815
FPUS56 KSTO 170723
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1222 AM PDT Thu Jul 17 2025

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


CAZ013-172300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Areas of smoke early in the morning. Areas of
smoke in the afternoon. Highs 78 to 93 higher elevations...88 to
97 lower elevations. Prevailing southwest winds up to 10 mph.
.TONIGHT...Clear. Areas of smoke. Lows 53 to 68. Prevailing south
winds up to 10 mph.
.FRIDAY...Sunny. Highs 80 to 95 higher elevations...89 to
99 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.FRIDAY NIGHT...Clear. Lows 53 to 68 higher elevations...61 to
70 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.SATURDAY...Sunny. Highs 80 to 95 higher elevations...90 to
98 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.SATURDAY NIGHT...Clear. Lows 54 to 69.
.SUNDAY...Sunny. Highs 79 to 94.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 52 to 67. Highs 76 to
91.
.TUESDAY NIGHT...Mostly clear. Lows 50 to 65.
.WEDNESDAY...Sunny. Highs 74 to 89.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             94   67   97  /   0    0    0


$$
=

CAZ014-172300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Areas of smoke late in the afternoon. Highs 79 to
91. Prevailing northwest winds up to 10 mph. Gusts up to 25 mph
in the afternoon.
.TONIGHT...Clear. Lows 46 to 61. Prevailing west winds up to
10 mph with gusts to around 25 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 81 to 92. Light winds becoming west up to
10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 46 to 61. Prevailing southwest winds
up to 10 mph. Gusts up to 25 mph in the evening.
.SATURDAY...Sunny. Highs 81 to 92. Light winds becoming west up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 46 to 61.
.SUNDAY...Sunny. Highs 78 to 90.
.SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 44 to 59. Highs 74 to
89.
.TUESDAY NIGHT...Mostly clear. Lows 42 to 57.
.WEDNESDAY...Sunny. Highs 75 to 86.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 87   52   88  /   0    0    0


$$
=

CAZ015-172300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 90 to 96. Southeast winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows 60 to 68. Southeast winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY...Sunny. Highs 93 to 99. Light winds becoming south
around 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 61 to 69. Southeast winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 92 to 98. Light winds becoming south up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 62 to 68.
.SUNDAY...Sunny. Highs 91 to 97.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 57 to 67. Highs
87 to 97.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                96   63   98  /   0    0    0
RED BLUFF              95   64   97  /   0    0    0


$$
=

CAZ016-172300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs around 90. Southeast winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows 55 to 63. Southeast winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY...Sunny. Highs around 93. Southeast winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 56 to 64. Southeast winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 92. Southeast winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 56 to 64.
.SUNDAY...Sunny. Highs around 92.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 54 to 63. Highs
86 to 92.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  93   64   95  /   0    0    0
OROVILLE               92   60   94  /   0    0    0
MARYSVILLE/YUBA CITY   91   57   93  /   0    0    0


$$
=

CAZ017-172300-
Southern Sacramento Valley-
Including the city of Sacramento
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 85 to 93. Southwest winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear. Lows 52 to 60. South winds up to 15 mph.
.FRIDAY...Sunny. Highs 87 to 95. Southwest winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 52 to 61. South winds up to 15 mph.
.SATURDAY...Sunny. Highs 87 to 95. Southwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 53 to 62.
.SUNDAY...Sunny. Highs 87 to 95.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 52 to 62. Highs
83 to 93.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             89   58   92  /   0    0    0
SAC EXEC AIRPORT       88   57   89  /   0    0    0


$$
=

CAZ018-172300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Near the bay, mostly cloudy in the morning then
clearing. Highs 79 to 85. West winds 10 to 15 mph with gusts to
around 25 mph.
.TONIGHT...Clear. Near the bay, clear in the evening then
becoming mostly cloudy. Lows around 56. West winds 10 to 15 mph
with gusts to around 25 mph.
.FRIDAY...Sunny. Near the bay, mostly cloudy in the morning then
clearing. Mostly sunny. Highs 80 to 86. West winds 10 to 15 mph
with gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows around 55. Southwest winds 10 to
15 mph with gusts to around 30 mph.
.SATURDAY...Sunny. Near the bay, mostly cloudy in the morning
then clearing. Highs 80 to 86. West winds 10 to 15 mph with gusts
to around 25 mph.
.SATURDAY NIGHT...Clear. Lows around 56.
.SUNDAY...Sunny. Highs 81 to 87.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows around 57. Highs
79 to 85.
.TUESDAY...Mostly sunny. Highs 75 to 81.
.TUESDAY NIGHT AND WEDNESDAY...Clear. Lows around 55. Highs 76 to
82.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       85   55   86  /   0    0    0


