Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
775
FPUS56 KSTO 042122
ZFPSTO
Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
122 PM PST Thu Dec 4 2025
Spot temperatures and probabilities of measurable precipitation
are for tonight, Friday, Friday night, and Saturday.
CAZ013-051200-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Lows 34 to 49. Prevailing north winds up
to 10 mph.
.FRIDAY...Mostly sunny. At higher elevations, areas of frost in
the morning, A slight chance of rain showers in the afternoon.
Highs 49 to 64 higher elevations...62 to 68 lower elevations.
Prevailing north winds up to 10 mph.
.FRIDAY NIGHT...Mostly cloudy with a chance of rain showers.
Patchy fog after midnight. Lows 36 to 48. Light winds.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. A slight chance of rain
showers. Highs 46 to 61 higher elevations...57 to 63 lower
elevations. Light winds.
.SATURDAY NIGHT...Mostly clear. A slight chance of rain showers
in the evening. Lows 33 to 48. Light winds.
.SUNDAY...Mostly cloudy. Highs 48 to 63.
.SUNDAY NIGHT...Partly cloudy. Lows 33 to 48.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 52 to 67. Lows
34 to 49.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a slight chance
of rain showers. Highs 52 to 67. Lows 36 to 51.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 53 to 68.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 37 to 52.
.THURSDAY...Mostly sunny. Highs 54 to 69.
&&
TEMPERATURE / PRECIPITATION
SHASTA DAM 46 65 46 61 / 0 10 20 10
$$
=
CAZ014-051200-
Burney Basin / Eastern Shasta County-
Including the city of Burney
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. At lower elevations, areas of frost in
the late evening and early morning. Patchy fog after midnight.
Widespread frost late in the night. At higher elevations, areas
of frost in the late evening and overnight. Patchy fog late in
the night. Lows 28 to 38. Light winds.
.FRIDAY...Widespread frost and patchy fog in the morning. Mostly
sunny in the morning, then partly cloudy with a slight chance of
rain showers in the afternoon. Highs 49 to 56. Light winds.
.FRIDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Patchy fog through the night. Lows 32 to 41. Light
winds.
.SATURDAY...At higher elevations, patchy fog and frost in the
morning. Mostly cloudy in the morning, then partly cloudy with a
slight chance of rain showers in the afternoon. At lower
elevations, patchy frost in the morning. Patchy fog through the
day. Highs 48 to 56. Light winds.
.SATURDAY NIGHT...Mostly clear. Areas of frost and patchy fog
after midnight. Lows 28 to 37. Light winds.
.SUNDAY...Mostly cloudy. Widespread frost and patchy fog. Highs
49 to 57.
.SUNDAY NIGHT...Partly cloudy. Areas of frost and patchy fog.
Lows 28 to 36.
.MONDAY...Partly cloudy. Widespread frost and patchy fog. Highs
51 to 58.
.MONDAY NIGHT...Partly cloudy. Lows 30 to 41.
.TUESDAY...Partly cloudy. Areas of frost. Highs 53 to 60.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 32 to 42.
.WEDNESDAY...Partly cloudy. Patchy fog and frost. Highs 54 to 62.
.WEDNESDAY NIGHT...Mostly clear. Lows 31 to 41.
.THURSDAY...Mostly sunny. Patchy fog and frost. Highs 55 to 62.
&&
TEMPERATURE / PRECIPITATION
BURNEY 31 54 35 53 / 0 10 20 20
$$
=
CAZ015-051200-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Patchy fog in the late evening and
overnight. Lows 38 to 46. Light winds.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 61 to
67. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
40 to 46. Light winds.
.SATURDAY...Partly cloudy in the morning then clearing. Patchy
fog in the morning. Highs around 60. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
41 to 47. Light winds.
.SUNDAY...Mostly cloudy. Highs 57 to 63.
.SUNDAY NIGHT...Mostly clear. Patchy fog. Lows 41 to 47.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 61 to 67. Lows
41 to 48.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs 60 to 69. Lows
42 to 50.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 44 to 50.
Highs 62 to 68.
&&
TEMPERATURE / PRECIPITATION
REDDING 38 66 41 61 / 0 0 10 10
RED BLUFF 41 63 42 60 / 0 0 0 0
$$
=
CAZ016-051200-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Patchy fog in the late evening and
overnight. Lows 38 to 44. Light winds.
.FRIDAY...Patchy fog in the morning. Mostly sunny. Highs 56 to
64. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
around 42. Light winds.
