209
FPUS56 KSTO 311933
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1232 PM PDT Sun Aug 31 2025

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


CAZ013-312300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1232 PM PDT Sun Aug 31 2025

.TODAY...Patchy smoke in the morning. Mostly sunny. Highs 81 to
96 higher elevations...91 to 100 lower elevations. Light winds
becoming south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 53 to
68 higher elevations...61 to 72 lower elevations. Prevailing
southwest winds up to 10 mph shifting to the north after
midnight.
.LABOR DAY...Patchy smoke in the morning. Sunny. Highs 81 to
96 higher elevations...93 to 102 lower elevations. Prevailing
northeast winds up to 10 mph shifting to the south in the
afternoon.
.MONDAY NIGHT...Clear. Patchy smoke after midnight. Lows 57 to
72 higher elevations...64 to 76 lower elevations. Prevailing
southwest winds up to 10 mph shifting to the north after
midnight.
.TUESDAY...Sunny. Highs 85 to 100 higher elevations...94 to
103 lower elevations. Prevailing north winds up to 10 mph
shifting to the southeast in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 56 to 71.
.WEDNESDAY...Mostly sunny. Highs 83 to 98.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 56 to 71.
Highs 83 to 98.
.THURSDAY NIGHT...Partly cloudy. Lows 55 to 70.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 79 to 94. Lows
54 to 69.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             98   70  100  /   0    0    0


$$
=

CAZ014-312300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1232 PM PDT Sun Aug 31 2025

.TODAY...Patchy smoke early in the morning. Mostly sunny. Highs
82 to 93. Light winds becoming southwest up to 10 mph with gusts
to around 25 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 47 to 59. Prevailing southwest
winds up to 10 mph in the evening becoming light. Gusts up to
25 mph.
.LABOR DAY...Sunny. Highs 81 to 94. Light winds becoming
southwest up to 10 mph in the afternoon. Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 50 to 62. Prevailing southwest winds
up to 10 mph with gusts to around 25 mph in the evening becoming
light.
.TUESDAY...Mostly sunny. Highs 81 to 92 higher elevations...90 to
96 lower elevations. Light winds.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 61.
.WEDNESDAY...Mostly sunny. Highs 80 to 92.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 48 to 61.
Highs 80 to 93.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 46 to
61. Highs 79 to 93.
.SATURDAY...Mostly sunny. Highs 76 to 87.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 90   49   91  /   0    0    0


$$
=

CAZ015-312300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1232 PM PDT Sun Aug 31 2025

.TODAY...Patchy smoke in the morning. Mostly sunny. Highs around
98. Light winds becoming southeast up to 10 mph in the afternoon.
Gusts up to 20 mph.
.TONIGHT...Mostly clear. Lows 62 to 72. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.LABOR DAY...Sunny. Highs around 100. Light winds becoming south
up to 10 mph with gusts to around 20 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows 66 to 76. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.TUESDAY...Mostly sunny. Highs 96 to 102. North winds up to
10 mph shifting to the south in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 66 to 72.
.WEDNESDAY...Mostly sunny. Highs 94 to 100.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 64 to 72.
Highs 94 to 100.
.THURSDAY NIGHT...Partly cloudy. Lows 63 to 71.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 88 to 98. Lows
60 to 70.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING               100   62  102  /   0    0    0
RED BLUFF              99   64  101  /   0    0    0


$$
=

CAZ016-312300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1232 PM PDT Sun Aug 31 2025

.TODAY...Sunny. Highs around 97. Light winds becoming south up to
10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Clear. Lows 60 to 70. South winds up to 10 mph with
gusts to around 20 mph in the evening becoming light.
.LABOR DAY...Sunny. Highs around 99. Light winds becoming
southwest up to 10 mph with gusts to around 20 mph in the
afternoon.
.MONDAY NIGHT...Clear. Lows 64 to 73. South winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.TUESDAY...Mostly sunny. Highs around 96. Light winds becoming
southeast around 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 69.
.WEDNESDAY...Mostly sunny. Highs around 94.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 61 to 69.
Highs around 94.
.THURSDAY NIGHT...Partly cloudy. Lows 59 to 67.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs around 90. Lows
57 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  98   69  100  /   0    0    0
OROVILLE               99   67  101  /   0    0    0
MARYSVILLE/YUBA CITY  100   64  102  /   0    0    0


