Includes Wawona and Tuolumne Meadows

July 8, 2024 - National Weather Service Hanford Office officals report a Heat Advisory continues for Yosemite National Park outside of the valley until 10:00 A.M. Wednesday July 10.

Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
327 AM PDT Mon Jul 8 2024

CAZ323-081700-
/O.CON.KHNX.HT.Y.0003.000000T0000Z-240710T1700Z/
Yosemite NP outside of the valley-
Including the cities of Wawona and Tuolumne Meadows
327 AM PDT Mon Jul 8 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT WEDNESDAY...

* WHAT...High temperatures 15 to 20 degrees above normal. Moderate
  to Major HeatRisk.

* WHERE...Yosemite NP outside of the valley.

* WHEN...Until 10 AM PDT Wednesday.

* IMPACTS...Well above normal temperatures, even for the high
  Sierra, will make outdoor activities more likely to cause
  heat-related illnesses than folks are used to even at high
  elevation.

* ADDITIONAL DETAILS...Impacts likely in health systems,
  heat-sensitive industries and infrastructure.

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.