677
FPUS56 KSTO 021923
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1222 PM 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
1222 PM 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...Mostly cloudy in the evening, then partly cloudy with
a slight chance of showers and thunderstorms after midnight. Lows
58 to 73. Light winds.
.WEDNESDAY...Mostly sunny. Areas of smoke in the afternoon. Highs
84 to 99 higher elevations...94 to 102 lower elevations.
Prevailing northeast winds up to 10 mph shifting to the south in
the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 72 higher
elevations...64 to 76 lower elevations. 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 54 to 69.
.FRIDAY...Mostly sunny. Highs 77 to 92.
.FRIDAY NIGHT...Mostly clear. Cooler. Lows 50 to 65.
.SATURDAY...Sunny. Highs 72 to 87.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 49 to
64. Highs 72 to 87.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 69 to 84.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM            101   73   99  /  10   10    0


$$
=

CAZ014-022300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
At higher elevations, a slight chance of rain showers in the
afternoon. Highs 83 to 96. Prevailing south winds up to 10 mph.
.TONIGHT...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms in the evening, then a slight chance of
showers and thunderstorms after midnight. Lows 49 to 64.
Prevailing south winds up to 10 mph in the evening becoming
light.
.WEDNESDAY...Mostly sunny. Areas of smoke in the afternoon. Highs
83 to 96. Light winds becoming southwest up to 10 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 63. Light winds.
.THURSDAY...Mostly sunny. Highs 79 to 90 higher elevations...
88 to 94 lower elevations. Light winds becoming west up to 10 mph
in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 47 to 61.
.FRIDAY...Mostly sunny. Highs 77 to 89.
.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  /  20   30   10


$$
=

CAZ015-022300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Highs 97 to 103. Northwest winds up to 10 mph with gusts to
around 30 mph shifting to the south in the afternoon.
.TONIGHT...Mostly clear. Lows 66 to 72. Southeast winds up to
10 mph.
.WEDNESDAY...Mostly sunny. Highs 95 to 101. Light winds becoming
south up to 10 mph with gusts to around 20 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 66 to 74. 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. Cooler. Lows 60 to 68.
.FRIDAY...Mostly sunny. Highs 86 to 92.
.FRIDAY NIGHT...Mostly clear. Lows 58 to 64.
.SATURDAY...Sunny. Highs around 86.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 58 to
65. Highs around 86.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs around 85.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING               102   67  100  /  10   10    0
RED BLUFF             100   68   99  /  10   10    0


$$
=

CAZ016-022300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1222 PM PDT Tue Sep 2 2025

.TODAY...Partly cloudy with a slight chance of rain showers until
late afternoon, then mostly sunny late in the afternoon. Highs
around 97. Northwest winds up to 10 mph with gusts to around
30 mph shifting to the southeast with gusts to around 20 mph in
the afternoon.
.TONIGHT...Mostly clear. Lows 61 to 69. Southeast winds up to
10 mph.
.WEDNESDAY...Mostly sunny. Highs around 95. Light winds becoming
south up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 62 to 70. Southeast winds
up to 10 mph.
.THURSDAY...Mostly sunny. Highs around 94. Southeast winds up to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 64.
.FRIDAY...Mostly sunny. Highs around 87.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 56 to 62. Highs
around 86.
.SATURDAY NIGHT...Clear. Lows 56 to 62.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs around 85. Lows
56 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  98   70   97  /  20   10    0
OROVILLE               98   67   96  /  20   10    0
MARYSVILLE/YUBA CITY   99   63   96  /  30   10    0


$$
=

CAZ017-022300-
Southern Sacramento Valley-
Including the city of Sacramento
1222 PM PDT Tue Sep 2 2025

.TODAY...Partly cloudy with a slight chance of rain showers in
the morning, then sunny with a chance of rain showers early in
the afternoon. Sunny late in the afternoon. Highs 95 to 101.
North winds up to 10 mph shifting to the south in the afternoon.
Gusts up to 25 mph.
.TONIGHT...Clear, cooler. Lows 59 to 66. South winds up to 10 mph
with gusts to around 20 mph.
.WEDNESDAY...Mostly sunny. Highs 90 to 98. Southwest winds up to
10 mph.
.WEDNESDAY NIGHT...Clear. Lows 59 to 69. Southwest winds up to
10 mph with gusts to around 20 mph.
.THURSDAY...Sunny. Highs 89 to 97. South winds up to 10 mph with
gusts to around 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 56 to 64.
.FRIDAY...Mostly sunny. Highs 82 to 90.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 55 to 63. Highs
82 to 90.
.SATURDAY NIGHT...Clear. Lows 56 to 63.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 82 to 89. Lows 56 to
63.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             99   63   95  /  30   10    0
SAC EXEC AIRPORT       96   62   94  /  30   10    0


$$
=

CAZ018-022300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly sunny. A slight chance of rain showers early in
the morning. Highs 89 to 95. West winds up to 15 mph with gusts
to around 25 mph.
.TONIGHT...Clear. Lows 57 to 63. West winds 10 to 15 mph with
gusts to around 25 mph.
.WEDNESDAY...Sunny. Near the bay, mostly cloudy in the morning
then clearing. Mostly sunny. Highs 85 to 91. West winds 10 to
15 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Clear. Lows 57 to 63. West winds 10 to 15 mph
with gusts to around 25 mph.
.THURSDAY...Sunny. Near the bay, mostly cloudy in the morning
then clearing. Highs 82 to 88. Southwest winds 10 to 15 mph with
gusts to around 25 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60.
.FRIDAY...Mostly sunny. Highs 78 to 84.
.FRIDAY NIGHT...Clear. Lows around 59.
.SATURDAY...Mostly sunny. Highs 79 to 85.
.SATURDAY NIGHT...Clear. Lows around 60.
.SUNDAY...Mostly sunny. Highs 80 to 86.
.SUNDAY NIGHT...Clear. Lows around 59.
.MONDAY...Mostly sunny. Highs 79 to 85.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       95   59   92  /  20   10    0


