552-020200-
/O.CON.KSGX.BH.S.0008.250601T1600Z-250604T0000Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
1258 PM PDT Sat May 31 2025
...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY AFTERNOON...
* WHAT...Elevated surf of 4 to 6 feet with sets to 7 or 8 feet
expected, primarily for south to south-southwest facing beaches
in Orange County.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...From Sunday morning through Tuesday afternoon.
* IMPACTS...Strong rip currents will create hazardous swimming
conditions.
* ADDITIONAL DETAILS...Surf increases Sunday, peaking Monday,
before gradually falling through mid week.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
1237 PM PDT Sat May 31 2025
CAZ354-362-366-011000-
/O.NEW.KLOX.BH.S.0008.250601T1600Z-250604T0000Z/
Ventura County Beaches-Malibu Coast-Los Angeles County Beaches-
1237 PM PDT Sat May 31 2025
...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY AFTERNOON...
* WHAT...A long period south swell will bring elevated surf up to
6 feet to south and southwest facing beaches, along with
dangerous rip currents.
* WHERE...Ventura County Beaches, Malibu Coast and Los Angeles
County Beaches.
* WHEN...From Sunday morning through Tuesday afternoon.
* IMPACTS...There is an increased risk of ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Waves can
wash people off beaches and rocks, and capsize small boats
nearshore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.
&&
$$
Marine Weather Statement
MARINE WEATHER STATEMENT
National Weather Service SAN DIEGO CA
1232 PM PDT Sat May 31 2025
PZZ740-745-010100-
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
1232 PM PDT Sat May 31 2025
...Slight chance of thunderstorms now through mid afternoon...
There is a chance of thunderstorms through the afternoon for the
coastal and outer waters. Any thunderstorms that develop will be
capable of gusty and erratic winds, rough seas, lightning, and
even a waterspout. Brief, heavy rainfall may result in poor
visibility at times.
Mariners are urged to seek safe harbor when threatening weather
approaches. Stay tuned to NOAA Weather Radio or weather.gov for
the latest updates and weather alerts.
$$
Zuber
Air Quality Alert
CAZ048-012100-
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, and Corona
150 PM PDT Sat May 31 2025
...AIR QUALITY ALERT FOR HARMFUL FINE PARTICLE POLLUTION LEVELS DUE
TO WILDFIRE SMOKE...
* WHAT...The South Coast AQMD has issued an air quality alert due to
increased fine particle pollution from wildfire smoke.
* WHERE...in the Temecula and Aguanga valleys. Levels of particle
pollution can vary by time and location depending on fire activity
and local weather conditions.
* WHEN...from noon Saturday until 8 AM Sunday.
* IMPACTS... Particles in wildfire smoke can get deep into the lungs
and cause serious health problems such as heart attacks, strokes,
asthma attacks, and difficulty breathing. Everyone can be
affected, but sensitive groups such as people with lung or heart
disease, older adults, people who are pregnant, children, and those
who spend a lot of time outdoors are at greater risk.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To protect your health, if you smell or see smoke:
* Remain indoors with windows and doors closed
* Avoid intense outdoor physical activity
* Run your air conditioner and/or an air purifier
* If you must be outdoors, keep the time brief and wear a well-
fitting N-95 mask
* Do not use whole house fans or swamp coolers that bring in outside
air if you have other methods to stay cool
* Avoid other sources of pollution such as fireplaces, candles, incense,
grilling, and gasoline-powered lawn and garden equipment
* ADDITIONAL DETAILS...
To view current and forecasted air quality levels, visit the South
Coast Air Quality Management District website at aqmd.gov or download
the mobile app at www.aqmd.gov/mobileapp. Additional details for this
air quality alert may be available at www.aqmd.gov/advisory.
$$
