Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
816
FPUS56 KSTO 210902
ZFPSTO
Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
201 AM PDT Fri Aug 21 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Saturday.
CAZ121-212300-
W. Shasta County Above 3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 74 to 84. Southeast winds up to
10 mph.
.TONIGHT...Clear, cooler. Lows 51 to 61. Light winds.
.SATURDAY...Sunny. Highs 74 to 84. Light winds becoming south up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 51 to 61. Southwest winds up to
10 mph shifting to the northwest around 10 mph after midnight.
.SUNDAY...Sunny. Highs 76 to 86. North winds up to 10 mph
shifting to the southeast in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 55 to 65.
.MONDAY...Mostly sunny. Highs 75 to 85.
.MONDAY NIGHT...Clear. Lows 54 to 64.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 76 to 86. Lows
53 to 63.
$$
=
CAZ122-212300-
W. Shasta County 1000-3000 ft-
Including the city of Whiskeytown
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 82 to 92. Light winds.
.TONIGHT...Clear, cooler. Lows 55 to 65. Light winds.
.SATURDAY...Sunny. Highs 84 to 94. Light winds becoming southeast
up to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 55 to 65. Southwest winds up to
10 mph shifting to the northwest after midnight. Gusts up to
20 mph.
.SUNDAY...Sunny. Highs 85 to 95. Northwest winds up to 10 mph
shifting to the southeast in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 59 to 69.
.MONDAY...Sunny. Highs 84 to 94.
.MONDAY NIGHT...Clear. Lows 58 to 68.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 84 to 94. Lows
57 to 67.
$$
=
CAZ123-212300-
Shasta Lake Area & 1-5 1000-3000 ft-
Including the city of Shasta Lake, Sims
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 83 to 93. Light winds becoming
south up to 10 mph in the afternoon.
.TONIGHT...Clear, cooler. Lows 55 to 65. Light winds.
.SATURDAY...Sunny. Highs 83 to 93. Light winds becoming south
around 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 55 to 65. South winds up to 10 mph
in the evening becoming light.
.SUNDAY...Sunny. Highs 85 to 95. North winds up to 10 mph
shifting to the south in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67.
.MONDAY...Sunny. Highs 84 to 94.
.MONDAY NIGHT...Clear. Lows 56 to 66.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 84 to 94. Lows
55 to 65.
&&
TEMPERATURE / PRECIPITATION
SHASTA DAM 91 64 93 / 0 0 0
$$
=
CAZ124-212300-
Shasta Metro-
Including the city of Redding, Anderson
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 92. South winds up to
10 mph.
.TONIGHT...Clear. Lows around 63. Light winds.
.SATURDAY...Sunny. Highs around 94. Light winds becoming south up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 59 to 65. South winds up to 10 mph
in the evening becoming light.
.SUNDAY...Sunny. Highs around 96. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 61 to 69.
.MONDAY...Sunny. Highs around 94.
.MONDAY NIGHT...Clear. Lows 61 to 67.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 95. Lows
59 to 67.
&&
TEMPERATURE / PRECIPITATION
REDDING 93 61 94 / 0 0 0
RED BLUFF 93 63 94 / 0 0 0
$$
=
CAZ125-212300-
Shasta County Foothills 1000-3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 86 to 92. Light winds becoming
southwest up to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 58 to 64. Light winds.
.SATURDAY...Sunny. Highs 85 to 93. Light winds becoming southwest
up to 10 mph with gusts to around 20 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 58 to 64. Light winds.
.SUNDAY...Sunny. Highs 87 to 95. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 60 to 66.
.MONDAY...Sunny. Highs 87 to 94.
.MONDAY NIGHT...Clear. Lows 59 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 94. Lows
58 to 65.
$$
=
CAZ126-212300-
E. Shasta /S. Cascades Above 3000 ft-
Including the city of Shingletown
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 75 to 85. Light winds becoming
southwest up to 10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Clear, cooler. Lows 48 to 58. Southwest winds up to
10 mph. Gusts up to 20 mph in the evening.
.SATURDAY...Sunny. Highs 73 to 83. Southwest winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 47 to 57. Southwest winds up to
10 mph with gusts to around 20 mph in the evening becoming light.
.SUNDAY...Sunny. Highs 76 to 86. Northeast winds up to 10 mph
shifting to the southwest in the afternoon. Gusts up to 20 mph.
