596
FPUS56 KSTO 010022
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
522 PM PDT Sun Aug 31 2025

Spot temperatures and probabilities of measurable precipitation
are for tonight, Labor Day, Monday night, and Tuesday.


CAZ013-011100-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 53 to
68 higher elevations...61 to 72 lower elevations. Prevailing
southwest winds up to 10 mph shifting to the north after
midnight.
.LABOR DAY...Patchy smoke in the morning. Sunny. Highs 81 to
96 higher elevations...93 to 102 lower elevations. Prevailing
northeast winds up to 10 mph shifting to the south in the
afternoon.
.MONDAY NIGHT...Clear. Patchy smoke after midnight. Lows 57 to
72 higher elevations...64 to 76 lower elevations. Prevailing
southwest winds up to 10 mph shifting to the north after
midnight.
.TUESDAY...Sunny. Highs 85 to 100 higher elevations...94 to
103 lower elevations. Prevailing north winds up to 10 mph
shifting to the southeast in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 55 to 70 higher elevations...63 to 73 lower
elevations. Prevailing south winds up to 10 mph in the evening
becoming light.
.WEDNESDAY...Mostly sunny. Highs 83 to 98.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 71.
.THURSDAY...Mostly sunny. Highs 83 to 98.
.THURSDAY NIGHT...Partly cloudy. Lows 55 to 70.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 77 to 92. Lows 53 to
68.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             70  100   73  101  /   0    0    0    0


$$
=

CAZ014-011100-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Patchy smoke late in the night. Lows
47 to 59. Prevailing southwest winds up to 10 mph in the evening
becoming light. Gusts up to 25 mph.
.LABOR DAY...Sunny. Highs 81 to 94. Light winds becoming
southwest up to 10 mph in the afternoon. Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 50 to 62. Prevailing southwest winds
up to 10 mph with gusts to around 25 mph in the evening becoming
light.
.TUESDAY...Mostly sunny. Highs 81 to 92 higher elevations...90 to
96 lower elevations. Light winds.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A slight chance of rain showers. Lows 48 to 61.
Prevailing southwest winds up to 10 mph in the evening becoming
light.
.WEDNESDAY...Mostly sunny. Highs 80 to 92.
.WEDNESDAY NIGHT...Mostly clear. Lows 48 to 61.
.THURSDAY...Mostly sunny. Highs 82 to 93.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 46 to
61. Highs 79 to 93.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 87. Lows
42 to 57.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 49   91   53   93  /   0    0    0    0


$$
=

CAZ015-011100-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Lows 62 to 72. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.LABOR DAY...Sunny. Highs around 100. Light winds becoming south
up to 10 mph with gusts to around 20 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows 66 to 76. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.TUESDAY...Mostly sunny. Highs 96 to 102. North winds up to
10 mph shifting to the south in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 66 to 72. Southeast winds
around 10 mph with gusts to around 20 mph in the evening becoming
light.
.WEDNESDAY...Mostly sunny. Highs 94 to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows 64 to 72.
.THURSDAY...Mostly sunny. Highs 94 to 100.
.THURSDAY NIGHT...Partly cloudy. Lows 63 to 71.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 88 to 98.
Lows 60 to 70.
.SUNDAY...Mostly sunny. Highs around 88.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                62  102   67  101  /   0    0    0    0
RED BLUFF              64  101   69   99  /   0    0    0    0


$$
=

CAZ016-011100-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 PM PDT Sun Aug 31 2025

.TONIGHT...Clear. Lows 60 to 70. South winds up to 10 mph with
gusts to around 20 mph in the evening becoming light.
.LABOR DAY...Sunny. Highs around 99. Light winds becoming
southwest up to 10 mph with gusts to around 20 mph in the
afternoon.
.MONDAY NIGHT...Clear. Lows 64 to 73. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.TUESDAY...Mostly sunny. Highs around 96. Light winds becoming
southeast around 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 69. Southeast winds up
to 10 mph. Gusts up to 20 mph in the evening.
.WEDNESDAY...Mostly sunny. Highs around 94.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 69.
.THURSDAY...Mostly sunny. Highs around 94.
.THURSDAY NIGHT...Partly cloudy. Lows 59 to 67.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 89. Lows
57 to 67.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  69  100   72   97  /   0    0    0    0
OROVILLE               67  101   70   96  /   0    0    0    0
MARYSVILLE/YUBA CITY   64  102   67   97  /   0    0    0    0


