325
FPUS56 KSTO 171222
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
522 AM PDT Fri Oct 17 2025

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


CAZ013-172300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Warmer. Highs 65 to 80 higher elevations...
74 to 82 lower elevations. Prevailing northeast winds up to
10 mph.
.TONIGHT...Clear. Lows 41 to 56. Light winds becoming north up to
10 mph after midnight.
.SATURDAY...Sunny. Highs 65 to 80 higher elevations...74 to
82 lower elevations. Prevailing north winds up to 10 mph in the
morning becoming light.
.SATURDAY NIGHT...Clear. Lows 40 to 55 higher elevations...48 to
58 lower elevations. Light winds.
.SUNDAY...Sunny. Highs 59 to 74 higher elevations...70 to
78 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Mostly clear. Colder. Lows 38 to 53.
.MONDAY...Sunny. Highs 63 to 78.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 40 to 55. Highs
63 to 78.
.TUESDAY NIGHT...Partly cloudy. Lows 40 to 55.
.WEDNESDAY...Mostly sunny. Highs 61 to 76.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 39 to 54.
Highs 59 to 74.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             79   55   79  /   0    0    0


$$
=

CAZ014-172300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 AM PDT Fri Oct 17 2025

.TODAY...Partly cloudy in the morning then clearing. Warmer.
Highs 64 to 74. Light winds.
.TONIGHT...Clear. Lows 33 to 46. Light winds.
.SATURDAY...Sunny. Highs 67 to 77. Light winds.
.SATURDAY NIGHT...Clear. Lows 35 to 46. Light winds.
.SUNDAY...Sunny. Highs 62 to 72. Light winds becoming west up to
10 mph in the afternoon.
.SUNDAY NIGHT...Clear, colder. Lows 30 to 40.
.MONDAY...Sunny. Highs 63 to 72.
.MONDAY NIGHT...Clear. Lows 33 to 44.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 61 to 72. Lows
33 to 44.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 33 to 43.
Highs 59 to 71.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 72   36   74  /   0    0    0


$$
=

CAZ015-172300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Highs 73 to 80. North winds up to 10 mph
in the morning becoming light.
.TONIGHT...Clear. Lows 47 to 57. Light winds.
.SATURDAY...Sunny. Highs around 78. Light winds.
.SATURDAY NIGHT...Clear. Lows 49 to 57. Light winds.
.SUNDAY...Sunny. Highs around 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 50 to 56.
.MONDAY...Sunny. Highs around 78.
.MONDAY NIGHT...Clear. Lows 49 to 57.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs around 76. Lows
49 to 57.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 49 to 54.
Highs around 73.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                79   47   80  /   0    0    0
RED BLUFF              77   51   79  /   0    0    0


$$
=

CAZ016-172300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Highs 70 to 76. Light winds.
.TONIGHT...Clear. Lows 47 to 55. Light winds.
.SATURDAY...Sunny. Highs around 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 47 to 57. Light winds.
.SUNDAY...Sunny. Highs around 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 49 to 57.
.MONDAY...Sunny. Highs around 77.
.MONDAY NIGHT...Clear. Lows 49 to 56.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 71 to 76. Lows
48 to 56.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  74   52   78  /   0    0    0
OROVILLE               72   50   76  /   0    0    0
MARYSVILLE/YUBA CITY   72   49   76  /   0    0    0


$$
=

CAZ017-172300-
Southern Sacramento Valley-
Including the city of Sacramento
522 AM PDT Fri Oct 17 2025

.TODAY...Patchy fog early in the morning. Mostly sunny. Highs
around 72. Light winds.
.TONIGHT...Clear. Lows 47 to 55. Light winds.
.SATURDAY...Sunny. Highs 73 to 79. Light winds.
.SATURDAY NIGHT...Clear. Lows 48 to 58. Light winds.
.SUNDAY...Sunny. Highs around 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 49 to 57.
.MONDAY...Sunny. Highs around 76.
.MONDAY NIGHT...Clear. Lows 49 to 57.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 69 to 79. Lows
49 to 57.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             72   52   77  /   0    0    0
SAC EXEC AIRPORT       72   51   77  /   0    0    0


$$
=

CAZ018-172300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 AM PDT Fri Oct 17 2025

.TODAY...Partly cloudy in the morning then clearing. Highs 69 to
75. Light winds.
.TONIGHT...Clear. Lows 49 to 55. Light winds.
.SATURDAY...Sunny. Highs 73 to 79. Northeast winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 50 to 56. Light winds.
.SUNDAY...Sunny. Highs 74 to 80. Light winds.
.SUNDAY NIGHT...Clear. Lows around 54.
.MONDAY...Sunny. Highs 73 to 79.
.MONDAY NIGHT...Clear. Lows 51 to 57.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 76. Lows
51 to 57.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       75   51   79  /   0    0    0


$$
=

CAZ019-172300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 AM PDT Fri Oct 17 2025

