Weather Warnings for Arizona

Issued by the National Weather Service

Current Watches, Warnings and Advisories for Arizona Issued by the National Weather Service
Alerts Updated: August 20, 2019, 11:19 am  UTC


Excessive Heat Warning issued August 20 at 11:19AM MST until August 22 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THURSDAY... * TEMPERATURE...High temperatures around Las Vegas, Pahrump and the Morongo Basin today will range between 104 to 109 degrees. On Wednesday and Thursday, temperatures will range between 107 to 112 degrees. Temperatures in Death Valley National Park and
Severity:  Moderate    Effective:  August 20, 2019, 11:19 am      Expires:  August 22, 2019, 8:00 pm
Area:  Lake Havasu and Fort Mohave; Lake Mead National Recreation Area; Northwest Deserts


Excessive Heat Warning issued August 20 at 11:15AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY... * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * AFFECTED AREAS...Tucson Metro, Southeast Pinal County, Marana,
Severity:  Moderate    Effective:  August 20, 2019, 11:15 am      Expires:  August 21, 2019, 8:00 pm
Area:  South Central Pinal County including Eloy, Picacho Peak State Park; Southeast Pinal County including Kearny, Mammoth, Oracle; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson, Green Valley, Marana, Vail; Upper Gila River and Aravaipa Valleys including Clifton, Safford; Western Pima County Including Ajo, Organ Pipe Cactus National Monument


Excessive Heat Warning issued August 20 at 8:57AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY... * TEMPERATURE...Afternoon high temperatures from 113 to 118. Overnight low temperatures in the upper 70s. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead
Severity:  Moderate    Effective:  August 20, 2019, 10:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Grand Canyon Country


Excessive Heat Warning issued August 20 at 8:57AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY... * TEMPERATURE...Afternoon high temperatures from 110 to 115 for portions of far southern Yavapai county, 105 to 110 in the Verde Valley and 100 to 105 around Sedona and Bagdad. * IMPACTS...Increase in heat related illnesses, including heat
Severity:  Moderate    Effective:  August 20, 2019, 10:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Oak Creek and Sycamore Canyons; Yavapai County Valleys and Basins


Heat Advisory issued August 20 at 8:57AM MST until August 21 at 8:00PM MST by NWS

Summary: ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM MST WEDNESDAY... * TEMPERATURE...Afternoon high temperatures from 100 to 105 at the lower elevations along the Little Colorado River Valley. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead
Severity:  Minor    Effective:  August 21, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Little Colorado River Valley in Coconino County


Air Quality Alert issued August 20 at 8:37AM MST by NWS

Summary: ...HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE GREATER PHOENIX AREA THROUGH WEDNESDAY... The Arizona Department of Environmental Quality in Phoenix has extended an Ozone High Pollution Advisory for the Greater Phoenix Area through Wednesday. This means that forecast weather conditions combined with existing
Severity:  Unknown    Effective:  August 20, 2019, 8:37 am      Expires:  August 21, 2019, 9:00 pm
Area:  Maricopa


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ WEDNESDAY... * WHERE...In Arizona, Parker Valley. In California, Palo Verde Valley, Chiriaco Summit, Eastern portion of Joshua Tree National Park and Chuckwalla Valley. * IMPACTS...Overexposure can cause heat cramps and heat
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Parker Valley


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST WEDNESDAY... * WHERE...Southeast Yuma County, Gila River Valley, Kofa, Central La Paz County and Yuma. * IMPACTS...Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Central La Paz; Gila River Valley; Kofa; Southeast Yuma County; Yuma


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST WEDNESDAY... * WHERE...Aguila Valley, Gila Bend and Tonopah Desert. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Aguila Valley; Gila Bend; Tonopah Desert


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST WEDNESDAY... * WHERE...Portions of south central Arizona. * IMPACTS...Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Buckeye, Avondale; Cave Creek, New River; Central Phoenix; Deer Valley; East Valley; Fountain Hills, East Mesa; North Phoenix, Glendale; Northwest Valley; Scottsdale, Paradise Valley; South Mountain, Ahwatukee; Southeast Valley, Queen Creek


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST WEDNESDAY... * WHERE...New River Mesa, Globe/Miami, San Carlos, Dripping Springs and Tonto Basin. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Dripping Springs; Globe, Miami; New River Mesa; San Carlos; Tonto Basin


Excessive Heat Warning issued August 20 at 2:23AM MST until August 21 at 8:00PM MST by NWS

Summary: ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST WEDNESDAY... * WHERE...Northwest Pinal County, Superior, Apache Junction/Gold Canyon, West Pinal County and Sonoran Desert National Monument. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead
Severity:  Moderate    Effective:  August 20, 2019, 11:00 am      Expires:  August 21, 2019, 8:00 pm
Area:  Apache Junction, Gold Canyon; Northwest Pinal County; Sonoran Desert Natl Monument; Superior; West Pinal County