186
FPUS56 KSTO 160023
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
523 PM PDT FRI AUG 15 2025
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, SATURDAY, SATURDAY NIGHT, AND SUNDAY.
CAZ013-161100-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
INCLUDING THE CITY OF SHASTA DAM
523 PM PDT FRI AUG 15 2025
TONIGHT...MOSTLY CLEAR. LOWS 52 TO 67 HIGHER ELEVATIONS
61 TO
70 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH SHIFTING
TO THE NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH
A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 88 HIGHER ELEVATIONS...84 TO 92 LOWER
ELEVATIONS. LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 52 TO 67 HIGHER
ELEVATIONS...60 TO 69 LOWER ELEVATIONS. PREVAILING WEST WINDS UP
TO 10 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 84 HIGHER
ELEVATIONS...80 TO 88 LOWER ELEVATIONS. PREVAILING SOUTH WINDS UP
TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. COOLER. LOWS 48 TO 63. PREVAILING SOUTH WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 72 TO 87.
MONDAY NIGHT
CLEAR. LOWS 48 TO 63.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 77 TO 92. LOWS 49 TO
64.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 86 TO 101. LOWS 53 TO
68.
TEMPERATURE / PRECIPITATION
SHASTA DAM 69 90 68 86 / 0 30 30 20
=
CAZ014-161100-
BURNEY BASIN / EASTERN SHASTA COUNTY-
INCLUDING THE CITY OF BURNEY
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 46 TO 60. PREVAILING WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 75 TO 86. LIGHT WINDS BECOMING WEST UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 45 TO 60 HIGHER ELEVATIONS...54 TO
61 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 81. PREVAILING
SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 38 TO 53 HIGHER
ELEVATIONS...47 TO 54 LOWER ELEVATIONS. PREVAILING SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS 72 TO 83.
MONDAY NIGHT
CLEAR. LOWS 40 TO 54.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 76 TO 87. LOWS 40 TO
55.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 82 TO 97. LOWS 45 TO 60.
TEMPERATURE / PRECIPITATION
BURNEY 52 83 54 78 / 0 20 30 20
=
CAZ015-161100-
NORTHERN SACRAMENTO VALLEY-
INCLUDING THE CITIES OF REDDING AND RED BLUFF
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 64 TO 70. NORTHWEST WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 86 TO 92. SOUTH WINDS UP TO 10 MPH. GUSTS UP TO
20 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 64 TO 70. SOUTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 83 TO 89.
SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
CLEAR, COOLER. LOWS 56 TO 62. SOUTH WINDS UP TO
15 MPH.
MONDAY
SUNNY. HIGHS AROUND 87.
MONDAY NIGHT
CLEAR. LOWS 57 TO 63.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 88 TO 94. LOWS 57 TO
67.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 95 TO 105. LOWS 62 TO
72.
TEMPERATURE / PRECIPITATION
REDDING 66 92 67 89 / 0 20 30 20
RED BLUFF 68 90 66 86 / 0 10 20 10
=
CAZ016-161100-
CENTRAL SACRAMENTO VALLEY-
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS AROUND 64. SOUTH WINDS AROUND 10 MPH
SHIFTING TO THE SOUTHEAST UP TO 10 MPH AFTER MIDNIGHT. GUSTS UP
TO 20 MPH.
SATURDAY
SUNNY. HIGHS AROUND 87. SOUTHEAST WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 63. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 84. SOUTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY NIGHT
CLEAR, COOLER. LOWS 53 TO 59. SOUTHEAST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
SUNNY. HIGHS AROUND 85.
MONDAY NIGHT
CLEAR. LOWS 55 TO 61.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS AROUND 89. LOWS 55 TO
65.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS AROUND 98. LOWS 60 TO
70.
TEMPERATURE / PRECIPITATION
CHICO 67 88 67 86 / 0 0 10 10
OROVILLE 65 89 64 86 / 0 0 0 0
MARYSVILLE/YUBA CITY 63 89 63 85 / 0 0 0 0
=
CAZ017-161100-
SOUTHERN SACRAMENTO VALLEY-
INCLUDING THE CITY OF SACRAMENTO
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 59 TO 65. SOUTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY
SUNNY. HIGHS 84 TO 90. SOUTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY NIGHT
CLEAR. LOWS 59 TO 65. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 80 TO 86. SOUTH WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
SUNDAY NIGHT
CLEAR. LOWS 53 TO 59. SOUTH WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS 82 TO 88.
MONDAY NIGHT
CLEAR. LOWS 53 TO 60.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 87 TO 93. LOWS 54 TO
64.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 93 TO 103. LOWS 58 TO
68.
TEMPERATURE / PRECIPITATION
SACRAMENTO 64 88 62 85 / 0 0 0 0
SAC EXEC AIRPORT 63 87 61 82 / 0 0 0 0
=
CAZ018-161100-
CARQUINEZ STRAIT AND DELTA-
INCLUDING THE CITY OF FAIRFIELD/SUISUN
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS AROUND 63. SOUTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
SATURDAY
SUNNY. HIGHS 80 TO 86. SOUTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
SATURDAY NIGHT
CLEAR. LOWS 58 TO 64. SOUTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY SUNNY. NEAR THE BAY, MOSTLY CLOUDY IN THE
MORNING THEN CLEARING. HIGHS 75 TO 81. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS AROUND 56. SOUTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 78 TO 84.
MONDAY NIGHT
CLEAR. LOWS 53 TO 59.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 83 TO 89. LOWS 53 TO
59.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 91 TO 97. LOWS 57 TO 65.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 63 88 61 82 / 0 10 0 0
=
CAZ019-161100-
NORTHERN SAN JOAQUIN VALLEY-
INCLUDING THE CITIES OF STOCKTON AND MODESTO
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 59 TO 65. WEST WINDS UP TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY
SUNNY. HIGHS 81 TO 89. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY NIGHT
CLEAR. LOWS 59 TO 65. WEST WINDS UP TO 15 MPH.
GUSTS UP TO 30 MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS 79 TO 87. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
SUNDAY NIGHT
CLEAR. LOWS 54 TO 60. NORTHWEST WINDS UP TO
15 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 80 TO 88.
MONDAY NIGHT
CLEAR. LOWS 55 TO 61.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 85 TO 93. LOWS 55 TO
64.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 91 TO 101. LOWS 58 TO
68.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 63 TO 73. HIGHS 94 TO
103.
TEMPERATURE / PRECIPITATION
STOCKTON 63 87 61 85 / 0 10 0 0
MODESTO 64 88 64 86 / 0 0 0 0
=
CAZ063-161100-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-
INCLUDING THE CITY OF ALDER SPRINGS
523 PM PDT FRI AUG 15 2025
TONIGHT...CLEAR, COOLER. LOWS 53 TO 67 HIGHER ELEVATIONS
64 TO
72 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SATURDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 82 HIGHER
ELEVATIONS...84 TO 90 LOWER ELEVATIONS. PREVAILING NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
GUSTS UP TO 25 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT. LOWS 53 TO 65 HIGHER ELEVATIONS...63 TO
69 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 63 TO
78 HIGHER ELEVATIONS...80 TO 86 LOWER ELEVATIONS. LIGHT WINDS
BECOMING SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. COOLER. LOWS 49 TO 61 HIGHER
ELEVATIONS...57 TO 64 LOWER ELEVATIONS. PREVAILING SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS 69 TO 84.
MONDAY NIGHT
CLEAR. LOWS 52 TO 66.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 77 TO 92. LOWS 54 TO
69.
WEDNESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 62 TO 77. HIGHS
81 TO 96.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 60 74 57 70 / 0 20 30 20
=
CAZ066-161100-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
INCLUDING THE CITY OF PARADISE
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 61 TO 69. PREVAILING WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
SUNNY. HIGHS 77 TO 91. PREVAILING SOUTHWEST WINDS UP
TO 10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 60 TO 68. PREVAILING SOUTH WINDS UP TO
10 MPH.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS 74 TO 88. PREVAILING SOUTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
CLEAR. LOWS 55 TO 63. PREVAILING SOUTH WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 75 TO 87.
