238
FPUS56 KSTO 200922
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
122 AM PST Thu Nov 20 2025

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


CAZ013-210000-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy with a chance of rain showers early in the
morning, then mostly cloudy with a slight chance of rain showers
late in the morning. Mostly sunny in the afternoon. Highs 40 to
55 higher elevations...52 to 60 lower elevations. Light winds.
.TONIGHT...Clear. Lows 28 to 43 higher elevations...37 to
47 lower elevations. Prevailing north winds up to 10 mph.
.FRIDAY...Sunny. Not as cool. Highs 46 to 61 higher elevations...
58 to 66 lower elevations. Prevailing northeast winds up to
10 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows 30 to 45 higher elevations...39 to
49 lower elevations. Prevailing north winds up to 10 mph.
.SATURDAY...Sunny, warmer. Highs 50 to 65 higher elevations...
61 to 69 lower elevations. Prevailing northeast winds up to
10 mph.
.SATURDAY NIGHT...Clear. Lows 31 to 46.
.SUNDAY...Mostly sunny. Highs 50 to 65.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 30 to
45. Highs 48 to 63.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 46 to 61. Lows
30 to 45.
.WEDNESDAY...Mostly cloudy. Highs 47 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             57   46   64  /  50    0    0


$$
=

CAZ014-210000-
Burney Basin / Eastern Shasta County-
Including the city of Burney
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. At lower elevations, rain showers likely
early in the morning, then a chance of rain showers late in the
morning. A slight chance of rain showers early in the afternoon.
At higher elevations, rain and snow showers likely early in the
morning, then a chance of rain and snow showers late in the
morning. A slight chance of rain and snow showers early in the
afternoon. Highs 37 to 50. No snow accumulation lower
elevations...up to 1 inch higher elevations. Light winds.
.TONIGHT...Mostly clear. Colder. Lows 21 to 31. Prevailing
northeast winds up to 10 mph.
.FRIDAY...Sunny. Not as cool. Highs 45 to 54. Prevailing
northeast winds up to 10 mph.
.FRIDAY NIGHT...Clear. Lows 22 to 32. Prevailing east winds up to
10 mph.
.SATURDAY...Mostly sunny. Highs 50 to 58. Light winds.
.SATURDAY NIGHT...Clear. Lows 24 to 35.
.SUNDAY...Mostly sunny. Highs 50 to 57.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 21 to
34. Highs 47 to 54.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 44 to 52. Lows
21 to 33.
.WEDNESDAY...Mostly cloudy. Highs 47 to 55.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 46   24   52  /  70    0    0


$$
=

CAZ015-210000-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy with a chance of rain showers early in the
morning, then mostly cloudy with a slight chance of rain showers
late in the morning. Mostly sunny in the afternoon. Highs 54 to
60. Light winds becoming north up to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 41 to 47. Northwest winds up to 10 mph
with gusts to around 20 mph.
.FRIDAY...Sunny. Highs 61 to 67. North winds 10 to 15 mph with
gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows 40 to 48. North winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 62 to 68. North winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 39 to 45.
.SUNDAY...Mostly sunny. Highs around 61.
.SUNDAY NIGHT...Partly cloudy. Lows 40 to 46.
.MONDAY...Mostly sunny. Highs around 62.
.MONDAY NIGHT...Partly cloudy. Lows 40 to 46.
.TUESDAY...Mostly sunny. Highs around 62.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 40 to 46.
Highs 59 to 65.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                59   44   66  /  60    0    0
RED BLUFF              59   43   65  /  60    0    0


$$
=

CAZ016-210000-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. A chance of rain showers in the morning,
then a slight chance of rain showers early in the afternoon.
Highs around 56. Light winds becoming north up to 10 mph in the
afternoon.
.TONIGHT...Mostly clear. Lows 41 to 47. Northwest winds up to
10 mph with gusts to around 20 mph.
.FRIDAY...Sunny. Highs around 63. North winds 10 to 15 mph with
gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows 40 to 46. North winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Mostly sunny. Highs 59 to 65. North winds up to
10 mph.
.SATURDAY NIGHT...Clear. Lows 39 to 45.
.SUNDAY...Mostly sunny. Highs around 61.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 46.
.MONDAY...Partly cloudy. Highs around 61.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 40 to 46. Highs
around 61.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 40 to 45.
Highs around 61.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  56   43   64  /  70   10    0
OROVILLE               56   42   65  /  70   10    0
MARYSVILLE/YUBA CITY   57   42   64  /  70   10    0


$$
=

CAZ017-210000-
Southern Sacramento Valley-
Including the city of Sacramento
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. Rain showers likely in the morning, then
a chance of rain showers early in the afternoon. A slight chance
of rain showers late in the afternoon. Highs 52 to 58. Light
winds.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 40 to 46. North winds up to 10 mph. Gusts up to
25 mph after midnight.
.FRIDAY...Partly cloudy in the morning then clearing. Highs 56 to
64. North winds up to 10 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Mostly clear. Lows 39 to 46. Light winds.
.SATURDAY...Mostly sunny. Highs 57 to 63. Light winds.
.SATURDAY NIGHT...Clear. Lows 39 to 45.
.SUNDAY...Mostly sunny. Highs around 60.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 46.
.MONDAY...Partly cloudy. Highs around 60.
.MONDAY NIGHT...Mostly clear. Lows 40 to 46.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 57 to 63. Lows
39 to 46.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             55   45   59  /  70   10    0
SAC EXEC AIRPORT       57   43   62  /  70   10    0


