406
FPUS56 KSTO 201722
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1022 AM PDT Sat Sep 20 2025

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


CAZ013-202300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1022 AM PDT Sat Sep 20 2025

.TODAY...Partly cloudy in the morning then clearing. Warmer.
Highs 71 to 86 higher elevations...81 to 89 lower elevations.
Light winds becoming south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 49 to 64 higher elevations...57 to
67 lower elevations. Light winds.
.SUNDAY...Mostly sunny. Highs 72 to 87 higher elevations...83 to
92 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Clear. Lows 47 to 62 higher elevations...55 to
67 lower elevations. Prevailing west winds up to 10 mph shifting
to the north after midnight.
.MONDAY...Sunny, warmer. Highs 78 to 93 higher elevations...88 to
98 lower elevations. Prevailing northeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 53 to 68.
.TUESDAY...Sunny, warmer. Highs 83 to 98.
.TUESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 51 to 66.
Highs 79 to 94.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             87   66   90  /  10   10    0


$$
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CAZ014-202300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1022 AM PDT Sat Sep 20 2025

.TODAY...Mostly sunny. At higher elevations, a slight chance of
showers and thunderstorms late in the afternoon. Highs 70 to 82.
Prevailing west winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 43 to 55. Prevailing west winds up
to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 71 to 82. Light winds becoming west
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Clear, colder. Lows 39 to 51. Prevailing west
winds up to 10 mph in the evening becoming light.
.MONDAY...Sunny, warmer. Highs 76 to 87. Light winds.
.MONDAY NIGHT...Clear. Lows 43 to 55.
.TUESDAY...Sunny, warmer. Highs 79 to 92.
.TUESDAY NIGHT...Mostly clear. Lows 44 to 56.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 75 to 86.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 42 to 55.
Highs 73 to 86.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 79   49   79  /  10   10    0


$$
=

CAZ015-202300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1022 AM PDT Sat Sep 20 2025

.TODAY...Mostly sunny. Highs around 87. Light winds.
.TONIGHT...Mostly clear. Lows 62 to 67. Light winds.
.SUNDAY...Mostly sunny. Highs around 90. Light winds.
.SUNDAY NIGHT...Clear. Lows 61 to 67. Northwest winds up to
10 mph.
.MONDAY...Sunny. Highs 91 to 97. North winds 10 to 15 mph with
gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 62 to 70.
.TUESDAY...Sunny. Highs 93 to 99.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 62 to 68.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 86 to 94. Lows
60 to 68.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                88   62   91  /  10   10    0
RED BLUFF              88   64   91  /  10   10    0


$$
=

CAZ016-202300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny. Highs around 86. Light winds becoming south up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 59 to 65. Light winds.
.SUNDAY...Sunny. Highs around 88. Light winds.
.SUNDAY NIGHT...Clear. Lows 59 to 67. Light winds.
.MONDAY...Sunny. Highs around 93. North winds 10 to 15 mph with
gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 60 to 69.
.TUESDAY...Sunny. Highs around 93.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 59 to 67.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs around 88. Lows
59 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  87   65   90  /   0    0    0
OROVILLE               87   63   89  /   0    0    0
MARYSVILLE/YUBA CITY   88   62   90  /   0    0    0


$$
=

CAZ017-202300-
Southern Sacramento Valley-
Including the city of Sacramento
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny. Highs 84 to 90. Southwest winds up to 10 mph.
.TONIGHT...Clear. Lows 58 to 65. South winds up to 10 mph.
.SUNDAY...Sunny. Highs 87 to 93. Southwest winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 58 to 68. Light winds.
.MONDAY...Sunny. Highs 91 to 97. Northwest winds up to 10 mph
with gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows 60 to 69.
.TUESDAY...Sunny. Highs 89 to 95.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 60 to 68.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 85 to 91.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
57 to 65. Highs 85 to 92.
.FRIDAY...Sunny. Highs 85 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             88   62   91  /   0    0    0
SAC EXEC AIRPORT       89   61   91  /   0    0    0


$$
=

CAZ018-202300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny. Highs 81 to 87. West winds 10 to 15 mph.
.TONIGHT...Clear. Lows 58 to 64. West winds 10 to 15 mph with
gusts to around 25 mph.
.SUNDAY...Sunny. Highs 83 to 89. West winds 10 to 15 mph with
gusts to around 25 mph.
.SUNDAY NIGHT...Clear. Lows around 61. West winds up to 10 mph
with gusts to around 20 mph.
.MONDAY...Sunny. Highs 89 to 95. Northwest winds up to 10 mph
with gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows around 63.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 85 to 91.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 60 to 66.
.WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 82 to 88.
Lows 60 to 66.
.FRIDAY...Sunny. Highs 82 to 88.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       88   60   91  /   0    0    0


$$
=

CAZ019-202300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny. Highs 83 to 90. Northwest winds up to 10 mph.
.TONIGHT...Clear. Lows 59 to 65. Northwest winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY...Sunny. Highs 84 to 92. Northwest winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY NIGHT...Clear. Lows 59 to 67. Northwest winds up to
10 mph with gusts to around 20 mph.
.MONDAY...Sunny. Highs 88 to 96. Northwest winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 62 to 70.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 86 to 94.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 62 to 68.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 83 to 91.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 58 to 66.
Highs 83 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               90   61   92  /   0    0    0
MODESTO                89   64   90  /   0    0    0


$$
=

CAZ063-202300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1022 AM PDT Sat Sep 20 2025

