Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
158 PM MDT Thu Jul 3 2025
UTZ497-498-041000-
/O.UPG.KSLC.FW.A.0002.250704T1800Z-250705T0300Z/
/O.EXA.KSLC.FW.W.0004.250704T1800Z-250705T0300Z/
Mojave Desert-Grand Staircase-
158 PM MDT Thu Jul 3 2025
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND
498...
The National Weather Service in Salt Lake City has issued a Red
Flag Warning for wind and low relative humidity, which is in
effect from noon to 9 PM MDT Friday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire
Weather Zone 498 Grand Staircase.
* WINDS...Southwest 15 to 25 mph with gusts 30 to 35 mph.
* RELATIVE HUMIDITY...10 to 15 percent.
* IMPACTS...Critical fire weather conditions are possible. Any
new fire starts or existing fires may spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are expected. A combination of strong winds...low relative
humidity...and warm temperatures can contribute to extreme fire
behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
1252 PM PDT Thu Jul 3 2025
...A RED FLAG WARNING IS IN EFFECT FRIDAY FOR FOR SOUTHERN NEVADA AND
NORTHWESTERN ARIZONA FOR STRONG WINDS AND LOW HUMIDITY...
AZZ101-102-NVZ461>466-041200-
/O.CON.KVEF.FW.W.0004.250704T1800Z-250705T0300Z/
Lake Mead NRA/Colorado River-AZ side-
Northwest Deserts/Northwest Plateau-Lincoln County/Ely Dispatch-
Nye County Deserts/Las Vegas Dispatch-Sheep Range-
Spring Mountains-
Clark and SW Lincoln County Deserts/Las Vegas Dispatch-
Lake Mead NRA/Colorado River-NV side-
1252 PM PDT Thu Jul 3 2025 /1252 PM MST Thu Jul 3 2025/
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
TO 8 PM PDT /8 PM MST/ FRIDAY FOR STRONG WINDS AND LOW HUMIDITY
FOR LINCOLN COUNTY...
* AFFECTED AREA...In Nevada...Fire weather zone 461, 462, 463,
465, and 466. In Arizona...Fire weather zone 101 and 102.
* TIMING...11 AM to 8 PM PDT.
* WIND...Southwest winds 15 to 25 mph with gusts to 35 mph.
* HUMIDITY...8 to 15 percent.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Flood Advisory
Flood Advisory
National Weather Service Tucson AZ
625 PM MST Thu Jul 3 2025
AZC019-040330-
/O.NEW.KTWC.FA.Y.0014.250704T0125Z-250704T0330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima AZ-
625 PM MST Thu Jul 3 2025
...FLOOD ADVISORY IN EFFECT UNTIL 830 PM MST THIS EVENING...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...A portion of South Central Arizona, including the
following county, southern Pima.
* WHEN...Until 830 PM MST.
* IMPACTS...Rises in small streams and normally dry washes.
Dangerous flows over low-water crossings.
* ADDITIONAL DETAILS...
- At 625 PM MST, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between
0.5 and 1.5 inches of rain have fallen.
- Some locations that will experience flooding include...
South Komelik, Choulic, Coldfields and Fresnal Canyon.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3184 11164 3184 11174 3177 11181 3163 11179
3164 11170 3169 11155 3177 11154
$$
GLZ
Beach Hazards Statement
Coastal Hazard Message
National Weather Service San Diego CA
1235 PM PDT Thu Jul 3 2025
CAZ043-552-041045-
/O.CON.KSGX.BH.S.0010.000000T0000Z-250706T0600Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
1235 PM PDT Thu Jul 3 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
EVENING...
* WHAT...Elevated surf of 4 to 6 feet expected, especially for
south facing beaches.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...From Thursday morning through Saturday evening.
* IMPACTS...Strong rip currents will create hazardous swimming
conditions.
* ADDITIONAL DETAILS...The elevated surf is driven by an uptick is
southerly swell (190 degrees) at 3 feet with a period of 15- 17
seconds. Both swell and surf will begin to lower by early Sunday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
&&
$$
Special Weather Statement
Special Weather Statement
National Weather Service Phoenix AZ
806 PM MST Thu Jul 3 2025
AZZ547-556>558-040345-
Mazatzal Mountains AZ-Tonto Basin AZ-Rio Verde/Salt River AZ-
Pinal/Superstition Mountains AZ-
806 PM MST Thu Jul 3 2025
...A STRONG THUNDERSTORM WILL IMPACT GILA AND MARICOPA COUNTIES
THROUGH 845 PM MST...
At 806 PM MST, Doppler radar was tracking a strong thunderstorm near
Four Peaks, or 9 miles west of Roosevelt, moving northeast at 15 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Roosevelt, Four Peaks, Roosevelt Dam, Apache Lake, and Tonto National
Monument.
This includes AZ Route 188 between mile markers 237 and 254.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
If on or near Lake Roosevelt, get out of the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 10 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
&&
LAT...LON 3379 11113 3376 11099 3366 11093 3353 11131
3367 11141 3383 11118
TIME...MOT...LOC 0306Z 238DEG 14KT 3364 11128
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
$$
MS
Air Quality Alert
AZC013-080400-
Air Quality Alert
Relayed by National Weather Service Phoenix AZ
404 PM MST Thu Jul 3 2025
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA MONDAY THE 7TH...
The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone High Pollution Advisory for the Phoenix Metro Area on Monday.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.
$$
CAZ048-055-057-065-552-554-050700-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Santa Ana Mountains and Foothills-
San Gorgonio Pass near Banning-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Crestline,
Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs,
Wrightwood, Huntington Beach, Costa Mesa, Newport Beach,
Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove,
Irvine, Orange, Fullerton, and Mission Viejo
247 PM PDT Thu Jul 3 2025
...AIR QUALITY ALERT DUE TO HARMFUL FINE PARTICLE POLLUTION LEVELS...
* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of fine particle pollution.
* WHERE...Smoke from Independence Day Fireworks in Orange County and
the Inland Empire, and wildfire smoke in the San Bernardino
Mountains. Levels of particle pollution can vary by time and
location depending on emissions and local weather conditions.
* WHEN...Smoke from Fireworks from 5 PM July 4th through 11:59 PM
July 5th, and wildfire smoke from midnight Thursday to 10 PM
Friday.
* IMPACTS...Particle pollution can get deep into the lungs and cause
serious health problems such as heart attacks, bronchitis, 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, check air quality levels and act as needed:
* When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups"
(orange), sensitive groups as specified above should limit
extended or intense outdoor activity.
* When AQI is "Unhealthy" (red), everyone may experience health
impacts. Sensitive groups should avoid extended time outdoors.
* When AQI is "Very Unhealthy" (purple), sensitive groups should
avoid all outdoor physical activity. Everyone else should avoid
extended or intense outdoor activity.
* When AQI is "Hazardous" (maroon), everyone should avoid all
outdoor physical activity.
* ADDITIONAL DETAILS...
To help keep indoor air clean when air quality is poor:
* Keep windows and doors closed
* Run your air conditioner and/or an air purifier
* 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
In the San Bernardino valley and San Bernardino Mountains, Orange
County, and Riverside County, 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.
$$
SS
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
313 AM MDT Thu Jul 3 2025
COZ001>014-017>023-UTZ022>025-027>029-040915-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
313 AM MDT Thu Jul 3 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Abundant tropical moisture will lead to widespread showers and
thunderstorms today, with an increased risk of heavy rain and flash
flooding in addition to the usual threats of gusty outflow winds and
frequent lightning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Showers and thunderstorms will once again form over the higher
terrain tomorrow afternoon, with one more day of increased risk for
heavy rain and localized flash flooding. Conditions will dry out
through the weekend, with temperatures climbing above normal by
Monday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected today or tonight, however
spotters are encouraged to relay rainfall amounts or any observed
flooding to the National Weather Service in Grand Junction.
$$
