308
FPUS56 KSTO 081223
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
523 AM PDT Wed Oct 8 2025

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


CAZ013-082300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 66 to 81 higher elevations...77 to 84 lower
elevations. Light winds becoming south up to 10 mph in the
afternoon.
.TONIGHT...Mostly cloudy with a slight chance of rain showers.
Colder. Lows 40 to 54 higher elevations...48 to 57 lower
elevations. Prevailing southwest winds up to 10 mph.
.THURSDAY...Mostly cloudy. A chance of rain showers in the
morning. Highs 50 to 65 higher elevations...60 to 68 lower
elevations. Prevailing south winds up to 10 mph.
.THURSDAY NIGHT...Mostly cloudy. A slight chance of rain showers
in the evening, then a chance of rain showers after midnight.
Colder. Lows 37 to 52 higher elevations...45 to 54 lower
elevations. Light winds.
.FRIDAY...Mostly cloudy. A chance of rain showers in the morning,
then rain showers likely in the afternoon. Highs 46 to 61 higher
elevations...58 to 65 lower elevations. Prevailing south winds up
to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with rain showers likely. Colder.
Lows 34 to 49.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs 50 to 65.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 31 to 46. Highs
51 to 66.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Lows 33 to 48. Highs 49 to 64.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             82   56   66  /  10   30   20


$$
=

CAZ014-082300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 66 to 77. Light winds becoming southwest up
to 10 mph in the afternoon. Gusts up to 25 mph.
.TONIGHT...Mostly clear. Lows 37 to 47. Prevailing south winds up
to 10 mph with gusts to around 25 mph.
.THURSDAY...Mostly sunny. A slight chance of rain showers in the
morning. Highs 58 to 67. Prevailing south winds up to 10 mph
shifting to the southwest in the afternoon. Gusts up to 25 mph.
.THURSDAY NIGHT...Mostly cloudy. A slight chance of rain showers
after midnight. Lows 34 to 45. Prevailing southwest winds up to
10 mph shifting to the south after midnight. Gusts up to 25 mph.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers in
the afternoon. Highs 53 to 62. Prevailing southwest winds up to
10 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Mostly cloudy with rain showers likely. Lows
30 to 41.
.SATURDAY...Mostly cloudy with a slight chance of rain showers.
Highs 47 to 59.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 24 to 35. Highs
47 to 60.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 28 to 38.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 42 to 56. Lows 27 to 38.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 74   41   63  /   0   20   20


$$
=

CAZ015-082300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs around 83. Light winds becoming south
around 10 mph with gusts to around 25 mph in the afternoon.
.TONIGHT...Mostly clear. A slight chance of rain showers after
midnight. Lows around 56. South winds 10 to 15 mph with gusts to
around 25 mph.
.THURSDAY...Mostly cloudy. A slight chance of rain showers in the
morning. Cooler. Highs 67 to 73. South winds up to 15 mph with
gusts to around 25 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 48 to 54. Southeast winds up to 10 mph with gusts
to around 20 mph.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers in
the afternoon. Highs 64 to 70. South winds up to 15 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
45 to 51.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs around 67.
.SATURDAY NIGHT...Clear. Lows 43 to 51.
.SUNDAY...Mostly sunny. Highs around 69.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 46 to 52.
.COLUMBUS DAY AND MONDAY NIGHT...Mostly cloudy with a chance of
rain showers. Highs around 62. Lows 46 to 52.
.TUESDAY...Partly cloudy with a chance of rain showers. Highs
around 64.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                84   55   70  /  10   20   20
RED BLUFF              84   56   72  /   0   10   10


$$
=

CAZ016-082300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs around 81. Light winds becoming south
around 10 mph with gusts to around 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 53 to 59. Southeast winds 10 to
15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
around 72. Southeast winds around 10 mph with gusts to around
25 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 47 to 55. South winds up to
10 mph with gusts to around 20 mph.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers in
the afternoon. Highs around 70. South winds up to 15 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
46 to 52.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs around 68.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 45 to 51. Highs around
69.
.SUNDAY NIGHT...Partly cloudy. Lows around 50.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs around 63. Lows around 50.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  82   59   73  /   0    0   10
OROVILLE               82   57   73  /   0    0   10
MARYSVILLE/YUBA CITY   81   57   73  /   0    0    0