$$
=

CAZ018-210000-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. Rain showers likely in the morning, then
a chance of rain showers early in the afternoon. A slight chance
of rain showers late in the afternoon. Highs around 57. East
winds up to 10 mph shifting to the northwest in the afternoon.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 44. Northwest winds up to 10 mph. Gusts up to
20 mph after midnight.
.FRIDAY...Mostly sunny. Highs 58 to 64. Northwest winds up to
10 mph with gusts to around 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 42. Light winds.
.SATURDAY...Mostly sunny. Highs 57 to 63. Northeast winds up to
10 mph.
.SATURDAY NIGHT...Clear. Lows 40 to 46.
.SUNDAY...Mostly sunny. Highs around 60.
.SUNDAY NIGHT...Mostly clear. Lows around 44.
.MONDAY...Mostly cloudy. Highs around 60.
.MONDAY NIGHT...Mostly clear. Lows 42 to 47.
.TUESDAY...Partly cloudy. Highs 57 to 63.
.TUESDAY NIGHT...Mostly clear. Lows 40 to 46.
.WEDNESDAY...Partly cloudy. Highs 57 to 63.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       60   42   65  /  70   10    0


$$
=

CAZ019-210000-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. Rain showers in the morning, then a
chance of rain showers in the afternoon. Highs 50 to 58. Light
winds becoming west up to 10 mph in the afternoon.
.TONIGHT...Mostly cloudy. A slight chance of rain showers in the
evening. Lows 41 to 47. Light winds.
.FRIDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 54 to 60. Northwest winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 39 to 45. Light winds.
.SATURDAY...Mostly sunny. Highs 56 to 62. Light winds.
.SATURDAY NIGHT...Clear. Lows 40 to 46.
.SUNDAY...Mostly sunny. Highs around 60.
.SUNDAY NIGHT...Clear. Lows 41 to 47.
.MONDAY...Partly cloudy. Highs around 60.
.MONDAY NIGHT...Mostly clear. Lows 40 to 46.
.TUESDAY...Partly cloudy. Highs 55 to 61.
.TUESDAY NIGHT...Mostly clear. Lows 40 to 46.
.WEDNESDAY...Mostly cloudy. Highs around 59.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               58   42   61  /  80   20    0
MODESTO                55   46   57  /  80   20    0


$$
=

CAZ063-210000-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy in the morning then clearing. At lower
elevations, a chance of rain showers in the morning, then a
slight chance of rain showers early in the afternoon. At higher
elevations, a chance of rain and snow showers early in the
morning. A slight chance of rain showers early in the afternoon.
Highs 36 to 51 higher elevations...52 to 57 lower elevations.
Snow level 5000 feet. Prevailing northwest winds up to 10 mph.
.TONIGHT...Mostly clear. Lows 30 to 44 higher elevations...42 to
48 lower elevations. Prevailing northwest winds up to 15 mph.
.FRIDAY...Sunny. Not as cool. Highs 44 to 59 higher elevations...
59 to 65 lower elevations. Prevailing north winds 5 to 15 mph.
.FRIDAY NIGHT...Clear. Lows 36 to 50. Prevailing northwest winds
up to 10 mph.
.SATURDAY...Sunny, warmer. Highs 49 to 64 higher elevations...
around 65 lower elevations. Prevailing north winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 37 to 49.
.SUNDAY...Mostly sunny. Highs 49 to 64.
.SUNDAY NIGHT...Partly cloudy. Lows 36 to 48.
.MONDAY...Mostly sunny. Highs 46 to 61.
.MONDAY NIGHT...Partly cloudy. Lows 35 to 49.
.TUESDAY...Mostly sunny. Highs 47 to 62.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 37 to 49.
Highs 48 to 63.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          44   37   52  /  40    0    0


$$
=

CAZ066-210000-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. Rain showers likely early in the morning,
then a chance of rain showers in the late morning and early
afternoon. A slight chance of rain showers late in the afternoon.
Highs 44 to 56. Light winds.
.TONIGHT...Mostly clear. Lows 37 to 47. Prevailing northeast
winds up to 10 mph.
.FRIDAY...Sunny, warmer. Highs 55 to 65. Prevailing northeast
winds up to 10 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows 39 to 49. Prevailing northeast winds
up to 10 mph.
.SATURDAY...Sunny. Highs 56 to 66. Prevailing northeast winds up
to 10 mph.
.SATURDAY NIGHT...Clear. Lows 39 to 49.
.SUNDAY...Sunny. Highs 53 to 63.
.SUNDAY NIGHT...Partly cloudy. Lows 39 to 49.
.MONDAY...Mostly sunny. Highs 53 to 63.
.MONDAY NIGHT...Partly cloudy. Lows 38 to 48.
.TUESDAY...Mostly sunny. Highs 52 to 62.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 39 to 49.
Highs 55 to 63.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               49   44   60  /  80   10    0


$$
=

CAZ067-210000-
Motherlode-
Including the cities of Grass Valley and Jackson
122 AM PST Thu Nov 20 2025

