Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
296
FPUS56 KSTO 202102
ZFPSTO
Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
201 PM PDT Sun Sep 20 2026
Spot temperatures and probabilities of measurable precipitation
are for tonight, Monday, Monday night, and Tuesday.
CAZ121-211100-
W. Shasta County Above 3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 54 to 64. Light winds.
.MONDAY...Partly cloudy in the morning then clearing. Highs 76 to
86. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
51 to 61. Light winds.
.TUESDAY...Sunny. Highs 73 to 83. Northwest winds up to 10 mph in
the morning becoming light.
.TUESDAY NIGHT...Clear. Lows 48 to 58. West winds up to 10 mph
shifting to the northwest around 10 mph after midnight.
.WEDNESDAY...Mostly sunny. Highs 72 to 82.
.WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 70 to 80.
Lows 48 to 58.
.FRIDAY...Partly cloudy with a slight chance of rain. Highs 61 to
71.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 44 to 54. Highs
62 to 72.
$$
=
CAZ122-211100-
W. Shasta County 1000-3000 ft-
Including the city of Whiskeytown
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 58 to 68. Light winds.
.MONDAY...Mostly sunny. Highs 84 to 94. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
56 to 66. Light winds.
.TUESDAY...Sunny. Highs 82 to 92. Light winds.
.TUESDAY NIGHT...Clear. Lows 54 to 64. Southwest winds up to
10 mph shifting to the northwest after midnight. Gusts up to
20 mph.
.WEDNESDAY...Mostly sunny. Highs 81 to 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65.
.THURSDAY...Mostly sunny. Highs 79 to 89.
.THURSDAY NIGHT...Partly cloudy. Lows 52 to 62.
.FRIDAY...Partly cloudy with a slight chance of rain. Highs 71 to
81.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 49 to 59. Highs
72 to 82.
$$
=
CAZ123-211100-
Shasta Lake Area & 1-5 1000-3000 ft-
Including the city of Shasta Lake, Sims
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 55 to 65. Light winds.
.MONDAY...Partly cloudy in the morning then clearing. Highs 83 to
93. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
53 to 63. Light winds.
.TUESDAY...Sunny. Highs 81 to 91. Light winds.
.TUESDAY NIGHT...Clear. Lows 52 to 62. Light winds.
.WEDNESDAY...Mostly sunny. Highs 81 to 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 53 to 63.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 78 to 88.
Lows 52 to 62.
.FRIDAY...Partly cloudy with a slight chance of rain. Highs 70 to
80.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 47 to 57. Highs
71 to 81.
&&
TEMPERATURE / PRECIPITATION
SHASTA DAM 66 91 64 89 / 0 0 0 0
$$
=
CAZ124-211100-
Shasta Metro-
Including the city of Redding, Anderson
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 59 to 67. Light winds.
.MONDAY...Partly cloudy in the morning then clearing. Highs
around 91. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
58 to 65. Light winds.
.TUESDAY...Sunny. Highs around 89. Light winds.
.TUESDAY NIGHT...Clear. Lows 57 to 63. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 65.
.THURSDAY...Mostly sunny. Highs around 89.
.THURSDAY NIGHT...Partly cloudy. Lows around 60.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 82. Lows
53 to 60.
&&
TEMPERATURE / PRECIPITATION
REDDING 60 91 58 90 / 0 0 0 0
RED BLUFF 61 90 60 88 / 0 0 0 0
$$
=
CAZ125-211100-
Shasta County Foothills 1000-3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows around 61. Light winds.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 84 to
90. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming mostly
clear. Lows around 59. Light winds.
.TUESDAY...Sunny. Highs 82 to 88. Light winds.
.TUESDAY NIGHT...Clear. Lows 55 to 61. Light winds.
.WEDNESDAY...Mostly sunny. Highs 82 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 62.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 81 to 89.
Lows 54 to 62.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 81. Lows 51 to
60.
$$
=
CAZ126-211100-
E. Shasta /S. Cascades Above 3000 ft-
Including the city of Shingletown
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 48 to 58. Light winds.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 74 to 84. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming mostly
clear. Lows 46 to 56. Light winds.
.TUESDAY...Sunny. Highs 72 to 82. Light winds.
.TUESDAY NIGHT...Clear. Lows 44 to 54. Light winds.
.WEDNESDAY...Mostly sunny. Highs 71 to 81.
.WEDNESDAY NIGHT...Mostly clear. Lows 46 to 56.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 69 to 79.
Lows 45 to 55.
.FRIDAY...Partly cloudy with a slight chance of rain. Highs 61 to
71.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 39 to 49. Highs
62 to 72.
$$
=
CAZ127-211100-
Burney Basin-
Including the city of Burney
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 45 to 55. Light winds.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 75 to 85. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming mostly
clear. Lows 43 to 53. Light winds.
.TUESDAY...Sunny. Highs 74 to 84. Light winds.
.TUESDAY NIGHT...Clear. Lows 42 to 50. West winds up to 10 mph
with gusts to around 20 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 73 to 83.
.WEDNESDAY NIGHT...Mostly clear. Lows 42 to 52.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 72 to 82.
Lows 42 to 52.
.FRIDAY...Partly cloudy with a slight chance of rain. Highs 63 to
73.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 36 to 46. Highs
63 to 73.
&&
TEMPERATURE / PRECIPITATION
BURNEY 47 85 45 83 / 0 0 0 0
$$
=
CAZ128-211100-
Lassen Volcanic NP-
Including the city of Lassen National Park
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 47 to 53. Light winds.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 65 to
75. Light winds.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
44 to 50. Light winds.
.TUESDAY...Sunny. Highs 64 to 74. Light winds.
.TUESDAY NIGHT...Clear. Lows 43 to 49. West winds up to 10 mph in
the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 63 to 73.
.WEDNESDAY NIGHT...Mostly clear. Lows 43 to 49.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 61 to 71.
Lows 43 to 49.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 53 to 63. Lows 36 to
43.
$$
=
CAZ129-211100-
Sierra (Tehama-Plumas) 1000-3000 ft-
Including the city of Paradise
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 60 to 68. Light winds.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 78 to
88. Light winds becoming southwest up to 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 57 to 65. Southeast winds up
to 10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 78 to 86. Light winds becoming southwest
up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 66. South winds up to 10 mph
in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 81 to 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 68.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 81 to 89. Lows
58 to 68.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 72 to 81. Lows 55 to
65.
&&
TEMPERATURE / PRECIPITATION
PARADISE 64 80 62 80 / 0 0 0 0
$$
=
CAZ130-211100-
Sierra (Tehama-Plumas) Above 3000 ft-
Including the city of Mineral, Quincy
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 49 to 59. Light winds.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 72 to
82. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 47 to 57. Light winds.
.TUESDAY...Sunny. Highs 72 to 82. Light winds.
.TUESDAY NIGHT...Clear. Lows 46 to 56. Light winds.
.WEDNESDAY...Sunny. Highs 72 to 82.
.WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57.
.THURSDAY...Mostly sunny. Highs 70 to 80.
.THURSDAY NIGHT...Partly cloudy. Lows 46 to 56.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 62 to 72. Lows 44 to
54.
&&
TEMPERATURE / PRECIPITATION
QUINCY 46 88 44 88 / 0 0 0 0
CHESTER 48 84 45 84 / 0 0 10 0
$$
=
CAZ131-211100-
N. Motherlode 1000-3000 ft-
Including the city of Auburn, Grass Valley, Colfax, Nevada City
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 56 to 62. Light winds.
.MONDAY...Mostly sunny. Highs 78 to 84. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 54 to 60. Light winds.
.TUESDAY...Sunny. Highs 78 to 84. Light winds.
.TUESDAY NIGHT...Clear. Lows 55 to 61. Light winds.
.WEDNESDAY...Sunny. Highs 83 to 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 65.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 85 to 91. Lows
57 to 65.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 74 to 84. Lows 54 to
64.
&&
TEMPERATURE / PRECIPITATION
GRASS VALLEY 58 79 56 79 / 0 0 0 0
JACKSON 56 80 56 82 / 0 0 0 0
$$
=
CAZ132-211100-
Sierra (Yuba-Placer) 3000-5000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Patchy smoke late in the night. Lows
53 to 63. Light winds.
.MONDAY...Partly cloudy in the morning then clearing. Patchy
smoke in the morning. Highs 73 to 83. Light winds becoming west
up to 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 51 to 61. Light winds.
.TUESDAY...Sunny. Highs 73 to 83. Light winds.
.TUESDAY NIGHT...Clear. Lows 51 to 61. Light winds.
.WEDNESDAY...Sunny. Highs 76 to 86.
