370
FPUS56 KSTO 060023
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
522 PM PDT Fri Sep 5 2025

Spot temperatures and probabilities of measurable precipitation
are for tonight, Saturday, Saturday night, and Sunday.


CAZ013-061100-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 PM PDT Fri Sep 5 2025

.TONIGHT...Partly cloudy. Cooler. Lows 48 to 63 higher
elevations...56 to 66 lower elevations. Light winds.
.SATURDAY...Sunny. Highs 71 to 86 higher elevations...82 to
90 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.SATURDAY NIGHT...Mostly clear. At higher elevations, a slight
chance of showers and thunderstorms in the evening. Lows 47 to
62 higher elevations...55 to 65 lower elevations. Prevailing
south winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 67 to 82 higher elevations...78 to
86 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.SUNDAY NIGHT...Mostly cloudy. Lows 46 to 61 higher elevations...
54 to 64 lower elevations. Prevailing south winds up to 10 mph in
the evening becoming light.
.MONDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 64 to 79.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
46 to 61.
.TUESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 64 to 79.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 45 to 60.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a chance of
rain showers. Highs 68 to 83. Lows 46 to 61.
.THURSDAY...Partly cloudy with a chance of rain showers. Warmer.
Highs 71 to 86.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 63.
.FRIDAY...Mostly sunny. Warmer. Highs 74 to 89.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             64   87   63   84  /   0   10   10    0


$$
=

CAZ014-061100-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly cloudy. Lows 43 to 56. Prevailing west winds up
to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 73 to 84. Light winds becoming west up
to 10 mph with gusts to around 25 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 40 to 53. Prevailing
southwest winds up to 10 mph with gusts to around 25 mph in the
evening becoming light.
.SUNDAY...Mostly sunny. Highs 69 to 80. Light winds becoming west
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 39 to 52. Prevailing southwest winds up to 10 mph
with gusts to around 25 mph in the evening becoming light.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 64 to 76.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
38 to 52.
.TUESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 61 to 73.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 37 to 50.
.WEDNESDAY...Partly cloudy with a chance of rain showers. Highs
63 to 76.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 37 to 51.
.THURSDAY...Partly cloudy with a chance of rain showers. Highs
66 to 79.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. A slight chance of
rain showers. Lows 39 to 52. Highs 67 to 82.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 47   81   45   78  /   0    0    0    0


$$
=

CAZ015-061100-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Lows 57 to 63. Southeast winds up to
10 mph. Gusts up to 20 mph in the evening.
.SATURDAY...Sunny. Highs around 87. Southeast winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 64. South winds up to
10 mph with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs around 85. Light winds becoming
south around 10 mph with gusts to around 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
58 to 63. Southeast winds up to 10 mph. Gusts up to 20 mph in the
evening.
.MONDAY...Partly cloudy with a chance of rain showers. Highs
around 81.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
56 to 62.
.TUESDAY...Mostly cloudy with a chance of rain showers. Highs
around 80.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 56 to 62.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with a chance of rain
showers. Highs around 85. Lows 56 to 62.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 59 to 65.
.FRIDAY...Sunny. Highs 86 to 92.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                60   88   60   86  /   0    0    0    0
RED BLUFF              60   87   60   85  /   0    0    0    0


$$
=

CAZ016-061100-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 PM PDT Fri Sep 5 2025

.TONIGHT...Clear. Lows around 58. Southeast winds up to 10 mph.
.SATURDAY...Mostly sunny. Highs around 86. Southeast winds up to
10 mph with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 56 to 62. South winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs around 84. Southeast winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 56 to 62. South winds up to
10 mph with gusts to around 20 mph.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs around 81.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 56 to 62.
.TUESDAY...Mostly cloudy with a chance of rain showers. Highs
around 80.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 56 to 62.
.WEDNESDAY...Partly cloudy with a chance of rain showers. Highs
around 82.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 55 to 61.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs around 84.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 57 to 63. Highs around
86.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  61   86   62   85  /   0    0    0    0
OROVILLE               59   86   60   85  /   0    0    0    0
MARYSVILLE/YUBA CITY   59   87   59   86  /   0    0    0    0


$$
=

CAZ017-061100-
Southern Sacramento Valley-
Including the city of Sacramento
522 PM PDT Fri Sep 5 2025

.TONIGHT...Clear. Lows 55 to 61. South winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY...Mostly sunny. Highs 83 to 89. South winds up to
10 mph with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 56 to 62. South winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs 83 to 89. South winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 63. Southwest winds up
to 10 mph with gusts to around 20 mph.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 79 to 85.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 57 to 63.
.TUESDAY...Mostly cloudy with a chance of rain showers. Highs
79 to 85.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 56 to 62.
.WEDNESDAY...Partly cloudy with a chance of rain showers. Highs
80 to 86.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. A slight chance of
rain showers. Lows 56 to 63. Highs 80 to 88.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 56 to 64. Highs 82 to
91.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             60   86   61   86  /   0    0    0    0
SAC EXEC AIRPORT       59   84   60   86  /   0    0    0    0


$$
=

CAZ018-061100-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Lows around 59. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...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 25 mph.
.SATURDAY NIGHT...Clear. Lows around 61. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Mostly sunny. Highs 80 to 86. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 62. West winds 10 to
15 mph with gusts to around 25 mph.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 76 to 82.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows around 61.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 77 to 83.
.TUESDAY NIGHT...Mostly clear. Lows around 59.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 78 to 84.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 58.
Highs 79 to 85.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows around 59. Highs 80 to
86.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       59   84   60   87  /   0    0    0    0