.TODAY...Partly cloudy in the morning then clearing. At higher
elevations, a slight chance of rain showers late in the
afternoon. Warmer. Highs 65 to 80 higher elevations...81 to
86 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.TONIGHT...Mostly clear. Lows 52 to 66 higher elevations...62 to
68 lower elevations. Prevailing west winds up to 10 mph.
.SUNDAY...Mostly sunny. Warmer. Highs 67 to 82 higher
elevations...84 to 89 lower elevations. Light winds becoming east
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 52 to 66 higher elevations...63 to
69 lower elevations. Prevailing northwest winds up to 10 mph.
.MONDAY...Sunny, warmer. Highs 72 to 87 higher elevations...88 to
94 lower elevations. Prevailing north winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 59 to 74.
.TUESDAY...Sunny. Highs 78 to 93.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. A slight chance of
rain showers. Lows 57 to 71. Highs 75 to 90.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 56 to 71.
Highs 73 to 88.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          71   59   75  /  20   10    0


$$
=

CAZ066-202300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny, warmer. Highs 75 to 87. Light winds.
.TONIGHT...Clear. Lows 58 to 69. Light winds.
.SUNDAY...Sunny. Highs 77 to 89. Light winds.
.SUNDAY NIGHT...Clear. Lows 58 to 70. Light winds becoming
northeast up to 10 mph after midnight.
.MONDAY...Sunny, warmer. Highs 83 to 95. Prevailing northeast
winds up to 10 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT...Clear. Lows 61 to 73.
.TUESDAY...Sunny. Highs 85 to 97.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 60 to 70.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 77 to 92. Lows
59 to 70.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               80   66   82  /   0    0    0


$$
=

CAZ067-202300-
Motherlode-
Including the cities of Grass Valley and Jackson
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny. Highs 77 to 87. Light winds becoming west up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 57 to 65. Light winds.
.SUNDAY...Sunny. Highs 79 to 89. Light winds becoming west up to
10 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 58 to 66. Light winds.
.MONDAY...Sunny. Highs 83 to 93. Prevailing northeast winds up to
10 mph shifting to the west in the afternoon.
.MONDAY NIGHT...Clear. Lows 62 to 70.
.TUESDAY...Mostly sunny. Highs 83 to 93.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 59 to 67.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 78 to 88.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows
58 to 66. Highs 78 to 89.
.FRIDAY...Sunny. Highs 80 to 90.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           79   58   81  /   0    0    0
JACKSON                84   61   85  /   0    0    0


$$
=

CAZ068-202300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1022 AM PDT Sat Sep 20 2025

.TODAY...Mostly sunny. At higher elevations, a slight chance of
rain showers late in the afternoon. Highs 60 to 75 higher
elevations...66 to 81 lower elevations. Light winds becoming
southwest up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 46 to 61. Light winds.
.SUNDAY...Mostly sunny. Highs 61 to 76 higher elevations...67 to
81 lower elevations. Light winds becoming west up to 10 mph in
the afternoon.
.SUNDAY NIGHT...Clear. Lows 46 to 61. Prevailing west winds up to
10 mph shifting to the northeast after midnight.
.MONDAY...Sunny, warmer. Highs 67 to 82 higher elevations...74 to
88 lower elevations. Prevailing northeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 50 to 65.
.TUESDAY...Sunny. Highs 73 to 88.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 49 to 64.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 67 to 82.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 48 to 63.
Highs 68 to 83.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 83   45   84  /  10   10    0
CHESTER                78   44   78  /  20   10    0


$$
=

CAZ069-202300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1022 AM PDT Sat Sep 20 2025

.TODAY...Sunny, warmer. Highs 59 to 74 higher elevations...72 to
82 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.TONIGHT...Mostly clear. Lows 40 to 55 higher elevations...51 to
65 lower elevations. Light winds.
.SUNDAY...Sunny. Highs 60 to 75 higher elevations...74 to
84 lower elevations. Light winds becoming west up to 10 mph in
the afternoon.
.SUNDAY NIGHT...Clear. Lows 42 to 57 higher elevations...52 to
66 lower elevations. Prevailing northwest winds up to 10 mph
shifting to the northeast after midnight.
.MONDAY...Sunny, warmer. Highs 65 to 80 higher elevations...79 to
91 lower elevations. Prevailing northeast winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 48 to 63.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 71 to 86.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 47 to 62.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 64 to 79.
.WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 61.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 67 to 82. Lows
46 to 61.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            71   57   72  /   0   10    0


$$
=