Headline:
Heat Advisory issued August 19 at 2:17AM MDT until August 21 at 9:00PM MDT by NWS Boise ID
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 19, 2026 - 1:17am
Expires:
August 19, 2026 - 2:00pm
Description:
* WHAT...Temperatures 96 to 101 in the Western Magic Valley and 98 to
104 in the Treasure Valley and Upper Weiser Basin.
* WHERE...Portions of south central and southwest Idaho and southeast
Oregon.
* WHEN...From noon MDT /11 AM PDT/ Thursday to 9 PM MDT /8 PM PDT/
Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
Instruction:
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.
Area Description:
Lower Treasure Valley; Upper Treasure Valley; Western Magic Valley; Upper Weiser River; Oregon Lower Treasure Valley
Forcast Office:
NWS Boise ID
Sender:
w-nws.webmaster@noaa.gov