weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
632 PM PDT Mon Sep 7 2026

CAZ300>317-319-321-081000-
/O.CON.KHNX.HT.Y.0006.260909T1700Z-260911T0500Z/
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-
Including the cities of Lost Hills, Atwater, Bakersfield, Goshen,
McKittrick, Millerton Lake, Delano, Coalinga, Sanger, Kingsburg,
Arvin, Le Grand, Mariposa, El Portal, Shafter, Madera, Merced,
Lamont, Kerman, Tulare, Corcoran, Taft, Los Banos, Fresno, Planada,
Five Points, Selma, Blackwells Corner, Kettleman City, San Luis
Reservoir, Visalia, Richgrove, Avenal, Hanford, Wasco, Lemoore,
Lemoore Station, Buttonwillow, Alpaugh, Parlier, Porterville, and
Lake Mcclure
632 PM PDT Mon Sep 7 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...

* WHAT...High temperatures up to 102 and morning lows up to 75
  expected. Widespread Moderate HeatRisk will be present with areas
  of Major HeatRisk in the foothills where the thermal belt is
  strongest and in urban areas.

* WHERE...The San Joaquin Valley, Sierra Nevada Foothills, and West
  Side Hills along the Coastal Range.

* WHEN...From 10 AM Wednesday to 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially
  those without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Little to no relief at night in areas of Major
  HeatRisk. Air conditioning is necessary; fans and open windows at
  night will not be enough.

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.

&&

$$

EW

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1030 AM PDT Mon Sep 7 2026

CAZ129-131-134-137-142-144>146-148>164-082300-
/O.NEW.KSTO.HT.Y.0005.260909T1700Z-260911T0500Z/
Sierra (Tehama-Plumas) 1000-3000 ft-N. Motherlode 1000-3000 ft-
Central Motherlode 1000-3000 ft-Southern Motherlode 1000-3000 ft-
N. Sac Valley in Tehama County-Central Glenn Co & Interstate 5-
Eastern Glenn County-Butte County Below 1000 ft-Central Colusa
County Incl. I-5-Eastern Colusa County-Sutter/Yuba counties below
1000 ft-Yolo / Solano County Hills-W. Yolo County including
Capay/I-505-C. Yolo/NE Solano including Woodland-Sac Metro/W. El
Dorado/Amador County-C. Solano County including Fairfield-SW
Solano County including Vallejo-Sacramento County Delta-San
Joaquin County Delta-C. San Joaquin County including Stockton-
Tracy Triangle Below 1000 ft-NE San Joaquin Valley Below 1000 ft-
E. Diablo Range Above 1000 ft-W. Stanislaus County Above 1000 ft
& I-5-C. Stanislaus County including Modesto-
Including the cities of Auburn, Grass Valley, Colfax, Nevada City,
Cameron Park, Shingle Springs, Placerville, Cool, Jackson, Stockton,
Lodi, Esparto, Winters, Vallejo, Benicia, Red Bluff, Woodland, Dixon,
Tracy, Fairfield, Vacaville, Yuba City, Beale AFB, Paradise, Chico,
Oroville, Gridley, Modesto, Turlock, Willows, Orland, Sonora, Angels
Camp, Lincoln, Roseville, Sacramento, Elk Grove, Folsom, Walnut
Grove, Colusa, and Williams
1030 AM PDT Mon Sep 7 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...

* WHAT...High temperatures 97 to 102 and low temperatures 65 to 75
  expected, with widespread Moderate HeatRisk and areas of Major
  HeatRisk.

* WHERE...The central and southern Sacramento Valley, northern San
  Joaquin Valley, Delta and Carquinez Strait, Foothills, and portions
  of the Coast Range.

* WHEN...From 10 AM Wednesday to 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially to
  anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Hottest temperatures and areas of Major
  HeatRisk are expected to occur on Thursday. Warmest overnight lows
  are expected in the Sierra foothills thermal belts.

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.

&&

$$

For more information, visit us at www.weather.gov/sto/

NR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
1027 AM PDT Mon Sep 7 2026

CAZ006-502>506-508>510-512>518-528>530-091700-
/O.NEW.KMTR.HT.Y.0013.260909T1700Z-260911T0500Z/
San Francisco-Marin Coastal Range-Sonoma Coastal Range-North Bay
Interior Mountains-Coastal North Bay Including Point Reyes
National Seashore-North Bay Interior Valleys-San Francisco Bay
Shoreline-San Francisco Peninsula Coast-East Bay Interior Valleys-
Santa Cruz Mountains-Santa Clara Valley Including San Jose-
Eastern Santa Clara Hills-East Bay Hills-Southern Salinas
Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and
Los Padres National Forest-Mountains of San Benito County And
Interior Monterey County including Pinnacles National Park-
Northern Salinas Valley/Hollister Valley and Carmel Valley-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
1027 AM PDT Mon Sep 7 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT
THURSDAY...

* WHAT...Hot conditions with temperatures 10 to 20 degrees above
  normal.

* WHERE...Bay Area and Central Coast.

* WHEN...From 10 AM Wednesday to 10 PM PDT Thursday.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries. Hot conditions can cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.

Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.

&&

$$

Sarment


Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1106 AM PDT Mon Sep 7 2026

CAZ085-ORZ029>031-080915-
/O.NEW.KMFR.FR.Y.0009.260908T1000Z-260908T1600Z/
Modoc County-Klamath Basin-Northern and Eastern Klamath County
and Western Lake County-Central and Eastern Lake County-
Including the cities of Olene, Midland, Sprague River, Chemult,
Canby, Lookout, Bly, Gilchrist, Alturas, Crescent, Davis Creek, Fort
Rock, and Beatty
1106 AM PDT Mon Sep 7 2026

...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM PDT TUESDAY...

* WHAT...Widespread frost conditions, with local areas of
  sub-freezing temperatures as low as 31 degrees

* WHERE...In California, valleys and basins in Modoc County. In
  Oregon, valleys and basins in Lake and Klamath counties. This
  includes the communities of Crescent, Chemult, Fort Rock and the
  rest of the Christmas Valley, Chiloquin, Sprague River, Bly, cities
  in the Klamath Basin, areas east of Lakeview, Canby, and Alturas.

* WHEN...From 3 AM to 9 AM PDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered. Animals not
  acclimated to these conditions may be harmed if left outside for
  extended periods.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants and sensitive animals from
the cold.

&&

$$

TAD


Beach Hazards Statement


Coastal Hazard Message
National Weather Service San Francisco CA
758 AM PDT Mon Sep 7 2026

CAZ006-505-509-529-530-080600-
/O.CON.KMTR.BH.S.0019.000000T0000Z-260908T0600Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
758 AM PDT Mon Sep 7 2026

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* WHAT...Increased risk of sneaker waves and strong rip currents
  due to incoming long period southerly swell associated with
  tropical activity in the Eastern Pacific Ocean. Breaking waves
  to around 10 feet expected.

* WHERE...Pacific Coast beaches.

* WHEN...Through 11 PM PDT Monday evening.

* IMPACTS...Dangerous conditions are forecast along the shoreline.
  Hazards include sneaker waves, strong rip currents, and large
  breaking waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE