485
FPUS56 KSTO 182123
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
122 PM PST Sun Jan 18 2026

Spot temperatures and probabilities of measurable precipitation
are for tonight, Martin Luther King Jr Day, Monday night, and
Tuesday.


CAZ013-191200-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
122 PM PST Sun Jan 18 2026

.TONIGHT...Clear. Lows 34 to 49 higher elevations...42 to
52 lower elevations. Prevailing north winds up to 10 mph.
.MARTIN LUTHER KING JR DAY...Sunny. Highs 52 to 67 higher
elevations...64 to 71 lower elevations. Prevailing northeast
winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 31 to 46 higher elevations...
39 to 48 lower elevations. Prevailing northeast winds up to
10 mph.
.TUESDAY...Mostly sunny. Highs 49 to 64 higher elevations...61 to
67 lower elevations. Prevailing northeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 33 to 48. Prevailing north
winds up to 10 mph.
.WEDNESDAY...Partly cloudy. Highs 51 to 66.
.WEDNESDAY NIGHT...Partly cloudy. Lows 32 to 47.
.THURSDAY...Mostly sunny. Highs 51 to 66.
.THURSDAY NIGHT...Clear. Lows 31 to 46.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 48 to 63. Lows
30 to 45.
.SATURDAY...Partly cloudy with a slight chance of rain. Highs
46 to 61.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain.
Lows 29 to 44.
.SUNDAY...Partly cloudy with a slight chance of rain and snow.
Highs 46 to 61.

&&
                           TEMPERATURE    /    PRECIPITATION
SHASTA DAM             49   68   46   64  /   0    0    0    0


$$
=

CAZ014-191200-
Burney Basin / Eastern Shasta County-
Including the city of Burney
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. In the valleys, patchy fog after
midnight. Colder. Lows 23 to 37. Light winds.
.MARTIN LUTHER KING JR DAY...In the valleys, patchy fog in the
morning. Sunny. Highs 52 to 59. Light winds.
.MONDAY NIGHT...Clear. In the valleys, patchy fog after midnight.
Lows 22 to 36. Prevailing east winds up to 10 mph.
.TUESDAY...In the valleys, patchy fog in the morning. Mostly
sunny. Highs 50 to 56. Light winds.
.TUESDAY NIGHT...Partly cloudy. Patchy fog in the valleys. Lows
25 to 39. Light winds.
.WEDNESDAY...Partly cloudy. Patchy fog. Highs 50 to 56.
.WEDNESDAY NIGHT...Partly cloudy. Lows 27 to 36.
.THURSDAY...Mostly sunny. Highs 50 to 58.
.THURSDAY NIGHT...Clear. Patchy fog. Lows 26 to 34.
.FRIDAY THROUGH SATURDAY...Mostly clear. Patchy fog. Highs 46 to
55. Lows 26 to 34.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 26 to 35.
.SUNDAY...Partly cloudy with a slight chance of rain. Patchy fog.
Highs 47 to 55.

&&
                           TEMPERATURE    /    PRECIPITATION
BURNEY                 27   55   26   53  /   0    0    0    0


$$
=

CAZ015-191200-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. Lows 39 to 47. Northwest winds up to
10 mph.
.MARTIN LUTHER KING JR DAY...Mostly sunny. Highs 64 to 70. North
winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 37 to 45. North winds up to
10 mph.
.TUESDAY...Partly cloudy. Highs 60 to 66. Light winds.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog after midnight. Lows 40 to 46. Light
winds.
.WEDNESDAY...Mostly cloudy. Highs 59 to 65.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 39 to 45.
.THURSDAY...Mostly sunny. Highs 60 to 66.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Patchy fog. Lows
37 to 43. Highs 55 to 65.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Patchy fog. Lows
around 40. Highs 56 to 62.

&&
                           TEMPERATURE    /    PRECIPITATION
REDDING                41   69   37   64  /   0    0    0    0
RED BLUFF              40   66   38   62  /   0    0    0    0


$$
=

CAZ016-191200-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. Haze and patchy dense fog in the late
evening and overnight. Lows 37 to 45. Light winds.
.MARTIN LUTHER KING JR DAY...Mostly sunny. Haze and patchy dense
fog. Highs 57 to 67. North winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows 38 to 44. Light
winds.
.TUESDAY...Patchy fog in the morning. Partly cloudy. Highs around
61. Light winds.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows
39 to 45. Light winds.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs around 59.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 43.
.THURSDAY...Partly cloudy. Patchy fog. Highs around 60.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Patchy fog.
Lows around 41. Highs around 59.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Patchy fog. Highs
around 57. Lows around 41.

&&
                           TEMPERATURE    /    PRECIPITATION
CHICO                  41   63   40   61  /   0    0    0    0
OROVILLE               40   59   40   61  /   0    0    0    0
MARYSVILLE/YUBA CITY   38   58   39   61  /   0    0    0    0


$$
=

CAZ017-191200-
Southern Sacramento Valley-
Including the city of Sacramento
122 PM PST Sun Jan 18 2026

.TONIGHT...Partly cloudy. Haze through the night. Patchy dense
fog in the late evening and overnight. Lows 37 to 45. Light
winds.
.MARTIN LUTHER KING JR DAY...Mostly cloudy in the morning then
becoming partly cloudy. Haze and patchy dense fog through the
day. Highs 55 to 61. Light winds.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows 38 to 44. Light
winds.
.TUESDAY...Patchy fog in the morning. Mostly cloudy. Highs around
61. Light winds.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 39 to 45. Light
winds.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs around 59.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 43.
.THURSDAY...Mostly cloudy. Patchy fog. Highs around 60.
.THURSDAY NIGHT...Mostly clear. Patchy fog. Lows around 42.
.FRIDAY...Partly cloudy. Patchy fog. Highs around 58.
.FRIDAY NIGHT...Mostly clear. Patchy fog. Lows around 42.
.SATURDAY...Mostly cloudy. Patchy fog. Highs around 58.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows around 41.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 58.

&&
                           TEMPERATURE    /    PRECIPITATION
SACRAMENTO             41   57   41   61  /   0    0    0    0
SAC EXEC AIRPORT       39   57   40   61  /   0    0    0    0


$$
=

CAZ018-191200-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly cloudy. Haze and patchy dense fog. Lows 38 to
43. Light winds.
.MARTIN LUTHER KING JR DAY...Mostly cloudy in the morning then
becoming mostly sunny. Haze and patchy dense fog through the day.
Highs around 58. Northeast winds up to 10 mph.
.MONDAY NIGHT...Partly cloudy. Patchy fog through the night. Lows
around 41. Light winds.
.TUESDAY...Patchy fog in the morning. Mostly cloudy. Highs around
60. Northeast winds up to 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog through the night.
Lows around 42. Light winds.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs around 59.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 44.
.THURSDAY...Mostly cloudy. Patchy fog. Highs around 61.
.THURSDAY NIGHT...Mostly clear. Patchy fog. Lows around 43.
.FRIDAY...Mostly cloudy. Patchy fog. Highs around 59.
.FRIDAY NIGHT...Mostly clear. Patchy fog. Lows around 43.
.SATURDAY...Mostly cloudy. Patchy fog. Highs around 59.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows around 42.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 58.

&&
                           TEMPERATURE    /    PRECIPITATION
FAIRFIELD/SUISUN       39   59   39   61  /   0    0    0    0


$$
=

CAZ019-191200-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly cloudy. Haze and patchy dense fog through the
night. Lows 40 to 46. Light winds.
.MARTIN LUTHER KING JR DAY...Mostly cloudy in the morning then
becoming mostly sunny. Haze and patchy dense fog through the day.
Highs 55 to 61. Light winds.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows around 42. Light
winds.
.TUESDAY...Mostly cloudy. Patchy fog. Highs around 61. Light
winds.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 40 to 46. Light
winds.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs around 60.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows around 45.
.THURSDAY...Mostly cloudy. Patchy fog. Highs around 61.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Patchy fog.
Lows around 43. Highs around 59.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Patchy fog. Highs
around 59. Lows around 43.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 58.

&&
                           TEMPERATURE    /    PRECIPITATION
STOCKTON               40   59   40   61  /   0    0    0    0
MODESTO                43   57   42   61  /   0    0    0    0


$$
=

CAZ063-191200-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. Haze late in the night. Lows 41 to 53.
Prevailing northwest winds up to 10 mph.
.MARTIN LUTHER KING JR DAY...Haze in the morning. Mostly sunny.
Highs 53 to 67 higher elevations...around 68 lower elevations.
Prevailing north winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 40 to 50. Prevailing northwest
winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 52 to 67. Prevailing northwest
winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 41 to 51. Light winds.
.WEDNESDAY...Mostly cloudy. Highs 49 to 64.
.WEDNESDAY NIGHT...Partly cloudy. Lows 38 to 48.
.THURSDAY...Mostly sunny. Highs 50 to 65.
.THURSDAY NIGHT...Clear. Lows 37 to 47.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 47 to 62. Lows
35 to 47.
.SATURDAY NIGHT...Partly cloudy. Lows 35 to 45.
.SUNDAY...Partly cloudy with a slight chance of rain. Highs 46 to
61.

&&
                           TEMPERATURE    /    PRECIPITATION
ALDER SPRINGS          49   62   47   60  /   0    0    0    0


$$
=

CAZ066-191200-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
122 PM PST Sun Jan 18 2026

.TONIGHT...Clear. Lows 42 to 50. Prevailing northeast winds up to
10 mph.
.MARTIN LUTHER KING JR DAY...Sunny. Highs 61 to 69. Prevailing
northeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 40 to 48. Prevailing northeast
winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 60 to 66. Prevailing northeast
winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 43 to 49. Prevailing
northeast winds up to 10 mph.
.WEDNESDAY...Partly cloudy. Highs 57 to 65.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 41 to 48.
.THURSDAY...Mostly sunny. Highs 57 to 65.
.THURSDAY NIGHT...Clear. Lows 40 to 46.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 56 to 62. Lows
39 to 46.
.SATURDAY...Partly cloudy with a slight chance of rain. Highs
54 to 60.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain.
Lows 39 to 45.
.SUNDAY...Partly cloudy with a slight chance of rain. Highs 54 to
60.

&&
                           TEMPERATURE    /    PRECIPITATION
PARADISE               47   64   45   63  /   0    0    0    0


$$
=

CAZ067-191200-
Motherlode-
Including the cities of Grass Valley and Jackson
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. Haze in the late evening and overnight.
Patchy dense fog late in the night. Lows 39 to 49. Light winds.
.MARTIN LUTHER KING JR DAY...Sunny. Patchy dense fog in the
morning. Haze through the day. Highs 58 to 68. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 39 to 49. Light winds.
.TUESDAY...Mostly sunny. Highs 60 to 68. Light winds.
.TUESDAY NIGHT...Partly cloudy. Lows 41 to 49. Light winds.
.WEDNESDAY...Partly cloudy. Highs 59 to 65.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 42 to 48.
.THURSDAY...Partly cloudy. Highs 58 to 64.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 39 to 45. Highs
56 to 62.
.FRIDAY NIGHT...Mostly clear. Patchy fog. Lows 38 to 44.
.SATURDAY...Mostly sunny. Highs 54 to 60.
.SATURDAY NIGHT...Partly cloudy. Patchy fog. Lows 38 to 44.
.SUNDAY...Partly cloudy. Highs 55 to 61.

&&
                           TEMPERATURE    /    PRECIPITATION
GRASS VALLEY           42   65   41   64  /   0    0    0    0
JACKSON                43   60   43   63  /   0    0    0    0


$$
=

CAZ068-191200-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
122 PM PST Sun Jan 18 2026

.TONIGHT...Clear, colder. Lows 28 to 43. Prevailing northeast
winds up to 10 mph.
.MARTIN LUTHER KING JR DAY...Sunny. Highs 41 to 56 higher
elevations...49 to 64 lower elevations. Prevailing northeast
winds up to 10 mph.
.MONDAY NIGHT...Clear. Lows 26 to 41. Prevailing northeast winds
up to 10 mph with gusts to around 25 mph.
.TUESDAY...Mostly sunny. Highs 43 to 58 higher elevations...48 to
63 lower elevations. Prevailing northeast winds up to 10 mph.
.TUESDAY NIGHT...Partly cloudy. In the valleys, patchy fog after
midnight. Lows 28 to 43. Light winds.
.WEDNESDAY...Partly cloudy. Highs 46 to 61.
.WEDNESDAY NIGHT...Partly cloudy. Lows 29 to 44.
.THURSDAY...Mostly sunny. Highs 45 to 60.
.THURSDAY NIGHT...Clear. Lows 27 to 42.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 43 to 58. Lows
27 to 42.
.SATURDAY...Partly cloudy with a slight chance of rain and snow.
Highs 41 to 56.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain and
snow. Lows 26 to 41.
.SUNDAY...Partly cloudy with a slight chance of rain and snow.
Highs 42 to 57.

&&
                           TEMPERATURE    /    PRECIPITATION
QUINCY                 26   55   25   55  /   0    0    0    0
CHESTER                24   52   21   53  /   0    0    0    0


$$
=

CAZ069-191200-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
122 PM PST Sun Jan 18 2026

.TONIGHT...Mostly clear. Haze after midnight. Colder. Lows 28 to
43 higher elevations...40 to 52 lower elevations. Prevailing
northeast winds up to 10 mph.
.MARTIN LUTHER KING JR DAY...Sunny, haze. Highs 44 to 59 higher
elevations...58 to 70 lower elevations. Prevailing northeast
winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 27 to 42 higher elevations...
38 to 52 lower elevations. Prevailing east winds up to 10 mph.
.TUESDAY...Mostly sunny. Highs 46 to 61 higher elevations...59 to
69 lower elevations. Prevailing east winds up to 10 mph in the
morning becoming light.
.TUESDAY NIGHT...Partly cloudy. Lows 28 to 43 higher elevations...
40 to 52 lower elevations. Prevailing northeast winds up to
10 mph.
.WEDNESDAY...Partly cloudy. Highs 48 to 63.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 32 to 47.
.THURSDAY...Partly cloudy. Highs 46 to 61.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 27 to 42.
Highs 43 to 58.
.SATURDAY NIGHT...Partly cloudy. Lows 27 to 42.
.SUNDAY...Mostly sunny. Highs 43 to 58.

&&
                           TEMPERATURE    /    PRECIPITATION
BLUE CANYON            47   59   45   60  /   0    0    0    0


$$
=