.SUNDAY NIGHT...Mostly clear. Lows 49 to 59.
.MONDAY...Mostly sunny. Highs 75 to 85.
.MONDAY NIGHT...Clear. Lows 48 to 58.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 75 to 85. Lows
48 to 58.
$$
=
CAZ127-212300-
Burney Basin-
Including the city of Burney
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 78 to 88. Light winds becoming
southwest around 10 mph with gusts to around 25 mph in the
afternoon.
.TONIGHT...Partly cloudy in the evening then clearing. Lows 46 to
56. South winds up to 10 mph. Gusts up to 25 mph in the evening.
.SATURDAY...Sunny. Highs 75 to 85. Southwest winds up to 15 mph.
Gusts up to 30 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 44 to 54. Southwest winds around
10 mph with gusts to around 25 mph in the evening becoming light.
.SUNDAY...Sunny. Highs 78 to 88. Light winds becoming west up to
10 mph with gusts to around 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 46 to 56.
.MONDAY...Mostly sunny. Highs 77 to 87.
.MONDAY NIGHT...Clear. Lows 45 to 55.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 76 to 86. Lows
45 to 55.
&&
TEMPERATURE / PRECIPITATION
BURNEY 86 47 84 / 0 0 0
$$
=
CAZ128-212300-
Lassen Volcanic NP-
Including the city of Lassen National Park
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 67 to 77. South winds up to 10 mph
with gusts to around 25 mph.
.TONIGHT...Mostly clear. Lows 47 to 53. South winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 65 to 75. South winds up to 15 mph with
gusts to around 30 mph.
.SATURDAY NIGHT...Clear. Lows 43 to 51. Southwest winds around
10 mph with gusts to around 25 mph in the evening becoming light.
.SUNDAY...Sunny. Highs 67 to 77. Light winds becoming southwest
around 10 mph with gusts to around 25 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 47 to 55.
.MONDAY...Mostly sunny. Highs 66 to 76.
.MONDAY NIGHT...Clear. Lows 45 to 53.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 66 to 76. Lows
43 to 53.
$$
=
CAZ129-212300-
Sierra (Tehama-Plumas) 1000-3000 ft-
Including the city of Paradise
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 84 to 92. Light winds becoming
south up to 10 mph with gusts to around 20 mph in the afternoon.
.TONIGHT...Clear. Lows 62 to 70. Southeast winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 83 to 91. Light winds becoming southwest
around 10 mph in the afternoon. Gusts up to 20 mph.
.SATURDAY NIGHT...Clear. Lows 60 to 70. South winds up to 10 mph
with gusts to around 20 mph shifting to the east after midnight.
.SUNDAY...Sunny. Highs 85 to 93. Light winds becoming southwest
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 63 to 73.
.MONDAY...Mostly sunny. Highs 84 to 92.
.MONDAY NIGHT...Clear. Lows 62 to 70.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 92. Lows
60 to 70.
&&
TEMPERATURE / PRECIPITATION
PARADISE 86 68 86 / 0 0 0
$$
=
CAZ130-212300-
Sierra (Tehama-Plumas) Above 3000 ft-
Including the city of Mineral, Quincy
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 75 to 85. South winds up to 10 mph
with gusts to around 20 mph.
.TONIGHT...Partly cloudy in the evening then clearing. Lows 52 to
62. South winds up to 10 mph. Gusts up to 20 mph in the evening.
.SATURDAY...Sunny. Highs 73 to 83. South winds up to 15 mph.
Gusts up to 20 mph increasing to 30 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 49 to 59. Southwest winds up to
10 mph with gusts to around 25 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 75 to 85. Light winds becoming
southwest around 10 mph with gusts to around 25 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 52 to 62.
.MONDAY...Mostly sunny. Highs 74 to 84.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 50 to 60.
Highs 74 to 84.
&&
TEMPERATURE / PRECIPITATION
QUINCY 91 49 89 / 0 0 0
CHESTER 86 48 84 / 0 0 0
$$
=
CAZ131-212300-
N. Motherlode 1000-3000 ft-
Including the city of Auburn, Grass Valley, Colfax, Nevada City
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 86 to 92. Light winds.
.TONIGHT...Mostly clear. Lows 60 to 66. Light winds.