.SATURDAY...Partly cloudy in the morning then clearing. Patchy
fog in the morning. Highs around 60. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows around 44. Light
winds.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 58.
.SUNDAY NIGHT...Partly cloudy. Patchy fog. Lows around 44.
.MONDAY...Partly cloudy. Highs 59 to 65.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows 42 to 48.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Patchy fog. Highs
57 to 65. Lows 42 to 49.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog. Lows 44 to 49.
.THURSDAY...Partly cloudy. Patchy fog. Highs 59 to 65.
&&
TEMPERATURE / PRECIPITATION
CHICO 41 60 44 60 / 0 0 0 0
OROVILLE 40 57 43 59 / 0 0 0 0
MARYSVILLE/YUBA CITY 39 57 41 60 / 0 0 0 0
$$
=
CAZ017-051200-
Southern Sacramento Valley-
Including the city of Sacramento
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 37 to
43. Light winds.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 54 to 61. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
40 to 45. Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs around
60. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows around 44. Light
winds.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 59.
.SUNDAY NIGHT...Partly cloudy. Patchy fog. Lows around 44.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Patchy fog. Highs 57 to
63. Lows 41 to 47.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Patchy fog. Highs
57 to 63. Lows 41 to 48.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog. Lows 42 to 48.
.THURSDAY...Partly cloudy. Patchy fog. Highs 57 to 63.
&&
TEMPERATURE / PRECIPITATION
SACRAMENTO 40 56 43 60 / 0 0 0 0
SAC EXEC AIRPORT 39 56 42 59 / 0 0 0 0
$$
=
CAZ018-051200-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Lows 37 to 43. Light winds.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs around 58. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
40 to 45. Light winds.
.SATURDAY...Partly cloudy in the morning then clearing. Patchy
fog in the morning. Highs around 60. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
around 44. Light winds.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 59.
.SUNDAY NIGHT...Partly cloudy. Patchy fog. Lows around 45.
.MONDAY...Mostly cloudy. Patchy fog. Highs 57 to 63.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows around 44.
.TUESDAY...Mostly cloudy. Patchy fog. Highs around 59.
.TUESDAY NIGHT...Partly cloudy. Patchy fog. Lows around 45.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs 57 to 63.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog. Lows around 45.
.THURSDAY...Mostly cloudy. Patchy fog. Highs around 60.
&&
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 38 60 41 62 / 0 0 0 0
$$
=
CAZ019-051200-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Patchy fog in the late evening and
overnight. Lows 37 to 43. Light winds.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs around 56. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
40 to 46. Light winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs around
59. Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows 41 to 47. Light
winds.
.SUNDAY...Mostly cloudy. Patchy fog. Highs around 59.
.SUNDAY NIGHT...Partly cloudy. Patchy fog. Lows around 44.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Patchy fog. Highs
around 58. Lows 41 to 47.
.TUESDAY...Mostly cloudy. Patchy fog. Highs around 59.
.TUESDAY NIGHT...Partly cloudy. Patchy fog. Lows 43 to 49.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs 57 to 63.
.WEDNESDAY NIGHT...Mostly clear. Patchy fog. Lows 43 to 49.
.THURSDAY...Partly cloudy. Patchy fog. Highs 58 to 64.
&&
TEMPERATURE / PRECIPITATION
STOCKTON 38 57 41 60 / 0 0 0 0
MODESTO 40 55 42 59 / 0 0 0 0
$$
=
CAZ063-051200-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Lows 40 to 50. Prevailing northwest
winds up to 10 mph.
.FRIDAY...Mostly sunny. Highs 50 to 64 higher elevations...around
65 lower elevations. Prevailing northwest winds up to 10 mph.
.FRIDAY NIGHT...Mostly clear. In the valleys, patchy fog after
midnight. Lows 40 to 50. Prevailing west winds up to 10 mph.
.SATURDAY...Mostly sunny. In the valleys, patchy fog in the
morning. Highs 46 to 61 higher elevations...around 61 lower
elevations. Prevailing northwest winds up to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 40 to 50. Prevailing west
winds up to 10 mph.
.SUNDAY...Partly cloudy. Highs 48 to 63.
.SUNDAY NIGHT...Mostly clear. Lows 38 to 50.
.MONDAY...Mostly sunny. Warmer. Highs 51 to 66.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 41 to 53.
Highs 53 to 68.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 43 to 53.
Highs 54 to 69.
&&
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 46 60 46 56 / 0 0 0 0
$$
=
CAZ066-051200-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Lows 40 to 48. Light winds.
