807
WWUS75 KTWC 081557
NPWTWC
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
857 AM MST FRI AUG 8 2025
AZZ501>509-515-090300-
/O.CON.KTWC.XH.W.0005.000000T0000Z-250809T0300Z/
WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION-UPPER SANTA CRUZ RIVER
VALLEY/ALTAR VALLEY-TUCSON METRO AREA-SOUTH CENTRAL PINAL COUNTY-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-EASTERN
COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF TUCSON, ORGAN PIPE CACTUS N.M., SIERRA
VISTA, KITT PEAK, NOGALES, SELLS, WILLCOX, GREEN VALLEY, DOUGLAS,
MARANA, BENSON, SAFFORD, ORACLE, PICACHO PEAK STATE PARK,
MAMMOTH, CLIFTON, AJO, AND VAIL
857 AM MST FRI AUG 8 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES RANGING FROM
107 TO 110 ACROSS MUCH OF OF PIMA COUNTY AND SOUTHEAST AND SOUTH
CENTRAL PINAL COUNTY. IN OTHER AREAS OF SOUTHEASTERN ARIZONA HIGH
TEMPERATURES WILL RANGE FROM 100 TO 107 DEGREES.
* WHERE...EASTERN COCHISE COUNTY BELOW 5000 FEET, SOUTH CENTRAL
PINAL COUNTY, SOUTHEAST PINAL COUNTY, TOHONO O'ODHAM NATION,
TUCSON METRO AREA, UPPER GILA RIVER VALLEY, UPPER SAN PEDRO RIVER
VALLEY, UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY, AND WESTERN
PIMA COUNTY.
* WHEN...UNTIL 8 PM MST THIS EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.
EDWARDS
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