400
WGUS66 KSTO 231934
FFASTO
FLOOD WATCH
NATIONAL WEATHER SERVICE SACRAMENTO CA
1134 AM PST TUE DEC 23 2025
CAZ013>019-063-066>069-250000-
/O.CON.KSTO.FA.A.0004.000000T0000Z-251227T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-BURNEY BASIN / EASTERN
SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-CENTRAL SACRAMENTO
VALLEY-SOUTHERN SACRAMENTO VALLEY-CARQUINEZ STRAIT AND DELTA-
NORTHERN SAN JOAQUIN VALLEY-MOUNTAINS SOUTHWESTERN SHASTA COUNTY
TO WESTERN COLUSA COUNTY-NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
MOTHERLODE-WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN
SIERRA NEVADA-
INCLUDING THE CITIES OF BLUE CANYON, PARADISE, MODESTO, JACKSON,
REDDING, MARYSVILLE/YUBA CITY, ALDER SPRINGS, QUINCY, SHASTA DAM,
RED BLUFF, SACRAMENTO, FAIRFIELD/SUISUN, OROVILLE, BURNEY, GRASS
VALLEY, STOCKTON, CHESTER, AND CHICO
1134 AM PST TUE DEC 23 2025
..FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...A PORTION OF NORTHERN CALIFORNIA, INCLUDING THE FOLLOWING
AREAS, THE SACRAMENTO VALLEY, NORTHERN SAN JOAQUIN VALLEY, DELTA
REGION, SIERRA NEVADA AND ADJACENT FOOTHILLS, AND COASTAL RANGE.
* WHEN...THROUGH FRIDAY AFTERNOON.
* IMPACTS...EXCESSIVE RUNOFF WILL RESULT IN RISES ALONG AREA RIVERS,
CREEKS, STREAMS. SMALL STREAMS AND CREEKS MAY RISE OUT OF THEIR
BANKS. FLOODING MAY OCCUR IN LOW-LYING, POOR DRAINAGE, AND URBAN
AREAS. MUDSLIDES AND ROCKSLIDES MAY OCCUR IN MOUNTAIN AND FOOTHILL
AREAS.
* ADDITIONAL DETAILS...
- PERIODS OF MODERATE TO HEAVY RAIN ARE FORECAST THE WEEK OF
CHRISTMAS. DEBRIS FLOWS ARE NOT EXPECTED OVER RECENT BURN
SCARS IN NORTHERN CALIFORNIA, BUT DO ANTICIPATE ENHANCED
RUNOFF IN/BELOW SCARS.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD
WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED
TO TAKE ACTION SHOULD FLOODING DEVELOP.
JS
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