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 64.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 75 to 85. Lows
53 to 63.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 67 to 77. Lows 50 to
60.
$$
=
CAZ133-211100-
Sierra (Sierra-Placer) Above 5000 ft-
Including the city of Blue Canyon, Kingvale, Donner Peak
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 47 to 57. Light winds.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 66 to 76. East winds up to 10 mph shifting to the
west in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 44 to 54. Light winds.
.TUESDAY...Sunny. Highs 66 to 76. East winds up to 10 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Clear. Lows 45 to 55. Light winds becoming east
up to 10 mph after midnight.
.WEDNESDAY...Mostly sunny. Highs 68 to 78.
.WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57.
.THURSDAY...Mostly sunny. Highs 66 to 76.
.THURSDAY NIGHT...Partly cloudy. Lows 45 to 55.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 58 to 68. Lows 43 to
53.
&&
TEMPERATURE / PRECIPITATION
BLUE CANYON 59 74 57 74 / 0 0 0 0
$$
=
CAZ134-211100-
Central Motherlode 1000-3000 ft-
Including the city of Cameron Park, Shingle Springs, Placerville,
Cool, Jackson
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 55 to 63. Light winds.
.MONDAY...Patchy smoke in the morning. Mostly sunny. Highs 77 to
83. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 55 to 61. Light winds.
.TUESDAY...Sunny. Highs 78 to 84. Light winds.
.TUESDAY NIGHT...Clear. Lows around 60. Light winds.
.WEDNESDAY...Sunny. Highs 84 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows around 63.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 85 to 93. Lows
around 63.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 75 to 85. Lows 57 to
63.
$$
=
CAZ135-211100-
Sierra 3000-5000 ft-
Including the city of Pollock Pines
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Haze and patchy smoke after midnight.
Lows 52 to 62. Light winds.
.MONDAY...Partly cloudy. Haze in the morning. Patchy smoke
through the day. Highs 73 to 81. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 50 to 60. Light winds.
.TUESDAY...Sunny. Highs 74 to 82. Light winds.
.TUESDAY NIGHT...Clear. Lows 51 to 61. Light winds.
.WEDNESDAY...Sunny. Highs 78 to 86.
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 64.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 78 to 88. Lows
53 to 63.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 70 to 80. Lows 51 to
61.
$$
=
CAZ136-211100-
Sierra (El Dorado-Amador) Above 5000 ft-
Including the city of Carson Pass
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Haze in the late evening and overnight.
Areas of smoke after midnight, then patchy smoke late in the
night. Lows 45 to 55. Light winds.
.MONDAY...Mostly cloudy. Haze in the morning. Patchy smoke
through the day. Highs 63 to 73. Light winds becoming west up to
10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 42 to 52. Light winds.
.TUESDAY...Sunny. Highs 64 to 74. East winds up to 10 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Clear. Lows 45 to 55. Northwest winds up to
10 mph shifting to the east after midnight.
.WEDNESDAY...Sunny. Highs 67 to 77.
.WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 65 to 75. Lows
46 to 56.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 58 to 68. Lows 43 to
53.
$$
=
CAZ137-211100-
Southern Motherlode 1000-3000 ft-
Including the city of Sonora, Angels Camp
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Patchy smoke late in the night. Lows
55 to 65. Light winds.
.MONDAY...Mostly sunny in the morning then becoming partly
cloudy. Haze and patchy smoke in the morning. Highs 77 to 83.
Light winds becoming west up to 10 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
55 to 63. Light winds.
.TUESDAY...Sunny. Highs 78 to 86. Light winds becoming west up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 65. Light winds.
.WEDNESDAY...Sunny. Highs 84 to 92.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 68.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 87 to 95. Lows
59 to 68.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 77 to 87. Lows 56 to
66.
$$
=
CAZ138-211100-
Sierra (Cal-Tuo) 3000-5000 ft-
Including the city of Twain Harte, Arnold
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Haze in the late evening and overnight.
Patchy smoke after midnight, then areas of smoke late in the
night. Lows 54 to 64. Light winds.
.MONDAY...Mostly cloudy. Haze and areas of smoke in the morning,
then patchy smoke in the afternoon. Highs 71 to 81. Light winds
becoming southwest up to 10 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
52 to 62. Light winds.
.TUESDAY...Sunny. Highs 72 to 82. Northeast winds up to 10 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Clear. Lows 54 to 64. Light winds.
