457
FPUS56 KSTO 311954
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1253 PM PDT Thu Jul 31 2025

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


CAZ013-312300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1253 PM PDT Thu Jul 31 2025

.TODAY...Mostly sunny. A slight chance of showers and
thunderstorms late in the afternoon. Highs 79 to 94 higher
elevations...90 to 98 lower elevations. Light winds becoming
south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Lows 54 to 69 higher elevations...
62 to 72 lower elevations. Prevailing west winds up to 10 mph in
the evening becoming light.
.FRIDAY...Sunny. Highs 81 to 96 higher elevations...91 to
101 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 53 to 68 higher elevations...
62 to 70 lower elevations. Prevailing southwest winds up to
10 mph shifting to the north after midnight.
.SATURDAY...Sunny. Highs 79 to 94 higher elevations...90 to
100 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.SATURDAY NIGHT...Clear. Lows 54 to 69.
.SUNDAY...Mostly sunny. Highs 77 to 92.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Cooler. Lows 50 to 65.
.MONDAY...Mostly sunny. Highs 76 to 91.
.MONDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 52 to 67. Highs
80 to 95.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             96   70   98  /  20   20   10


$$
=

CAZ014-312300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1253 PM PDT Thu Jul 31 2025

.TODAY...Mostly sunny until late afternoon, then a slight chance
of showers and thunderstorms late in the afternoon. Highs 77 to
90. Light winds becoming west up to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 47 to 60. Prevailing west winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 76 to 88 higher elevations...85 to
91 lower elevations. Light winds becoming west up to 10 mph in
the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 46 to 60. Prevailing west
winds up to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 75 to 86 higher elevations...84 to
90 lower elevations. Light winds.
.SATURDAY NIGHT...Clear. Lows 46 to 60.
.SUNDAY...Sunny. Highs 75 to 87.
.SUNDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Colder. Lows 43 to 58.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 72 to 85. Lows
43 to 58.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 78 to 91. Lows 45 to
60.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 86   53   88  /  10   10   10


$$
=

CAZ015-312300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 92 to 98. Light winds becoming south up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 65 to 71. South winds up to 10 mph in the
evening becoming light.
.FRIDAY...Sunny. Highs 94 to 100. Light winds becoming south up
to 10 mph with gusts to around 20 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 64 to 70. South winds around 10 mph
in the evening becoming light.
.SATURDAY...Sunny. Highs 93 to 99. Light winds.
.SATURDAY NIGHT...Clear. Lows around 68.
.SUNDAY...Sunny. Highs 90 to 96.
.SUNDAY NIGHT...Mostly clear. Lows around 63.
.MONDAY AND MONDAY NIGHT...Clear. Highs 87 to 93. Lows around 64.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 92 to 100. Lows around
67.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                98   66   99  /  10   10    0
RED BLUFF              96   67   98  /  10    0   10


$$
=

CAZ016-312300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs around 93. South winds up to 10 mph.
.TONIGHT...Clear. Lows 59 to 67. Southeast winds up to 10 mph.
.FRIDAY...Sunny. Highs around 94. Light winds becoming south up
to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 59 to 67. Southeast winds up to
10 mph.
.SATURDAY...Sunny. Highs around 94. Light winds becoming south up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 61 to 67.
.SUNDAY...Sunny. Highs around 91.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Clear. Lows 59 to 69. Highs
around 90.
.WEDNESDAY...Sunny. Highs around 95.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  95   67   96  /   0    0    0
OROVILLE               94   65   95  /   0    0    0
MARYSVILLE/YUBA CITY   94   60   95  /   0    0    0


$$
=

CAZ017-312300-
Southern Sacramento Valley-
Including the city of Sacramento
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 90 to 96. South winds up to 10 mph.
.TONIGHT...Clear. Lows 55 to 64. South winds up to 10 mph with
gusts to around 20 mph.
.FRIDAY...Sunny. Highs 89 to 97. South winds up to 10 mph with
gusts to around 20 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 64. South winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 91 to 97. South winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 57 to 64.
.SUNDAY...Sunny. Highs 87 to 95.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Clear. Lows 57 to 67. Highs
86 to 96.
.WEDNESDAY...Sunny. Highs 93 to 99.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             94   60   93  /   0    0    0
SAC EXEC AIRPORT       92   59   92  /   0    0    0


