561
WWUS75 KBOI 202016
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
216 PM MDT THU AUG 20 2026
IDZ012-014-016-033-ORZ064-212115-
/O.CON.KBOI.HT.Y.0007.000000T0000Z-260822T0300Z/
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-
UPPER WEISER RIVER-OREGON LOWER TREASURE VALLEY-
INCLUDING THE CITIES OF NAMPA, BOISE, INDIAN VALLEY, COUNCIL,
GLENDALE, CAMBRIDGE, ONTARIO, CALDWELL, NYSSA, GOODRICH, TWIN FALLS,
FRUITVALE, AND MESA
216 PM MDT THU AUG 20 2026 /116 PM PDT THU AUG 20 2026/
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
FRIDAY...
* WHAT...HIGH TEMPERATURES 98 TO 104 DEGREES BOTH TODAY AND FRIDAY.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHWEST IDAHO AND SOUTHEAST
OREGON.
* WHEN...UNTIL 9 PM MDT /8 PM PDT/ FRIDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
LC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page