.WEDNESDAY...Sunny. Highs 77 to 87.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 79 to 89. Lows
55 to 65.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 71 to 81. Lows 53 to
63.
$$
=
CAZ139-211100-
Sierra (Cal-Tuo) Above 5000 ft-
Including the city of Twain Harte, Arnold
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Patchy smoke late in the evening. Haze
in the late evening and overnight. Areas of smoke after midnight.
Lows 44 to 54. East winds up to 10 mph.
.MONDAY...Partly cloudy in the morning, then mostly cloudy with a
slight chance of rain in the afternoon. Haze in the morning.
Patchy smoke through the day. Highs 62 to 72. East winds up to
10 mph in the morning becoming light.
.MONDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
42 to 52. Light winds.
.TUESDAY...Sunny. Highs 64 to 74. Northeast winds up to 10 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Clear. Lows 44 to 54. Northwest winds up to
10 mph shifting to the east after midnight.
.WEDNESDAY...Sunny. Highs 67 to 77.
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 66 to 76. Lows
45 to 55.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 59 to 69. Lows 42 to
52.
$$
=
CAZ140-211100-
Tehama Co Coast Range Above 3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 54 to 64. Light winds.
.MONDAY...Partly cloudy in the morning then clearing. Highs 71 to
81. Light winds becoming east up to 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 54 to 62. West winds up to
10 mph.
.TUESDAY...Sunny. Highs 70 to 80. Light winds.
.TUESDAY NIGHT...Clear. Lows 51 to 61. West winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs 69 to 79.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 68 to 78.
Lows 50 to 60.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 59 to 69.
Lows 46 to 56.
.SUNDAY...Sunny. Highs 60 to 70.
$$
=
CAZ141-211100-
W Tehama Co Foothills 1000-3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 63 to 71. Light winds.
.MONDAY...Mostly sunny. Highs 83 to 91. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 61 to 67. Light winds.
.TUESDAY...Sunny. Highs 81 to 90. Light winds.
.TUESDAY NIGHT...Clear. Lows 60 to 68. South winds up to 10 mph
in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 81 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 62 to 68.
.THURSDAY...Mostly sunny. Highs 80 to 89.
.THURSDAY NIGHT...Partly cloudy. Lows 58 to 64.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 71 to 81.
Lows 55 to 64.
.SUNDAY...Sunny. Highs 71 to 81.
$$
=
CAZ142-211100-
N. Sac Valley in Tehama County-
Including the city of Red Bluff
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 59 to 65. South winds up to 10 mph
in the evening becoming light.
.MONDAY...Partly cloudy in the morning then clearing. Highs
around 89. Southeast winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 58 to 64. South winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs around 88. Light winds.
.TUESDAY NIGHT...Clear. Lows 58 to 64. South winds up to 10 mph
in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs around 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 66.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 89.
Lows 60 to 66.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 82. Lows
around 59.
$$
=
CAZ143-211100-
Glenn/Colusa Coast Range Above 3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 55 to 65. Light winds.
.MONDAY...Mostly sunny. Highs 71 to 81. Light winds becoming
southeast up to 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 55 to 63. West winds up to
10 mph.
.TUESDAY...Sunny. Highs 70 to 80. Light winds becoming southeast
up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 54 to 64. Southwest winds up to
10 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 70 to 80.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65.
.THURSDAY...Mostly sunny. Highs 69 to 79.
.THURSDAY NIGHT...Partly cloudy. Cooler. Lows 50 to 60.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 61 to 71. Lows 49 to
59.
$$
=
CAZ144-211100-
Central Glenn Co & Interstate 5-
Including the city of Willows, Orland
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 57 to 63. Light winds.
.MONDAY...Mostly sunny. Highs around 88. Light winds becoming
southeast around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 55 to 61. Southeast winds up
to 10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs around 86. Light winds becoming southeast
around 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 58 to 64. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 65.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 90.
Lows 59 to 65.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 82. Lows
56 to 61.
&&
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 59 77 58 76 / 0 0 0 0
$$
=
CAZ145-211100-
Eastern Glenn County-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows around 57. Light winds.
.MONDAY...Mostly sunny. Highs around 87. Southeast winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 56. Southeast winds up
to 10 mph.
.TUESDAY...Sunny. Highs around 86. Light winds.
.TUESDAY NIGHT...Clear. Lows around 58. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 90.
