454
FPUS56 KSTO 291652
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
851 AM PST Mon Dec 29 2025

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


CAZ013-300000-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
851 AM PST Mon Dec 29 2025

.TODAY...Sunny. Not as cool. Highs 43 to 58 higher elevations...
55 to 61 lower elevations. Prevailing northeast winds up to
10 mph.
.TONIGHT...Clear. Lows 29 to 44. Prevailing north winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 45 to 59 higher elevations...55 to
61 lower elevations. Prevailing northeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 30 to 45. Prevailing north
winds up to 10 mph.
.WEDNESDAY...Mostly cloudy. A chance of rain in the afternoon.
Highs 42 to 56 higher elevations...52 to 59 lower elevations.
Prevailing northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with rain likely. Lows 34 to 48.
.NEW YEARS DAY...Rain. Highs 39 to 53.
.THURSDAY NIGHT THROUGH SUNDAY...Rain. Lows 33 to 48. Highs 39 to
54.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             59   41   57  /   0    0    0


$$
=

CAZ014-300000-
Burney Basin / Eastern Shasta County-
Including the city of Burney
851 AM PST Mon Dec 29 2025

.TODAY...Widespread frost in the morning. Sunny. Highs 44 to 52.
Prevailing east winds up to 10 mph.
.TONIGHT...Clear. Widespread frost. Lows 22 to 34. Prevailing
east winds up to 10 mph.
.TUESDAY...Widespread frost in the morning. Mostly sunny. Highs
47 to 53. Light winds.
.TUESDAY NIGHT...Partly cloudy. Areas of frost in the evening.
Widespread frost after midnight. Lows 23 to 35. Light winds.
.WEDNESDAY...Mostly cloudy. Widespread frost in the morning. A
slight chance of rain in the afternoon. Highs 44 to 50. Light
winds.
.WEDNESDAY NIGHT...Mostly cloudy with rain likely. Lows 30 to 39.
.NEW YEARS DAY...Rain likely. Highs 41 to 48.
.THURSDAY NIGHT THROUGH SATURDAY...Rain likely. Lows 29 to 40.
Highs 40 to 50.
.SATURDAY NIGHT...Rain and snow likely. Lows 28 to 36.
.SUNDAY...Mostly cloudy with a chance of rain and snow likely.
Highs 38 to 47.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 48   25   49  /   0    0    0


$$
=

CAZ015-300000-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
851 AM PST Mon Dec 29 2025

.TODAY...Partly cloudy. Highs 53 to 59. North winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows 33 to 39. North winds up to
10 mph.
.TUESDAY...Areas of frost in the morning. Partly cloudy. Highs
49 to 58. Light winds.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 37 to 43. Light winds.
.WEDNESDAY...Cloudy. A chance of rain in the afternoon. Highs
48 to 56. Light winds.
.WEDNESDAY NIGHT...Cloudy with rain likely. Lows around 45.
.NEW YEARS DAY...Rain. Highs around 51.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Rain. Lows around 46.
Highs around 52.
.SATURDAY THROUGH SUNDAY...Rain likely. Highs around 50. Lows
42 to 47.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                58   33   55  /   0    0    0
RED BLUFF              55   36   53  /   0    0    0


$$
=

CAZ016-300000-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
851 AM PST Mon Dec 29 2025

.TODAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread Fog...locally dense and areas of frost in the
morning. Highs around 56. North winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows around 37. Light winds.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 47 to 52. Light winds.
.TUESDAY NIGHT...Mostly cloudy. Lows around 42. Light winds.
.WEDNESDAY...Cloudy. A chance of rain in the afternoon. Highs
47 to 52. Light winds.
.WEDNESDAY NIGHT...Cloudy with a chance of rain. Lows around 45.
.NEW YEARS DAY...Rain. Highs around 51.
.THURSDAY NIGHT THROUGH SATURDAY...Rain. Lows 44 to 50. Highs
around 53.
.SATURDAY NIGHT AND SUNDAY...Rain likely. Lows 44 to 49. Highs
around 51.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  55   37   49  /   0    0    0
OROVILLE               56   37   49  /   0    0    0
MARYSVILLE/YUBA CITY   56   36   48  /   0    0    0


$$
=

CAZ017-300000-
Southern Sacramento Valley-
Including the city of Sacramento
851 AM PST Mon Dec 29 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

.TODAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread fog and areas of frost in the morning. Areas
of fog early in the afternoon. Highs 50 to 58. North winds up to
10 mph.
.TONIGHT...Partly cloudy. Patchy fog after midnight. Lows around
37. Light winds.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread Fog...locally dense in the morning. Highs
around 49. North winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows around 43. Light winds.
.WEDNESDAY...Cloudy. A chance of rain in the afternoon. Highs
around 48. Light winds.
.WEDNESDAY NIGHT...Rain. Lows around 46.
.NEW YEARS DAY...Rain. Highs 50 to 55.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Rain. Lows 46 to 52. Highs
52 to 58.
.SATURDAY AND SATURDAY NIGHT...Rain likely. Highs 50 to 56. Lows
around 49.
.SUNDAY...Mostly cloudy with a chance of rain. Highs around 53.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             53   38   49  /   0    0    0
SAC EXEC AIRPORT       52   36   50  /   0    0    0


$$
=

CAZ018-300000-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
851 AM PST Mon Dec 29 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

.TODAY...Widespread fog and areas of frost in the morning. Mostly
cloudy. Highs 52 to 58. Northeast winds up to 10 mph.
.TONIGHT...Mostly clear in the evening then becoming mostly
cloudy. Patchy fog after midnight. Lows around 38. Light winds.
.TUESDAY...Widespread Fog...locally dense in the morning. Mostly
cloudy. Highs around 49. Northeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows around 44. Northeast winds
up to 10 mph.
.WEDNESDAY...Cloudy. A slight chance of rain in the morning, then
a chance of rain in the afternoon. Highs around 48. Northeast
winds up to 10 mph.
.WEDNESDAY NIGHT...Rain. Lows around 46.
.NEW YEARS DAY...Rain. Highs around 53.
.THURSDAY NIGHT AND FRIDAY...Rain likely. Lows around 49. Highs
53 to 58.
.FRIDAY NIGHT...Rain likely. Lows around 49.
.SATURDAY AND SATURDAY NIGHT...Rain likely. Highs 51 to 56. Lows
around 49.
.SUNDAY...Mostly cloudy with a chance of rain. Highs around 54.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       56   36   51  /   0    0    0


$$
=

CAZ019-300000-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
851 AM PST Mon Dec 29 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING...

.TODAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread fog and patchy frost in the morning, then
areas of fog early in the afternoon. Highs 47 to 55. Light winds.
.TONIGHT...Mostly clear in the evening then becoming mostly
cloudy. Patchy fog. Lows around 39. Light winds.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Widespread Fog...locally dense in the morning. Highs
46 to 54. Light winds.
.TUESDAY NIGHT...Cloudy. Lows around 44. Light winds.
.WEDNESDAY...Cloudy. A slight chance of rain in the morning, then
a chance of rain in the afternoon. Highs around 50. Light winds.
.WEDNESDAY NIGHT...Rain. Lows around 48.
.NEW YEARS DAY...Rain. Highs around 55.
.THURSDAY NIGHT AND FRIDAY...Rain likely. Lows 48 to 53. Highs
54 to 59.
.FRIDAY NIGHT...Rain likely. Lows 47 to 52.
.SATURDAY...Mostly cloudy with rain likely. Highs 51 to 56.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a chance of rain.
Lows 45 to 50. Highs around 54.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               52   36   51  /   0    0    0
MODESTO                50   39   49  /   0    0    0


$$
=

CAZ063-300000-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
851 AM PST Mon Dec 29 2025

.TODAY...Sunny. Not as cool. Highs 48 to 60. Prevailing north
winds up to 10 mph.
.TONIGHT...Clear. Lows 36 to 46. Prevailing northwest winds up to
10 mph.
.TUESDAY...Sunny. Highs 48 to 60. Prevailing north winds up to
10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 37 to 47. Prevailing northwest winds up to
10 mph.
.WEDNESDAY...Mostly cloudy. A chance of rain in the afternoon.
Highs 43 to 58. Light winds.
.WEDNESDAY NIGHT...Rain likely. Lows 36 to 48.
.NEW YEARS DAY...Rain. Highs 40 to 54.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Rain. Lows 34 to 48. Highs
41 to 56.
.SATURDAY THROUGH SUNDAY...Rain and snow likely. Highs 38 to 53.
Lows 34 to 47.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          55   42   54  /   0    0    0


$$
=

CAZ066-300000-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
851 AM PST Mon Dec 29 2025