.SATURDAY...Sunny. Highs 86 to 92. Light winds becoming southwest
around 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 60 to 66. Light winds.
.SUNDAY...Mostly sunny. Highs 87 to 93. Light winds becoming
southwest up to 10 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 62 to 68.
.MONDAY...Mostly sunny. Highs 86 to 92.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 58 to 67.
Highs 85 to 92.
&&
TEMPERATURE / PRECIPITATION
GRASS VALLEY 87 61 87 / 0 0 0
JACKSON 89 61 90 / 0 0 0
$$
=
CAZ132-212300-
Sierra (Yuba-Placer) 3000-5000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 79 to 89. Light winds becoming
southwest up to 10 mph in the afternoon. Gusts up to 20 mph.
.TONIGHT...Mostly clear. Lows 58 to 68. Light winds.
.SATURDAY...Sunny. Highs 78 to 88. Light winds becoming southwest
around 10 mph in the afternoon. Gusts up to 20 mph.
.SATURDAY NIGHT...Clear. Lows 57 to 67. Light winds.
.SUNDAY...Mostly sunny. Highs 79 to 89. Light winds becoming
southwest up to 10 mph with gusts to around 20 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 70.
.MONDAY...Mostly sunny. Highs 78 to 88.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 57 to 67.
Highs 78 to 88.
$$
=
CAZ133-212300-
Sierra (Sierra-Placer) Above 5000 ft-
Including the city of Blue Canyon, Kingvale, Donner Peak
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 72 to 82. South winds up to 10 mph
with gusts to around 25 mph.
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 51 to
61. South winds up to 10 mph. Gusts up to 25 mph in the evening.
.SATURDAY...Sunny. Highs 70 to 80. Southwest winds up to 15 mph
with gusts to around 30 mph.
.SATURDAY NIGHT...Clear. Lows 50 to 60. Southwest winds around
10 mph with gusts to around 30 mph shifting to the southeast up
to 10 mph after midnight.
.SUNDAY...Mostly sunny. Highs 70 to 80. Southeast winds up to
10 mph shifting to the southwest with gusts to around 30 mph in
the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 51 to 61.
.MONDAY...Mostly sunny. Highs 70 to 80.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 49 to 59.
Highs 70 to 80.
&&
TEMPERATURE / PRECIPITATION
BLUE CANYON 80 65 79 / 0 0 0
$$
=
CAZ134-212300-
Central Motherlode 1000-3000 ft-
Including the city of Cameron Park, Shingle Springs, Placerville,
Cool, Jackson
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 86 to 92. Light winds.
.TONIGHT...Mostly clear. Lows 59 to 67. Light winds.
.SATURDAY...Sunny. Highs 85 to 93. Light winds.
.SATURDAY NIGHT...Clear. Lows 62 to 68. Light winds.
.SUNDAY...Mostly sunny. Highs 87 to 93. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 62 to 70.
.MONDAY...Mostly sunny. Highs 86 to 92.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 60 to 68.
Highs 85 to 93.
$$
=
CAZ135-212300-
Sierra 3000-5000 ft-
Including the city of Pollock Pines
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 82 to 90. Light winds becoming
southwest up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 59 to 69. Light winds.
.SATURDAY...Sunny. Highs 80 to 88. Light winds becoming southwest
around 10 mph in the afternoon. Gusts up to 20 mph.
.SATURDAY NIGHT...Clear. Lows 59 to 69. Light winds.
.SUNDAY...Mostly sunny. Highs 81 to 89. Light winds becoming
southwest around 10 mph with gusts to around 20 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 70.
.MONDAY...Mostly sunny. Highs 80 to 88.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 57 to 67.
Highs 79 to 88.
$$
=
CAZ136-212300-
Sierra (El Dorado-Amador) Above 5000 ft-
Including the city of Carson Pass
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 71 to 81. South winds up to 10 mph
with gusts to around 25 mph.
.TONIGHT...Partly cloudy. Lows 52 to 62. South winds up to 10 mph
with gusts to around 25 mph.
.SATURDAY...Sunny. Highs 69 to 79. Southwest winds up to 15 mph
with gusts to around 30 mph.
.SATURDAY NIGHT...Clear. Lows 51 to 61. Southwest winds up to
10 mph with gusts to around 30 mph shifting to the southeast with
gusts to around 20 mph after midnight.