.WEDNESDAY NIGHT...Mostly clear. Lows around 59.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 90.
Lows around 59.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 83. Lows
around 57.
$$
=
CAZ146-211100-
Butte County Below 1000 ft-
Including the city of Chico, Oroville, Gridley
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 57 to 65. Light winds.
.MONDAY...Mostly sunny. Highs 83 to 89. South winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 55 to 63. Southeast winds up
to 10 mph.
.TUESDAY...Sunny. Highs 83 to 88. Light winds.
.TUESDAY NIGHT...Clear. Lows 56 to 64. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 91.
Lows 57 to 67.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 81 to 86. Lows 55 to
65.
&&
TEMPERATURE / PRECIPITATION
CHICO 63 88 62 87 / 0 0 0 0
OROVILLE 59 87 58 86 / 0 0 0 0
$$
=
CAZ147-211100-
W. Glenn/Colusa Foothills 1000-3000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 57 to 67. Light winds.
.MONDAY...Mostly sunny. Highs 82 to 90. Light winds becoming east
up to 10 mph with gusts to around 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 55 to 65. Southwest winds up
to 10 mph with gusts to around 20 mph in the evening becoming
light.
.TUESDAY...Sunny. Highs 80 to 90. Light winds becoming east up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 67. South winds up to 10 mph
in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 80 to 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 69.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 82 to 92. Lows
58 to 68.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 73 to 83. Lows 53 to
63.
$$
=
CAZ148-211100-
Central Colusa County Incl. I-5-
Including the city of Williams
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 56 to 62. Light winds.
.MONDAY...Mostly sunny. Highs around 88. Light winds becoming
southeast around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 58. South winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs around 87. Light winds becoming east
around 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 58 to 64. Southeast winds up to
10 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs around 89.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 66.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 91.
Lows 60 to 66.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 83. Lows
around 59.
$$
=
CAZ149-211100-
Eastern Colusa County-
Including the city of Colusa
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows around 56. Light winds.
.MONDAY...Mostly sunny. Highs around 87. Southeast winds up to
10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 56. Southeast winds up
to 10 mph.
.TUESDAY...Mostly sunny. Highs around 86. Light winds.
.TUESDAY NIGHT...Clear. Lows around 58. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 89.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 90.
Lows around 60.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 83. Lows
around 57.
$$
=
CAZ150-211100-
Sutter/Yuba counties below 1000 ft-
Including the city of Yuba City, Beale AFB
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 54 to 61. Light winds.
.MONDAY...Mostly sunny. Highs around 86. South winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 54 to 60. Southeast winds up to
10 mph.
.TUESDAY...Sunny. Highs around 85. Light winds.
.TUESDAY NIGHT...Clear. Lows 56 to 62. Light winds.
.WEDNESDAY...Mostly sunny. Highs around 90.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 65.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 92.
Lows 58 to 65.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 84. Lows
54 to 64.
&&
TEMPERATURE / PRECIPITATION
MARYSVILLE/YUBA CITY 57 86 56 86 / 0 0 0 0
$$
=
CAZ151-211100-
Yolo / Solano County Hills-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 54 to 64. Southwest winds up to 10 mph with gusts to
around 20 mph.
.MONDAY...Mostly sunny. Highs 75 to 85. Northwest winds up to
10 mph shifting to the south around 10 mph in the afternoon.
Gusts up to 20 mph.
.MONDAY NIGHT...Clear. Lows 53 to 63. Southwest winds up to
10 mph with gusts to around 25 mph.
.TUESDAY...Sunny. Highs 77 to 87. Light winds becoming southeast
up to 10 mph in the afternoon. Gusts up to 20 mph.
.TUESDAY NIGHT...Clear. Lows 57 to 67. Southwest winds up to
10 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 82 to 92.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 71.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 82 to 92. Lows
60 to 70.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 74 to 84. Lows 55 to
65.
$$
=
CAZ152-211100-
W. Yolo County including Capay/I-505-
Including the city of Esparto, Winters
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 55 to 61. Light winds.
.MONDAY...Sunny. Highs 84 to 90. Light winds becoming southeast
up to 10 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows 55 to 61. Southwest winds up to
10 mph with gusts to around 20 mph.
.TUESDAY...Mostly sunny. Highs around 87. Light winds.
.TUESDAY NIGHT...Clear. Lows 56 to 65. Light winds.