.FRIDAY...Mostly sunny. Highs 57 to 65. Light winds.
.FRIDAY NIGHT...Mostly clear. A slight chance of rain showers
after midnight. Patchy fog after midnight. Lows 42 to 48. Light
winds.
.SATURDAY...Patchy fog in the morning. Mostly sunny. Highs 54 to
62. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 42 to 50. Light winds.
.SUNDAY...Partly cloudy. Highs 54 to 62.
.SUNDAY NIGHT...Mostly clear. Lows 41 to 49.
.MONDAY...Mostly sunny. Highs 58 to 66.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 45 to 52.
Highs 58 to 67.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 45 to 53.
Highs 59 to 67.
&&
TEMPERATURE / PRECIPITATION
PARADISE 44 60 45 57 / 0 0 0 0
$$
=
CAZ067-051200-
Motherlode-
Including the cities of Grass Valley and Jackson
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Lows 38 to 44. Light winds.
.FRIDAY...Sunny. Highs 52 to 62. Light winds.
.FRIDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows
40 to 46. Light winds.
.SATURDAY...Patchy fog in the morning. Sunny. Highs 56 to 62.
Light winds.
.SATURDAY NIGHT...Mostly clear. Patchy fog. Lows 41 to 47. Light
winds.
.SUNDAY...Partly cloudy. Highs 56 to 62.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 46.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 56 to 66. Lows
40 to 48.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 58 to 68. Lows
42 to 50.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 43 to 51.
Highs 59 to 69.
&&
TEMPERATURE / PRECIPITATION
GRASS VALLEY 39 59 39 59 / 0 0 0 0
JACKSON 39 55 42 58 / 0 0 0 0
$$
=
CAZ068-051200-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Areas of frost in the late evening and
overnight. Patchy fog late in the night. Lows 31 to 46. Light
winds.
.FRIDAY...Areas of frost and patchy fog in the morning. Mostly
sunny. Not as cool. Highs 47 to 62. Light winds.
.FRIDAY NIGHT...Mostly clear. At higher elevations, a slight
chance of rain showers in the evening. Patchy fog and frost after
midnight. Lows 31 to 46. Light winds.
.SATURDAY...Partly cloudy in the morning then clearing. Patchy
fog and frost in the morning. Highs 44 to 59. Light winds.
.SATURDAY NIGHT...Mostly clear. At higher elevations, areas of
frost in the evening. Widespread frost after midnight. In the
valleys, areas of frost and patchy fog after midnight. Lows 30 to
45. Light winds.
.SUNDAY...Partly cloudy. Widespread frost. Highs 45 to 60.
.SUNDAY NIGHT...Mostly clear. Areas of frost. Lows 30 to 45.
.MONDAY...Mostly sunny. Widespread frost. Not as cool. Highs
48 to 63.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 34 to 49.
Highs 51 to 66.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 34 to 49.
Highs 51 to 66.
&&
TEMPERATURE / PRECIPITATION
QUINCY 31 57 33 58 / 0 0 0 0
CHESTER 29 57 31 56 / 0 10 10 10
$$
=
CAZ069-051200-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
122 PM PST Thu Dec 4 2025
.TONIGHT...Mostly clear. Widespread frost after midnight. Areas
of frost late in the night. Lows 28 to 43 higher elevations...
37 to 47 lower elevations. Prevailing northeast winds up to
10 mph.
.FRIDAY...Areas of frost in the morning. Sunny. Not as cool.
Highs 46 to 61 higher elevations...54 to 66 lower elevations.
Prevailing northeast winds up to 10 mph in the morning becoming
light.
.FRIDAY NIGHT...Mostly clear. Areas of frost after midnight. Lows
30 to 45 higher elevations...39 to 48 lower elevations. Light
winds.
.SATURDAY...Areas of frost in the morning. Mostly sunny. Highs
44 to 59 higher elevations...54 to 64 lower elevations. Light
winds.
.SATURDAY NIGHT...Mostly clear. Widespread frost after midnight.
Lows 29 to 44 higher elevations...39 to 49 lower elevations.
Light winds.
.SUNDAY...Partly cloudy. Highs 48 to 63.
.SUNDAY NIGHT...Mostly clear. Lows 31 to 46.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 52 to 67. Lows
33 to 48.
.TUESDAY NIGHT...Partly cloudy. Lows 37 to 52.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 55 to 70. Lows
37 to 52.
&&
TEMPERATURE / PRECIPITATION
BLUE CANYON 42 57 43 54 / 0 0 0 0
$$
=