.SUNDAY...Mostly sunny. Highs 70 to 80. Southeast winds up to
10 mph shifting to the southwest around 10 mph with gusts to
around 25 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 52 to 62.
.MONDAY...Mostly sunny. Highs 69 to 79.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 49 to 59.
Highs 69 to 79.
$$
=
CAZ137-212300-
Southern Motherlode 1000-3000 ft-
Including the city of Sonora, Angels Camp
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 87 to 95. Light winds becoming west
up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 61 to 71. Northwest winds up to
10 mph.
.SATURDAY...Sunny. Highs 86 to 94. West winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 63 to 71. Northwest winds up to
10 mph with gusts to around 20 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 88 to 96. Light winds becoming west
around 10 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 63 to 73.
.MONDAY...Mostly sunny. Highs 87 to 95.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 61 to 71.
Highs 86 to 95.
$$
=
CAZ138-212300-
Sierra (Cal-Tuo) 3000-5000 ft-
Including the city of Twain Harte, Arnold
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 82 to 92. Light winds becoming
southwest up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 61 to 71. Light winds.
.SATURDAY...Sunny. Highs 80 to 90. Light winds becoming southwest
around 10 mph in the afternoon. Gusts up to 20 mph.
.SATURDAY NIGHT...Clear. Lows 61 to 71. West winds up to 10 mph
in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 81 to 91. Light winds becoming
southwest around 10 mph with gusts to around 20 mph in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 62 to 72.
.MONDAY...Mostly sunny. Highs 80 to 90.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 59 to 69.
Highs 80 to 90.
$$
=
CAZ139-212300-
Sierra (Cal-Tuo) Above 5000 ft-
Including the city of Twain Harte, Arnold
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 72 to 82. Southeast winds up to
10 mph shifting to the southwest around 10 mph in the afternoon.
Gusts up to 20 mph.
.TONIGHT...Mostly clear. Lows 52 to 62. Southwest winds up to
10 mph shifting to the southeast after midnight. Gusts up to
20 mph.
.SATURDAY...Sunny. Highs 70 to 80. South winds up to 15 mph with
gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows 51 to 61. Southwest winds around
10 mph with gusts to around 25 mph shifting to the east up to
10 mph after midnight.
.SUNDAY...Mostly sunny. Highs 70 to 80. Southeast winds up to
10 mph shifting to the southwest with gusts to around 25 mph in
the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 51 to 61.
.MONDAY...Mostly sunny. Highs 69 to 79.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 49 to 59.
Highs 70 to 80.
$$
=
CAZ140-212300-
Tehama Co Coast Range Above 3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 70 to 80. Southeast winds up to
10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear, cooler. Lows 50 to 60. Southwest winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 70 to 80. Light winds becoming southeast
up to 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 52 to 62. West winds up to
10 mph.
.SUNDAY...Sunny. Highs 72 to 82. Light winds becoming east around
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 56 to 64.
.MONDAY...Sunny. Highs 71 to 81.
.MONDAY NIGHT...Clear. Lows 54 to 62.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 72 to 82.
Lows 53 to 63.
.THURSDAY...Sunny. Highs 72 to 82.
$$
=
CAZ141-212300-
W Tehama Co Foothills 1000-3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 82 to 90. Light winds becoming
southeast up to 10 mph with gusts to around 20 mph in the
afternoon.
.TONIGHT...Clear. Lows 61 to 67. South winds up to 10 mph in the
evening becoming light. Gusts up to 20 mph.
.SATURDAY...Sunny. Highs 83 to 93. Light winds.
.SATURDAY NIGHT...Clear. Lows 62 to 68. South winds up to 10 mph
shifting to the west after midnight.
.SUNDAY...Sunny. Highs 84 to 94. Light winds becoming east up to
10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 64 to 70.
.MONDAY...Sunny. Highs 84 to 93.
.MONDAY NIGHT...Clear. Lows 63 to 69.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 83 to 93.
Lows 62 to 69.
.THURSDAY...Sunny. Highs 83 to 93.
$$
=
CAZ142-212300-
N. Sac Valley in Tehama County-
Including the city of Red Bluff
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 91. Southeast winds up to
10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows around 63. South winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 92. Light winds becoming
southeast around 10 mph with gusts to around 20 mph in the
afternoon.