$$
=

CAZ017-011100-
Southern Sacramento Valley-
Including the city of Sacramento
522 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TONIGHT...Clear. Lows 61 to 71. South winds up to 10 mph. Gusts
up to 20 mph in the evening.
.LABOR DAY...Sunny. Highs 98 to 104. Southwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 62 to 72. Southwest winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 93 to 99. South winds up to
10 mph.
.TUESDAY NIGHT...Clear. Lows 60 to 68. Southwest winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly sunny. Highs 91 to 97.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 67.
.THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 88 to 98.
Lows 57 to 67.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 84 to 91. Lows
56 to 63.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             66  103   67   96  /   0    0    0    0
SAC EXEC AIRPORT       64  102   64   95  /   0    0    0    0


$$
=

CAZ018-011100-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 PM PDT Sun Aug 31 2025

.TONIGHT...Clear. Lows 61 to 67. West winds 10 to 15 mph with
gusts to around 25 mph.
.LABOR DAY...Sunny. Highs 93 to 99. West winds around 10 mph with
gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows 60 to 66. West winds 10 to 15 mph.
.TUESDAY...Mostly sunny. Highs 87 to 93...except 81 to 87 near
the bay. Southwest winds 10 to 15 mph with gusts to around
25 mph.
.TUESDAY NIGHT...Mostly clear. Lows 58 to 64. Southwest winds
10 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs 85 to 91.
.WEDNESDAY NIGHT...Mostly clear. Lows around 59.
.THURSDAY THROUGH SUNDAY...Mostly clear. Highs 82 to 88. Lows
around 59.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       63  102   62   93  /   0    0    0    0


$$
=

CAZ019-011100-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TONIGHT...Clear. Lows 64 to 74. Northwest winds up to 10 mph.
Gusts up to 25 mph in the evening.
.LABOR DAY...Sunny. Highs 96 to 103. Northwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 64 to 74. Northwest winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 92 to 100. West winds up to
10 mph.
.TUESDAY NIGHT...Clear. Lows 60 to 68. Northwest winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs 90 to 96.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 69.
.THURSDAY THROUGH SUNDAY...Mostly clear. Highs 86 to 96. Lows
58 to 68.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               66  103   65   98  /   0    0    0   10
MODESTO                69  102   70  100  /   0    0    0   10


$$
=

CAZ063-011100-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Lows 57 to 71 higher elevations...66 to
74 lower elevations. Prevailing west winds up to 10 mph.
.LABOR DAY...Sunny. Highs 77 to 92 higher elevations...94 to
100 lower elevations. Prevailing west winds up to 10 mph shifting
to the southeast in the afternoon.
.MONDAY NIGHT...Clear. Lows 62 to 76 higher elevations...71 to
79 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the west after midnight.
.TUESDAY...Mostly sunny. Highs 78 to 93 higher elevations...94 to
99 lower elevations. Prevailing northwest winds up to 10 mph
shifting to the southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Cooler. Lows 59 to 71 higher
elevations...68 to 76 lower elevations. Prevailing south winds up
to 10 mph shifting to the northwest after midnight.
.WEDNESDAY...Mostly sunny. Highs 79 to 94.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 75.
.THURSDAY...Mostly sunny. Highs 78 to 93.
.THURSDAY NIGHT...Partly cloudy. Lows 59 to 73.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 88. Lows 56 to
71.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          65   85   68   84  /   0    0    0   10