.TODAY...Widespread fog in the morning. Mostly sunny. Highs 69 to
75. Light winds.
.TONIGHT...Clear. Lows 49 to 57. Light winds.
.SATURDAY...Sunny. Highs 73 to 79. Light winds.
.SATURDAY NIGHT...Clear. Lows 51 to 59. Light winds.
.SUNDAY...Sunny. Highs 75 to 81. Light winds.
.SUNDAY NIGHT...Clear. Lows 50 to 58.
.MONDAY...Sunny. Highs 73 to 79.
.MONDAY NIGHT...Clear. Lows 51 to 59.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 79. Lows
50 to 59.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               75   51   79  /   0    0    0
MODESTO                74   52   77  /   0    0    0


$$
=

CAZ063-172300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 AM PDT Fri Oct 17 2025

.TODAY...Partly cloudy in the morning then clearing. Warmer.
Highs 60 to 75 higher elevations...around 77 lower elevations.
Prevailing northwest winds up to 10 mph in the morning becoming
light.
.TONIGHT...Clear. Lows 47 to 59. Light winds.
.SATURDAY...Sunny. Highs 60 to 75 higher elevations...around
77 lower elevations. Light winds.
.SATURDAY NIGHT...Clear. Lows 46 to 60. Light winds.
.SUNDAY...Sunny. Highs 57 to 72 higher elevations...around
75 lower elevations. Prevailing west winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 44 to 59.
.MONDAY...Sunny. Highs 60 to 75.
.MONDAY NIGHT...Clear. Lows 46 to 60.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 60 to 75.
Lows 44 to 59.
.THURSDAY...Partly cloudy. Highs 55 to 70.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          65   51   67  /   0    0    0


$$
=

CAZ066-172300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Highs 65 to 77. Prevailing east winds up
to 10 mph in the morning becoming light.
.TONIGHT...Clear. Lows 49 to 59. Light winds.
.SATURDAY...Sunny. Highs 69 to 79. Prevailing northeast winds up
to 10 mph in the morning becoming light.
.SATURDAY NIGHT...Clear. Lows 50 to 60. Light winds.
.SUNDAY...Sunny. Highs 67 to 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 47 to 59.
.MONDAY...Sunny. Highs 69 to 79.
.MONDAY NIGHT...Clear. Lows 49 to 59.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 63 to 77. Lows
47 to 59.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               69   56   72  /   0    0    0


$$
=

CAZ067-172300-
Motherlode-
Including the cities of Grass Valley and Jackson
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Highs 65 to 73. Light winds.
.TONIGHT...Clear. Lows 48 to 56. Light winds.
.SATURDAY...Sunny. Highs 70 to 78. Light winds.
.SATURDAY NIGHT...Clear. Lows 50 to 58. Light winds.
.SUNDAY...Sunny. Highs 71 to 79. Light winds.
.SUNDAY NIGHT...Clear. Lows 49 to 57.
.MONDAY...Sunny. Highs 71 to 79.
.MONDAY NIGHT...Clear. Lows 50 to 58.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 66 to 78. Lows
47 to 58.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           67   48   71  /   0    0    0
JACKSON                70   53   75  /   0    0    0


$$
=

CAZ068-172300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 AM PDT Fri Oct 17 2025

.TODAY...Partly cloudy in the morning then clearing. Warmer.
Highs 59 to 74. Prevailing northeast winds up to 10 mph.
.TONIGHT...Clear. Lows 38 to 53. Light winds.
.SATURDAY...Sunny. Highs 61 to 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 40 to 55. Light winds.
.SUNDAY...Sunny. Highs 53 to 68 higher elevations...59 to
74 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Clear, colder. Lows 37 to 52.
.MONDAY...Sunny, warmer. Highs 59 to 74.
.MONDAY NIGHT...Clear. Lows 38 to 53.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 55 to 70. Lows
37 to 52.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 75   36   79  /   0    0    0
CHESTER                72   37   75  /   0    0    0


$$
=

CAZ069-172300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 AM PDT Fri Oct 17 2025

.TODAY...Mostly sunny. Warmer. Highs 53 to 68 higher elevations...
62 to 74 lower elevations. Prevailing east winds up to 10 mph in
the morning becoming light.
.TONIGHT...Clear. Lows 35 to 50 higher elevations...45 to
55 lower elevations. Prevailing northeast winds up to 10 mph.
.SATURDAY...Sunny, warmer. Highs 56 to 71 higher elevations...
67 to 77 lower elevations. Prevailing east winds up to 10 mph in
the morning becoming light.
.SATURDAY NIGHT...Clear. Lows 35 to 50 higher elevations...45 to
57 lower elevations. Light winds becoming east up to 10 mph after
midnight.
.SUNDAY...Sunny. Highs 54 to 69 higher elevations...66 to
76 lower elevations. Prevailing east winds up to 10 mph shifting
to the southwest in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 38 to 53.
.MONDAY...Mostly sunny. Highs 59 to 74.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 38 to 53. Highs
58 to 73.
.TUESDAY NIGHT...Partly cloudy. Lows 36 to 51.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 55 to 70. Lows
36 to 51.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            65   51   67  /   0    0    0


$$
=