.SATURDAY NIGHT...Clear. Lows around 63. South winds up to 10 mph
in the evening becoming light.
.SUNDAY...Sunny. Highs around 94. Light winds becoming south up
to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 62 to 68.
.MONDAY...Sunny. Highs around 93.
.MONDAY NIGHT...Clear. Lows 61 to 67.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 93. Lows
60 to 67.
$$
=
CAZ143-212300-
Glenn/Colusa Coast Range Above 3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 71 to 81. South winds up to 10 mph. Gusts up to
20 mph in the afternoon.
.TONIGHT...Clear, cooler. Lows 52 to 62. West winds around 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs 71 to 81. Northwest winds up to 10 mph
shifting to the south in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 54 to 64. West winds up to
10 mph.
.SUNDAY...Sunny. Highs 73 to 83. North winds up to 10 mph
shifting to the southeast around 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67.
.MONDAY...Sunny. Highs 72 to 82.
.MONDAY NIGHT...Clear. Lows 55 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 72 to 82. Lows
55 to 65.
$$
=
CAZ144-212300-
Central Glenn Co & Interstate 5-
Including the city of Willows, Orland
201 AM PDT Fri Aug 21 2026
.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs around 90. Light winds becoming southeast around
10 mph with gusts to around 20 mph in the afternoon.
.TONIGHT...Clear. Lows around 61. South winds around 10 mph with
gusts to around 20 mph in the evening becoming light.
.SATURDAY...Sunny. Highs around 90. Light winds becoming east
around 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows around 62. Southeast winds up to
10 mph in the evening becoming light.
.SUNDAY...Sunny. Highs around 92. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 60 to 66.
.MONDAY...Sunny. Highs around 91.
.MONDAY NIGHT...Clear. Lows around 62.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 91. Lows
around 62.
&&
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 77 56 78 / 0 0 0
$$
=
CAZ145-212300-
Eastern Glenn County-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 90. Southeast winds up to
10 mph.
.TONIGHT...Clear. Lows around 60. Southeast winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 91. Light winds.
.SATURDAY NIGHT...Clear. Lows around 60. Southeast winds up to
10 mph.
.SUNDAY...Sunny. Highs around 92. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows around 61.
.MONDAY...Sunny. Highs around 92.
.MONDAY NIGHT...Clear. Lows around 60.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 91. Lows
around 60.
$$
=
CAZ146-212300-
Butte County Below 1000 ft-
Including the city of Chico, Oroville, Gridley
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 92. Southeast winds up to
10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows 59 to 67. Southeast winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 92. South winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 59 to 67. Southeast winds up to
10 mph.
.SUNDAY...Sunny. Highs around 94. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 61 to 69.
.MONDAY...Mostly sunny. Highs around 93.
.MONDAY NIGHT...Clear. Lows 59 to 67.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 92. Lows
59 to 67.
&&
TEMPERATURE / PRECIPITATION
CHICO 93 66 93 / 0 0 0
OROVILLE 93 63 94 / 0 0 0
$$
=
CAZ147-212300-
W. Glenn/Colusa Foothills 1000-3000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 82 to 92. Light winds becoming southeast around
10 mph with gusts to around 20 mph in the afternoon.
.TONIGHT...Clear. Lows 57 to 65. West winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY...Sunny. Highs 82 to 92. Northwest winds up to 10 mph
shifting to the east around 10 mph with gusts to around 20 mph in
the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 66. Southwest winds
around 10 mph shifting to the west up to 10 mph after midnight.
Gusts up to 20 mph.
.SUNDAY...Sunny. Highs 83 to 93. Northwest winds up to 10 mph
shifting to the east around 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 60 to 70.
.MONDAY...Sunny. Highs 83 to 93.
.MONDAY NIGHT...Clear. Lows 58 to 68.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 93. Lows
58 to 68.
$$
=
CAZ148-212300-
Central Colusa County Incl. I-5-
Including the city of Williams
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 91. Light winds becoming
southeast up to 10 mph with gusts to around 20 mph in the
afternoon.
.TONIGHT...Clear. Lows around 60. Southwest winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 91. Light winds becoming east
around 10 mph with gusts to around 20 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows around 61. Southwest winds up to
10 mph. Gusts up to 20 mph in the evening.
