Zone Forecast Product
Issued by NWS Sacramento, CA

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FPUS56 KSTO 172122
ZFPSTO

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

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


CAZ013-181100-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 41 to 56. Light winds becoming north up to
10 mph after midnight.
.SATURDAY...Sunny. Highs 64 to 79 higher elevations...73 to
81 lower elevations. Prevailing northeast winds up to 10 mph in
the morning becoming light.
.SATURDAY NIGHT...Clear. Lows 39 to 54 higher elevations...47 to
57 lower elevations. Light winds.
.SUNDAY...Sunny. Highs 59 to 74 higher elevations...69 to
77 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Clear, colder. Lows 36 to 51 higher elevations...
45 to 56 lower elevations. Prevailing west winds up to 10 mph
shifting to the north after midnight.
.MONDAY...Sunny, warmer. Highs 64 to 79.
.MONDAY NIGHT...Clear. Lows 39 to 54.
.TUESDAY...Mostly sunny. Highs 64 to 79.
.TUESDAY NIGHT...Partly cloudy. Lows 41 to 56.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 61 to 76.
Lows 40 to 55.
.THURSDAY...Partly cloudy. Highs 57 to 72.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 39 to 54.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
48 to 63.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             55   78   55   76  /   0    0    0    0


$$
=

CAZ014-181100-
Burney Basin / Eastern Shasta County-
Including the city of Burney
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 33 to 45. Light winds.
.SATURDAY...Sunny. Highs 67 to 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 35 to 46. Light winds.
.SUNDAY...Sunny. Highs 61 to 71. Light winds becoming west up to
10 mph with gusts to around 25 mph in the afternoon.
.SUNDAY NIGHT...Clear, colder. Lows 28 to 40. Prevailing west
winds up to 10 mph in the evening becoming light. Gusts up to
35 mph.
.MONDAY...Sunny. Highs 64 to 73.
.MONDAY NIGHT...Clear. Lows 31 to 44.
.TUESDAY...Mostly sunny. Highs 63 to 74.
.TUESDAY NIGHT...Partly cloudy. Lows 34 to 45.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 60 to 72. Lows
33 to 45.
.THURSDAY NIGHT...Mostly cloudy. Lows 34 to 44.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
52 to 62.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 36   74   37   68  /   0    0    0    0


$$
=

CAZ015-181100-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 48 to 56. Light winds.
.SATURDAY...Sunny. Highs around 78. Light winds.
.SATURDAY NIGHT...Clear. Lows 49 to 57. Light winds.
.SUNDAY...Sunny. Highs around 76. Light winds.
.SUNDAY NIGHT...Clear. Lows 49 to 57. Light winds becoming north
up to 10 mph after midnight. Gusts up to 20 mph.
.MONDAY...Sunny. Highs around 79.
.MONDAY NIGHT...Clear. Lows 49 to 57.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs around 77.
Lows 49 to 57.
.THURSDAY...Mostly sunny. Highs around 72.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 54.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
62 to 68.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                48   79   49   77  /   0    0    0    0
RED BLUFF              51   79   52   77  /   0    0    0    0


$$
=

CAZ016-181100-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Patchy fog after midnight. Lows 47 to 55. Light
winds.
.SATURDAY...Sunny. Highs around 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 48 to 57. Light winds.
.SUNDAY...Sunny. Highs around 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 49 to 57. Light winds. Gusts up to
20 mph.
.MONDAY...Sunny. Highs around 78.
.MONDAY NIGHT...Clear. Lows 49 to 56.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 72 to 77. Lows
48 to 56.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 54.
.FRIDAY...Mostly cloudy with a slight chance of rain showers.
Highs around 67.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  52   78   53   78  /   0    0    0    0
OROVILLE               50   77   52   78  /   0    0    0    0
MARYSVILLE/YUBA CITY   49   77   51   78  /   0    0    0    0


$$
=

CAZ017-181100-
Southern Sacramento Valley-
Including the city of Sacramento
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 47 to 55. Light winds.
.SATURDAY...Sunny. Highs around 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 49 to 57. Light winds.
.SUNDAY...Sunny. Highs around 78. Light winds.
.SUNDAY NIGHT...Clear. Lows 50 to 58. Light winds.
.MONDAY...Sunny. Highs 74 to 80.
.MONDAY NIGHT...Clear. Lows 50 to 57.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs around 74.
Lows 49 to 57.
.FRIDAY...Mostly cloudy with a slight chance of rain showers.
Highs 65 to 71.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             52   77   55   78  /   0    0    0    0
SAC EXEC AIRPORT       51   78   53   79  /   0    0    0    0


$$
=

CAZ018-181100-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 49 to 55. Light winds.
.SATURDAY...Sunny. Highs 73 to 79. Light winds.
.SATURDAY NIGHT...Clear. Lows 51 to 57. Light winds.
.SUNDAY...Sunny. Highs 74 to 80. Light winds.
.SUNDAY NIGHT...Clear. Lows 52 to 58. Light winds.
.MONDAY...Sunny. Highs 74 to 80.
.MONDAY NIGHT...Clear. Lows around 55.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 70 to 76.
Lows around 54.
.FRIDAY...Mostly cloudy with a slight chance of rain showers.
Highs 65 to 71.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       51   80   52   81  /   0    0    0    0


