Zone Forecast Product
Issued by NWS Sacramento, CA

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FPUS56 KSTO 030922
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
122 AM PST Wed Dec 3 2025

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


CAZ013-040000-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
122 AM PST Wed Dec 3 2025

.TODAY...Widespread frost early in the morning. Mostly cloudy.
Highs 41 to 56 higher elevations...53 to 61 lower elevations.
Prevailing northeast winds up to 10 mph with gusts to around
25 mph.
.TONIGHT...Mostly clear. Lows 30 to 45. Prevailing north winds up
to 10 mph.
.THURSDAY...Partly cloudy in the morning then clearing. Not as
cool. Highs 46 to 61 higher elevations...56 to 64 lower
elevations. Prevailing northeast winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 33 to 48. Prevailing north
winds up to 10 mph.
.FRIDAY...Mostly sunny. Warmer. Highs 49 to 64 higher
elevations...60 to 68 lower elevations. Prevailing north winds up
to 10 mph.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 35 to 50.
.SATURDAY...Mostly cloudy with a chance of rain showers. Highs
46 to 61.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 35 to 49.
.SUNDAY...Mostly cloudy with a slight chance of rain showers. Not
as cool. Highs 49 to 64.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 34 to 49.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 53 to 68. Lows
35 to 50.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             58   44   60  /   0    0    0


$$
=

CAZ014-040000-
Burney Basin / Eastern Shasta County-
Including the city of Burney
122 AM PST Wed Dec 3 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Widespread frost in the morning. Highs 41 to 49.
Prevailing east winds up to 10 mph.
.TONIGHT...Mostly clear. Widespread frost. Lows 21 to 32. Light
winds.
.THURSDAY...Partly cloudy in the morning then becoming mostly
sunny. Widespread frost in the morning. Highs 45 to 52. Light
winds.
.THURSDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows 28 to 37. Light winds.
.FRIDAY...Partly cloudy in the morning then clearing. Widespread
frost in the morning. Highs 49 to 56. Light winds.
.FRIDAY NIGHT...Partly cloudy. Patchy frost. Lows 31 to 39.
.SATURDAY...Mostly cloudy with a slight chance of rain showers.
Highs 47 to 55.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a slight chance
of rain showers. Lows 31 to 40. Highs 49 to 57.
.SUNDAY NIGHT...Partly cloudy. Lows 30 to 38.
.MONDAY...Mostly sunny. Highs 51 to 59.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 29 to 40. Highs
54 to 61.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 46   24   50  /   0    0    0


$$
=

CAZ015-040000-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
122 AM PST Wed Dec 3 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 55 to 61. North winds 10 to 15 mph with gusts to
around 25 mph.
.TONIGHT...Mostly clear. Lows 35 to 43. North winds up to 10 mph.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
54 to 60. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 39 to 47. Light winds.
.FRIDAY...Mostly sunny. Highs 59 to 66. North winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 45.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs around 59.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 42 to 48.
.SUNDAY...Mostly cloudy. Highs around 61.
.SUNDAY NIGHT...Partly cloudy. Lows 42 to 48.
.MONDAY...Mostly sunny. Highs 62 to 67.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 43 to 48. Highs
61 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                59   36   59  /   0    0    0
RED BLUFF              59   38   57  /   0    0    0


$$
=

CAZ016-040000-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
122 AM PST Wed Dec 3 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs around 58. North winds 10 to 15 mph with gusts to
around 25 mph.
.TONIGHT...Mostly clear. Lows 36 to 42. North winds up to 10 mph
with gusts to around 20 mph.
.THURSDAY...Partly cloudy in the morning then becoming mostly
sunny. Highs around 56. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 39 to 45. Light winds.
.FRIDAY...Mostly sunny. Highs 58 to 64. North winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 43.
.SATURDAY...Partly cloudy. Highs around 59.
.SATURDAY NIGHT...Partly cloudy. Lows around 46.
.SUNDAY...Mostly cloudy. Highs around 60.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows around
45. Highs 60 to 66.
.TUESDAY...Mostly cloudy. Highs 58 to 64.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  57   39   55  /   0    0    0
OROVILLE               59   39   55  /   0    0    0
MARYSVILLE/YUBA CITY   59   37   55  /   0    0    0


$$
=

CAZ017-040000-
Southern Sacramento Valley-
Including the city of Sacramento
122 AM PST Wed Dec 3 2025

