000 
FPUS56 KSGX 220354 AAA
ZFPSGX

ZONE FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA...UPDATED
NATIONAL WEATHER SERVICE SAN DIEGO CA
854 PM PDT THU AUG 21 2003

CAZ042-221030-
ORANGE COUNTY COASTAL AREAS-
854 PM PDT THU AUG 21 2003

UPDATED 

.TONIGHT...LOW CLOUDS SPREADING INLAND. LOWS MOSTLY IN THE 60S. 
.FRIDAY...AREAS OF CLOUDS IN THE MORNING...OTHERWISE MOSTLY SUNNY. 
HIGHS 77 TO 87.
.FRIDAY NIGHT...PARTLY CLOUDY. LOCAL FOG AFTER MIDNIGHT. LOWS IN THE 
60S. 
.SATURDAY...AREAS OF CLOUDS AND FOG IN THE MORNING...OTHERWISE MOSTLY
SUNNY. HIGHS 78 TO 88.
.SATURDAY NIGHT...PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS IN
THE 60S. 
.SUNDAY...PARTLY CLOUDY. AREAS OF FOG IN THE MORNING. HIGHS 78 TO 88.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. PATCHY FOG IN THE NIGHTS 
AND MORNINGS. LOWS IN THE 60S. HIGHS MOSTLY IN THE 80S.

=
$$

CAZ043-221030-
SAN DIEGO COUNTY COASTAL AREAS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...MOSTLY CLOUDY. LOWS IN THE 60S. 
.FRIDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLEARING. HIGHS 73 TO 
81.
.FRIDAY NIGHT...LOW CLOUDS SPREADING INLAND . LOWS IN THE 60S. 
.SATURDAY...MOSTLY CLOUDY IN THE MORNING...THEN CLEARING. HIGHS 75 
TO 85.
.SATURDAY NIGHT...PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS IN
THE 60S. 
.SUNDAY...PARTLY CLOUDY. AREAS OF FOG IN THE MORNING. HIGHS 74 TO 84.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. PATCHY FOG IN THE NIGHTS 
AND MORNINGS. LOWS IN THE 60S. HIGHS 75 TO 85.

=
$$

CAZ048-221030-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT

.TONIGHT...MOSTLY CLEAR. PATCHY LOW CLOUDS AND FOG LATE. LOWS MOSTLY 
IN THE 60S. 
.FRIDAY...MOSTLY SUNNY. HIGHS 85 TO 95.
.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE 60S. 
.SATURDAY...MOSTLY SUNNY. HIGHS IN THE 90S. 
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS IN THE 60S. 
.SUNDAY...PARTLY CLOUDY. HIGHS IN THE 90S. 
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. LOWS IN THE 60S. HIGHS IN
THE 90S.

=
$$

CAZ050-221030-
SAN DIEGO COUNTY VALLEYS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...LOW CLOUDS AND AREAS OF FOG SPREADING INLAND. LOWS IN THE 
60S. 
.FRIDAY...MORNING LOW CLOUDS AND FOG...THEN SUNNY. HIGHS 81 TO 91.
.FRIDAY NIGHT...PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS 58
TO 68.  
.SATURDAY...PARTLY CLOUDY WITH AREAS OF FOG IN THE 
MORNING...OTHERWISE MOSTLY SUNNY. HIGHS 84 TO 94.
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS 58 TO 68.
.SUNDAY...PARTLY CLOUDY. HIGHS 84 TO 94.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 85 TO
95.

=
$$

CAZ055-221030-
SAN BERNARDINO COUNTY MOUNTAINS-
854 PM PDT THU AUG 21 2003

UPDATED

.TONIGHT...MOSTLY CLEAR. LOWS 48 TO 58. 
.FRIDAY...MOSTLY SUNNY...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF 
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 76 TO 86. CHANCE 
OF MEASURABLE PRECIPITATION 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 50 TO 60. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 78 TO 90. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
.SATURDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 52 TO 62. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 82 TO 92. CHANCE OF MEASURABLE PRECIPITATION 
30 PERCENT.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOONS AND EVENINGS. LOWS 55 TO 65. HIGHS
MOSTLY IN THE 80S.

=
$$

CAZ056-221030-
RIVERSIDE COUNTY MOUNTAINS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...MOSTLY CLEAR. LOWS 52 TO 62. 
.FRIDAY...MOSTLY SUNNY...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF 
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 92. CHANCE 
OF MEASURABLE PRECIPITATION 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 54 TO 64. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 81 TO 93. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
.SATURDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 53 TO 63. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 83 TO 93. CHANCE OF MEASURABLE PRECIPITATION 
30 PERCENT.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOONS AND EVENINGS. LOWS 55 TO 65. HIGHS
MOSTLY IN THE 80S.

=
$$

CAZ057-221030-
SANTA ANA MOUNTAINS AND FOOTHILLS-
854 PM PDT THU AUG 21 2003

UPDATED

.TONIGHT...MOSTLY CLEAR. LOWS IN THE 60S.
.FRIDAY...MOSTLY SUNNY. HIGHS 82 TO 92.
.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE 60S. 
.SATURDAY...MOSTLY SUNNY. HIGHS 84 TO 94.
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS IN THE 60S. 
.SUNDAY...PARTLY CLOUDY. HIGHS 86 TO 94.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. LOWS IN THE 60S. HIGHS 85
TO 95.

=
$$

CAZ058-221030-
SAN DIEGO COUNTY MOUNTAINS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...MOSTLY CLEAR. LOWS 53 TO 63.
.FRIDAY...MOSTLY SUNNY...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF 
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 82 TO 92. CHANCE 
OF MEASURABLE PRECIPITATION 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 54 TO 64. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 83 TO 93. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
.SATURDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 54 TO 64. CHANCE OF MEASURABLE
PRECIPITATION 20 PERCENT.
.SUNDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 82 TO 92. CHANCE OF MEASURABLE PRECIPITATION 
30 PERCENT.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOONS AND EVENINGS. LOWS 55 TO 65. HIGHS
MOSTLY IN THE 80S. 

=
$$

CAZ060-221030-
APPLE AND YUCCA VALLEYS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...MOSTLY CLEAR. LOWS 65 TO 75.
.FRIDAY...MOSTLY SUNNY...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF 
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 92 TO 100. CHANCE 
OF MEASURABLE PRECIPITATION 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY. LOWS 65 TO 75. 
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS OR THUNDERSTORMS
IN THE AFTERNOON. HIGHS 94 TO 102. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT. 
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS 68 TO 76.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 94 TO 102. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS 
AND THUNDERSTORMS IN THE AFTERNOONS. LOWS IN THE 70S. HIGHS 92 TO 
102. 

=
$$

CAZ061-062-221030-
COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
854 PM PDT THU AUG 21 2003

UPDATED TONIGHT AND FRI

.TONIGHT...MOSTLY CLEAR. LOWS 76 TO 84. 
.FRIDAY...MOSTLY SUNNY...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF 
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 98 TO 106. CHANCE 
OF MEASURABLE PRECIPITATION LESS THAN 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY. LOWS 74 TO 84. 
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 99 TO 107. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT.
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS 74 TO 84.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 98 TO 106. CHANCE OF MEASURABLE PRECIPITATION
20 PERCENT. 
.MONDAY THROUGH THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS 
AND THUNDERSTORMS IN THE AFTERNOONS AND EVENINGS. LOWS 75 TO 85. 
HIGHS 98 TO 108. 

=
$$