WWUS75 KBOI 051800

NPWBOI



URGENT - WEATHER MESSAGE

National Weather Service Boise ID

1200 PM MDT Wed Aug 5 2026



IDZ012-014>016-029-030-033-ORZ061>064-061000-

/O.NEW.KBOI.HT.Y.0006.260806T2000Z-260809T0300Z/

Lower Treasure Valley-Upper Treasure Valley-Southwest Highlands-

Western Magic Valley-Owyhee Mountains-Southern Twin  Falls County-

Upper Weiser River-Harney County-Baker County-Malheur County-

Oregon Lower Treasure Valley-

Including the cities of Council, Baker, Dunnean, New Princeton, Mesa,

Burns, Ontario, Goodrich, Fruitvale, Hollister, Cambridge, Three

Creek, Silver City, Caldwell, Indian Valley, Venator, Boise,

Rogerson, Glendale, Buchanan, Diamond, Riddle, Grasmere, Nyssa, Twin

Falls, Crane, Murphy Hot Springs, Nampa, Malheur City, and Reynolds

1200 PM MDT Wed Aug 5 2026 /1100 AM PDT Wed Aug 5 2026/



...HEAT ADVISORY IN EFFECT FROM 2 PM MDT /1 PM PDT/ THURSDAY TO 9 PM

MDT /8 PM PDT/ SATURDAY...



* WHAT...Afternoon temperatures in the triple digits for lower

  elevations and the high desert, mid to upper 90s for higher

  terrain. Some mild relief overnight with minimum temperatures in

  the mid to upper 60s in lower elevations and 50s in the higher

  terrain.



* WHERE...Portions of south central and southwest Idaho and northeast

  and southeast Oregon.



* WHEN...From 2 PM MDT /1 PM PDT/ Thursday to 9 PM MDT /8 PM PDT/

  Saturday.



* 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.



&&



$$



JM