401
WWUS86 KSTO 121804
RFWSTO
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1104 AM PDT WED AUG 12 2026
CAZ130-132-133-135-138-121915-
/O.CAN.KSTO.FW.A.0003.260813T1200Z-260814T0400Z/
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-SIERRA (YUBA-PLACER) 3000-
5000 FT-SIERRA (SIERRA-PLACER) ABOVE 5000 FT-SIERRA 3000-5000 FT-
SIERRA (CAL-TUO) 3000-5000 FT-
1104 AM PDT WED AUG 12 2026
...FIRE WEATHER WATCH IS CANCELLED FOR THUNDERSTORMS AND STRONG
OUTFLOW WINDS FOR FIRE ZONES 130,132,133,135,136,138 AND 139...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE FIRE
WEATHER WATCH. LIMITED CHANCES FOR THUNDERSTORM REMAIN IN THE
FORECAST FOR THE AFOREMENTIONED AREAS SO STILL CONTINUE TO
PRACTICE FIRE SAFETY.
CAZ136-139-140000-
/O.UPG.KSTO.FW.A.0003.260813T1200Z-260814T0400Z/
/O.NEW.KSTO.FW.W.0004.260813T1200Z-260814T0400Z/
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-SIERRA (CAL-
TUO) ABOVE 5000 FT-
1104 AM PDT WED AUG 12 2026
...RED FLAG WARNING IN EFFECT FROM 5 AM TO 9 PM PDT THURSDAY FOR
THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR FIRE ZONES 136 AND
139...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS, WHICH IS IN
EFFECT FROM 5 AM TO 9 PM PDT THURSDAY. THE FIRE WEATHER WATCH IS
NO LONGER IN EFFECT.
* AFFECTED AREA...FIRE ZONE 136 SIERRA (EL DORADO-AMADOR) ABOVE
5000 FT AND FIRE ZONE 139 SIERRA (CAL-TUO) ABOVE 5000 FT.
* THUNDERSTORMS...ISOLATED TO SCATTERED COVERAGE OF A MIX OF WET
AND DRY THUNDERSTORMS EXPECTED. LIGHTNING STRIKES MAY ALSO
OCCUR OUTSIDE OF MAIN PRECIPITATION CORES.
* OUTFLOW WINDS...GUSTY AND ERRATIC OUTFLOW WINDS COULD OCCUR
NEAR ANY THUNDERSTORM DEVELOPMENT.
* IMPACTS...LIGHTNING CAN CREATE NEW FIRE STARTS AND MAY COMBINE
WITH STRONG OUTFLOW WINDS TO CAUSE A FIRE TO RAPIDLY GROW IN
SIZE AND INTENSITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
HTTP://WEATHER.GOV/SACRAMENTO
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