984
FSUS46 KLOX 241144
QPSLOX
QUANTITATIVE PRECIPITATION FORECAST
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
332 AM PST WED DEC 24 2025
PRECIPITATION FORECASTS IN INCHES ARE PROVIDED IN 3-HOUR
INCREMENTS UNTIL 1600 FOLLOWED BY 6-HOUR INCREMENTS UNTIL 0400.
THUNDERSTORM CHANCES COVER UP TO 0400 ON DAY 1 ONLY.
LIGHT RAINFALL AMOUNTS GREATER THAN ZERO BUT LESS THAN A TENTH OF AN
INCH ARE SHOWN AS LGT.
THE DISCUSSION COVERS THE PERIOD FROM: WED DEC 24 2025 THROUGH TUE DEC 30 2025.
04-07 07-10 10-13 13-16 | 16-22 22-04
SAN LUIS OBISPO COUNTY...
LSRC1:CAMBRIA 0.1 LGT LGT 0.1 | 0.2 0.2
SMRC1:SANTA MARGARITA 0.1 LGT LGT 0.1 | 0.2 0.2
NIPC1:LOPEZ LAKE 0.4 0.2 0.3 LGT | 0.2 0.1
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS
EXPECTED PEAK (IN/HR): 0.20-0.40 0.20-0.50
PROBABILITY 0.50+ IN/HR: 45% 50%
PROBABILITY 1.00+ IN/HR: 10% 20%
PEAK RATES EXPECTED TO OCCUR BETWEEN: 0400-0700
CHANCE OF THUNDERSTORMS: 40%
ISOLATED RATES AROUND 1.0 IN/HR POSSIBLE NEAR THUNDERSTORMS.
04-07 07-10 10-13 13-16 | 16-22 22-04
SANTA BARBARA COUNTY...
SIYC1:SANTA MARIA 0.3 0.1 0.1 LGT | 0.1 LGT
SBTC1:SANTA BARBARA POTRERO 1.7 0.7 0.5 0.2 | 0.7 0.7
GBRC1:GIBRALTAR DAM 1.5 0.6 0.4 0.1 | 0.7 0.6
SMCC1:SAN MARCOS PASS 1.4 0.5 0.4 0.2 | 0.7 0.5
SBFC1:SANTA BARBARA CITY 1.0 0.4 0.3 0.1 | 0.4 0.3
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS
EXPECTED PEAK (IN/HR): 0.45-0.65 0.70-1.10
PROBABILITY 0.50+ IN/HR: 80% 100%
PROBABILITY 1.00+ IN/HR: 30% 60%
PEAK RATES EXPECTED TO OCCUR BETWEEN: 0400-0800
CHANCE OF THUNDERSTORMS: 40%
ISOLATED RATES AROUND 2.25 IN/HR POSSIBLE NEAR THUNDERSTORMS.
04-07 07-10 10-13 13-16 | 16-22 22-04
VENTURA COUNTY...
FGWC1:FAGAN CANYON 1.6 0.6 0.3 LGT | 0.3 0.5
HRCC1:HOPPER CANYON 1.5 1.1 0.5 0.2 | 0.3 0.8
MTDC1:MATILIJA DAM 2.0 0.8 0.4 0.1 | 0.6 0.8
VTUC1:VENTURA CITY 1.3 0.5 0.2 LGT | 0.2 0.3
MORC1:MOORPARK 1.3 0.9 0.3 0.1 | 0.1 0.6
CRXC1:CIRCLE X RANCH 1.8 0.7 0.3 0.1 | 0.3 0.5
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS
EXPECTED PEAK (IN/HR): 0.45-0.85 0.90-1.50
PROBABILITY 0.50+ IN/HR: 100% 100%
PROBABILITY 1.00+ IN/HR: 40% 80%
PEAK RATES EXPECTED TO OCCUR BETWEEN: 0400-0800
CHANCE OF THUNDERSTORMS: 40%
ISOLATED RATES AROUND 3.0 IN/HR POSSIBLE NEAR THUNDERSTORMS.
04-07 07-10 10-13 13-16 | 16-22 22-04
LOS ANGELES COUNTY...
WFKC1:WEST FORK HELIPORT 1.1 2.7 1.9 0.8 | 0.4 0.8
BDDC1:BIG DALTON DAM 0.3 1.0 1.3 0.5 | 0.4 0.3
PCDC1:PACOIMA DAM 0.8 2.0 1.1 0.4 | 0.3 1.0
FLTC1:LA CANADA FLINTRIDGE 0.6 1.5 1.2 0.5 | 0.2 0.4
SAUC1:SAUGUS 0.7 1.6 0.9 0.3 | 0.1 0.7
CQT:DOWNTOWN LA 0.4 1.0 0.9 0.3 | LGT 0.2
MLUC1:MALIBU BIG ROCK MESA 0.6 1.5 0.7 0.2 | 0.1 0.6
1-HR RATES: COASTS/VALLEYS FOOTHILLS/MOUNTAINS
EXPECTED PEAK (IN/HR): 0.50-0.90 0.90-1.60
PROBABILITY 0.50+ IN/HR: 100% 100%
PROBABILITY 1.00+ IN/HR: 45% 90%
PEAK RATES EXPECTED TO OCCUR BETWEEN: 0500-1300
CHANCE OF THUNDERSTORMS: 40%
ISOLATED RATES AROUND 3.25 IN/HR POSSIBLE NEAR THUNDERSTORMS.
DISCUSSION:
A SIGNIFICANT WINTER STORM WILL AFFECT THE AREA TODAY AND CONTINUE
THROUGH FRIDAY WITH A SLIGHT LULL TONIGHT THROUGH THURSDAY MORNING.
THE HEAVIEST RAIN WILL OCCUR TODAY WITH A SECONDARY PULSE OF
MODERATE TO HEAVY RAIN ON LATER CHRISTMAS DAY AND INTO FRIDAY
MORNING. A SHOWERY PATTERN WILL REMAIN OVER THE AREA THROUGH
SATURDAY MORNING.
RAINFALL AMOUNTS THROUGH LATER FRIDAY WILL LIKEY RANGE FROM 3-8
INCHES ACORSS COASTAL AND VALLEY WITH 6-12+ INCHES ACROSS THE
FOOTHILLS AND MOUNTAINS. RAINFALL RATES WILL PEAK BETWEEN 0.50 TO
1.50 INCHES PER HOUR. SNOW LEVELS WILL REMAIN ABOVE 7500-8000 FEET
THROUGH CHRISTMAS EVE, BUT WILL DROP INTO THE 5500-6500 FOOT RANGE
BY FRIDAY AND SATURDAY.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page