Zone Forecast Product
Issued by NWS Sacramento, CA

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FPUS56 KSTO 172042
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
142 PM PDT Sat May 17 2025

Spot temperatures and probabilities of measurable precipitation
are for tonight, Sunday, Sunday night, and Monday.


CAZ013-181100-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
142 PM PDT Sat May 17 2025

.TONIGHT...Clear, colder. Lows 33 to 48 higher elevations...43 to
52 lower elevations. Prevailing north winds up to 10 mph with
gusts to around 25 mph.
.SUNDAY...Sunny, warmer. Highs 59 to 74 higher elevations...71 to
81 lower elevations. Prevailing north winds up to 10 mph with
gusts to around 25 mph.
.SUNDAY NIGHT...Clear. Lows 37 to 52 higher elevations...46 to
56 lower elevations. Prevailing north winds up to 10 mph with
gusts to around 25 mph.
.MONDAY...Sunny, warmer. Highs 67 to 82 higher elevations...79 to
87 lower elevations. Prevailing north winds up to 10 mph shifting
to the northwest in the afternoon.
.MONDAY NIGHT...Clear. Lows 40 to 55 higher elevations...49 to
58 lower elevations. Prevailing west winds up to 10 mph shifting
to the north after midnight.
.TUESDAY...Sunny, warmer. Highs 72 to 87.
.TUESDAY NIGHT...Clear. Lows 44 to 59.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 73 to 88. Lows 44 to
59.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             50   79   54   85  /   0    0    0    0


$$
=

CAZ014-181100-
Burney Basin / Eastern Shasta County-
Including the city of Burney
142 PM PDT Sat May 17 2025

.TONIGHT...Mostly clear. Colder. Lows 28 to 39. Prevailing north
winds 5 to 15 mph in the evening becoming light.
.SUNDAY...Sunny. Highs 55 to 66 higher elevations...64 to
70 lower elevations. Light winds becoming north up to 10 mph in
the afternoon. Gusts up to 25 mph.
.SUNDAY NIGHT...Clear. Lows 32 to 42. Prevailing north winds up
to 10 mph in the evening becoming light. Gusts up to 25 mph.
.MONDAY...Sunny, warmer. Highs 65 to 77. Light winds.
.MONDAY NIGHT...Clear. Lows 37 to 46. Prevailing west winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 69 to 81.
.TUESDAY NIGHT...Clear. Lows 38 to 47.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 69 to 84. Lows 38 to
48.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 35   67   38   74  /   0    0    0    0


$$
=

CAZ015-181100-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows 49 to 55. Northwest winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY...Sunny. Highs 77 to 82. North winds 10 to 15 mph with
gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 52 to 58. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.MONDAY...Sunny, warmer. Highs 84 to 90. North winds 10 to 15 mph
with gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 53 to 59. Northwest winds around
10 mph with gusts to around 25 mph.
.TUESDAY...Sunny. Highs 87 to 92.
.TUESDAY NIGHT...Clear. Lows 57 to 63.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 88 to 94. Lows 56 to
64.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                50   81   53   88  /   0    0    0    0
RED BLUFF              53   82   56   88  /   0    0    0    0


$$
=

CAZ016-181100-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows 51 to 57. Northwest winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY...Sunny. Highs 78 to 84. Northwest winds 10 to 20 mph
with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 55 to 61. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.MONDAY...Sunny. Highs 86 to 91. North winds 10 to 15 mph with
gusts to around 30 mph.
.MONDAY NIGHT...Clear. Lows around 58. Northwest winds around
10 mph with gusts to around 20 mph.
.TUESDAY...Sunny. Highs 88 to 93.
.TUESDAY NIGHT...Clear. Lows 57 to 63.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 87 to 97. Lows 57 to
63.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  55   82   57   90  /   0    0    0    0
OROVILLE               53   82   56   89  /   0    0    0    0
MARYSVILLE/YUBA CITY   53   82   57   91  /   0    0    0    0


