Zone Forecast Product
Issued by NWS Sacramento, CA

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FPUS56 KSTO 061723
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1022 AM PDT Wed Aug 6 2025

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


CAZ013-062300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1022 AM PDT Wed Aug 6 2025

.TODAY...Mostly sunny. Highs 77 to 92 higher elevations...88 to
98 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.TONIGHT...Mostly clear. Lows 51 to 66 higher elevations...61 to
70 lower elevations. Prevailing west winds up to 10 mph shifting
to the north after midnight.
.THURSDAY...Mostly sunny. Highs 79 to 94 higher elevations...
90 to 100 lower elevations. Prevailing north winds up to 10 mph
in the morning becoming light.
.THURSDAY NIGHT...Mostly clear. Lows 52 to 67 higher elevations...
61 to 71 lower elevations. Prevailing west winds up to 10 mph
shifting to the north after midnight.
.FRIDAY...Mostly sunny. Warmer. Highs 84 to 99 higher
elevations...95 to 103 lower elevations. Prevailing northeast
winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 71.
.SATURDAY...Sunny. Highs 88 to 103.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 58 to 73. Highs
89 to 104.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 60 to 75. Highs 88 to
103.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             95   69   97  /   0    0    0


$$
=

CAZ014-062300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1022 AM PDT Wed Aug 6 2025

.TODAY...Mostly sunny. Highs 76 to 87. Light winds becoming west
up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 45 to 58. Prevailing west winds up
to 10 mph in the evening becoming light.
.THURSDAY...Mostly sunny. Highs 78 to 90. Light winds becoming
northwest up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 44 to 57. Prevailing west
winds up to 10 mph in the evening becoming light.
.FRIDAY...Mostly sunny. Highs 81 to 93. Light winds.
.FRIDAY NIGHT...Clear. Lows 48 to 61.
.SATURDAY...Sunny. Highs 85 to 96.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 51 to 63. Highs
85 to 98.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 52 to 66. Highs 85 to
99.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 84   51   87  /   0    0    0


$$
=

CAZ015-062300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1022 AM PDT Wed Aug 6 2025

.TODAY...Mostly sunny. Highs around 94. Light winds becoming
south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 65 to 71. Southwest winds up to
10 mph shifting to the northwest after midnight.
.THURSDAY...Sunny. Highs 93 to 99. North winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 66 to 72. South winds up to
10 mph shifting to the north after midnight.
.FRIDAY...Mostly sunny. Highs 97 to 103. North winds up to
10 mph.
.FRIDAY NIGHT...Clear. Lows 68 to 74.
.SATURDAY...Sunny. Highs 98 to 106.
.SATURDAY NIGHT...Mostly clear. Lows 68 to 74.
.SUNDAY THROUGH MONDAY NIGHT...Clear. Highs 97 to 106. Lows 66 to
74.
.TUESDAY...Mostly sunny. Highs 94 to 102.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                96   66   99  /   0    0    0
RED BLUFF              96   68   98  /   0    0    0


$$
=

CAZ016-062300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs around 93. Light winds becoming south up to
10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 63 to 69. South winds up to 10 mph
in the evening becoming light.
.THURSDAY...Mostly sunny. Highs around 94. Light winds becoming
south up to 10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 62 to 70. Southeast winds up
to 10 mph.
.FRIDAY...Sunny. Highs 95 to 101. North winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 66 to 72.
.SATURDAY...Sunny. Highs around 99.
.SATURDAY NIGHT THROUGH TUESDAY...Clear. Lows 61 to 71. Highs
around 97.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  95   71   96  /   0    0    0
OROVILLE               95   68   96  /   0    0    0
MARYSVILLE/YUBA CITY   95   64   96  /   0    0    0


$$
=

CAZ017-062300-
Southern Sacramento Valley-
Including the city of Sacramento
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 92 to 98. Light winds becoming west up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 58 to 68. South winds up to 10 mph.
.THURSDAY...Sunny. Highs 92 to 98. South winds up to 10 mph.
.THURSDAY NIGHT...Clear. Lows 58 to 68. South winds up to 10 mph.
.FRIDAY...Sunny. Highs 96 to 102. Light winds.
.FRIDAY NIGHT...Clear. Lows 61 to 71.
.SATURDAY...Sunny. Highs 95 to 103.
.SATURDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows 57 to 67.
Highs 93 to 103.
.TUESDAY...Sunny. Highs 89 to 97.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             96   63   96  /   0    0    0
SAC EXEC AIRPORT       96   62   95  /   0    0    0


$$
=

CAZ018-062300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 89 to 95. West winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear. Lows 57 to 63. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.THURSDAY...Sunny. Highs 86 to 92. Southwest winds around 10 mph
with gusts to around 20 mph.
.THURSDAY NIGHT...Clear. Lows 57 to 63. Southwest winds 10 to
15 mph.
.FRIDAY...Sunny. Highs 91 to 97. West winds around 10 mph with
gusts to around 20 mph.
.FRIDAY NIGHT...Clear. Lows 58 to 66.
.SATURDAY...Sunny. Highs 88 to 94.
.SATURDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows 56 to 64.
Highs 87 to 93.
.TUESDAY...Sunny. Highs 82 to 88.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       96   61   93  /   0    0    0


