398
WWUS76 KSTO 071730
NPWSTO

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