Expected

Responsive action SHOULD be taken soon (within next hour)

Utah Severe Red Flag Warning | Effective 08/03/2026 20:50

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent with poor overnight recovery. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Utah Severe Red Flag Warning | Effective 08/03/2026 20:50

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...9 to 12 percent with poor overnight recovery. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Arizona Severe Dust Storm Warning | Effective 08/03/2026 20:51

At 851 PM MST, an area of blowing dust was located near Sells, moving west at 30 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. Locations impacted include... Sells, Topawa, San Isidro, Kitt Peak, Ali Chukson, Cowlic, Fresnal, San Pedro, Queens Well, South Comobabi, Comobabi, Santa Rosa Ranch, Sil Nakya, Fresnal Canyon, Artesia, Pan Tak and Ali Molina. This includes the following highways...

Arizona Severe Dust Storm Warning | Effective 08-03-2026 20:43

The National Weather Service in Tucson has issued a * Dust Storm Warning for... Southwestern Pinal County in southeastern Arizona... * Until 945 PM MST. * At 843 PM MST, an area of blowing dust was located 7 miles southwest of Picacho Peak State Park, moving northwest at 15 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Eloy, Picacho, Chui-Chu, Picacho Peak State Park, Cockleburr, Jack

Arizona Severe Dust Storm Warning | Effective 08/03/2026 20:43

The National Weather Service in Tucson has issued a * Dust Storm Warning for... Southwestern Pinal County in southeastern Arizona... * Until 945 PM MST. * At 843 PM MST, an area of blowing dust was located 7 miles southwest of Picacho Peak State Park, moving northwest at 15 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Eloy, Picacho, Chui-Chu, Picacho Peak State Park, Cockleburr, Jack

Arizona Severe Extreme Heat Warning | Effective 08/03/2026 20:01

* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 102 to 107 degrees at Havasupai Gardens, and 110 to 114 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 8 PM MST Wednesday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. This warning is reserved for only the hottest days of the year and is

Arizona Severe Extreme Heat Warning | Effective 08/03/2026 20:01

* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 degrees expected. * WHERE...Marble and Glen Canyons; including Page. * WHEN...Until 8 PM MST /9 PM MDT/ Wednesday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 08/03/2026 20:09

* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 08/03/2026 20:09

* WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 08/03/2026 20:09

* WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...Cuyama Valley. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. 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
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