$$
=

CAZ018-312300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Near the bay, mostly cloudy in the morning then
clearing. Highs 83 to 89. West winds 10 to 15 mph with gusts to
around 25 mph.
.TONIGHT...Clear. Lows around 58. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.FRIDAY...Sunny. Near the bay, mostly cloudy in the morning then
clearing. Highs 83 to 89...except 77 to 83 near the bay.
Southwest winds 10 to 15 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows around 58. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Sunny. Highs 85 to 91. Southwest winds 10 to 15 mph.
.SATURDAY NIGHT...Clear. Lows around 58.
.SUNDAY...Sunny. Highs 81 to 87.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows around 58. Highs
81 to 87.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 87 to 93. Lows 57 to
63.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       90   58   89  /   0    0    0


$$
=

CAZ019-312300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 89 to 96. Northwest winds up to 10 mph.
.TONIGHT...Clear. Lows 57 to 65. Northwest winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY...Sunny. Highs 88 to 96. Northwest winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 56 to 64. Northwest winds up to
15 mph.
.SATURDAY...Sunny. Highs 89 to 97. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 57 to 65.
.SUNDAY...Sunny. Highs 86 to 94.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 56 to 62. Highs 84 to
94.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows 60 to 68. Highs 89 to
99.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               95   58   95  /   0    0    0
MODESTO                95   62   96  /   0    0    0


$$
=

CAZ063-312300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 73 to 88 higher elevations...89 to 95 lower
elevations. Light winds becoming southeast up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 56 to 70 higher elevations...66 to
74 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the northwest after midnight.
.FRIDAY...Sunny. Highs 73 to 88 higher elevations...91 to
97 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Clear. Lows 56 to 70 higher elevations...66 to
72 lower elevations. Prevailing west winds up to 10 mph.
.SATURDAY...Sunny. Highs 73 to 88 higher elevations...90 to
96 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Clear. Lows 57 to 72.
.SUNDAY...Sunny. Highs 74 to 89.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 56 to 71. Highs
76 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          79   63   80  /  10    0   10


$$
=

CAZ066-312300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 82 to 96. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 62 to 72. Prevailing south winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 83 to 97. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 61 to 71. Prevailing south winds up
to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 81 to 93 higher elevations...88 to
96 lower elevations. Light winds.
.SATURDAY NIGHT...Clear. Lows 62 to 71.
.SUNDAY...Sunny. Highs 79 to 93.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67.
.MONDAY THROUGH TUESDAY NIGHT...Clear. Highs 79 to 94. Lows 57 to
72.
.WEDNESDAY...Sunny. Highs 84 to 98.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               88   69   88  /   0    0    0


$$
=

CAZ067-312300-
Motherlode-
Including the cities of Grass Valley and Jackson
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 84 to 94. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 58 to 68. Light winds.
.FRIDAY...Sunny. Highs 85 to 95. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 57 to 67. Prevailing southwest winds
up to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 85 to 95. Light winds becoming west up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 58 to 66.
.SUNDAY...Sunny. Highs 81 to 91.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 55 to 65. Highs 79 to
93.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows 61 to 69. Highs 83 to
97.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           87   61   88  /   0    0    0
JACKSON                90   61   90  /   0    0    0


$$
=

CAZ068-312300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 67 to 82 higher elevations...74 to 89 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 50 to 65. Prevailing southwest winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 69 to 84 higher elevations...75 to
90 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Clear. Lows 49 to 64. Prevailing southwest winds
up to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 68 to 83 higher elevations...74 to
89 lower elevations. Light winds becoming west up to 10 mph in
the afternoon.
.SATURDAY NIGHT...Clear. Lows 49 to 64.
.SUNDAY...Sunny. Highs 69 to 84.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 48 to 63. Highs
71 to 86.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 91   48   91  /  10    0   10
CHESTER                85   48   87  /  10    0   10


$$
=

CAZ069-312300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1253 PM PDT Thu Jul 31 2025

.TODAY...Sunny. Highs 66 to 81 higher elevations...79 to 89 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 44 to 59 higher elevations...55 to
68 lower elevations. Prevailing west winds up to 10 mph shifting
to the east after midnight.
.FRIDAY...Sunny. Highs 66 to 81 higher elevations...80 to
90 lower elevations. Prevailing southeast winds up to 10 mph
shifting to the southwest in the afternoon.
.FRIDAY NIGHT...Clear. Lows 43 to 58 higher elevations...54 to
68 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the east after midnight.
.SATURDAY...Sunny. Highs 67 to 82 higher elevations...80 to
90 lower elevations. Prevailing east winds up to 10 mph shifting
to the southwest in the afternoon.
.SATURDAY NIGHT...Clear. Lows 47 to 62.
.SUNDAY...Sunny. Highs 69 to 84.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 47 to 62. Highs
70 to 85.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            78   61   78  /   0    0    0


$$
=