.SUNDAY...Mostly sunny. Highs around 92. Light winds becoming
east up to 10 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 66.
.MONDAY...Sunny. Highs around 91.
.MONDAY NIGHT...Clear. Lows around 61.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 91. Lows
around 61.
$$
=
CAZ149-212300-
Eastern Colusa County-
Including the city of Colusa
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 91. Southeast winds up to
10 mph.
.TONIGHT...Clear. Lows around 59. South winds up to 10 mph.
.SATURDAY...Sunny. Highs around 91. Light winds.
.SATURDAY NIGHT...Clear. Lows around 60. Light winds.
.SUNDAY...Mostly sunny. Highs around 92. Light winds.
.SUNDAY NIGHT...Partly cloudy. Lows around 61.
.MONDAY...Mostly sunny. Highs around 91.
.MONDAY NIGHT...Clear. Lows around 59.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 90. Lows
around 59.
$$
=
CAZ150-212300-
Sutter/Yuba counties below 1000 ft-
Including the city of Yuba City, Beale AFB
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 91. South winds up to
10 mph.
.TONIGHT...Clear. Lows 57 to 65. Southeast winds up to 10 mph.
.SATURDAY...Sunny. Highs around 92. Light winds.
.SATURDAY NIGHT...Clear. Lows 58 to 66. Light winds.
.SUNDAY...Mostly sunny. Highs around 93. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 66.
.MONDAY...Mostly sunny. Highs around 92.
.MONDAY NIGHT...Clear. Lows 57 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 92. Lows
57 to 65.
&&
TEMPERATURE / PRECIPITATION
MARYSVILLE/YUBA CITY 93 61 94 / 0 0 0
$$
=
CAZ151-212300-
Yolo / Solano County Hills-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 80 to 90. Southwest winds up to
10 mph with gusts to around 25 mph.
.TONIGHT...Clear. Lows 56 to 66. West winds around 10 mph with
gusts to around 25 mph.
.SATURDAY...Sunny. Highs 82 to 92. West winds up to 10 mph
shifting to the south around 10 mph in the afternoon. Gusts up to
20 mph.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 68. Southwest winds up
to 10 mph with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs 82 to 92. Northwest winds up to
10 mph shifting to the southeast in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 57 to 67.
.MONDAY...Mostly sunny. Highs 80 to 90.
.MONDAY NIGHT...Clear. Lows 55 to 65.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 81 to 91. Lows
57 to 67.
$$
=
CAZ152-212300-
W. Yolo County including Capay/I-505-
Including the city of Esparto, Winters
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 92. South winds up to
10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Clear. Lows 56 to 63. Southwest winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 93. Light winds becoming south up
to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 58 to 66. Southwest winds up to
10 mph.
.SUNDAY...Mostly sunny. Highs around 94. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 67.
.MONDAY...Mostly sunny. Highs around 92.
.MONDAY NIGHT...Clear. Lows 56 to 63.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs around 93. Lows
56 to 66.
$$
=
CAZ153-212300-
C. Yolo/NE Solano including Woodland-
Including the city of Woodland, Dixon
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 86 to 93. South winds up to 10 mph
with gusts to around 20 mph.
.TONIGHT...Clear. Lows around 57. South winds up to 10 mph with
gusts to around 25 mph.
.SATURDAY...Sunny. Highs 89 to 95. Light winds.
.SATURDAY NIGHT...Clear. Lows around 59. South winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs 89 to 95. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows around 59.
.MONDAY...Mostly sunny. Highs 86 to 94.
.MONDAY NIGHT...Clear. Lows around 57.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 95. Lows
around 58.
$$
=
CAZ154-212300-
Sac Metro/W. El Dorado/Amador County-
Including the city of Lincoln, Roseville, Sacramento, Elk Grove,
Folsom
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 87 to 93. South winds up to 10 mph
with gusts to around 20 mph.
.TONIGHT...Clear. Lows 56 to 62. South winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 92. South winds up to 10 mph
shifting to the west in the afternoon.
.SATURDAY NIGHT...Clear. Lows 58 to 64. Southwest winds around
10 mph shifting to the south up to 10 mph after midnight. Gusts
up to 20 mph.
