426
FPUS56 KSTO 021222
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
522 AM PDT Tue Sep 2 2025

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


CAZ013-022300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 AM PDT Tue Sep 2 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Highs 84 to 99 higher elevations...95 to 103 lower elevations.
Prevailing northeast winds up to 10 mph shifting to the south in
the afternoon.
.TONIGHT...Partly cloudy. At higher elevations, a slight chance
of rain showers after midnight. Cooler. Lows 55 to 70 higher
elevations...63 to 73 lower elevations. Light winds.
.WEDNESDAY...Mostly sunny. Highs 83 to 98 higher elevations...
93 to 101 lower elevations. Prevailing northeast winds up to
10 mph shifting to the south in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 73. Light winds.
.THURSDAY...Mostly sunny. Highs 82 to 97 higher elevations...
92 to 100 lower elevations. Light winds becoming south up to
10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 53 to 68.
.FRIDAY...Mostly sunny. Highs 77 to 92.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 50 to 65.
Highs 75 to 90.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 69 to 84.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM            101   71   99  /  10   10    0


$$
=

CAZ014-022300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 AM PDT Tue Sep 2 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Highs 83 to 96. Light winds becoming southwest up to 10 mph in
the afternoon.
.TONIGHT...Mostly cloudy in the evening, then partly cloudy with
a slight chance of rain showers after midnight. Lows 49 to 62.
Prevailing southeast winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 83 to 96. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 64. Light winds.
.THURSDAY...Mostly sunny. Highs 81 to 94. Light winds becoming
west up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 47 to 59.
.FRIDAY...Mostly sunny. Highs 77 to 88.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 41 to 56.
Highs 72 to 87.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 68 to 79.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 93   53   92  /  10   20    0


$$
=

CAZ015-022300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 AM PDT Tue Sep 2 2025

.TODAY...Mostly sunny in the morning then becoming partly cloudy.
Highs 96 to 102. North winds up to 10 mph shifting to the
southeast around 10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Mostly clear. Lows 65 to 71. Southeast winds up to
10 mph. Gusts up to 20 mph in the evening.
.WEDNESDAY...Mostly sunny. Highs 95 to 101. Light winds becoming
south up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 73. South winds up to
10 mph in the evening becoming light.
.THURSDAY...Mostly sunny. Highs 94 to 100. Light winds becoming
south up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 60 to 68.
.FRIDAY...Mostly sunny. Highs 86 to 92.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 58 to 66. Highs
84 to 92.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING               102   66  100  /   0   10    0
RED BLUFF              99   67   98  /  10   10    0


$$
=

CAZ016-022300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy with a slight chance of rain showers early
in the morning, then partly cloudy in the late morning and
afternoon. Highs around 97. North winds up to 10 mph shifting to
the southeast around 10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Clear. Lows 60 to 68. Southeast winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs around 95. Southeast winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 69. South winds up to
10 mph.
.THURSDAY...Mostly sunny. Highs around 94. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 63.
.FRIDAY...Mostly sunny. Highs around 87.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 56 to 62. Highs
around 87.
.SATURDAY NIGHT...Clear. Lows 56 to 62.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs around 85. Lows
56 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  98   69   96  /  10   10    0
OROVILLE               98   66   96  /  20   10    0
MARYSVILLE/YUBA CITY   98   62   96  /  20   10    0


$$
=

CAZ017-022300-
Southern Sacramento Valley-
Including the city of Sacramento
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy with a slight chance of rain showers early
in the morning, then mostly sunny in the late morning and early
afternoon. Mostly sunny with a slight chance of rain showers late
in the afternoon. Highs 95 to 101. South winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear, cooler. Lows 58 to 67. South winds up to 10 mph
with gusts to around 20 mph.
.WEDNESDAY...Mostly sunny. Highs 91 to 97. Southwest winds up to
10 mph.
.WEDNESDAY NIGHT...Clear. Lows 57 to 67. Southwest winds up to
10 mph with gusts to around 20 mph.
.THURSDAY...Mostly sunny. Highs 88 to 96. South winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 56 to 63.
.FRIDAY...Mostly sunny. Highs 84 to 90.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 55 to 62. Highs
83 to 90.
.SATURDAY NIGHT...Clear. Lows 55 to 63.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 82 to 89. Lows 55 to
63.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             99   62   95  /  20   10    0
SAC EXEC AIRPORT       96   61   93  /  20   10    0


$$
=

CAZ018-022300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 AM PDT Tue Sep 2 2025

.TODAY...Sunny. A slight chance of rain showers early in the
morning. Highs 89 to 95. West winds 10 to 15 mph.
.TONIGHT...Clear. Lows around 60. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.WEDNESDAY...Mostly sunny. Near the bay, mostly cloudy in the
morning then clearing. Highs 85 to 91. West winds 10 to 15 mph
with gusts to around 25 mph.
.WEDNESDAY NIGHT...Clear. Lows 57 to 63. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.THURSDAY...Mostly sunny. Near the bay, mostly cloudy in the
morning then clearing. Highs 82 to 88...except 76 to 82 near the
bay. Southwest winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 59.
.FRIDAY...Mostly sunny. Highs 79 to 85.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows around 58. Highs
79 to 85.
.SATURDAY NIGHT...Clear. Lows around 59.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 79 to 85. Lows
around 59.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       95   59   91  /  20   10    0


$$
=

CAZ019-022300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy in the morning then clearing. A slight
chance of rain showers. Highs 95 to 101. West winds up to 10 mph
with gusts to around 20 mph.
.TONIGHT...Clear, cooler. Lows 59 to 69. Northwest winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly sunny. Highs 90 to 96. Northwest winds up to
10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 70. Northwest winds up to
10 mph with gusts to around 20 mph.
.THURSDAY...Sunny. Highs 89 to 95. Northwest winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 65.
.FRIDAY...Sunny. Highs 84 to 90.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Clear. Lows 56 to 64.
Highs 83 to 90.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 83 to 89. Lows
56 to 64.
.MONDAY...Sunny. Highs 81 to 87.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON              101   62   96  /  30   10    0
MODESTO               101   66   96  /  30   10    0


$$
=

CAZ063-022300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 AM PDT Tue Sep 2 2025