$$
=

CAZ019-062300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 91 to 99. Northwest winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows 59 to 69. Northwest winds up to 10 mph
with gusts to around 20 mph.
.THURSDAY...Sunny. Highs 91 to 99. Northwest winds up to 10 mph.
.THURSDAY NIGHT...Clear. Lows 59 to 69. Northwest winds up to
10 mph.
.FRIDAY...Sunny. Highs 94 to 102. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 63 to 71.
.SATURDAY...Sunny. Highs 94 to 102.
.SATURDAY NIGHT THROUGH TUESDAY...Clear. Lows 60 to 70. Highs
91 to 101.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               99   61   97  /   0    0    0
MODESTO                97   66   97  /   0    0    0


$$
=

CAZ063-062300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 72 to 87 higher elevations...89 to 94 lower
elevations. Prevailing northwest winds up to 10 mph shifting to
the southeast in the afternoon.
.TONIGHT...Mostly clear. Lows 55 to 69 higher elevations...66 to
72 lower elevations. Prevailing west winds up to 10 mph with
gusts to around 25 mph.
.THURSDAY...Sunny. Highs 75 to 90 higher elevations...91 to
97 lower elevations. Prevailing northwest winds up to 10 mph
shifting to the east in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 58 to 72 higher elevations...
69 to 75 lower elevations. Prevailing south winds up to 10 mph
shifting to the northwest after midnight.
.FRIDAY...Sunny, warmer. Highs 79 to 94 higher elevations...95 to
100 lower elevations. Prevailing north winds up to 10 mph
shifting to the northeast in the afternoon.
.FRIDAY NIGHT...Clear. Lows 63 to 78.
.SATURDAY...Sunny, warmer. Highs 85 to 100.
.SATURDAY NIGHT...Mostly clear. Lows 63 to 77.
.SUNDAY THROUGH TUESDAY...Clear. Highs 82 to 97. Lows 62 to 77.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          80   62   81  /   0    0    0


$$
=

CAZ066-062300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1022 AM PDT Wed Aug 6 2025

.TODAY...Mostly sunny. Highs 82 to 94. Light winds.
.TONIGHT...Mostly clear. Lows 63 to 73. Light winds.
.THURSDAY...Sunny. Highs 84 to 96. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 63 to 73. Prevailing
southwest winds up to 10 mph shifting to the northeast after
midnight.
.FRIDAY...Sunny, warmer. Highs 87 to 101. Prevailing northeast
winds up to 10 mph in the morning becoming light.
.FRIDAY NIGHT...Clear. Lows 66 to 76.
.SATURDAY...Sunny. Highs 89 to 103.
.SATURDAY NIGHT...Mostly clear. Lows 67 to 75.
.SUNDAY THROUGH TUESDAY...Clear. Highs 87 to 102. Lows 66 to 76.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               87   71   89  /   0    0    0


$$
=

CAZ067-062300-
Motherlode-
Including the cities of Grass Valley and Jackson
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 85 to 95. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 60 to 70. Light winds.
.THURSDAY...Sunny. Highs 86 to 96. Light winds becoming southwest
up to 10 mph in the afternoon.
.THURSDAY NIGHT...Clear. Lows 63 to 71. Prevailing southwest
winds up to 10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 89 to 99. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 65 to 73.
.SATURDAY...Sunny. Highs 90 to 100.
.SATURDAY NIGHT THROUGH TUESDAY...Clear. Lows 62 to 73. Highs
86 to 100.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           87   63   88  /   0    0    0
JACKSON                91   63   92  /   0    0    0


$$
=

CAZ068-062300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1022 AM PDT Wed Aug 6 2025

.TODAY...Mostly sunny. Highs 67 to 82 higher elevations...73 to
88 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.TONIGHT...Mostly clear. Lows 50 to 65. Prevailing southwest
winds up to 10 mph in the evening becoming light.
.THURSDAY...Mostly sunny. Highs 68 to 83 higher elevations...
75 to 90 lower elevations. Light winds becoming southwest up to
10 mph in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows 50 to 65. Prevailing
southwest winds up to 10 mph shifting to the northeast after
midnight.
.FRIDAY...Sunny, warmer. Highs 73 to 88 higher elevations...79 to
94 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the southwest in the afternoon.
.FRIDAY NIGHT...Clear. Lows 54 to 69.
.SATURDAY...Sunny. Highs 79 to 94.
.SATURDAY NIGHT...Mostly clear. Lows 54 to 69.
.SUNDAY THROUGH TUESDAY...Clear. Highs 79 to 94. Lows 55 to 70.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 89   48   92  /   0    0    0
CHESTER                84   48   86  /   0    0    0


$$
=

CAZ069-062300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1022 AM PDT Wed Aug 6 2025

.TODAY...Sunny. Highs 67 to 82 higher elevations...79 to 91 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Mostly clear. Lows 45 to 60 higher elevations...55 to
69 lower elevations. Prevailing southwest winds up to 10 mph in
the evening becoming light.
.THURSDAY...Mostly sunny. Highs 68 to 83 higher elevations...
81 to 91 lower elevations. Prevailing southeast winds up to
10 mph shifting to the southwest in the afternoon.
.THURSDAY NIGHT...Clear. Lows 46 to 61 higher elevations...57 to
71 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the east after midnight.
.FRIDAY...Sunny, warmer. Highs 71 to 86 higher elevations...84 to
94 lower elevations. Prevailing east winds up to 10 mph shifting
to the southwest in the afternoon.
.FRIDAY NIGHT...Clear. Lows 53 to 68.
.SATURDAY...Sunny. Highs 76 to 91.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 53 to 68. Highs 77 to
92.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 69.
.MONDAY...Sunny. Highs 77 to 92.
.MONDAY NIGHT...Mostly clear. Lows 53 to 68.
.TUESDAY...Sunny. Highs 75 to 90.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            78   61   79  /   0    0    0


$$
=