$$
=

CAZ019-172300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 86 to 94. Northwest winds up to 10 mph.
.TONIGHT...Clear. Lows 54 to 64. Northwest winds 10 to 15 mph.
.FRIDAY...Sunny. Highs 87 to 95. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 54 to 64. Northwest winds 10 to
15 mph.
.SATURDAY...Sunny. Highs 89 to 95. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 55 to 65.
.SUNDAY...Sunny. Highs 88 to 96.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 54 to 64. Highs
84 to 94.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               92   56   93  /   0    0    0
MODESTO                92   60   93  /   0    0    0


$$
=

CAZ063-172300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 73 to 88 higher elevations...89 to 94 lower
elevations. Light winds becoming southeast up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 55 to 69. Prevailing south winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 75 to 90 higher elevations...91 to
97 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Clear. Lows 57 to 69 higher elevations...64 to
72 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.SATURDAY...Sunny. Highs 75 to 90 higher elevations...91 to
97 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Clear. Lows 56 to 70.
.SUNDAY...Sunny. Highs 76 to 91.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 53 to 68. Highs
73 to 88.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          79   61   81  /   0    0    0


$$
=

CAZ066-172300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 81 to 95. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 60 to 70. Prevailing south winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 82 to 96. Light winds becoming southwest
up to 10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 61 to 69. Prevailing south winds up
to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 82 to 96. Light winds becoming southwest
up to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 61 to 69.
.SUNDAY...Sunny. Highs 81 to 95.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 56 to 67. Highs
78 to 93.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               85   66   87  /   0    0    0


$$
=

CAZ067-172300-
Motherlode-
Including the cities of Grass Valley and Jackson
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 82 to 92. Prevailing southwest winds up to
10 mph.
.TONIGHT...Clear. Lows 57 to 67. Prevailing west winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 83 to 93. Light winds becoming west up to
10 mph in the afternoon.
.FRIDAY NIGHT...Clear. Lows 57 to 67. Prevailing west winds up to
10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 84 to 94. Light winds becoming southwest
up to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 57 to 67.
.SUNDAY...Sunny. Highs 84 to 94.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 52 to 66. Highs
79 to 94.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           85   60   86  /   0    0    0
JACKSON                88   58   89  /   0    0    0


$$
=

CAZ068-172300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 69 to 84 higher elevations...75 to 90 lower
elevations. Prevailing southwest winds up to 10 mph.
.TONIGHT...Clear. Lows 49 to 64. Prevailing southwest winds up to
10 mph in the evening becoming light.
.FRIDAY...Sunny. Highs 70 to 85 higher elevations...76 to
91 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Clear. Lows 49 to 64. Prevailing southwest winds
up to 10 mph in the evening becoming light.
.SATURDAY...Sunny. Highs 70 to 85 higher elevations...76 to
91 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Clear. Lows 49 to 64.
.SUNDAY...Sunny. Highs 72 to 87.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 46 to 61. Highs
69 to 84.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 92   47   93  /   0    0    0
CHESTER                88   47   89  /   0    0    0


$$
=

CAZ069-172300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1222 AM PDT Thu Jul 17 2025

.TODAY...Sunny. Highs 68 to 83 higher elevations...79 to 89 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 46 to 61 higher elevations...55 to
69 lower elevations. Prevailing southwest winds up to 10 mph in
the evening becoming light.
.FRIDAY...Sunny. Highs 69 to 84 higher elevations...80 to
90 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.FRIDAY NIGHT...Clear. Lows 47 to 62 higher elevations...55 to
69 lower elevations. Prevailing west winds up to 10 mph in the
evening becoming light.
.SATURDAY...Sunny. Highs 69 to 84 higher elevations...80 to
90 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Clear. Lows 49 to 64.
.SUNDAY...Sunny. Highs 71 to 86.
.SUNDAY NIGHT THROUGH WEDNESDAY...Clear. Lows 46 to 61. Highs
69 to 84.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            78   62   79  /   0    0    0


$$
=