.WEDNESDAY...Mostly sunny. Highs 88 to 94.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 68.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 92.
Lows 59 to 68.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 84. Lows
55 to 65.
$$
=
CAZ153-211100-
C. Yolo/NE Solano including Woodland-
Including the city of Woodland, Dixon
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 55. Light winds.
.MONDAY...Mostly sunny. Highs 80 to 88. South winds up to 10 mph
with gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows around 55. South winds up to 10 mph
with gusts to around 25 mph.
.TUESDAY...Mostly sunny. Highs around 85. Light winds.
.TUESDAY NIGHT...Clear. Lows around 57. South winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 92.
Lows around 60.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 84. Lows
around 57.
$$
=
CAZ154-211100-
Sac Metro/W. El Dorado/Amador County-
Including the city of Lincoln, Roseville, Sacramento, Elk Grove,
Folsom
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 53 to 58. South winds up to 10 mph with gusts to
around 20 mph.
.MONDAY...Mostly sunny. Highs around 84. South winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 53 to 59. South winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Mostly sunny. Highs around 85. Light winds.
.TUESDAY NIGHT...Clear. Lows 55 to 61. Southwest winds up to
10 mph in the evening becoming light.
.WEDNESDAY...Sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 64.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 93.
Lows 58 to 64.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 84. Lows
55 to 64.
&&
TEMPERATURE / PRECIPITATION
SACRAMENTO 57 84 58 85 / 0 0 0 0
SAC EXEC AIRPORT 56 83 56 85 / 0 0 0 0
$$
=
CAZ155-211100-
C. Solano County including Fairfield-
Including the city of Fairfield, Vacaville
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming mostly
clear. Lows around 57. Southwest winds 10 to 15 mph with gusts to
around 30 mph.
.MONDAY...Mostly sunny. Highs 76 to 82. Southwest winds 10 to
15 mph with gusts to around 30 mph.
.MONDAY NIGHT...Mostly clear. Lows around 57. Southwest winds
10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Mostly sunny. Highs around 83. Southwest winds up to
10 mph with gusts to around 20 mph.
.TUESDAY NIGHT...Clear. Lows around 58. Southwest winds 10 to
15 mph.
.WEDNESDAY...Mostly sunny. Highs around 92.
.WEDNESDAY NIGHT...Mostly clear. Lows around 61.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 91.
Lows around 61.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 83. Lows
around 59.
&&
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 55 81 55 85 / 0 0 0 0
$$
=
CAZ156-211100-
SW Solano County including Vallejo-
Including the city of Vallejo, Benicia
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 57. Southwest winds 10 to 15 mph with gusts
to around 25 mph.
.MONDAY...Partly cloudy in the morning then clearing. Highs 69 to
79. Southwest winds 10 to 15 mph with gusts to around 25 mph.
.MONDAY NIGHT...Mostly clear. Lows around 57. Southwest winds
10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
73 to 83. Southwest winds around 10 mph.
.TUESDAY NIGHT...Clear. Lows around 57. Southwest winds up to
15 mph.
.WEDNESDAY...Mostly sunny. Warmer. Highs 83 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 82 to 92. Lows
around 61.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 74 to 84. Lows 56 to
61.
$$
=
CAZ157-211100-
Sacramento County Delta-
Including the city of Walnut Grove
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 54 to
60. West winds 10 to 15 mph with gusts to around 25 mph.
.MONDAY...Mostly sunny. Highs 77 to 82. West winds 10 to 15 mph
with gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 53 to 60. Southwest winds 10 to
15 mph.
.TUESDAY...Mostly sunny. Highs 79 to 86. Southwest winds up to
10 mph.
.TUESDAY NIGHT...Clear. Lows 55 to 61. West winds up to 10 mph.
.WEDNESDAY...Mostly sunny. Warmer. Highs 87 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows around 61.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 87 to 93. Lows
59 to 64.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 78 to 84. Lows 54 to
64.
$$
=
CAZ158-211100-
San Joaquin County Delta-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then clearing. Lows
around 56. West winds around 10 mph with gusts to around 20 mph.
.MONDAY...Mostly sunny. Highs 80 to 85. West winds up to 10 mph
with gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows around 56. West winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Sunny. Highs 82 to 88. Light winds.