.TODAY...Rain showers until late afternoon, then a chance of rain
showers late in the afternoon. Highs 43 to 53. Light winds.
.TONIGHT...Mostly cloudy with a slight chance of rain showers in
the evening, then partly cloudy after midnight. Lows 37 to 43.
Light winds.
.FRIDAY...Mostly sunny. Not as cool. Highs 51 to 63. Light winds.
.FRIDAY NIGHT...Clear. Lows 38 to 44. Light winds.
.SATURDAY...Sunny. Highs 54 to 62. Light winds.
.SATURDAY NIGHT...Clear. Lows 39 to 45.
.SUNDAY...Sunny. Highs 55 to 63.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 38 to
47. Highs 53 to 62.
.WEDNESDAY...Partly cloudy. Highs 55 to 63.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           46   37   59  /  80   20    0
JACKSON                49   40   55  /  80   20    0


$$
=

CAZ068-210000-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
122 AM PST Thu Nov 20 2025

.TODAY...Mostly cloudy. At lower elevations, rain and snow
showers likely early in the morning, then a chance of snow
showers late in the morning. A chance of rain showers in the late
morning and early afternoon, then a slight chance of rain showers
late in the afternoon. At higher elevations, rain and snow
showers likely early in the morning, then a chance of rain and
snow showers in the late morning and early afternoon. A slight
chance of rain and snow showers late in the afternoon. Highs
33 to 48. No snow accumulation lower elevations...up to 2 inches
higher elevations. Snow level 5500 feet. Light winds.
.TONIGHT...Mostly clear. Colder. Lows 24 to 39. Prevailing
northeast winds up to 10 mph with gusts to around 25 mph.
.FRIDAY...Sunny. Not as cool. Highs 37 to 52 higher elevations...
44 to 57 lower elevations. Prevailing northeast winds up to
10 mph with gusts to around 25 mph.
.FRIDAY NIGHT...Clear. Lows 27 to 42. Prevailing northeast winds
up to 10 mph with gusts to around 25 mph.
.SATURDAY...Sunny. Not as cool. Highs 44 to 59. Prevailing
northeast winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 28 to 43.
.SUNDAY...Mostly sunny. Highs 45 to 60.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 29 to 44. Highs
43 to 58.
.MONDAY NIGHT...Partly cloudy. Colder. Lows 26 to 41.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 41 to 56. Lows
27 to 42.
.WEDNESDAY...Partly cloudy. Not as cool. Highs 44 to 59.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 48   29   54  /  80   20    0
CHESTER                44   25   51  /  80   10    0


$$
=

CAZ069-210000-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
122 AM PST Thu Nov 20 2025

.TODAY...At higher elevations, a chance of rain and snow showers
early in the morning, then rain and snow showers in the late
morning and afternoon. At lower elevations, a chance of rain
showers early in the morning, then rain showers in the late
morning and early afternoon. A chance of rain showers late in the
afternoon. Highs 28 to 43 higher elevations...39 to 47 lower
elevations. No snow accumulation lower elevations...2 to 4 inches
higher elevations. Snow level 6000 feet. Light winds.
.TONIGHT...Mostly cloudy in the evening then clearing. At lower
elevations, a chance of rain showers in the evening. At higher
elevations, a chance of snow showers in the evening, then a
slight chance of snow showers after midnight. Lows 22 to
36 higher elevations...33 to 41 lower elevations. No snow
accumulation lower elevations...up to 2 inches higher elevations.
Snow level 6000 feet. Prevailing northeast winds up to 10 mph
with gusts to around 30 mph. Over ridges, prevailing northeast
winds 5 to 15 mph increasing to 15 to 25 mph after midnight.
.FRIDAY...Mostly sunny. At higher elevations, a slight chance of
snow showers in the morning. Not as cool. Highs 34 to 49 higher
elevations...50 to 60 lower elevations. Prevailing east winds up
to 15 mph with gusts to around 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows 23 to 38 higher elevations...
35 to 45 lower elevations. Prevailing northeast winds up to
15 mph with gusts to around 30 mph.
.SATURDAY...Sunny. Not as cool. Highs 39 to 54 higher
elevations...53 to 63 lower elevations. Prevailing east winds up
to 15 mph.
.SATURDAY NIGHT...Clear. Lows 27 to 42.
.SUNDAY...Sunny. Highs 46 to 61.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 28 to 43.
Highs 45 to 60.
.TUESDAY...Partly cloudy. Highs 43 to 58.
.TUESDAY NIGHT...Mostly clear. Lows 28 to 43.
.WEDNESDAY...Partly cloudy. Not as cool. Highs 47 to 62.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            39   36   49  /  90   30   10


$$
=