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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
354 AM PDT Sun May 10 2026

CAZ300>317-319-321-332-101900-
/O.CON.KHNX.HT.Y.0001.260511T1800Z-260513T0300Z/
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-Fresno-Tulare Foothills-South End
Sierra Foothills-Kern River Valley-
Including the cities of San Luis Reservoir, Atwater, Sanger, Lost
Hills, Visalia, Le Grand, Five Points, Lamont, Richgrove, Lake
Mcclure, Hanford, Lemoore, Goshen, Delano, Selma, Mariposa,
Porterville, Avenal, Arvin, Millerton Lake, El Portal, Lake
Isabella, Tulare, Kettleman City, Merced, Kingsburg, Kerman,
McKittrick, Taft, Blackwells Corner, Corcoran, Coalinga, Alpaugh,
Lemoore Station, Planada, Kernville, Los Banos, Shafter, Fresno,
Wasco, Bakersfield, Buttonwillow, Madera, and Parlier
354 AM PDT Sun May 10 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT
TUESDAY...

* WHAT...High temperatures up to 102 with widespread Moderate
  HeatRisk expected. Areas of Major HeatRisk will impact portions of
  the foothills where the thermal belt exists overnight and in urban
  areas including Fresno.

* WHERE...A portion of central California.

* WHEN...From 11 AM Monday to 8 PM PDT Tuesday.

* IMPACTS...Hot temperatures and high humidity 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.

&&

$$

JPK

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
305 AM PDT Sun May 10 2026

CAZ048-102115-
/O.CON.KSGX.HT.Y.0003.260511T1700Z-260512T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Fontana, Ontario, Riverside, Moreno
Valley, Rancho Cucamonga, San Bernardino, and Corona
305 AM PDT Sun May 10 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT MONDAY...

* WHAT...Temperatures 95 to 100 degrees.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
  Empire.

* WHEN...From 10 AM to 8 PM PDT Monday.

* 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.

&&

$$

12

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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