565
FSUS46 KSGX 221142
QPSSGX
QUANTITATIVE PRECIPITATION FORECAST
NATIONAL WEATHER SERVICE SAN DIEGO CA
342 AM PST MON DEC 22 2025
PRECIPITATION FORECAST IN INCHES IN 6-HOUR PERIODS...
[ BEGINNING TIMES FOR EACH PERIOD ARE IN LOCAL TIME... ]
[ FOR EXAMPLE...04THU ]
[ ...10THU IS A FORECAST FOR 4 AM TO 10 AM THURSDAY ]
[ FOR EXAMPLE...22THU ]
[ ...04FRI IS A FORECAST FOR 10 PM THURSDAY TO 4 AM FRIDAY]
..ORANGE COUNTY COASTAL AREAS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
HUNTINGTON BEACH
0.00 0.00 0.00 0.00 0.00 0.01 0.10 0.50 1.29 0.94 0.40 0.24
NEWPORT BEACH
0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.46 1.22 0.96 0.36 0.21
LAGUNA BEACH
0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.43 1.18 0.95 0.37 0.20
SAN CLEMENTE
0.00 0.00 0.00 0.00 0.00 0.01 0.02 0.37 1.17 0.97 0.43 0.22
..ORANGE COUNTY INLAND AREAS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
ANAHEIM
0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.47 1.30 0.99 0.49 0.24
FULLERTON
0.00 0.00 0.00 0.00 0.00 0.00 0.12 0.50 1.35 0.99 0.49 0.26
BREA
0.00 0.00 0.00 0.00 0.00 0.01 0.10 0.58 1.49 1.13 0.56 0.35
VILLA PARK
0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.49 1.38 1.07 0.51 0.23
..SANTA ANA MOUNTAINS AND FOOTHILLS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
FREMONT CANYON
0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.49 1.38 1.10 0.55 0.23
SILVERADO CANYON, 3 MI EAST OF SILVERADO
0.00 0.00 0.00 0.00 0.00 0.01 0.04 0.75 1.76 1.52 0.67 0.30
MODJESKA PRESERVE
0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.54 1.50 1.28 0.56 0.25
SANTIAGO PEAK
0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.73 1.62 1.43 0.64 0.29
EL CARISO
0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.43 1.18 1.10 0.51 0.23
SANTA ROSA PLATEAU
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.44 1.10 1.09 0.52 0.31
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
ONTARIO
0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.48 1.33 1.07 0.47 0.26
SAN BERNARDINO
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.31 1.02 1.01 0.47 0.22
BEAUMONT
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.31 0.89 1.03 0.51 0.25
RIVERSIDE
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.27 1.04 0.94 0.41 0.20
PERRIS VALLEY CHANNEL
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.24 0.91 0.93 0.44 0.18
PRADO DAM
0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.38 1.28 1.07 0.48 0.21
TEMECULA
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.20 0.90 0.95 0.48 0.21
HEMET
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.17 0.72 0.85 0.39 0.17
..RIVERSIDE COUNTY MOUNTAINS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
IDYLLWILD
0.00 0.00 0.00 0.00 0.00 0.02 0.03 0.33 1.02 1.23 0.59 0.21
..COACHELLA VALLEY
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
PALM SPRINGS
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.44 0.62 0.28 0.07
THERMAL
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.32 0.41 0.17 0.03
..SAN BERNARDINO COUNTY MOUNTAINS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
SAN ANTONIO DAM
0.00 0.00 0.00 0.00 0.00 0.01 0.15 1.09 2.05 1.61 0.91 0.37
LYTLE CREEK
0.00 0.00 0.00 0.00 0.00 0.02 0.05 1.27 2.08 1.73 0.99 0.78
WRIGHTWOOD
0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.82 1.45 1.13 0.53 0.25
LAKE ARROWHEAD
0.00 0.00 0.00 0.00 0.00 0.01 0.02 1.21 1.46 1.54 0.75 0.44
BIG BEAR LAKE
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.29 0.93 1.02 0.49 0.19
BIG MORONGO CANYON
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.66 0.86 0.35 0.12
..APPLE AND LUCERNE VALLEYS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
HESPERIA
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.39 0.76 0.74 0.30 0.22
VICTORVILLE
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.33 0.89 0.81 0.30 0.12