$$
=

CAZ066-011100-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Lows 64 to 76. Prevailing southeast
winds up to 10 mph.
.LABOR DAY...Sunny. Highs 89 to 101. Prevailing east winds up to
10 mph shifting to the southwest in the afternoon.
.MONDAY NIGHT...Clear. Lows 67 to 79. Prevailing south winds up
to 10 mph shifting to the east after midnight.
.TUESDAY...Sunny in the morning then becoming partly cloudy.
Highs 86 to 100. Prevailing east winds up to 10 mph shifting to
the southwest in the afternoon.
.TUESDAY NIGHT...Mostly clear. A slight chance of rain showers in
the evening. Lows 64 to 74. Prevailing south winds up to 10 mph
shifting to the east after midnight.
.WEDNESDAY...Mostly sunny. Highs 85 to 97.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 75.
.THURSDAY...Mostly sunny. Highs 85 to 97.
.THURSDAY NIGHT...Partly cloudy. Lows 63 to 73.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 79 to 94. Lows 58 to
73.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               74   94   75   90  /   0    0    0    0


$$
=

CAZ067-011100-
Motherlode-
Including the cities of Grass Valley and Jackson
522 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TONIGHT...Clear. Lows 66 to 76. Prevailing west winds up to
10 mph in the evening becoming light.
.LABOR DAY...Sunny. Patchy smoke in the afternoon. Highs 92 to
102. Light winds becoming southwest up to 10 mph in the
afternoon.
.MONDAY NIGHT...Clear. Lows 67 to 75. Light winds.
.TUESDAY...Mostly sunny. Highs 88 to 98. Light winds becoming
southwest up to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 73. Light winds.
.WEDNESDAY...Sunny. Highs 86 to 96.
.WEDNESDAY NIGHT...Mostly clear. Lows 63 to 73.
.THURSDAY THROUGH SUNDAY...Mostly clear. Highs 80 to 95. Lows
58 to 73.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           67   94   68   91  /   0    0    0    0
JACKSON                70   99   70   94  /   0    0    0   10


$$
=

CAZ068-011100-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 PM PDT Sun Aug 31 2025

.TONIGHT...Mostly clear. Lows 54 to 69. Prevailing south winds up
to 10 mph shifting to the southeast after midnight.
.LABOR DAY...Sunny. Highs 72 to 87 higher elevations...80 to
94 lower elevations. Prevailing southeast winds up to 10 mph
shifting to the southwest in the afternoon. Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 56 to 71. Prevailing southwest winds
up to 10 mph shifting to the east after midnight.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 73 to 88 higher elevations...79 to 94 lower
elevations. Prevailing east winds up to 10 mph shifting to the
south in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Cooler. Lows 52 to 67. Prevailing southwest winds up to
10 mph shifting to the northeast after midnight.
.WEDNESDAY...Mostly sunny. Highs 74 to 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 69.
.THURSDAY...Mostly sunny. Highs 75 to 90.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 51 to
66. Highs 74 to 89.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 68 to 83. Lows
49 to 64.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 49   95   52   93  /   0    0    0   10
CHESTER                49   89   52   90  /   0    0    0   10


$$
=

CAZ069-011100-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 PM PDT Sun Aug 31 2025

.TONIGHT...Clear. Patchy smoke late in the night. Lows 49 to
64 higher elevations...60 to 75 lower elevations. Prevailing west
winds up to 10 mph shifting to the east after midnight.
.LABOR DAY...Sunny. Patchy smoke in the afternoon. Highs 72 to
87 higher elevations...87 to 97 lower elevations. Prevailing
southeast winds up to 10 mph shifting to the southwest in the
afternoon.
.MONDAY NIGHT...Mostly clear. Patchy smoke. Lows 51 to 66 higher
elevations...61 to 76 lower elevations. Prevailing west winds up
to 10 mph shifting to the east after midnight.
.TUESDAY...Partly cloudy. A slight chance of rain showers in the
morning, then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. Highs 69 to 84 higher
elevations...84 to 94 lower elevations. Prevailing east winds up
to 10 mph shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Cooler. Lows 48 to 63 higher elevations...58 to 73 lower
elevations. Prevailing southwest winds up to 10 mph shifting to
the east after midnight.
.WEDNESDAY...Mostly sunny. Highs 73 to 88.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 67.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 73 to 88. Lows
52 to 67.
.FRIDAY NIGHT...Partly cloudy. Cooler. Lows 49 to 64.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 67 to 82. Lows
48 to 63.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            66   85   68   83  /   0    0    0   10


$$
=