$$
=

CAZ017-312300-
Southern Sacramento Valley-
Including the city of Sacramento
1232 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TODAY...Sunny. Highs 97 to 103. West winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear. Lows 61 to 71. South winds up to 10 mph. Gusts
up to 20 mph in the evening.
.LABOR DAY...Sunny. Highs 98 to 104. Southwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 62 to 72. Southwest winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 93 to 99. South winds up to
10 mph.
.TUESDAY NIGHT...Clear. Lows 60 to 68.
.WEDNESDAY...Mostly sunny. Highs 91 to 97.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 57 to
67. Highs 88 to 98.
.SATURDAY...Mostly sunny. Highs 85 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO            101   66  103  /   0    0    0
SAC EXEC AIRPORT      100   64  102  /   0    0    0


$$
=

CAZ018-312300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1232 PM PDT Sun Aug 31 2025

.TODAY...Sunny. Highs 94 to 100. West winds up to 15 mph.
.TONIGHT...Clear. Lows 61 to 67. West winds 10 to 15 mph with
gusts to around 25 mph.
.LABOR DAY...Sunny. Highs 93 to 99. West winds around 10 mph with
gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows 60 to 66. West winds 10 to 15 mph.
.TUESDAY...Mostly sunny. Highs 87 to 93...except 81 to 87 near
the bay. Southwest winds 10 to 15 mph with gusts to around
25 mph.
.TUESDAY NIGHT...Mostly clear. Lows 58 to 64.
.WEDNESDAY...Sunny. Highs 85 to 91.
.WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows around 59.
Highs 83 to 89.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN      101   63  102  /   0    0    0


$$
=

CAZ019-312300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1232 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TODAY...Sunny. Highs 96 to 102. Northwest winds up to 15 mph.
.TONIGHT...Clear. Lows 64 to 74. Northwest winds up to 10 mph.
Gusts up to 25 mph in the evening.
.LABOR DAY...Sunny. Highs 96 to 103. Northwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 64 to 74. Northwest winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 92 to 100. West winds up to
10 mph.
.TUESDAY NIGHT...Clear. Lows 60 to 68.
.WEDNESDAY...Sunny. Highs 90 to 96.
.WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 58 to 68.
Highs 86 to 96.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON              103   66  103  /   0    0    0
MODESTO               101   69  102  /   0    0    0


$$
=

CAZ063-312300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1232 PM PDT Sun Aug 31 2025

.TODAY...Mostly sunny. Patchy smoke late in the morning. Highs
76 to 91 higher elevations...92 to 98 lower elevations.
Prevailing southeast winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 57 to 71 higher elevations...66 to
74 lower elevations. Prevailing west winds up to 10 mph.
.LABOR DAY...Sunny. Highs 77 to 92 higher elevations...94 to
100 lower elevations. Prevailing west winds up to 10 mph shifting
to the southeast in the afternoon.
.MONDAY NIGHT...Clear. Lows 62 to 76 higher elevations...71 to
79 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the west after midnight.
.TUESDAY...Mostly sunny. Highs 78 to 93 higher elevations...94 to
99 lower elevations. Prevailing northwest winds up to 10 mph
shifting to the southeast in the afternoon.
.TUESDAY NIGHT...Mostly clear. Cooler. Lows 60 to 75.
.WEDNESDAY...Mostly sunny. Highs 79 to 94.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 60 to 75.
Highs 79 to 94.
.THURSDAY NIGHT...Partly cloudy. Lows 59 to 73.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 74 to 89. Lows
57 to 72.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          83   65   85  /   0    0    0


$$
=

CAZ066-312300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1232 PM PDT Sun Aug 31 2025

