261
FPUS56 KSTO 171222
ZFPSTO

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

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


CAZ013-172300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy in the morning then clearing. At lower
elevations, a slight chance of rain showers in the morning. At
higher elevations, a chance of rain showers and a slight chance
of thunderstorms early in the morning. A slight chance of rain
showers in the late morning and early afternoon. A slight chance
of thunderstorms early in the afternoon. Highs 55 to 70 higher
elevations...69 to 77 lower elevations. Prevailing northwest
winds up to 10 mph with gusts to around 25 mph.
.TONIGHT...Clear, colder. Lows 33 to 48 higher elevations...42 to
52 lower elevations. Prevailing north winds up to 15 mph.
.SUNDAY...Sunny, warmer. Highs 59 to 74 higher elevations...71 to
81 lower elevations. Prevailing north winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 36 to 51 higher elevations...46 to
55 lower elevations. Prevailing north winds up to 10 mph with
gusts to around 25 mph.
.MONDAY...Sunny, warmer. Highs 66 to 81 higher elevations...79 to
87 lower elevations. Prevailing north winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 42 to 57.
.TUESDAY...Sunny, warmer. Highs 73 to 88.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 44 to 59. Highs 73 to
88.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             75   50   79  /  10    0    0


$$
=

CAZ014-172300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy with a chance of rain showers and a slight
chance of thunderstorms until late afternoon, then partly cloudy
late in the afternoon. Highs 51 to 62 higher elevations...60 to
66 lower elevations. Prevailing northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Colder. Lows 28 to 39. Prevailing north
winds up to 10 mph in the evening becoming light. Gusts up to
25 mph.
.SUNDAY...Sunny. Highs 54 to 65 higher elevations...64 to
69 lower elevations. Light winds becoming north up to 10 mph in
the afternoon.
.SUNDAY NIGHT...Clear. Lows 31 to 40. Prevailing north winds up
to 15 mph.
.MONDAY...Sunny, warmer. Highs 65 to 77. Light winds.
.MONDAY NIGHT...Clear. Lows 37 to 45.
.TUESDAY...Sunny, warmer. Highs 70 to 82.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 39 to 48. Highs 70 to
83.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 62   35   66  /  40    0    0


$$
=

CAZ015-172300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
522 AM PDT Sat May 17 2025

.TODAY...Mostly sunny. Highs 74 to 80. Northwest winds up to
15 mph with gusts to around 25 mph.
.TONIGHT...Clear. Lows 49 to 55. Northwest winds 10 to 15 mph
with gusts to around 30 mph.
.SUNDAY...Sunny. Highs 77 to 83. North winds 10 to 15 mph with
gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 52 to 58. North winds 10 to 15 mph
with gusts to around 30 mph.
.MONDAY...Sunny. Highs 84 to 89. North winds 10 to 15 mph with
gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 55 to 61.
.TUESDAY...Sunny. Highs around 91.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 56 to 63. Highs 89 to
95.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                78   51   81  /  10    0    0
RED BLUFF              81   53   83  /  10    0    0


$$
=

CAZ016-172300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
522 AM PDT Sat May 17 2025

.TODAY...Mostly sunny. Highs 75 to 81. East winds up to 10 mph
shifting to the northwest around 10 mph in the afternoon. Gusts
up to 20 mph.
.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 54 to 60. 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 59.
.TUESDAY...Sunny. Highs 88 to 93.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 58 to 64. Highs 88 to
97.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  80   54   82  /  10    0    0
OROVILLE               78   53   82  /  10    0    0
MARYSVILLE/YUBA CITY   79   54   82  /  10    0    0


$$
=

CAZ017-172300-
Southern Sacramento Valley-
Including the city of Sacramento
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs 73 to
81. South winds 10 to 15 mph shifting to the northwest in the
afternoon.
.TONIGHT...Clear. Lows 48 to 58. Northwest winds around 10 mph
with gusts to around 25 mph.
.SUNDAY...Sunny. Highs 77 to 85. Northwest winds 10 to 20 mph
with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 53 to 61. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.MONDAY...Sunny. Highs 85 to 91. Northwest winds 10 to 20 mph
with gusts to around 30 mph.
.MONDAY NIGHT...Clear. Lows 55 to 61.
.TUESDAY...Sunny. Highs 87 to 94.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 54 to 63. Highs 86 to
96.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             79   55   82  /   0    0    0
SAC EXEC AIRPORT       78   52   83  /   0    0    0


$$
=

CAZ018-172300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs 70 to
76. West winds 10 to 20 mph with gusts to around 30 mph.
.TONIGHT...Clear. Lows around 52. West winds 10 to 20 mph. Gusts
up to 30 mph in the evening.
.SUNDAY...Sunny. Highs 76 to 82. Northwest winds 10 to 20 mph
with gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows around 58. West winds 10 to 20 mph
with gusts to around 30 mph.
.MONDAY...Sunny, warmer. Highs 84 to 90. Northwest winds 10 to
20 mph with gusts to around 30 mph.
.MONDAY NIGHT...Clear. Lows around 57.
.TUESDAY...Sunny. Highs 84 to 90.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows around 57.
Highs 86 to 92.
.FRIDAY...Sunny. Highs 81 to 87.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       77   50   83  /   0    0    0


$$
=

CAZ019-172300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs 68 to
78. West winds 10 to 15 mph with gusts to around 30 mph.
.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 51 to 61. Northwest winds 10 to
20 mph with gusts to around 30 mph.
.MONDAY...Sunny, warmer. Highs 83 to 91. Northwest winds 10 to
20 mph with gusts to around 35 mph.
.MONDAY NIGHT...Clear. Lows 54 to 60.
.TUESDAY...Sunny. Highs 85 to 93.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 53 to 63. Highs 85 to
95.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               78   50   84  /   0    0    0
MODESTO                77   53   82  /   0    0    0


$$
=

CAZ063-172300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
522 AM PDT Sat May 17 2025