$$
=

CAZ019-061100-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Lows 56 to 62. Northwest winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 83 to 89. Northwest winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 58 to 64. Northwest winds up to
10 mph with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs 82 to 90. Northwest winds up to
10 mph.
.SUNDAY NIGHT...Clear. Lows 58 to 64. Northwest winds up to
10 mph with gusts to around 20 mph.
.MONDAY...Mostly sunny. Highs 79 to 85.
.MONDAY NIGHT...Mostly clear. Lows 57 to 63.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 76 to 84.
.TUESDAY NIGHT...Mostly clear. Lows 55 to 61.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 77 to 85.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 61.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 79 to 87.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 56 to 62. Highs 80 to
90.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               58   88   61   88  /   0    0    0    0
MODESTO                61   88   63   88  /   0    0    0    0


$$
=

CAZ063-061100-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Lows 52 to 62 higher elevations...59 to
67 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.SATURDAY...Sunny. Highs 65 to 80 higher elevations...81 to
87 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 49 to 61 higher elevations...
58 to 66 lower elevations. Prevailing southwest winds up to
10 mph shifting to the west after midnight.
.SUNDAY...Mostly sunny. Highs 63 to 78 higher elevations...79 to
85 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
48 to 60 higher elevations...57 to 65 lower elevations.
Prevailing south winds up to 10 mph shifting to the west after
midnight.
.MONDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 62 to 77.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
48 to 63.
.TUESDAY...Mostly cloudy with a chance of rain showers. Highs
63 to 78.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a chance of
rain showers. Lows 49 to 64. Highs 64 to 79.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. A chance of rain
showers. Lows 51 to 66. Highs 66 to 81.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 53 to 68.
.FRIDAY...Sunny, warmer. Highs 71 to 86.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          58   73   55   71  /   0    0    0    0


$$
=

CAZ066-061100-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Lows 56 to 66. Prevailing south winds up
to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 76 to 88. Light winds becoming southwest
up to 10 mph with gusts to around 25 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 55 to 67. Prevailing
southeast winds up to 10 mph.
.SUNDAY...Mostly sunny. Highs 73 to 85. Light winds becoming
southwest up to 10 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 55 to 66. Prevailing south
winds up to 10 mph shifting to the east after midnight.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 69 to 81.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
53 to 64.
.TUESDAY...Mostly cloudy with a chance of rain showers. Highs
68 to 80.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a chance of
rain showers. Lows 53 to 65. Highs 68 to 82.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 53 to 65.
.THURSDAY...Partly cloudy with a chance of rain showers. Highs
73 to 85.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 56 to 67.
.FRIDAY...Sunny. Highs 77 to 89.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               63   80   63   78  /   0    0    0    0


$$
=

CAZ067-061100-
Motherlode-
Including the cities of Grass Valley and Jackson
522 PM PDT Fri Sep 5 2025

.TONIGHT...Clear. Haze late in the night. Lows 56 to 66. Light
winds.
.SATURDAY...Sunny. Highs 79 to 87. Light winds becoming southwest
up to 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 55 to 63. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.SUNDAY...Sunny. Highs 77 to 87. Light winds becoming southwest
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 55 to 63. Prevailing southwest
winds up to 10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 73 to 83.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 52 to 62.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 70 to 80.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 52 to 60.
.WEDNESDAY...Partly cloudy with a chance of rain showers. Highs
71 to 81.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. A slight chance of
rain showers. Lows 53 to 61. Highs 71 to 84.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 55 to 63. Highs 74 to
87.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           58   81   57   79  /   0    0    0    0
JACKSON                59   83   58   83  /   0    0    0    0


$$
=

CAZ068-061100-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 PM PDT Fri Sep 5 2025

.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Cooler. Lows 47 to 62. Light winds.
.SATURDAY...Sunny. Highs 62 to 77 higher elevations...68 to
83 lower elevations. Prevailing south winds up to 15 mph.
.SATURDAY NIGHT...Mostly clear. Lows 45 to 60. Prevailing south
winds up to 10 mph.
.SUNDAY...Mostly sunny. Highs 59 to 74 higher elevations...65 to
80 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 43 to 58. Prevailing
southwest winds up to 10 mph shifting to the southeast after
midnight.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 58 to 73.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
41 to 56.
.TUESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 56 to 71.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 41 to 56.
.WEDNESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 58 to 73.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 41 to 56.
.THURSDAY...Mostly cloudy with a chance of rain showers. Warmer.
Highs 61 to 76.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. A slight chance of
rain showers. Lows 44 to 59. Highs 63 to 78.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 45   85   43   82  /   0    0    0    0
CHESTER                45   80   41   76  /   0    0    0    0


$$
=

CAZ069-061100-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 PM PDT Fri Sep 5 2025

.TONIGHT...Mostly clear. Haze, cooler. Lows 44 to 59 higher
elevations...53 to 67 lower elevations. Light winds.
.SATURDAY...Sunny. Highs 62 to 77 higher elevations...74 to
86 lower elevations. Prevailing south winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Colder. Lows 41 to 56 higher
elevations...50 to 64 lower elevations. Prevailing southwest
winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 60 to 75 higher elevations...72 to
84 lower elevations. Prevailing southeast winds up to 10 mph
shifting to the southwest in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 39 to 54 higher elevations...
49 to 63 lower elevations. Prevailing southwest winds up to
10 mph in the evening becoming light.
.MONDAY...Mostly sunny. Highs 59 to 74.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Colder. Lows 40 to 55.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 56 to 71.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 39 to 54.
.WEDNESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 57 to 72.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 39 to 54.
.THURSDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 59 to 74.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 41 to 56.
.FRIDAY...Mostly sunny. Warmer. Highs 64 to 79.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            60   73   56   70  /   0    0    0    0


$$
=