$$
=

CAZ017-181100-
Southern Sacramento Valley-
Including the city of Sacramento
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows 49 to 57. West winds up to 10 mph with
gusts to around 25 mph.
.SUNDAY...Sunny. Highs 78 to 84. Northwest winds 10 to 15 mph
with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 54 to 62. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.MONDAY...Sunny. Highs 85 to 91. Northwest winds 10 to 15 mph
with gusts to around 35 mph.
.MONDAY NIGHT...Clear. Lows 54 to 60. West winds up to 15 mph
with gusts to around 25 mph.
.TUESDAY...Sunny. Highs 86 to 93.
.TUESDAY NIGHT...Clear. Lows 54 to 62.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 86 to 96. Lows 53 to
63.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             55   82   59   91  /   0    0    0    0
SAC EXEC AIRPORT       53   82   58   90  /   0    0    0    0


$$
=

CAZ018-181100-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows around 52. West winds 10 to 15 mph. Gusts
up to 30 mph in the evening.
.SUNDAY...Sunny, warmer. Highs 78 to 84. Northwest winds 10 to
20 mph with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows around 58. West winds 10 to 15 mph
with gusts to around 35 mph.
.MONDAY...Sunny. Highs 85 to 91. Northwest winds 10 to 20 mph
with gusts to around 35 mph.
.MONDAY NIGHT...Clear. Lows around 56. West winds 10 to 15 mph
with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 84 to 90.
.TUESDAY NIGHT...Clear. Lows around 56.
.WEDNESDAY THROUGH THURSDAY NIGHT...Clear. Highs 86 to 92. Lows
54 to 62.
.FRIDAY THROUGH SATURDAY...Clear. Highs 80 to 86. Lows around 54.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       50   84   56   90  /   0    0    0    0


$$
=

CAZ019-181100-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows 47 to 55. West winds up to 15 mph. Gusts
up to 30 mph decreasing to 20 mph after midnight.
.SUNDAY...Sunny, warmer. Highs 75 to 84. Northwest winds 10 to
20 mph with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 52 to 62. Northwest winds 10 to
15 mph with gusts to around 35 mph.
.MONDAY...Sunny, warmer. Highs 83 to 92. Northwest winds 10 to
20 mph with gusts to around 35 mph.
.MONDAY NIGHT...Clear. Lows 52 to 60. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.TUESDAY...Sunny. Highs 85 to 92.
.TUESDAY NIGHT...Clear. Lows 54 to 62.
.WEDNESDAY THROUGH THURSDAY NIGHT...Clear. Highs 87 to 97. Lows
53 to 63.
.FRIDAY THROUGH SATURDAY...Clear. Highs 82 to 91. Lows 51 to 58.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               50   84   56   91  /   0    0    0    0
MODESTO                53   83   60   91  /   0    0    0    0


$$
=

CAZ063-181100-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
142 PM PDT Sat May 17 2025

.TONIGHT...Clear, colder. Lows 35 to 49 higher elevations...47 to
53 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 35 mph.
.SUNDAY...Sunny, warmer. Highs 56 to 71 higher elevations...74 to
80 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 41 to 55 higher elevations...51 to
59 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 30 mph.
.MONDAY...Sunny, warmer. Highs 63 to 78 higher elevations...79 to
87 lower elevations. Prevailing northwest winds 5 to 15 mph.
.MONDAY NIGHT...Clear. Lows 41 to 55 higher elevations...52 to
58 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 30 mph.
.TUESDAY...Sunny. Highs 69 to 84.
.TUESDAY NIGHT...Clear. Lows 49 to 64.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 71 to 86. Lows 48 to
63.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          43   65   50   71  /   0    0    0    0


$$
=

CAZ066-181100-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
142 PM PDT Sat May 17 2025