MONDAY NIGHT
CLEAR. LOWS 56 TO 65.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 80 TO 92. LOWS 56 TO
69.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 87 TO 102. LOWS 60 TO
75.
TEMPERATURE / PRECIPITATION
PARADISE 67 82 64 78 / 0 0 10 10
=
CAZ067-161100-
MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 57 TO 65. PREVAILING SOUTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY
SUNNY. HIGHS 78 TO 88. PREVAILING SOUTH WINDS UP TO
10 MPH.
SATURDAY NIGHT
CLEAR. LOWS 55 TO 63. PREVAILING SOUTHWEST
WINDS UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 85. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
SUNDAY NIGHT
CLEAR. LOWS 52 TO 62. PREVAILING SOUTHWEST WINDS
UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
MONDAY
SUNNY. HIGHS 77 TO 87.
MONDAY NIGHT
CLEAR. LOWS 54 TO 64.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 81 TO 91. LOWS 54 TO
67.
WEDNESDAY THROUGH THURSDAY
CLEAR. HIGHS 87 TO 101. LOWS 57 TO
72.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 75.
FRIDAY
SUNNY. HIGHS 92 TO 102.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 60 81 58 78 / 0 0 0 0
JACKSON 59 84 58 81 / 0 0 0 0
=
CAZ068-161100-
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
523 PM PDT FRI AUG 15 2025
TONIGHT
CLEAR. LOWS 49 TO 64. PREVAILING SOUTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
SATURDAY...SUNNY. HIGHS 65 TO 80 HIGHER ELEVATIONS
70 TO
85 LOWER ELEVATIONS. PREVAILING SOUTH WINDS UP TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 47 TO 62. PREVAILING SOUTH WINDS UP
TO 10 MPH.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 60 TO 75 HIGHER ELEVATIONS...67 TO 82 LOWER
ELEVATIONS. LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
CLEAR, COLDER. LOWS 43 TO 58. PREVAILING
SOUTHWEST WINDS UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
MONDAY
SUNNY. HIGHS 66 TO 81.
MONDAY NIGHT
CLEAR. LOWS 44 TO 59.
TUESDAY AND TUESDAY NIGHT
CLEAR. HIGHS 70 TO 85. LOWS 46 TO
61.
WEDNESDAY THROUGH FRIDAY
CLEAR. HIGHS 78 TO 93. LOWS 51 TO 66.
TEMPERATURE / PRECIPITATION
QUINCY 48 87 48 83 / 0 0 0 10
CHESTER 48 84 48 78 / 0 10 10 20
=
CAZ069-161100-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
523 PM PDT FRI AUG 15 2025
TONIGHT...CLEAR. LOWS 44 TO 59 HIGHER ELEVATIONS
54 TO
68 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH IN THE
EVENING BECOMING LIGHT.
SATURDAY...SUNNY. HIGHS 63 TO 78 HIGHER ELEVATIONS
75 TO
85 LOWER ELEVATIONS. PREVAILING SOUTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY NIGHT
CLEAR, COLDER. LOWS 41 TO 56 HIGHER
ELEVATIONS...52 TO 64 LOWER ELEVATIONS. PREVAILING SOUTHWEST
WINDS UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY...SUNNY. HIGHS 61 TO 76 HIGHER ELEVATIONS
72 TO
82 LOWER ELEVATIONS. LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH
IN THE AFTERNOON.
SUNDAY NIGHT...CLEAR. LOWS 41 TO 56 HIGHER ELEVATIONS
50 TO
64 LOWER ELEVATIONS. PREVAILING SOUTHWEST WINDS UP TO 10 MPH IN
THE EVENING BECOMING LIGHT.
MONDAY
SUNNY. HIGHS 66 TO 81.
MONDAY NIGHT
CLEAR. LOWS 45 TO 60.
TUESDAY THROUGH WEDNESDAY
CLEAR. HIGHS 73 TO 88. LOWS 47 TO
62.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 53 TO 68. HIGHS 77 TO
92.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 70.
FRIDAY
SUNNY. HIGHS 78 TO 93.
TEMPERATURE / PRECIPITATION
BLUE CANYON 61 74 58 71 / 0 0 0 0
=
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