.TODAY...Mostly sunny. Highs 51 to 66 higher elevations...68 to
76 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 35 mph.
.TONIGHT...Clear, colder. Lows 35 to 49 higher elevations...46 to
52 lower elevations. Prevailing northwest winds 10 to 20 mph with
gusts to around 35 mph.
.SUNDAY...Sunny, warmer. Highs 56 to 71 higher elevations...72 to
80 lower elevations. Prevailing northwest winds 5 to 15 mph with
gusts to around 30 mph.
.SUNDAY NIGHT...Clear. Lows 40 to 54 higher elevations...50 to
58 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
86 lower elevations. Prevailing northwest winds 5 to 15 mph.
.MONDAY NIGHT...Clear. Lows 46 to 61.
.TUESDAY...Sunny, warmer. Highs 70 to 85.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 48 to 63. Highs 71 to
86.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          60   43   64  /   0    0    0


$$
=

CAZ066-172300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy in the morning then clearing. A slight
chance of rain showers. Highs 60 to 72 higher elevations...68 to
76 lower elevations. Prevailing northwest winds up to 10 mph with
gusts to around 25 mph.
.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 46 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 52 to 62.
.TUESDAY...Sunny. Highs 76 to 90.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 53 to 65. Highs 77 to
92.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               69   51   73  /  20    0    0


$$
=

CAZ067-172300-
Motherlode-
Including the cities of Grass Valley and Jackson
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy until late afternoon, then partly cloudy
with a slight chance of rain showers late in the afternoon. Highs
60 to 74. Prevailing south winds up to 10 mph shifting to the
west in the afternoon.
.TONIGHT...Clear. Lows 44 to 50. Light winds.
.SUNDAY...Sunny, warmer. Highs 66 to 78. Light winds becoming
west up to 10 mph with gusts to around 25 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 48 to 54. Prevailing northwest winds
up to 10 mph shifting to the northeast after midnight. Gusts up
to 25 mph.
.MONDAY...Sunny, warmer. Highs 74 to 86. Prevailing northeast
winds up to 10 mph shifting to the northwest in the afternoon.
.MONDAY NIGHT...Clear. Lows 52 to 58.
.TUESDAY...Sunny. Highs 77 to 89.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 53 to 61. Highs 77 to
92.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           65   45   70  /  20   10    0
JACKSON                70   47   74  /  10   10    0


$$
=

CAZ068-172300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms early in the morning. A slight chance of
rain showers late in the morning, then a slight chance of
thunderstorms early in the afternoon. A chance of rain showers in
the afternoon. Highs 43 to 58 higher elevations...50 to 64 lower
elevations. Prevailing west winds up to 10 mph.
.TONIGHT...Mostly clear. Colder. Lows 29 to 44. Prevailing
northwest winds up to 10 mph shifting to the northeast after
midnight.
.SUNDAY...Sunny, warmer. Highs 49 to 64 higher elevations...57 to
70 lower elevations. Prevailing north winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 33 to 48. Prevailing north winds up
to 15 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 north in the afternoon.
.MONDAY NIGHT...Clear. Lows 37 to 52.
.TUESDAY...Sunny, warmer. Highs 64 to 79.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 40 to 55. Highs 65 to
80.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 64   35   72  /  50   10    0
CHESTER                60   31   66  /  60   10    0


$$
=

CAZ069-172300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
522 AM PDT Sat May 17 2025

.TODAY...Mostly cloudy. At higher elevations, a slight chance of
rain showers late in the morning. A chance of rain showers in the
afternoon. A slight chance of snow showers late in the afternoon.
At lower elevations, a slight chance of rain showers early in the
afternoon. A chance of rain showers late in the afternoon. Highs
41 to 56 higher elevations...54 to 64 lower elevations. Snow
level 7500 feet in the afternoon. Prevailing southwest winds up
to 15 mph with gusts to around 40 mph...except southwest up to
30 mph with gusts to around 45 mph over ridges.
.TONIGHT...Partly cloudy in the evening then clearing. Colder.
Lows 26 to 41 higher elevations...39 to 49 lower elevations.
Prevailing west winds up to 10 mph with gusts to around 30 mph in
the evening becoming light.
.SUNDAY...Sunny, warmer. Highs 49 to 64 higher elevations...61 to
71 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 29 to 44 higher elevations...42 to
52 lower elevations. 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...70 to
80 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 38 to 53.
.TUESDAY...Sunny. Highs 63 to 78.
.TUESDAY NIGHT THROUGH FRIDAY...Clear. Lows 42 to 57. Highs 65 to
80.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            54   41   61  /  40   20    0


$$
=