APPLE VALLEY
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.28 0.75 0.78 0.29 0.11
..SAN DIEGO COUNTY COASTAL AREAS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
OCEANSIDE
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.25 1.00 0.93 0.43 0.20
MIRAMAR
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.75 0.76 0.42 0.14
SAN DIEGO INTERNATIONAL AIRPORT
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.10 0.73 0.72 0.38 0.14
CHULA VISTA
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.07 0.61 0.64 0.32 0.12
SAN YSIDRO
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.07 0.62 0.70 0.34 0.13
..SAN DIEGO COUNTY VALLEYS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
FALLBROOK
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.18 0.97 1.00 0.47 0.20
RANCHO BERNARDO
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.74 0.78 0.42 0.15
LA MESA
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.65 0.70 0.39 0.13
EL CAJON
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.62 0.70 0.37 0.12
..SAN DIEGO COUNTY MOUNTAINS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
PALOMAR MOUNTAIN
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.30 0.93 1.14 0.61 0.25
JULIAN
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.11 0.80 0.99 0.49 0.18
MOUNT LAGUNA
0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.17 0.62 0.79 0.29 0.12
CAMPO
0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.04 0.42 0.64 0.28 0.11
..SAN DIEGO COUNTY DESERTS
04MON 10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED
10MON 16MON 22MON 04TUE 10TUE 16TUE 22TUE 04WED 10WED 16WED 22WED 04THU
BORREGO SPRINGS
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.30 0.40 0.17 0.04
LIGHTER RAIN COULD DEVELOP AS EARLY AS TUESDAY IN ADVANCE OF A
LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST. HEAVIER RAINFALL
WILL DEVELOP AND SPREAD SOUTHWARD ACROSS THE AREA TUESDAY NIGHT
AND EARLY WEDNESDAY WITH WIDESPREAD HEAVY RAINFALL FOR WEDNESDAY
MORNING THROUGH WEDNESDAY EVENING. SHOWERS WILL CONTINUE FOR LATE
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT, BUT WITH ADDITIONAL
PRECIPITATION AMOUNTS NOT AS HEAVY.
THROUGH WEDNESDAY EVENING, FOR ORANGE AND SOUTHWESTERN SAN
BERNARDINO COUNTIES, RAINFALL COULD RANGE FROM 3 TO 3.5 INCHES
NEAR THE COAST TO 4 TO 6 INCHES ON THE COASTAL SLOPES OF THE SAN
BERNARDINO COUNTY MOUNTAINS WITH ISOLATED TOTALS EXCEEDING 8
INCHES. THIS WILL DECREASE FROM NORTH TO SOUTH WITH AROUND 2
INCHES ACROSS FAR SOUTHERN SAN DIEGO COUNTY. FOR THE HIGH DESERT,
2 TO 3 INCHES IS EXPECTED WITH 0.75 TO 1.5 INCH FOR THE LOWER
DESERTS.
FOR LATE WEDNESDAY NIGHT THROUGH FRIDAY AFTERNOON FOR ORANGE AND
SOUTHWESTERN SAN BERNARDINO COUNTIES, ADDITIONAL RAINFALL AND
LIQUID EQUIVALENT ABOVE THE SNOW LEVEL FOR ORANGE AND SOUTHWESTERN
SAN BERNARDINO COUNTIES COULD RANGE FROM AROUND 1 INCH NEAR THE
COAST TO 1.5 TO 2.5 INCHES ON THE COASTAL SLOPES OF THE SAN
BERNARDINO COUNTY MOUNTAINS. THIS WILL DECREASE FROM NORTH TO SOUTH
WITH AROUND ONE-QUARTER TO ONE-HALF INCH ACROSS FAR SOUTHERN SAN
DIEGO COUNTY. FOR THE HIGH DESERT, ONE-QUARTER TO ONE-HALF INCH
IS EXPECTED WITH ONE-QUARTER INCH OR LESS FOR THE LOWER DESERTS.
THROUGH WEDNESDAY NIGHT FOR LYTLE CREEK IN THE SAN GABRIEL
MOUNTAINS TO THE WEST OF THE CAJON PASS, THE CHANCE FOR 5 INCHES
OR MORE OF RAINFALL IS 85 PERCENT WITH THE CHANCE FOR 8 INCHES OR
MORE OF RAINFALL 22 PERCENT.
THROUGH WEDNESDAY NIGHT FOR SOUTHWESTERN CALIFORNIA, CHANCES FOR 2
INCHES OR MORE OF RAINFALL RANGE FROM 90 TO 100 PERCENT FOR THE
COAST TO THE MOUNTAINS FOR AREAS BORDERING LOS ANGELES COUNTY TO 25
TO 35 PERCENT ACROSS FAR SOUTHERN SAN DIEGO COUNTY.
SNOW LEVELS WILL RISE ABOVE 9000 FEET ON WEDNESDAY MORNING, THEN
FALL TO AROUND 7000 FEET ON THURSDAY AND 5000 FEET FOR EARLY
SATURDAY.
17
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