811
WWUS76 KSTO 311849
NPWSTO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1149 AM PDT SUN AUG 31 2025
CAZ017>019-067-012300-
/O.NEW.KSTO.HT.Y.0005.250901T1900Z-250902T0600Z/
SOUTHERN SACRAMENTO VALLEY-CARQUINEZ STRAIT AND DELTA-NORTHERN
SAN JOAQUIN VALLEY-MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY, MODESTO, SACRAMENTO,
JACKSON, STOCKTON, AND FAIRFIELD/SUISUN
1149 AM PDT SUN AUG 31 2025
..HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY
* WHAT...HIGH TEMPERATURES 99 TO 105 EXPECTED. WARM OVERNIGHT LOW
TEMPERATURES IN THE 60S TO LOW 70S. WIDESPREAD MODERATE HEATRISK
WITH AREAS OF MAJOR HEATRISK.
* WHERE...MOTHERLODE, NORTHERN SAN JOAQUIN VALLEY, AND SOUTHERN
SACRAMENTO VALLEY.
* WHEN...FROM NOON TO 11 PM PDT MONDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
HEAT EVENTS, PARTICULARLY FOR THOSE WORKING OR PARTICIPATING IN
OUTDOOR ACTIVITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES, NEIGHBORS, AND THOSE MORE
SUSCEPTIBLE TO HEAT IMPACTS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR LATE EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE.
FOR MORE INFORMATION, VISIT US AT WWW.WEATHER.GOV/STO/
NR
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