.TODAY...Mostly sunny. Highs 79 to 94 higher elevations...95 to
100 lower elevations. Prevailing north winds up to 10 mph
shifting to the southeast in the afternoon.
.TONIGHT...Clear, cooler. Lows 59 to 71 higher elevations...67 to
75 lower elevations. Prevailing south winds up to 10 mph shifting
to the west after midnight.
.WEDNESDAY...Mostly sunny. Highs 76 to 91 higher elevations...
92 to 98 lower elevations. Prevailing north winds up to 10 mph
shifting to the east in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 73 higher
elevations...69 to 77 lower elevations. Prevailing south winds up
to 10 mph shifting to the northwest after midnight.
.THURSDAY...Mostly sunny. Highs 76 to 91 higher elevations...
92 to 97 lower elevations. Light winds becoming southeast up to
10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 55 to 69.
.FRIDAY...Mostly sunny. Highs 73 to 88.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 53 to 68.
Highs 72 to 87.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 67 to 82.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          86   64   84  /  10   10    0


$$
=

CAZ066-022300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 89 to 101. Prevailing east winds up to 10 mph
shifting to the southwest in the afternoon.
.TONIGHT...Mostly clear. Cooler. Lows 64 to 74. Prevailing east
winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 86 to 98. Prevailing northeast
winds up to 10 mph in the morning becoming light.
.WEDNESDAY NIGHT...Mostly clear. Lows 66 to 76. Light winds.
.THURSDAY...Mostly sunny. Highs 85 to 97. Light winds becoming
southwest up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 61 to 69.
.FRIDAY...Mostly sunny. Highs 79 to 91.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 56 to 67. Highs
75 to 90.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               93   71   90  /  20   10    0


$$
=

CAZ067-022300-
Motherlode-
Including the cities of Grass Valley and Jackson
522 AM PDT Tue Sep 2 2025

.TODAY...Mostly cloudy. Areas of smoke until late afternoon. A
slight chance of rain showers in the morning, then a slight
chance of showers and thunderstorms in the afternoon. Highs 89 to
99. Prevailing east winds up to 10 mph shifting to the south in
the afternoon.
.TONIGHT...Mostly clear. Cooler. Lows 63 to 73. Light winds.
.WEDNESDAY...Mostly sunny. Highs 87 to 95. Light winds becoming
west up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 64 to 74. Light winds.
.THURSDAY...Mostly sunny. Highs 86 to 94. Light winds becoming
southwest up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 58 to 68.
.FRIDAY...Mostly sunny. Highs 81 to 89.
.FRIDAY NIGHT...Mostly clear. Lows 56 to 66.
.SATURDAY AND SATURDAY NIGHT...Clear. Highs 77 to 87. Lows 55 to
66.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 77 to 87. Lows
55 to 65.
.MONDAY...Sunny. Highs 75 to 85.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           91   65   89  /  20   10    0
JACKSON                95   66   92  /  30   10    0


$$
=

CAZ068-022300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 73 to 88 higher elevations...80 to 94 lower
elevations. Prevailing east winds up to 10 mph shifting to the
south in the afternoon.
.TONIGHT...Partly cloudy. At lower elevations, a slight chance of
rain showers in the evening. At higher elevations, a slight
chance of showers and thunderstorms in the evening, then a slight
chance of rain showers after midnight. Cooler. Lows 54 to 69.
Prevailing east winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 73 to 88 higher elevations...
78 to 93 lower elevations. Prevailing east winds up to 10 mph
shifting to the southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 70. Light winds.
.THURSDAY...Mostly sunny. Highs 71 to 86 higher elevations...
77 to 92 lower elevations. Light winds becoming southwest up to
10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 51 to 66.
.FRIDAY...Mostly sunny. Highs 70 to 85.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 47 to 62. Highs
66 to 81.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 94   50   94  /  20   30   10
CHESTER                89   51   90  /  10   20   10


$$
=

CAZ069-022300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 AM PDT Tue Sep 2 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Areas of smoke through the day. A slight chance of rain
showers early in the morning. A slight chance of rain showers
early in the afternoon. A slight chance of thunderstorms in the
afternoon. A chance of rain showers late in the afternoon. Highs
71 to 86 higher elevations...86 to 96 lower elevations.
Prevailing east winds up to 10 mph shifting to the south in the
afternoon.
.TONIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Cooler. Lows 49 to 64 higher
elevations...60 to 74 lower elevations. Prevailing east winds up
to 10 mph.
.WEDNESDAY...Mostly sunny. At higher elevations, a slight chance
of showers and thunderstorms in the afternoon. Highs 70 to
85 higher elevations...83 to 93 lower elevations. Prevailing east
winds up to 10 mph shifting to the southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 65 higher
elevations...60 to 74 lower elevations. Light winds becoming
northeast up to 10 mph after midnight.
.THURSDAY...Mostly sunny. A slight chance of rain showers in the
afternoon. Highs 68 to 83 higher elevations...82 to 92 lower
elevations. Prevailing east winds up to 10 mph shifting to the
west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 50 to 65.
.FRIDAY...Mostly sunny. Highs 69 to 84.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 46 to 61. Highs
66 to 81.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            84   67   83  /  20   30    0


$$
=