.TODAY...Mostly sunny. Highs 87 to 99. Prevailing east winds up
to 10 mph shifting to the south in the afternoon.
.TONIGHT...Mostly clear. Lows 64 to 76. Prevailing southeast
winds up to 10 mph.
.LABOR DAY...Sunny. Highs 89 to 101. Prevailing east winds up to
10 mph shifting to the southwest in the afternoon.
.MONDAY NIGHT...Clear. Lows 67 to 79. Prevailing south winds up
to 10 mph shifting to the east after midnight.
.TUESDAY...Sunny in the morning then becoming partly cloudy.
Highs 86 to 100. Prevailing east winds up to 10 mph shifting to
the southwest in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 64 to 74.
.WEDNESDAY...Mostly sunny. Highs 85 to 97.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 65 to 75.
Highs 85 to 97.
.THURSDAY NIGHT...Partly cloudy. Lows 63 to 73.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 80 to 95. Lows
60 to 73.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               92   74   94  /   0    0    0


$$
=

CAZ067-312300-
Motherlode-
Including the cities of Grass Valley and Jackson
1232 PM PDT Sun Aug 31 2025

...HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY...

.TODAY...Sunny. Highs 90 to 100. Light winds becoming west up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 66 to 76. Prevailing west winds up to
10 mph in the evening becoming light.
.LABOR DAY...Sunny. Patchy smoke in the afternoon. Highs 92 to
102. Light winds becoming southwest up to 10 mph in the
afternoon.
.MONDAY NIGHT...Clear. Lows 67 to 75. Light winds.
.TUESDAY...Mostly sunny. Highs 88 to 98. Light winds becoming
southwest up to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 63 to 73.
.WEDNESDAY...Sunny. Highs 86 to 96.
.WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 59 to 73.
Highs 81 to 96.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           93   67   94  /   0    0    0
JACKSON                97   70   99  /   0    0    0


$$
=

CAZ068-312300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1232 PM PDT Sun Aug 31 2025

.TODAY...Sunny. Highs 71 to 86 higher elevations...78 to 92 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Mostly clear. Lows 54 to 69. Prevailing south winds up
to 10 mph shifting to the southeast after midnight.
.LABOR DAY...Sunny. Highs 72 to 87 higher elevations...80 to
94 lower elevations. Prevailing southeast winds up to 10 mph
shifting to the southwest in the afternoon. Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 56 to 71. Prevailing southwest winds
up to 10 mph shifting to the east after midnight.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 73 to 88 higher elevations...79 to 94 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. Cooler. Lows 52 to 67.
.WEDNESDAY...Mostly sunny. Highs 74 to 89.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 54 to 69.
Highs 75 to 90.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 51 to
66. Highs 74 to 89.
.SATURDAY...Mostly sunny. Highs 69 to 84.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 93   49   95  /   0    0    0
CHESTER                88   49   89  /   0    0    0


$$
=

CAZ069-312300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1232 PM PDT Sun Aug 31 2025

.TODAY...Sunny. Highs 71 to 86 higher elevations...84 to 96 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 49 to 64 higher elevations...60 to
75 lower elevations. Prevailing west winds up to 10 mph shifting
to the east after midnight.
.LABOR DAY...Sunny. Patchy smoke in the afternoon. Highs 72 to
87 higher elevations...87 to 97 lower elevations. Prevailing
southeast winds up to 10 mph shifting to the southwest in the
afternoon.
.MONDAY NIGHT...Mostly clear. Patchy smoke. Lows 51 to 66 higher
elevations...61 to 76 lower elevations. Prevailing west winds up
to 10 mph shifting to the east after midnight.
.TUESDAY...Partly cloudy. A slight chance of rain showers in the
morning, then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. Highs 69 to 84 higher
elevations...84 to 94 lower elevations. Prevailing east winds up
to 10 mph shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Cooler. Lows 51 to 66.
.WEDNESDAY...Mostly sunny. Highs 73 to 88.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 52 to 67.
Highs 73 to 88.
.FRIDAY NIGHT...Partly cloudy. Cooler. Lows 49 to 64.
.SATURDAY...Mostly sunny. Highs 68 to 83.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            83   66   85  /   0    0    0


$$
=