.TONIGHT...Clear, colder. Lows 43 to 53. Prevailing north winds
up to 10 mph with gusts to around 25 mph.
.SUNDAY...Sunny. Highs 67 to 79. Prevailing north winds up to
15 mph with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 48 to 58. Prevailing north winds up
to 15 mph with gusts to around 30 mph.
.MONDAY...Sunny, warmer. Highs 74 to 86. Prevailing northeast
winds up to 10 mph shifting to the northwest in the afternoon.
Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 51 to 61. Prevailing northwest winds
up to 10 mph shifting to the northeast after midnight. Gusts up
to 25 mph.
.TUESDAY...Sunny. Highs 76 to 89.
.TUESDAY NIGHT...Clear. Lows 53 to 63.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 76 to 91. Lows 52 to
64.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               52   73   56   80  /   0    0    0    0


$$
=

CAZ067-181100-
Motherlode-
Including the cities of Grass Valley and Jackson
142 PM PDT Sat May 17 2025

.TONIGHT...Clear. Lows 44 to 50. Light winds.
.SUNDAY...Sunny, warmer. Highs 66 to 78. Prevailing northwest
winds up to 10 mph with gusts to around 25 mph.
.SUNDAY NIGHT...Clear. Lows 49 to 55. Prevailing northwest winds
up to 10 mph shifting to the northeast after midnight. Gusts up
to 25 mph.
.MONDAY...Sunny, warmer. Highs 75 to 87. Prevailing northeast
winds up to 10 mph shifting to the northwest in the afternoon.
Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 51 to 57. Prevailing northwest winds
up to 10 mph with gusts to around 25 mph in the evening becoming
light.
.TUESDAY...Sunny. Highs 76 to 88.
.TUESDAY NIGHT...Clear. Lows 54 to 60.
.WEDNESDAY THROUGH THURSDAY NIGHT...Clear. Highs 80 to 92. Lows
52 to 61.
.FRIDAY THROUGH SATURDAY...Clear. Highs 76 to 87. Lows 50 to 58.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           45   70   50   78  /   0    0    0    0
JACKSON                47   74   51   83  /   0    0    0    0


$$
=

CAZ068-181100-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
142 PM PDT Sat May 17 2025

.TONIGHT...Mostly clear. Colder. Lows 26 to 41 higher
elevations...31 to 46 lower elevations. Prevailing northwest
winds up to 10 mph shifting to the northeast after midnight.
.SUNDAY...Sunny, warmer. Highs 50 to 65 higher elevations...58 to
71 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the northwest in the afternoon. Gusts up to 25 mph.
.SUNDAY NIGHT...Clear. Lows 33 to 48. Prevailing northwest winds
up to 10 mph shifting to the northeast after midnight. Gusts up
to 25 mph.
.MONDAY...Sunny, warmer. Highs 57 to 72 higher elevations...64 to
78 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the northwest in the afternoon. Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 37 to 52. Prevailing west winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 63 to 78.
.TUESDAY NIGHT...Clear. Lows 40 to 55.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 65 to 80. Lows 40 to
55.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 35   72   38   79  /  10    0    0    0
CHESTER                31   66   34   74  /   0    0    0    0


$$
=

CAZ069-181100-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
142 PM PDT Sat May 17 2025

.TONIGHT...Mostly clear. Colder. Lows 26 to 41 higher
elevations...39 to 49 lower elevations. Prevailing west winds up
to 10 mph in the evening becoming light. Gusts up to 25 mph.
.SUNDAY...Sunny, warmer. Highs 50 to 65 higher elevations...62 to
72 lower elevations. Prevailing north winds up to 10 mph shifting
to the west in the afternoon. Gusts up to 25 mph.
.SUNDAY NIGHT...Clear. Lows 30 to 45 higher elevations...43 to
53 lower elevations. Prevailing northwest winds up to 10 mph
shifting to the northeast after midnight. Gusts up to 30 mph.
.MONDAY...Sunny, warmer. Highs 57 to 72 higher elevations...70 to
80 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the northwest in the afternoon. Gusts up to 30 mph.
.MONDAY NIGHT...Clear. Lows 33 to 48 higher elevations...47 to
57 lower elevations. Prevailing west winds up to 10 mph shifting
to the east after midnight. Gusts up to 25 mph.
.TUESDAY...Sunny. Highs 62 to 77.
.TUESDAY NIGHT...Clear. Lows 41 to 56.
.WEDNESDAY THROUGH SATURDAY...Clear. Highs 65 to 80. Lows 41 to
56.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            42   63   45   70  /  10    0    0    0


$$
=