.TUESDAY NIGHT...Clear. Lows around 57. West winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 88 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows around 61.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 89 to 95. Lows
around 62.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 81 to 88. Lows 56 to
62.
$$
=
CAZ159-211100-
C. San Joaquin County including Stockton-
Including the city of Stockton, Lodi
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 56. Northwest winds up to 10 mph.
.MONDAY...Mostly sunny. Highs around 84. Northwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows 53 to 59. Northwest winds up to
10 mph.
.TUESDAY...Sunny. Highs around 86. Light winds.
.TUESDAY NIGHT...Clear. Lows around 58. Light winds.
.WEDNESDAY...Sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows around 62.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 94.
Lows around 62.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 85. Lows
56 to 62.
&&
TEMPERATURE / PRECIPITATION
STOCKTON 56 86 55 87 / 0 0 0 0
MODESTO 58 85 58 86 / 0 0 0 0
$$
=
CAZ160-211100-
Tracy Triangle Below 1000 ft-
Including the city of Tracy
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 54 to
60. West winds up to 10 mph with gusts to around 25 mph.
.MONDAY...Mostly sunny. Highs around 83. West winds up to 10 mph
with gusts to around 25 mph.
.MONDAY NIGHT...Clear. Lows 54 to 61. West winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Sunny. Highs around 86. Light winds becoming northwest
up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 66. West winds up to 10 mph.
.WEDNESDAY...Sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 71.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 94.
Lows 61 to 71.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 84. Lows
57 to 67.
$$
=
CAZ161-211100-
NE San Joaquin Valley Below 1000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy. Lows 56 to 62. Northwest winds up to
10 mph.
.MONDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 83. Northwest winds up to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 56 to 62. Northwest winds up
to 10 mph.
.TUESDAY...Sunny. Highs around 85. Light winds becoming west up
to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 59 to 65. Northwest winds up to
10 mph in the evening becoming light.
.WEDNESDAY...Sunny. Highs around 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 62 to 68.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 94.
Lows 62 to 68.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs around 85. Lows
59 to 65.
$$
=
CAZ162-211100-
E. Diablo Range Above 1000 ft-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then clearing. Cooler.
Lows 52 to 62. Southwest winds up to 10 mph with gusts to around
20 mph.
.MONDAY...Mostly sunny. Highs 74 to 82. Southwest winds up to
10 mph shifting to the southeast around 10 mph in the afternoon.
Gusts up to 25 mph.
.MONDAY NIGHT...Clear. Lows 52 to 62. West winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Sunny. Highs 77 to 87. Light winds becoming northeast
up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 67. West winds up to 10 mph.
.WEDNESDAY...Sunny, warmer. Highs 83 to 93.
.WEDNESDAY NIGHT...Mostly clear. Lows 63 to 73.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 85 to 95. Lows
62 to 72.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 76 to 86. Lows
58 to 68.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 52 to 62. Highs
74 to 84.
$$
=
CAZ163-211100-
W. Stanislaus County Above 1000 ft & I-5-
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then clearing. Lows
around 57. Light winds.
.MONDAY...Mostly sunny. Highs around 84. North winds up to 10 mph
with gusts to around 20 mph.
.MONDAY NIGHT...Clear. Lows around 57. Light winds.
.TUESDAY...Sunny. Highs around 86. Light winds.
.TUESDAY NIGHT...Clear. Lows 58 to 64. Light winds.
.WEDNESDAY...Sunny. Highs 88 to 94.
.WEDNESDAY NIGHT...Clear. Lows 62 to 70.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 91 to 97. Lows
62 to 70.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs 80 to 90. Lows 58 to
68.
$$
=
CAZ164-211100-
C. Stanislaus County including Modesto-
Including the city of Modesto, Turlock
201 PM PDT Sun Sep 20 2026
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 56. Northwest winds up to 10 mph.
.MONDAY...Mostly sunny. Highs around 84. Northwest winds up to
10 mph.
.MONDAY NIGHT...Clear. Lows around 56. Light winds.
.TUESDAY...Sunny. Highs around 86. Light winds.
.TUESDAY NIGHT...Clear. Lows around 59. Northwest winds up to
10 mph.
.WEDNESDAY...Sunny. Highs around 91.
.WEDNESDAY NIGHT...Clear. Lows around 63.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 95.
Lows around 63.
.FRIDAY AND FRIDAY NIGHT...Clear. Highs around 88. Lows around
61.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs around 86.
Lows around 59.
.SUNDAY...Sunny. Highs around 84.
$$
=