Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
615 PM PDT Tue Sep 2 2025
CAZ088-356>358-368>375-548-040100-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-250904T0100Z/
Santa Clarita Valley-Lake Casitas-Ojai Valley-Central Ventura
County Valleys-Los Angeles County Inland Coast including Downtown
Los Angeles-Western Santa Monica Mountains Recreational Area-
Eastern Santa Monica Mountains Recreational Area-Calabasas and
Agoura Hills-Western San Fernando Valley-Eastern San Fernando
Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-
Los Angeles County San Gabriel Valley-
Including the cities of Lake Castaic, Downey, Pasadena, Culver
City, Glendale, Piru, Moorpark, Newhall, Burbank, Northridge,
Beverly Hills, East Los Angeles, Santa Clarita, Sunland, Van
Nuys, Fillmore, Topanga, Compton, Woodland Hills, Malibu Lake,
Norwalk, Newbury Park, Oak View, Santa Paula, La Canada
Flintridge, San Gabriel, Pomona, Hollywood, El Monte, Universal
City, Malibu Bowl, Oat Mountain, Ojai, Chatsworth, Meiners Oaks,
Westlake Village, Simi Valley, Thousand Oaks, and Valencia
615 PM PDT Tue Sep 2 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT WEDNESDAY...
* WHAT...Hot daytime conditions with high temperatures of 92 to 102
degrees common, and very warm overnight conditions.
* WHERE...A portion of southwest California.
* WHEN...Until 6 PM PDT Wednesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
615 PM PDT Tue Sep 2 2025
CAZ355-040100-
/O.CON.KLOX.HT.Y.0007.000000T0000Z-250904T0100Z/
Ventura County Inland Coast-
Including the cities of East Ventura and Camarillo
615 PM PDT Tue Sep 2 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT WEDNESDAY...
* WHAT...Hot daytime conditions with high temperatures of 85 to 95
degrees common, and very warm overnight conditions.
* WHERE...Ventura County Inland Coast.
* WHEN...Until 6 PM PDT Wednesday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
NWS Los Angeles/Oxnard
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
130 PM PDT Tue Sep 2 2025
PZZ655-030400-
/O.EXA.KLOX.SC.Y.0142.250902T2200Z-250903T0400Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
130 PM PDT Tue Sep 2 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...
* WHAT...Hazardous sea conditions.
* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA
including Santa Catalina and Anacapa Islands.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Flood Watch
Flood Watch
National Weather Service Hanford CA
452 PM PDT Tue Sep 2 2025
CAZ327>334-337>339-031400-
/O.CON.KHNX.FA.A.0007.000000T0000Z-250904T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kaiser to Rodgers Ridge-Kings Canyon NP-Grant Grove Area-Sequoia
NP-South End of the Upper Sierra-Kern River Valley-Piute Walker
Basin-Tehachapi-Indian Wells Valley-Mojave Desert Slopes-Mojave
Desert-
Including the cities of Lodgepole, Grant Grove, Cedar Grove,
Inyokern, California City, Hume Lake, Lake Wishon, Mojave,
Kernville, Huntington Lake, Lake Isabella, Rosamond, Shaver Lake,
Edwards AFB, Johnsondale, Tehachapi, Ridgecrest, Giant Forest,
and Randsburg
452 PM PDT Tue Sep 2 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of central California, including the following
areas, Grant Grove Area, Indian Wells Valley, Kaiser to Rodgers
Ridge, Kern River Valley, Kings Canyon NP, Mojave Desert, Mojave
Desert Slopes, Piute Walker Basin, Sequoia NP, South End of the
Upper Sierra and Tehachapi.
* WHEN...Through Wednesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Any slow moving thunderstorms will create heavy rainfall at
times with long periods of rain.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
BSO
Flood Watch
National Weather Service Reno NV
1104 AM PDT Tue Sep 2 2025
CAZ073-NVZ001-030400-
/O.NEW.KREV.FA.A.0007.250902T1900Z-250903T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Lee Vining, Coleville, Bridgeport,
Mammoth Lakes, Schurz, Smith Valley, Yerington, Hawthorne, and
Mina
1104 AM PDT Tue Sep 2 2025
...FLOOD WATCH IN EFFECT UNTIL 9 PM PDT THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of east central California, including the
following area, Mono County and western Nevada, including the
following area, Mineral and Southern Lyon Counties.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Excessive runoff may result in flooding of creeks,
streams, urban areas, burn scars, and areas near steep terrain.
Low-water crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered thunderstorms and increased monsoonal moisture with
potential storm training may produce moderate-to-heavy
rainfall, resulting in instances of flash flooding this
afternoon.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JC
Flood Watch
National Weather Service Los Angeles/Oxnard CA
1224 PM PDT Mon Sep 1 2025
CAZ379>383-040600-
/O.NEW.KLOX.FA.A.0004.250902T1800Z-250904T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western San Gabriel Mountains and Highway 14 Corridor-Eastern San
Gabriel Mountains-Western Antelope Valley Foothills-Eastern
Antelope Valley Foothills-Antelope Valley-
Including the cities of Acton, Wrightwood, Lake Palmdale, Llano,
Elizabeth Lake, Pearblossom, The Angeles Crest Highway,
Lancaster, Mount Wilson, Valyermo, Lake Los Angeles, Palmdale,
Mount Baldy, Warm Springs, and Mill Creek
1224 PM PDT Mon Sep 1 2025
...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
EVENING...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Northeastern Los Angeles County, including the following
areas, Bridge Fire Burn Scar, Antelope Valley, Antelope Valley
Foothills, San Gabriel Mountains, and Highway 14 Corridor.
* WHEN...From late Tuesday morning through Wednesday evening.
* IMPACTS...Flooding from thunderstorms and showers may occur in
poor drainage and urban areas. Peak rain rates may reach 0.5 to
1.0 inch per hour.
* ADDITIONAL DETAILS...
- Increasing moisture and instability combined with slow moving
storms will pose an increased risk of flash flooding. Strong
outflow winds will be possible with thunderstorms, with
locally damaging gusts to 60 mph possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
Schoenfeld/Gomberg
Marine Weather Statement
Marine Weather Statement
National Weather Service Los Angeles/Oxnard CA
741 AM PDT Tue Sep 2 2025
PZZ650-655-676-040400-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
741 AM PDT Tue Sep 2 2025
..SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE SOUTHERN
COASTAL WATERS THROUGH AT LEAST WEDNESDAY...
There is a slight chance of showers and thunderstorms over
portions of the southern waters from the eastern Santa Barbara
Channel and southward over the waters adjacent of Los Angeles and
Orange Counties through at least Wednesday.
Showers and thunderstorms can create localized dangerous ocean
conditions with choppy seas, gusty erratic winds, and the
potential for cloud to sea lightning. Boaters should closely
monitor weather conditions and avoid traveling near showers and
thunderstorms.
$$
Air Quality Alert
AZC013-040400-
Air Quality Alert
Relayed by National Weather Service Phoenix AZ
913 AM MST Tue Sep 2 2025
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA THROUGH WEDNESDAY...
The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone High Pollution Advisory for the Phoenix Metro Area through Wednesday.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.
$$
