Includes Mariposa, Oakhurst and Yosemite Valley

July 15, 2023 - National Weather Service Hanford Office officials report an Excessive Heat Warning for most of Central California from 11:00 A.M. this morning until 8:00 P.M. Monday evening.

Dangerous heat will result in a major to extreme risk for heat-related illnesses for much of the population, especially those without effective cooling.

Excessive Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
415 AM PDT Sat Jul 15 2023

CAZ300>322-324-325-332>339-152000-
/O.CON.KHNX.EH.W.0002.230715T1800Z-230718T0300Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-
Buttonwillow - Lost Hills - I5-Delano-Wasco-Shafter-Hanford -
Corcoran - Lemoore-Visalia - Porterville - Reedley-Buena Vista-
Bakersfield-Southeast San Joaquin Valley-
South End San Joaquin Valley-Mariposa Madera Foothills-Mariposa-
Madera Lower Sierra-Fresno-Tulare Foothills-Fresno-
Tulare Lower Sierra-South End Sierra Foothills-
South End of the Lower Sierra-Yosemite Valley-
San Joaquin River Canyon-Kern River Valley-Piute Walker Basin-
Tehachapi-Grapevine-Frazier Mountain Communities-
Indian Wells Valley-Mojave Desert Slopes-Mojave Desert-
Including the cities of San Luis Reservoir, Los Banos, Merced,
Madera, Atwater, Planada, Lake Mcclure, Le Grand, Avenal,
Coalinga, Lemoore Station, Five Points, Kettleman City, Selma,
Sanger, Parlier, Kingsburg, Kerman, Fresno, Blackwells Corner,
McKittrick, Lost Hills, Buttonwillow, Delano, Wasco, Alpaugh,
Shafter, Hanford, Lemoore, Corcoran, Goshen, Visalia, Tulare,
Porterville, Taft, Bakersfield, Richgrove, Lamont, Arvin,
El Portal, Mariposa, Bass Lake, Coarsegold, Fish Camp, Oakhurst,
North Fork, Millerton Lake, Auberry, Camp Nelson,
Yosemite Valley, Lake Isabella, Kernville, Tehachapi, Grapevine,
Lebec, Frazier Park, Inyokern, Ridgecrest, Mojave, Rosamond,
California City, Randsburg, and Edwards AFB
415 AM PDT Sat Jul 15 2023

...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM PDT THIS
MORNING UNTIL 8 PM PDT MONDAY EVENING...

* WHAT...High temperatures 112 to 117 degrees in the Kern County
  desert. Maximum temperatures 108 to 113 degrees in the San
  Joaquin Valley and Coastal Range. High temperatures 104 to 109
  degrees in the Lower Sierra foothills, Yosemite Valley, and Kern
  River Valley.

* WHERE...Most of Central California.

* WHEN...From 11 AM PDT this morning until 8 PM PDT Monday
  evening.

* IMPACTS...Dangerous heat will result in a major to extreme
  risk for heat-related illnesses for much of the population,
  especially those who are heat sensitive and those without
  effective cooling and/or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, remain in an air-conditioned room, stay
out of the sun, and check on relatives and neighbors.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. 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.