518
FPUS56 KSTO 011912
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1212 PM PDT Mon Sep 1 2025

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


CAZ013-012300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1212 PM PDT Mon Sep 1 2025

.TODAY...Patchy smoke early in the morning. Sunny. Highs 81 to
96 higher elevations...92 to 102 lower elevations. Prevailing
northeast winds up to 10 mph shifting to the south in the
afternoon.
.TONIGHT...Clear. Lows 57 to 72 higher elevations...64 to
76 lower elevations. Light winds becoming north up to 10 mph
after midnight.
.TUESDAY...Sunny in the morning then becoming partly cloudy.
Warmer. Highs 84 to 99 higher elevations...94 to 103 lower
elevations. Prevailing northeast winds up to 10 mph shifting to
the south in the afternoon.
.TUESDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a slight chance of rain showers after midnight. Lows 55 to
70 higher elevations...62 to 73 lower elevations. Prevailing
southeast winds up to 10 mph shifting to the north after
midnight.
.WEDNESDAY...Mostly sunny. Highs 82 to 97 higher elevations...
92 to 102 lower elevations. Prevailing north winds up to 10 mph
shifting to the south in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 73.
.THURSDAY...Mostly sunny. Highs 84 to 99.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 52 to
67. Highs 82 to 97.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 88. Lows
50 to 65.

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


$$
=

CAZ014-012300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1212 PM PDT Mon Sep 1 2025

.TODAY...Patchy smoke early in the morning. Sunny. Highs 79 to
90 higher elevations...88 to 94 lower elevations. Light winds
becoming southwest up to 10 mph in the afternoon. Gusts up to
25 mph.
.TONIGHT...Areas of smoke in the evening. Clear. Lows 50 to 63.
Prevailing southwest winds up to 10 mph with gusts to around
25 mph in the evening becoming light.
.TUESDAY...Mostly sunny in the morning then becoming mostly
cloudy. Highs 82 to 95. Light winds becoming south up to 10 mph
in the afternoon.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A slight chance of rain showers. Lows 49 to 62.
Prevailing southwest winds up to 10 mph shifting to the southeast
after midnight.
.WEDNESDAY...Mostly sunny. Highs 79 to 89 higher elevations...
88 to 94 lower elevations. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows 49 to 63.
.THURSDAY...Mostly sunny. Highs 81 to 95.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 45 to
60. Highs 80 to 95.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 70 to 85. Lows
42 to 57.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 91   52   92  /   0    0    0


$$
=

CAZ015-012300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Highs around 99. Light winds becoming south up to
10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Clear. Lows 66 to 76. South winds up to 10 mph with
gusts to around 20 mph shifting to the north after midnight.
.TUESDAY...Mostly sunny. Highs 96 to 102. North winds up to
10 mph shifting to the south around 10 mph in the afternoon.
Gusts up to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows 64 to 72. Southeast winds up
to 10 mph with gusts to around 20 mph in the evening becoming
light.
.WEDNESDAY...Mostly sunny. Highs 94 to 100. Light winds.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 73.
.THURSDAY...Mostly sunny. Highs 94 to 102.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 60 to
70. Highs 91 to 101.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 83 to 91. Lows
59 to 66.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING               102   67  101  /   0    0    0
RED BLUFF             101   69  101  /   0    0    0


$$
=

CAZ016-012300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Highs around 99. Light winds becoming south up to
10 mph with gusts to around 20 mph in the afternoon.
.TONIGHT...Clear. Lows 64 to 74. Light winds.
.TUESDAY...Mostly sunny. Highs around 97. Southeast winds up to
10 mph with gusts to around 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows 61 to 69. Southeast winds up
to 10 mph.
.WEDNESDAY...Mostly sunny. Highs around 95. Southeast winds up to
10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 62 to 70.
.THURSDAY...Mostly sunny. Highs around 95.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 57 to
66. Highs 90 to 95.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs around 86. Lows
56 to 63.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                 101   72   98  /   0    0   10
OROVILLE              101   70   98  /   0    0   10
MARYSVILLE/YUBA CITY  102   67   99  /   0    0   10


$$
=

CAZ017-012300-
Southern Sacramento Valley-
Including the city of Sacramento
1212 PM PDT Mon Sep 1 2025

...HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TODAY...Sunny. Highs 98 to 104. Light winds.
.TONIGHT...Clear. Lows 64 to 74. Light winds.
.TUESDAY...Mostly sunny. Highs 94 to 102. South winds up to
10 mph with gusts to around 20 mph.
.TUESDAY NIGHT...Clear, cooler. Lows 58 to 68. Southwest winds up
to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly sunny. Highs 92 to 98. Southwest winds up to
10 mph.
.WEDNESDAY NIGHT...Clear. Lows 58 to 68.
.THURSDAY...Mostly sunny. Highs 90 to 98.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 55 to 64.
Highs 86 to 96.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO            103   68   98  /   0    0   10
SAC EXEC AIRPORT      102   67   98  /   0    0   10


$$
=

CAZ018-012300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Highs 94 to 100. West winds around 10 mph. Gusts
up to 25 mph in the morning.
.TONIGHT...Clear. Lows 61 to 69. West winds around 10 mph with
gusts to around 20 mph.
.TUESDAY...Mostly sunny. Highs 88 to 94. West winds 10 to 15 mph.
.TUESDAY NIGHT...Clear. Lows around 61. Southwest 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 86 to 92. West winds 10 to
15 mph with gusts to around 25 mph.
.WEDNESDAY NIGHT...Clear. Lows 57 to 63.
.THURSDAY...Mostly sunny. Highs 84 to 90.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 59.
Highs 82 to 88.
.SATURDAY NIGHT...Clear. Lows around 59.
.SUNDAY...Mostly sunny. Highs 80 to 86.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN      103   64   95  /   0    0   10


$$
=

CAZ019-012300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1212 PM PDT Mon Sep 1 2025

...HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TODAY...Sunny. Areas of smoke late in the afternoon. Highs 97 to
104. Northwest winds up to 10 mph.
.TONIGHT...Areas of smoke in the evening. Mostly clear. Lows
66 to 76. Northwest winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 94 to 101. West winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY NIGHT...Clear, cooler. Lows 60 to 70. Northwest winds up
to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs 90 to 98. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 70.
.THURSDAY...Mostly sunny. Highs 90 to 96.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 57 to 66.
Highs 85 to 95.
.SATURDAY NIGHT...Clear. Lows 57 to 63.
.SUNDAY...Mostly sunny. Highs 82 to 90.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON              104   68  101  /   0    0   10
MODESTO               102   72  101  /   0   10   10


$$
=

CAZ063-012300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Highs 77 to 92 higher elevations...94 to 99 lower
elevations. Prevailing south winds up to 10 mph.
.TONIGHT...Clear. Lows 62 to 76 higher elevations...71 to
79 lower elevations. Prevailing southwest winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 78 to 93 higher elevations...94 to
99 lower elevations. Prevailing north winds up to 10 mph shifting
to the southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Cooler. Lows 60 to 72 higher
elevations...67 to 75 lower elevations. Prevailing south winds up
to 10 mph shifting to the northwest after midnight.
.WEDNESDAY...Mostly sunny. Highs 76 to 91 higher elevations...
92 to 97 lower elevations. Prevailing north winds up to 10 mph
shifting to the east in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 76.
.THURSDAY...Mostly sunny. Highs 80 to 95.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 56 to
71. Highs 78 to 93.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 70 to 85. Lows
53 to 68.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          85   70   86  /   0    0   10


$$
=

CAZ066-012300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Highs 88 to 100. Prevailing east winds up to
10 mph shifting to the southwest in the afternoon.
.TONIGHT...Clear. Lows 67 to 80. Prevailing southeast winds up to
10 mph shifting to the east after midnight.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 88 to 100. Prevailing east winds up to 10 mph
shifting to the south in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 65 to 75. Prevailing east
winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 86 to 98. Prevailing east winds
up to 10 mph in the morning becoming light.
.WEDNESDAY NIGHT...Mostly clear. Lows 65 to 76.
.THURSDAY...Mostly sunny. Highs 86 to 98.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 59 to
72. Highs 82 to 97.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 75 to 89. Lows
57 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               94   77   93  /   0    0   10


$$
=

CAZ067-012300-
Motherlode-
Including the cities of Grass Valley and Jackson
1212 PM PDT Mon Sep 1 2025

...HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TODAY...Sunny. Areas of smoke in the afternoon. Highs 92 to 102.
Light winds becoming southwest up to 10 mph in the afternoon.
.TONIGHT...Areas of smoke in the evening. Mostly clear. Lows
69 to 77. Light winds becoming east up to 10 mph after midnight.
.TUESDAY...Areas of smoke in the morning. Mostly cloudy with a
slight chance of rain showers in the morning, then mostly sunny
in the afternoon. Highs 91 to 101. Prevailing east winds up to
10 mph shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Mostly clear. Cooler. Lows 63 to 73. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.WEDNESDAY...Sunny. Highs 88 to 96. Light winds becoming
southwest up to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 64 to 74.
.THURSDAY...Mostly sunny. Highs 86 to 96.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 57 to
70. Highs 80 to 95.
.SUNDAY...Mostly sunny. Highs 77 to 87.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           94   70   93  /   0    0   10
JACKSON                99   72   97  /   0    0   10


$$
=

CAZ068-012300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1212 PM PDT Mon Sep 1 2025

.TODAY...Mostly sunny. Highs 72 to 87 higher elevations...79 to
93 lower elevations. Prevailing southeast winds up to 10 mph
shifting to the southwest in the afternoon. Gusts up to 25 mph.
.TONIGHT...Clear. Lows 57 to 72. Prevailing southwest winds up to
10 mph shifting to the east after midnight.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 72 to 87 higher elevations...79 to 92 lower
elevations. Prevailing east winds up to 10 mph shifting to the
south in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 55 to 70. Prevailing southeast winds up to 10 mph
shifting to the east after midnight.
.WEDNESDAY...Mostly sunny. Highs 72 to 87 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.
.THURSDAY...Mostly sunny. Highs 75 to 90.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 50 to
65. Highs 74 to 89.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 66 to 81. Lows
47 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 94   52   92  /   0    0   20
CHESTER                89   52   88  /   0    0   20


$$
=

CAZ069-012300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1212 PM PDT Mon Sep 1 2025

.TODAY...Sunny. Areas of smoke late in the afternoon. Highs 72 to
87 higher elevations...86 to 98 lower elevations. Prevailing
southeast winds up to 10 mph shifting to the southwest in the
afternoon.
.TONIGHT...Mostly clear. Areas of smoke. Lows 52 to 67 higher
elevations...63 to 77 lower elevations. Prevailing southwest
winds up to 10 mph shifting to the east after midnight.
.TUESDAY...Mostly cloudy. A slight chance of rain showers in the
morning, then a slight chance of showers and thunderstorms in the
afternoon. At lower elevations, areas of smoke through the day.
At higher elevations, areas of smoke through the day. Highs 69 to
84 higher elevations...86 to 96 lower elevations. Prevailing east
winds up to 10 mph shifting to the south in the afternoon.
.TUESDAY NIGHT...Mostly clear. A slight chance of showers and
thunderstorms in the evening. Cooler. Lows 49 to 64 higher
elevations...59 to 74 lower elevations. Prevailing southeast
winds up to 10 mph shifting to the east after midnight.
.WEDNESDAY...Mostly sunny. 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 53 to 68.
.THURSDAY...Mostly sunny. Highs 73 to 88.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 50 to
65. Highs 72 to 87.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs 65 to 80. Lows
47 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            85   68   83  /   0    0   10


$$
=