$$
=

CAZ017-082300-
Southern Sacramento Valley-
Including the city of Sacramento
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 74 to 82. South winds up to 10 mph. Gusts
up to 25 mph in the afternoon.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
around 56. South winds up to 10 mph with gusts to around 25 mph.
.THURSDAY...Mostly cloudy in the morning then clearing. Highs
70 to 76. South winds up to 10 mph with gusts to around 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 49 to 55. Southwest winds up
to 10 mph with gusts to around 20 mph.
.FRIDAY...Mostly sunny. A slight chance of rain showers in the
afternoon. Highs 68 to 74. South winds up to 10 mph with gusts to
around 20 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 54.
.SATURDAY...Mostly sunny. Highs 67 to 73.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 46 to 52. Highs 67 to
75.
.SUNDAY NIGHT...Mostly clear. Lows around 51.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 61 to 68. Lows around 51.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             77   58   74  /   0    0    0
SAC EXEC AIRPORT       79   57   75  /   0    0    0


$$
=

CAZ018-082300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
523 AM PDT Wed Oct 8 2025

.TODAY...Mostly sunny. Near the bay, mostly cloudy in the morning
then clearing. Not as warm. Highs 72 to 78. West winds 10 to
15 mph with gusts to around 25 mph.
.TONIGHT...Mostly clear. Near the bay, partly cloudy in the
evening then becoming mostly cloudy. Lows around 57. Southwest
winds 10 to 15 mph with gusts to around 30 mph.
.THURSDAY...Mostly cloudy in the morning then clearing. Highs
69 to 75. South winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 53. West winds up to
15 mph.
.FRIDAY...Mostly sunny. A slight chance of rain showers in the
afternoon. Highs 68 to 74. Southwest winds 10 to 15 mph with
gusts to around 25 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows around 53.
.SATURDAY...Mostly sunny. Highs 68 to 74.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows around 51. Highs 69 to
75.
.SUNDAY NIGHT...Mostly clear. Lows around 53.
.COLUMBUS DAY...Mostly cloudy with a slight chance of rain
showers. Highs 62 to 68.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a chance of rain
showers. Lows around 52. Highs 63 to 69.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       79   56   76  /   0   10   10


$$
=

CAZ019-082300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 75 to 83. West winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows 51 to 59. West winds up to 10 mph
in the evening becoming light.
.THURSDAY...Mostly sunny. Highs 70 to 78. Light winds becoming
southwest up to 10 mph in the afternoon.
.THURSDAY NIGHT...Clear. Lows 50 to 56. Northwest winds up to
10 mph.
.FRIDAY...Sunny. Highs 69 to 75. Northwest winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 50 to 56.
.SATURDAY...Mostly sunny. Highs 66 to 74.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 47 to 53. Highs 66 to
75.
.SUNDAY NIGHT...Mostly clear. Lows 47 to 53.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 61 to 69. Lows 47 to 54.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               83   55   78  /   0    0    0
MODESTO                82   57   76  /   0    0    0


$$
=

CAZ063-082300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 62 to 77 higher elevations...78 to 83 lower
elevations. Prevailing west winds up to 10 mph shifting to the
south in the afternoon.
.TONIGHT...Mostly clear. Colder. Lows 40 to 52 higher
elevations...50 to 57 lower elevations. Prevailing southwest
winds up to 10 mph with gusts to around 25 mph.
.THURSDAY...Mostly cloudy. At lower elevations, a slight chance
of rain showers in the morning. At higher elevations, a slight
chance of rain showers. Highs 47 to 62 higher elevations...61 to
69 lower elevations. Prevailing south winds up to 10 mph.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Colder. Lows 36 to 48 higher elevations...46 to 54 lower
elevations. Prevailing southwest winds up to 10 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers in the morning,
then rain showers likely in the afternoon. Highs 44 to 59 higher
elevations...59 to 67 lower elevations. Prevailing southwest
winds up to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
36 to 51.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs 49 to 64.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 36 to 51. Highs
51 to 66.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 36 to 51.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 46 to 61. Lows 36 to 51.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          70   45   55  /   0   10   10