$$
=

CAZ019-022300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms early in the morning, then partly cloudy
with a chance of rain showers in the late morning and afternoon.
Highs 94 to 101. Southeast winds up to 10 mph with gusts to
around 30 mph shifting to the southwest with gusts to around
20 mph in the afternoon.
.TONIGHT...Clear, cooler. Lows 60 to 68. Northwest winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs 91 to 97. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 70. Northwest winds up to
10 mph.
.THURSDAY...Sunny. Highs 89 to 95. Northwest winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 57 to 65.
.FRIDAY...Sunny. Highs 83 to 89.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Clear. Lows 56 to 64. Highs
81 to 90.
.MONDAY...Mostly sunny. Highs 80 to 88.

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


$$
=

CAZ063-022300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly sunny. Highs 79 to 94 higher elevations...95 to
100 lower elevations. Prevailing west winds up to 10 mph shifting
to the east in the afternoon. Gusts up to 25 mph.
.TONIGHT...Clear, cooler. Lows 60 to 72 higher elevations...68 to
76 lower elevations. Prevailing south winds up to 10 mph shifting
to the north after midnight.
.WEDNESDAY...Mostly sunny. Highs 76 to 91 higher elevations...
93 to 98 lower elevations. Prevailing northeast winds up to
10 mph shifting to the southeast 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 98 lower elevations. Light winds becoming southeast up to
10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 56 to 70.
.FRIDAY...Mostly sunny. Highs 72 to 87.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 52 to 67.
Highs 70 to 85.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 67 to 82.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          86   65   83  /  10   10    0


$$
=

CAZ066-022300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly sunny early in the morning, then partly cloudy
with a slight chance of rain showers in the late morning and
early afternoon. Mostly cloudy late in the afternoon. Highs 89 to
101. Prevailing east winds up to 10 mph with gusts to around
30 mph shifting to the south in the afternoon.
.TONIGHT...Mostly clear. A slight chance of rain showers in the
evening, then a slight chance of showers and thunderstorms after
midnight. Cooler. Lows 64 to 74. Prevailing east winds up to
10 mph.
.WEDNESDAY...Mostly sunny. Highs 85 to 99. Light winds becoming
southwest up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 77. 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 71.
.FRIDAY...Mostly sunny. Highs 79 to 91.
.FRIDAY NIGHT...Mostly clear. Lows 57 to 66.
.SATURDAY...Sunny. Highs 74 to 86.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 56 to 67.
Highs 73 to 87.

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


$$
=

CAZ067-022300-
Motherlode-
Including the cities of Grass Valley and Jackson
1222 PM PDT Tue Sep 2 2025

.TODAY...Mostly cloudy in the morning then becoming partly
cloudy. Areas of smoke through the day. A chance of rain showers
early in the morning. A slight chance of rain showers late in the
morning, then a chance of rain showers early in the afternoon. A
slight chance of thunderstorms in the afternoon. A slight chance
of rain showers late in the afternoon. Highs 91 to 99. Prevailing
east winds up to 10 mph shifting to the south in the afternoon.
Gusts up to 25 mph.
.TONIGHT...Mostly clear. Cooler. Lows 63 to 73. Prevailing south
winds up to 10 mph in the evening becoming light.
.WEDNESDAY...Sunny. Areas of smoke. Highs 88 to 96. Light winds
becoming west up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 64 to 74. Light winds.
.THURSDAY...Sunny. Highs 85 to 95. Light winds becoming southwest
up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Cooler. Lows 59 to 69.
.FRIDAY...Sunny. Highs 81 to 89.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 55 to 65. Highs
76 to 89.
.SATURDAY NIGHT...Clear. Lows 55 to 63.
.SUNDAY THROUGH MONDAY...Mostly clear. Highs 75 to 87. Lows 54 to
64.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           92   64   89  /  30   20    0
JACKSON                95   66   92  /  30   10    0


$$
=

CAZ068-022300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1222 PM PDT Tue Sep 2 2025

.TODAY...Partly cloudy in the morning, then mostly cloudy with a
slight chance of rain showers in the afternoon. 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...Mostly cloudy in the evening then becoming partly
cloudy. A slight chance of showers and thunderstorms. Cooler.
Lows 53 to 68. Prevailing east winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Areas of smoke. Highs 72 to 87 higher
elevations...79 to 94 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 52 to 67.
.FRIDAY...Mostly sunny. Highs 70 to 85.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 45 to 60. Highs
66 to 81.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 94   51   94  /  30   40   10
CHESTER                89   52   89  /  30   40   10


$$
=

CAZ069-022300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1222 PM 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 until late 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. At lower elevations, areas of smoke
after midnight. At higher elevations, areas of smoke after
midnight. Cooler. Lows 49 to 64 higher elevations...59 to
73 lower elevations. Prevailing east winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Areas of smoke through the day. At
higher elevations, a slight chance of showers and thunderstorms
in the afternoon. Highs 70 to 85 higher elevations...84 to
94 lower elevations. Prevailing east winds up to 10 mph shifting
to the southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. A slight chance of rain showers
in the evening. Areas of smoke after midnight. Lows 49 to
64 higher elevations...59 to 74 lower elevations. Light winds
becoming northeast up to 10 mph after midnight.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms 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. Lows 51 to 66.
.FRIDAY...Mostly sunny. Highs 69 to 84.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 45 to 60. Highs
66 to 81.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            84   65   82  /  30   30   10


$$
=