.TODAY...Patchy dense fog early in the morning. Mostly cloudy.
Highs 56 to 62. North winds 10 to 15 mph. Gusts up to 40 mph
decreasing to 30 mph in the afternoon.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows around
38. Northeast winds up to 10 mph with gusts to around 20 mph.
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread Fog...locally dense in the morning. Highs
around 55. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 38 to 44. Light winds.
.FRIDAY...Mostly sunny. Highs 56 to 62. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 41 to 46.
.SATURDAY...Mostly sunny. Highs around 59.
.SATURDAY NIGHT...Mostly clear. Lows around 45.
.SUNDAY...Mostly cloudy. Highs around 60.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 45. Highs
58 to 64.
.MONDAY NIGHT...Mostly clear. Lows around 45.
.TUESDAY...Mostly cloudy. Highs 56 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             59   39   55  /   0    0    0
SAC EXEC AIRPORT       59   38   56  /   0    0    0


$$
=

CAZ018-040000-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
122 AM PST Wed Dec 3 2025

.TODAY...Patchy fog early in the morning. Mostly cloudy. Highs
57 to 63. North winds 10 to 20 mph. Gusts up to 45 mph decreasing
to 35 mph in the afternoon.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows around
39. Northeast winds up to 10 mph.
.THURSDAY...Widespread Fog...locally dense in the morning. Mostly
cloudy. Highs around 54. Northeast winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 38 to 44. Light winds.
.FRIDAY...Mostly sunny. Highs 57 to 63. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 41 to 46.
.SATURDAY...Partly cloudy. Highs around 60.
.SATURDAY NIGHT...Mostly clear. Lows around 46.
.SUNDAY...Mostly cloudy. Highs around 60.
.SUNDAY NIGHT...Mostly clear. Lows around 46.
.MONDAY...Mostly cloudy. Highs 58 to 64.
.MONDAY NIGHT...Mostly clear. Lows around 45.
.TUESDAY...Mostly cloudy. Highs 56 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       62   37   57  /   0    0    0


$$
=

CAZ019-040000-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
122 AM PST Wed Dec 3 2025

.TODAY...Widespread Fog...locally dense early in the morning.
Areas of fog late in the morning. Mostly cloudy. Highs 50 to 58.
Northwest winds up to 10 mph with gusts to around 20 mph.
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows around
39. Light winds.
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs around 54. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 38 to 44. Light winds.
.FRIDAY...Mostly sunny. Highs around 57. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 46.
.SATURDAY...Mostly sunny. Highs around 59.
.SATURDAY NIGHT...Mostly clear. Lows 42 to 48.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 60. Lows
42 to 48.
.MONDAY NIGHT...Mostly clear. Lows around 46.
.TUESDAY...Mostly cloudy. Highs 56 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               57   37   56  /   0    0    0
MODESTO                54   39   54  /   0    0    0


$$
=

CAZ063-040000-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
122 AM PST Wed Dec 3 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 41 to 56 higher elevations...around 58 lower
elevations. Prevailing north winds up to 15 mph with gusts to
around 30 mph.
.TONIGHT...Mostly clear. Lows 36 to 46. Prevailing northwest
winds up to 10 mph.
.THURSDAY...Mostly sunny. Not as cool. Highs 48 to 63. Prevailing
north winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows 40 to 50. Prevailing
northwest winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs 49 to 63 higher elevations...around
64 lower elevations. Prevailing northwest winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 50.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs 48 to 63.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 40 to 50.
.SUNDAY...Partly cloudy. Highs 48 to 63.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 39 to 51.
Highs 53 to 68.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          50   41   54  /   0    0    0