$$
=

CAZ066-082300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 71 to 83. Prevailing east winds up to
10 mph shifting to the south in the afternoon.
.TONIGHT...Mostly clear. A slight chance of rain showers after
midnight. Cooler. Lows 48 to 58. Prevailing southeast winds up to
10 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly sunny in the afternoon. Highs 61 to 71.
Prevailing south winds up to 10 mph with gusts to around 25 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a slight chance of rain showers after midnight. Lows
46 to 57. Prevailing southeast winds up to 10 mph.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers in
the afternoon. Highs 57 to 69. Prevailing south winds up to
10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
43 to 54.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs 55 to 67.
.SATURDAY NIGHT...Clear. Lows 40 to 52.
.SUNDAY...Mostly sunny. Highs 57 to 69.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 42 to 53.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 50 to 64. Lows 41 to 53.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               76   55   65  /   0    0   10


$$
=

CAZ067-082300-
Motherlode-
Including the cities of Grass Valley and Jackson
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 72 to 80. Prevailing east winds up to
10 mph shifting to the southwest in the afternoon.
.TONIGHT...Mostly clear. Cooler. Lows 47 to 55. Light winds.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
65 to 75. Light winds becoming southwest up to 10 mph in the
afternoon.
.THURSDAY NIGHT...Clear. Lows 46 to 54. Light winds.
.FRIDAY...Mostly sunny. A slight chance of rain showers in the
afternoon. Highs 62 to 72. Light winds becoming southwest up to
10 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers. Lows
43 to 53.
.SATURDAY...Mostly sunny. Highs 57 to 69.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 41 to 49. Highs 57 to
71.
.SUNDAY NIGHT...Mostly clear. Lows 43 to 51.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain showers. Highs 53 to 65. Lows 42 to 52.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           75   49   66  /   0    0    0
JACKSON                76   53   71  /   0    0    0


$$
=

CAZ068-082300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 57 to 72 higher elevations...64 to 77 lower
elevations. Prevailing southeast winds up to 10 mph shifting to
the southwest in the afternoon. Gusts up to 25 mph.
.TONIGHT...Clear in the evening then becoming partly cloudy.
Colder. Lows 36 to 51. Prevailing south winds up to 10 mph.
.THURSDAY...Mostly cloudy with a slight chance of rain showers in
the morning, then mostly sunny in the afternoon. Highs 47 to
62 higher elevations...52 to 67 lower elevations. Prevailing
south winds up to 15 mph.
.THURSDAY NIGHT...Mostly clear in the evening, then mostly cloudy
with a slight chance of rain showers after midnight. Lows 35 to
50. Prevailing south winds up to 10 mph with gusts to around
25 mph.
.FRIDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers in
the afternoon. Highs 42 to 57 higher elevations...48 to 63 lower
elevations. Prevailing south winds up to 15 mph with gusts to
around 30 mph.
.FRIDAY NIGHT...Rain showers likely. Colder. Lows 30 to 45.
.SATURDAY...Mostly cloudy with a chance of rain and snow showers.
Highs 43 to 58.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 28 to 43. Highs
45 to 60.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain and
snow showers. Lows 29 to 44.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain and snow showers. Highs 38 to 53. Lows 29 to 44.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 79   41   69  /   0    0   10
CHESTER                74   38   64  /   0    0   10


$$
=

CAZ069-082300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
523 AM PDT Wed Oct 8 2025

.TODAY...Sunny. Highs 56 to 71 higher elevations...70 to 80 lower
elevations. Prevailing southeast winds up to 10 mph shifting to
the southwest in the afternoon.
.TONIGHT...Mostly clear. Colder. Lows 34 to 48 higher
elevations...43 to 53 lower elevations. Prevailing south winds up
to 10 mph.
.THURSDAY...Sunny. Highs 51 to 66 higher elevations...60 to
72 lower elevations. Prevailing south winds up to 10 mph with
gusts to around 25 mph.
.THURSDAY NIGHT...Clear. Lows 34 to 48 higher elevations...41 to
53 lower elevations. Prevailing south winds up to 10 mph with
gusts to around 25 mph.
.FRIDAY...Mostly sunny. Highs 46 to 61 higher elevations...56 to
70 lower elevations. Prevailing south winds up to 15 mph with
gusts to around 30 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Colder. Lows 31 to 46.
.SATURDAY...Partly cloudy with a slight chance of rain and snow
showers. Highs 44 to 59.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 28 to 43. Highs 46 to
61.
.SUNDAY NIGHT...Mostly clear. Lows 29 to 44.
.COLUMBUS DAY THROUGH TUESDAY...Mostly cloudy with a chance of
rain and snow showers. Highs 40 to 55. Lows 29 to 44.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            69   47   60  /   0    0    0


$$
=