$$
=

CAZ019-181100-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 49 to 57. Light winds.
.SATURDAY...Sunny. Highs 74 to 80. Light winds.
.SATURDAY NIGHT...Clear. Lows 51 to 59. Light winds.
.SUNDAY...Sunny. Highs 75 to 81. Light winds.
.SUNDAY NIGHT...Clear. Lows 51 to 59. Light winds.
.MONDAY...Sunny. Highs 74 to 80.
.MONDAY NIGHT...Clear. Lows 51 to 59.
.TUESDAY...Mostly sunny. Highs 73 to 79.
.TUESDAY NIGHT...Partly cloudy. Lows 52 to 58.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 69 to 76.
Lows 50 to 58.
.FRIDAY...Partly cloudy. Highs 68 to 74.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               51   80   53   81  /   0    0    0    0
MODESTO                53   78   55   79  /   0    0    0    0


$$
=

CAZ063-181100-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 47 to 59. Light winds.
.SATURDAY...Sunny. Highs 59 to 74 higher elevations...around
76 lower elevations. Light winds.
.SATURDAY NIGHT...Clear. Lows 46 to 60. Light winds.
.SUNDAY...Sunny. Highs 57 to 72 higher elevations...71 to
77 lower elevations. Prevailing west winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 42 to 56 higher elevations...52 to
58 lower elevations. Prevailing northwest winds up to 10 mph.
.MONDAY...Sunny. Highs 61 to 76.
.MONDAY NIGHT...Clear. Lows 45 to 60.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 59 to 74. Lows
44 to 59.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 41 to 56.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
48 to 63.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          51   65   51   64  /   0    0    0    0


$$
=

CAZ066-181100-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 49 to 59. Light winds.
.SATURDAY...Sunny. Highs 68 to 78. Light winds.
.SATURDAY NIGHT...Clear. Lows 49 to 61. Light winds.
.SUNDAY...Sunny. Highs 67 to 77. Light winds.
.SUNDAY NIGHT...Clear. Lows 47 to 59. Light winds. Gusts up to
20 mph.
.MONDAY...Sunny. Highs 69 to 79.
.MONDAY NIGHT...Clear. Lows 49 to 60.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 63 to 78. Lows
48 to 60.
.THURSDAY NIGHT...Partly cloudy. Lows 47 to 57.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
56 to 66.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               56   72   58   72  /   0    0    0    0


$$
=

CAZ067-181100-
Motherlode-
Including the cities of Grass Valley and Jackson
222 PM PDT Fri Oct 17 2025

.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 70 to 80. Light winds.
.SUNDAY NIGHT...Clear. Lows 48 to 58. Light winds. Gusts up to
20 mph.
.MONDAY...Sunny. Highs 71 to 79.
.MONDAY NIGHT...Clear. Lows 50 to 58.
.TUESDAY...Mostly sunny. Highs 70 to 78.
.TUESDAY NIGHT...Partly cloudy. Lows 49 to 57.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 66 to 74.
Lows 47 to 57.
.FRIDAY...Partly cloudy with a slight chance of rain showers.
Highs 61 to 71.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           49   71   50   72  /   0    0    0    0
JACKSON                53   75   55   76  /   0    0    0    0


$$
=

CAZ068-181100-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
222 PM PDT Fri Oct 17 2025

.TONIGHT...Clear. Lows 38 to 53. Light winds.
.SATURDAY...Sunny. Highs 61 to 76. Light winds.
.SATURDAY NIGHT...Clear. Lows 38 to 53. Light winds.
.SUNDAY...Sunny. Highs 52 to 67 higher elevations...58 to
73 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Clear. Lows 37 to 52. Prevailing southwest winds
up to 10 mph shifting to the northeast after midnight. Gusts up
to 25 mph.
.MONDAY...Sunny, warmer. Highs 59 to 74.
.MONDAY NIGHT...Clear. Lows 38 to 53.
.TUESDAY...Mostly sunny. Highs 58 to 73.
.TUESDAY NIGHT...Partly cloudy. Lows 37 to 52.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 55 to 70. Lows
37 to 52.
.THURSDAY NIGHT...Partly cloudy. Lows 36 to 51.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs
46 to 61.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 36   78   37   76  /   0    0    0    0
CHESTER                37   75   37   69  /   0    0    0    0


$$
=

CAZ069-181100-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
222 PM PDT Fri Oct 17 2025

.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...44 to
58 lower elevations. Prevailing southeast winds up to 10 mph.
.SUNDAY...Sunny. Highs 54 to 69 higher elevations...65 to
77 lower elevations. Prevailing east winds up to 10 mph shifting
to the southwest in the afternoon.
.SUNDAY NIGHT...Clear. Lows 34 to 49 higher elevations...43 to
57 lower elevations. Light winds becoming east up to 10 mph after
midnight.
.MONDAY...Sunny. Highs 60 to 75.
.MONDAY NIGHT...Mostly clear. Lows 38 to 53.
.TUESDAY...Mostly sunny. Highs 58 to 73.
.TUESDAY NIGHT...Partly cloudy. Lows 36 to 51.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 55 to 70.
Lows 36 to 51.
.FRIDAY...Partly cloudy with a slight chance of rain showers.
Highs 49 to 64.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            51   67   50   64  /   0    0    0    0


$$
=