435
FPUS56 KSTO 040022
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
522 PM PDT Wed Sep 3 2025

Spot temperatures and probabilities of measurable precipitation
are for tonight, Thursday, Thursday night, and Friday.


CAZ013-041100-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 PM PDT Wed Sep 3 2025

.TONIGHT...Areas of smoke in the evening. Clear. Lows 58 to 73.
Light winds.
.THURSDAY...Sunny. Highs 82 to 97 higher elevations...91 to
101 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 54 to 69. Prevailing
south winds up to 10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 76 to 91 higher elevations...85 to
95 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.FRIDAY NIGHT...Mostly clear. Cooler. Lows 49 to 64 higher
elevations...57 to 67 lower elevations. Prevailing south winds up
to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 73 to 88.
.SATURDAY NIGHT...Mostly clear. Lows 49 to 64.
.SUNDAY...Mostly sunny. Highs 71 to 86.
.SUNDAY NIGHT...Partly cloudy. Lows 48 to 63.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 67 to 82.
.MONDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 47 to 62.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 63 to 78.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 45 to 60.
.WEDNESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 62 to 77.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             72   98   67   92  /   0    0    0    0


$$
=

CAZ014-041100-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 PM PDT Wed Sep 3 2025

.TONIGHT...Areas of smoke until early morning. Mostly clear. Lows
48 to 62. Light winds.
.THURSDAY...Sunny. Highs 81 to 94. Light winds becoming west up
to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 47 to 61. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.FRIDAY...Mostly sunny. Highs 78 to 90. Light winds becoming west
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Colder. Lows 42 to 56. Prevailing
west winds up to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 72 to 84.
.SATURDAY NIGHT...Mostly clear. Lows 40 to 54.
.SUNDAY...Mostly sunny. Highs 70 to 82.
.SUNDAY NIGHT...Partly cloudy. Lows 40 to 53.
.MONDAY AND MONDAY NIGHT...Partly cloudy with a slight chance of
rain showers. Highs 66 to 78. Lows 39 to 53.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 62 to 74.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 37 to 51.
.WEDNESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 59 to 71.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 52   90   52   86  /  10    0    0    0


$$
=

CAZ015-041100-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 PM PDT Wed Sep 3 2025

.TONIGHT...Areas of smoke early in the evening. Clear. Lows 65 to
73. South winds up to 10 mph with gusts to around 20 mph in the
evening becoming light.
.THURSDAY...Sunny. Highs 94 to 100. South winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 60 to 68. South winds up to
10 mph. Gusts up to 20 mph in the evening.
.FRIDAY...Sunny. Highs 87 to 93. South winds up to 10 mph. Gusts
up to 20 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 58 to 64. Southeast winds up
to 10 mph. Gusts up to 20 mph in the evening.
.SATURDAY...Mostly sunny. Highs around 87.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 64.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs around 86. Lows
58 to 64.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs around 83.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 57 to 63.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs around 79.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 55 to 61.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs around 79.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                67   99   62   92  /   0    0    0    0
RED BLUFF              68   98   63   91  /   0    0    0    0


$$
=

CAZ016-041100-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Lows 61 to 69. Southeast winds up to 10 mph.
.THURSDAY...Sunny. Highs around 94. Southeast winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 63. South winds up to
10 mph with gusts to around 20 mph.
.FRIDAY...Mostly sunny. Highs around 88. Southeast winds up to
10 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 62. Southeast winds up to
10 mph.
.SATURDAY...Mostly sunny. Highs around 86.
.SATURDAY NIGHT...Clear. Lows 56 to 62.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs around 84.
Lows 56 to 63.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs around 80.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows around 58.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs around 79.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  69   96   63   90  /   0    0    0    0
OROVILLE               66   95   60   89  /   0    0    0    0
MARYSVILLE/YUBA CITY   63   95   59   89  /   0    0    0    0


$$
=

CAZ017-041100-
Southern Sacramento Valley-
Including the city of Sacramento
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Lows 57 to 66. South winds up to 10 mph.
.THURSDAY...Sunny. Highs 88 to 96. South winds up to 10 mph with
gusts to around 20 mph.
.THURSDAY NIGHT...Clear. Lows 56 to 62. South winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY...Mostly sunny. Highs 83 to 91. South winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 62. South winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Mostly sunny. Highs 83 to 89.
.SATURDAY NIGHT...Clear. Lows 57 to 63.
.SUNDAY...Sunny. Highs 84 to 90.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 57 to 63.
Highs 82 to 90.
.TUESDAY...Partly cloudy. Highs 79 to 85.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 56 to 62. Highs
78 to 85.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             62   92   60   89  /   0    0    0    0
SAC EXEC AIRPORT       60   91   60   86  /   0    0    0    0


$$
=

CAZ018-041100-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Near the bay, clear in the evening then
becoming mostly cloudy. Lows around 59. West winds 10 to 15 mph
with gusts to around 25 mph.
.THURSDAY...Sunny. Near the bay, mostly cloudy in the morning
then clearing. Highs 82 to 88. West winds 10 to 15 mph with gusts
to around 25 mph.
.THURSDAY NIGHT...Clear. Near the bay, mostly clear in the
evening then becoming mostly cloudy. Mostly clear. Lows around
59. Southwest winds 10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly sunny. Near the bay, mostly cloudy in the
morning then clearing. Highs 78 to 84. Southwest winds 10 to
15 mph with gusts to around 30 mph.
.FRIDAY NIGHT...Clear. Lows around 59. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Mostly sunny. Highs 79 to 85.
.SATURDAY NIGHT...Clear. Lows around 60.
.SUNDAY AND SUNDAY NIGHT...Clear. Highs 81 to 87. Lows around 60.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 78 to 84. Lows
around 61.
.TUESDAY...Partly cloudy. Highs 76 to 82.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 60.
Highs 76 to 82.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       58   88   59   84  /   0    0    0    0


$$
=

CAZ019-041100-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Lows 58 to 68. Northwest winds up to 10 mph.
.THURSDAY...Sunny. Highs 89 to 95. Northwest winds up to 10 mph
with gusts to around 20 mph.
.THURSDAY NIGHT...Clear. Lows 57 to 65. Northwest winds up to
10 mph with gusts to around 20 mph.
.FRIDAY...Sunny. Highs 84 to 90. Northwest winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 64. Northwest winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 83 to 89.
.SATURDAY NIGHT...Clear. Lows 58 to 64.
.SUNDAY AND SUNDAY NIGHT...Clear. Highs 82 to 90. Lows 57 to 64.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 77 to 87. Lows
56 to 63.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               61   95   59   90  /   0    0    0    0
MODESTO                65   94   63   89  /   0    0    0    0


$$
=

CAZ063-041100-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Lows 60 to 72 higher elevations...68 to
76 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.THURSDAY...Sunny. Highs 75 to 90 higher elevations...92 to
97 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the southeast in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 55 to 67 higher
elevations...61 to 71 lower elevations. Prevailing south winds up
to 10 mph shifting to the west after midnight.
.FRIDAY...Sunny. Highs 70 to 85 higher elevations...85 to
91 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 52 to 64 higher elevations...
60 to 68 lower elevations. Prevailing south winds up to 10 mph in
the evening becoming light.
.SATURDAY...Mostly sunny. Highs 70 to 85.
.SATURDAY NIGHT...Mostly clear. Lows 52 to 67.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 68 to 83. Lows
52 to 67.
.MONDAY AND MONDAY NIGHT...Partly cloudy with a slight chance of
rain showers. Highs 66 to 81. Lows 51 to 66.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 62 to 77.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 63.
.WEDNESDAY...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 61 to 76.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          66   82   60   77  /   0    0   10   10


$$
=

CAZ066-041100-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 PM PDT Wed Sep 3 2025

.TONIGHT...Areas of smoke early in the evening. Clear. Lows 65 to
75. Light winds.
.THURSDAY...Sunny. Highs 84 to 98. Light winds becoming southwest
up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 61 to 69. Prevailing south
winds up to 10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 79 to 91. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 57 to 67. Prevailing south winds up
to 10 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 76 to 88.
.SATURDAY NIGHT...Clear. Lows 57 to 66.
.SUNDAY...Sunny. Highs 75 to 87.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 55 to 66. Highs
72 to 87.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 54 to 66.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 68 to 80.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 52 to 63.
.WEDNESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 66 to 78.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               72   89   66   83  /   0    0    0    0


$$
=

CAZ067-041100-
Motherlode-
Including the cities of Grass Valley and Jackson
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Areas of smoke early in the evening. Areas of
smoke late in the night. Lows 63 to 73. Light winds.
.THURSDAY...Sunny. Areas of smoke. Highs 86 to 94. Light winds
becoming west up to 10 mph in the afternoon.
.THURSDAY NIGHT...Clear. Areas of smoke. Cooler. Lows 58 to 68.
Prevailing west winds up to 10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 82 to 90. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 56 to 66. Prevailing southwest winds
up to 10 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 78 to 88.
.SATURDAY NIGHT...Clear. Lows 56 to 64.
.SUNDAY...Sunny. Highs 77 to 87.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 52 to
63. Highs 72 to 87.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 69 to 81.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           65   88   60   83  /   0    0    0    0
JACKSON                66   90   60   86  /   0    0    0    0


$$
=

CAZ068-041100-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 PM PDT Wed Sep 3 2025

.TONIGHT...Areas of smoke until early morning. Clear. Lows 54 to
69. Light winds.
.THURSDAY...Sunny. Highs 70 to 85 higher elevations...76 to
91 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 51 to 66. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 67 to 82 higher elevations...73 to
88 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Mostly clear. Cooler. Lows 47 to 62. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 65 to 80.
.SATURDAY NIGHT...Mostly clear. Lows 45 to 60.
.SUNDAY...Sunny. Highs 63 to 78.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 44 to 59. Highs
62 to 77.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 43 to 58.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 56 to 71.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 41 to 56.
.WEDNESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 54 to 69.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 50   92   50   89  /  10   10    0   10
CHESTER                50   88   49   85  /  10   10    0   10


$$
=

CAZ069-041100-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 PM PDT Wed Sep 3 2025

.TONIGHT...Clear. Areas of smoke. Lows 48 to 63 higher
elevations...59 to 73 lower elevations. Light winds becoming east
up to 10 mph after midnight.
.THURSDAY...Sunny. Areas of smoke. Highs 68 to 83 higher
elevations...82 to 92 lower elevations. Light winds becoming
southwest up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Areas of smoke. Lows 47 to
62 higher elevations...56 to 70 lower elevations. Prevailing west
winds up to 10 mph shifting to the east after midnight.
.FRIDAY...Areas of smoke in the morning. Sunny. Highs 66 to
81 higher elevations...77 to 89 lower elevations. Prevailing east
winds up to 10 mph shifting to the southwest in the afternoon.
.FRIDAY NIGHT...Clear, cooler. Lows 43 to 58 higher elevations...
53 to 67 lower elevations. Prevailing southwest winds up to
10 mph in the evening becoming light.
.SATURDAY...Mostly sunny. Highs 65 to 80.
.SATURDAY NIGHT...Mostly clear. Colder. Lows 44 to 59.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 62 to 77. Lows
43 to 58.
.TUESDAY...Mostly sunny. Highs 56 to 71.
.TUESDAY NIGHT...Partly cloudy. Lows 39 to 54.
.WEDNESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 54 to 69.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            66   81   63   77  /  10    0    0    0


$$
=