838
WWUS75 KTWC 212119
NPWTWC
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
219 PM MST SUN JUN 21 2026
AZZ504-506-507-509-221245-
/O.NEW.KTWC.XH.A.0002.260623T1800Z-260625T0300Z/
TUCSON METRO AREA-SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER
VALLEY-UPPER GILA RIVER VALLEY-
INCLUDING THE CITIES OF ORACLE, SAFFORD, SIERRA VISTA, MAMMOTH,
BENSON, CLIFTON, TUCSON, MARANA, VAIL, AND GREEN VALLEY
219 PM MST SUN JUN 21 2026
...EXTREME HEAT WATCH IN EFFECT FROM LATE TUESDAY MORNING THROUGH
WEDNESDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES OF 107 TO 111
DEGREES.
* WHERE...SOUTHEAST PINAL COUNTY, TUCSON METRO AREA, UPPER GILA RIVER
VALLEY, AND UPPER SAN PEDRO RIVER VALLEY (MAINLY NORTH OF BENSON).
* WHEN...FROM LATE TUESDAY MORNING THROUGH WEDNESDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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.
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