$$
=

CAZ066-040000-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
122 AM PST Wed Dec 3 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Highs 51 to 59. Prevailing north winds up to 10 mph with gusts to
around 30 mph.
.TONIGHT...Mostly clear. Lows 36 to 44. Prevailing northeast
winds up to 10 mph.
.THURSDAY...Mostly sunny. Highs 51 to 59. Prevailing northeast
winds up to 10 mph in the morning becoming light.
.THURSDAY NIGHT...Mostly clear. Lows 41 to 49. Light winds.
.FRIDAY...Mostly sunny. Highs 57 to 65. Prevailing northeast
winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 43 to 49.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Highs 53 to 61.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy with a slight chance
of rain showers. Lows 42 to 50. Highs 55 to 63.
.SUNDAY NIGHT...Partly cloudy. Lows 42 to 50.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 58 to 67. Lows
42 to 51.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               55   42   54  /   0    0    0


$$
=

CAZ067-040000-
Motherlode-
Including the cities of Grass Valley and Jackson
122 AM PST Wed Dec 3 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Widespread Fog...locally dense early in the morning. Highs 51 to
61. Prevailing northeast winds up to 10 mph shifting to the north
in the afternoon.
.TONIGHT...Mostly clear. Lows 35 to 41. Light winds.
.THURSDAY...Mostly sunny. Highs 52 to 58. Light winds.
.THURSDAY NIGHT...Mostly clear. Lows 38 to 44. Light winds.
.FRIDAY...Sunny. Highs 53 to 63. Light winds.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 46.
.SATURDAY...Mostly sunny. Highs 56 to 62.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 41 to 48.
Highs 56 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           57   35   55  /   0    0    0
JACKSON                56   38   55  /   0    0    0


$$
=

CAZ068-040000-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
122 AM PST Wed Dec 3 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Widespread frost in the morning. Highs 33 to 48 higher
elevations...39 to 53 lower elevations. Prevailing northeast
winds up to 10 mph with gusts to around 30 mph.
.TONIGHT...Mostly clear. Widespread frost after midnight. Lows
24 to 39. Prevailing northeast winds up to 10 mph with gusts to
around 25 mph.
.THURSDAY...Widespread frost in the morning. Mostly sunny. Not as
cool. Highs 42 to 57. Prevailing northeast winds up to 10 mph.
.THURSDAY NIGHT...Mostly clear. Areas of frost after midnight.
Lows 30 to 45. Prevailing northeast winds up to 10 mph.
.FRIDAY...Areas of frost in the morning. Mostly sunny. Not as
cool. Highs 46 to 61. Prevailing northeast winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Areas of frost. Lows 32 to 47.
.SATURDAY...Partly cloudy with a slight chance of rain showers.
Areas of frost. Highs 43 to 58.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 32 to 47.
.SUNDAY...Mostly cloudy with a slight chance of rain showers.
Highs 45 to 60.
.SUNDAY NIGHT...Partly cloudy. Lows 31 to 46.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 49 to 64. Lows
32 to 47.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 49   24   52  /   0    0    0
CHESTER                46   23   53  /   0    0    0


$$
=

CAZ069-040000-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
122 AM PST Wed Dec 3 2025

.TODAY...Mostly sunny in the morning then becoming partly cloudy.
Highs 33 to 48 higher elevations...47 to 59 lower elevations.
Prevailing northeast winds 5 to 15 mph with gusts to around
35 mph. Over ridges, prevailing northeast winds 15 to 30 mph
decreasing to 5 to 15 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 21 to 36 higher elevations...33 to
42 lower elevations. Prevailing east winds up to 15 mph.
.THURSDAY...Mostly sunny. Not as cool. Highs 40 to 55 higher
elevations...49 to 59 lower elevations. Prevailing east winds up
to 10 mph in the morning becoming light.
.THURSDAY NIGHT...Mostly clear. Lows 28 to 43 higher elevations...
37 to 47 lower elevations. Prevailing northeast winds up to
10 mph.
.FRIDAY...Mostly sunny. Not as cool. Highs 44 to 59 higher
elevations...55 to 65 lower elevations. Prevailing northeast
winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 32 to 47.
.SATURDAY...Mostly sunny. Highs 46 to 61.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 33 to 48.
Highs 51 to 66.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            47   37   50  /   0    0    0


$$
=