.TODAY...Sunny. Highs 53 to 59. Prevailing northeast winds up to
10 mph.
.TONIGHT...Clear. Lows 36 to 44. Prevailing northeast winds up to
10 mph.
.TUESDAY...Sunny. Highs 51 to 61. Prevailing northeast winds up
to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 39 to 47. Prevailing northeast winds up to
10 mph.
.WEDNESDAY...Mostly cloudy. A chance of rain in the afternoon.
Highs 48 to 58. Prevailing east winds up to 10 mph.
.WEDNESDAY NIGHT...Rain likely. Lows 42 to 48.
.NEW YEARS DAY...Rain. Highs 48 to 54.
.THURSDAY NIGHT...Rain. Lows 43 to 49.
.FRIDAY...Rain showers and a slight chance of thunderstorms.
Highs 49 to 55.
.FRIDAY NIGHT THROUGH SUNDAY...Rain. Lows 41 to 48. Highs 46 to
52.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               56   39   55  /   0    0    0


$$
=

CAZ067-300000-
Motherlode-
Including the cities of Grass Valley and Jackson
851 AM PST Mon Dec 29 2025

.TODAY...Areas of frost in the morning. Sunny. Not as cool. Highs
51 to 61. Light winds.
.TONIGHT...Clear. Lows 34 to 44. Light winds.
.TUESDAY...Widespread Fog...locally dense in the morning. Sunny.
Highs 53 to 63. Light winds.
.TUESDAY NIGHT...Mostly cloudy. Lows 40 to 47. Light winds.
.WEDNESDAY...Cloudy. A slight chance of rain in the morning, then
a chance of rain in the afternoon. Highs 49 to 59. Light winds.
.WEDNESDAY NIGHT...Rain. Lows 43 to 49.
.NEW YEARS DAY...Rain. Highs 51 to 57.
.THURSDAY NIGHT THROUGH SUNDAY...Rain. Lows 40 to 50. Highs 47 to
57.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           57   36   59  /   0    0    0
JACKSON                52   37   55  /   0    0    0


$$
=

CAZ068-300000-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
851 AM PST Mon Dec 29 2025

.TODAY...Widespread frost in the morning. Sunny. Not as cool.
Highs 39 to 54. Prevailing east winds up to 10 mph with gusts to
around 25 mph.
.TONIGHT...Clear. Widespread frost after midnight. Lows 23 to 38.
Prevailing northeast winds up to 10 mph with gusts to around
25 mph.
.TUESDAY...Widespread frost in the morning. Sunny. Highs 38 to
53 higher elevations...43 to 58 lower elevations. Prevailing
northeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Widespread frost after midnight. Lows 26 to 41.
Prevailing northeast winds up to 10 mph.
.WEDNESDAY...Mostly cloudy. Widespread frost in the morning. A
chance of rain in the afternoon. Highs 38 to 53. Prevailing
northeast winds up to 10 mph.
.WEDNESDAY NIGHT...Rain likely. Lows 30 to 45.
.NEW YEARS DAY...Rain. Highs 36 to 51.
.THURSDAY NIGHT...Rain. Lows 31 to 46.
.FRIDAY...Rain. Highs 37 to 52.
.FRIDAY NIGHT THROUGH SUNDAY...Rain and snow. Moderate snow
accumulations possible. Lows 28 to 43. Highs 33 to 48.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 47   23   50  /   0    0    0
CHESTER                44   20   47  /   0    0    0


$$
=

CAZ069-300000-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
851 AM PST Mon Dec 29 2025

.TODAY...Sunny. Not as cool. Highs 37 to 52 higher elevations...
50 to 60 lower elevations. Prevailing east winds up to 15 mph.
.TONIGHT...Clear. Lows 24 to 39 higher elevations...35 to
46 lower elevations. Prevailing east winds 5 to 15 mph.
.TUESDAY...Sunny. Not as cool. Highs 42 to 57 higher elevations...
54 to 64 lower elevations. Prevailing east winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows 27 to 42 higher elevations...
38 to 50 lower elevations. Prevailing east winds up to 10 mph.
.WEDNESDAY...Mostly cloudy. A slight chance of rain and snow in
the morning, then a chance of rain in the afternoon. Highs 39 to
54 higher elevations...50 to 60 lower elevations. Snow level
above 8000 feet. Prevailing east winds up to 10 mph.
.WEDNESDAY NIGHT...Rain. Lows 33 to 48.
.NEW YEARS DAY...Rain. Highs 38 to 53.
.THURSDAY NIGHT AND FRIDAY...Rain and snow. Light snow
accumulations possible. Lows 32 to 47. Highs 38 to 53.
.FRIDAY NIGHT THROUGH SUNDAY...Rain with heavy snow likely.
Moderate snow accumulations possible. Lows 28 to 43. Highs 34 to
49.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            51   43   54  /   0    0    0


$$
=