783
WWUS75 KBOI 190616
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
1216 AM MDT SUN JUL 19 2026
IDZ012-014-033-ORZ063-064-191430-
/O.NEW.KBOI.HT.Y.0004.260720T1800Z-260721T0300Z/
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-UPPER WEISER RIVER-
MALHEUR COUNTY-OREGON LOWER TREASURE VALLEY-
INCLUDING THE CITIES OF GLENDALE, GOODRICH, MALHEUR CITY, NAMPA,
CAMBRIDGE, BOISE, MESA, CALDWELL, ONTARIO, INDIAN VALLEY,
FRUITVALE, NYSSA, AND COUNCIL
1216 AM MDT SUN JUL 19 2026 /1116 PM PDT SAT JUL 18 2026/
...HEAT ADVISORY IN EFFECT FROM NOON MDT /11 AM PDT/ TO 9 PM MDT /8
PM PDT/ MONDAY...
* WHAT...TEMPERATURES UP TO 103 EXPECTED.
* WHERE...TREASURE VALLEY, UPPER WEISER RIVER, AND MALHEUR COUNTY.
* WHEN...FROM NOON MDT /11 AM PDT/ TO 9 PM MDT /8 PM PDT/ MONDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES, ESPECIALLY
FOR THE YOUNG, ELDERLY, AND ANIMALS.
* ADDITIONAL DETAILS...WARM OVERNIGHT TEMPERATURES WILL LIMIT
RECOVERY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
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.
IDZ015-016-030-191430-
/O.NEW.KBOI.HT.Y.0004.260720T1800Z-260721T0300Z/
SOUTHWEST HIGHLANDS-WESTERN MAGIC VALLEY-SOUTHERN TWIN FALLS
COUNTY-
INCLUDING THE CITIES OF ROGERSON, MURPHY HOT SPRINGS, GRASMERE,
TWIN FALLS, THREE CREEK, HOLLISTER, AND RIDDLE
1216 AM MDT SUN JUL 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM MDT MONDAY
* WHAT...TEMPERATURES UP TO 100 EXPECTED.
* WHERE...WESTERN MAGIC VALLEY, SOUTHERN TWIN FALLS COUNTY, AND
SOUTHWEST HIGHLANDS.
* WHEN...FROM NOON TO 9 PM MDT MONDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES, ESPECIALLY
FOR THE YOUNG, ELDERLY, AND ANIMALS.
* ADDITIONAL DETAILS...WARM OVERNIGHT TEMPERATURES WILL LIMIT
RECOVERY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
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.
ST
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