.SUNDAY...Mostly sunny. Highs around 93. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 65.
.MONDAY...Mostly sunny. Highs 88 to 94.
.MONDAY NIGHT...Clear. Lows 56 to 63.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 88 to 94. Lows
56 to 63.
&&
TEMPERATURE / PRECIPITATION
SACRAMENTO 90 61 93 / 0 0 0
SAC EXEC AIRPORT 89 59 92 / 0 0 0
$$
=
CAZ155-212300-
C. Solano County including Fairfield-
Including the city of Fairfield, Vacaville
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 80 to 88. Southwest winds 10 to
20 mph with gusts to around 30 mph.
.TONIGHT...Clear. Lows around 59. Southwest winds 10 to 15 mph
with gusts to around 30 mph.
.SATURDAY...Sunny. Highs 85 to 91. Southwest winds 10 to 15 mph
with gusts to around 30 mph.
.SATURDAY NIGHT...Clear. Lows around 60. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Mostly sunny. Highs 84 to 92. West winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 59.
.MONDAY...Mostly sunny. Highs 82 to 88.
.MONDAY NIGHT...Clear. Lows around 58.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 92. Lows
around 59.
&&
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 86 58 90 / 0 0 0
$$
=
CAZ156-212300-
SW Solano County including Vallejo-
Including the city of Vallejo, Benicia
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 73 to 83. Southwest winds 10 to
15 mph with gusts to around 30 mph.
.TONIGHT...Clear. Lows around 58. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.SATURDAY...Sunny. Highs 78 to 88. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 59. Southwest winds
10 to 15 mph with gusts to around 25 mph.
.SUNDAY...Partly cloudy in the morning then clearing. Highs 76 to
86. Southwest winds 10 to 15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows around 58.
.MONDAY...Partly cloudy. Highs 73 to 83.
.MONDAY NIGHT...Mostly clear. Lows around 57.
.TUESDAY...Partly cloudy. Highs 74 to 84.
.TUESDAY NIGHT...Mostly clear. Lows around 58.
.WEDNESDAY...Partly cloudy. Highs 77 to 87.
.WEDNESDAY NIGHT...Mostly clear. Lows around 59.
.THURSDAY...Partly cloudy. Highs 78 to 88.
$$
=
CAZ157-212300-
Sacramento County Delta-
Including the city of Walnut Grove
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 78 to 86. West winds 10 to 15 mph
with gusts to around 25 mph.
.TONIGHT...Clear. Lows 57 to 62. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.SATURDAY...Sunny. Highs 82 to 90. West winds 10 to 15 mph with
gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows around 60. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Mostly sunny. Highs 82 to 91. West winds around 10 mph
with gusts to around 20 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60.
.MONDAY...Mostly sunny. Highs 81 to 88.
.MONDAY NIGHT...Clear. Lows around 58.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 83 to 91. Lows
around 59.
$$
=
CAZ158-212300-
San Joaquin County Delta-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 83 to 89. West winds up to 15 mph.
.TONIGHT...Clear. Lows around 59. West winds up to 15 mph.
.SATURDAY...Sunny. Highs 85 to 92. West winds up to 15 mph.
.SATURDAY NIGHT...Clear. Lows around 60. West winds up to 15 mph.
.SUNDAY...Mostly sunny. Highs 86 to 93. West winds up to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60.
.MONDAY...Mostly sunny. Highs 84 to 91.
.MONDAY NIGHT...Clear. Lows around 59.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 93. Lows
around 60.
$$
=
CAZ159-212300-
C. San Joaquin County including Stockton-
Including the city of Stockton, Lodi
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 89. Northwest winds up to
10 mph with gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Sunny. Highs around 91. Northwest winds up to 10 mph
with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows around 61. Northwest winds up to
10 mph with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs around 92. Northwest winds up to
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 64.
.MONDAY...Mostly sunny. Highs around 91.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows around 60.
Highs around 91.
&&
TEMPERATURE / PRECIPITATION
STOCKTON 91 59 93 / 0 0 0
MODESTO 92 64 93 / 0 0 0
$$
=
CAZ160-212300-
Tracy Triangle Below 1000 ft-
Including the city of Tracy
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 88. Northwest winds up to
15 mph with gusts to around 25 mph.
.TONIGHT...Clear. Lows 57 to 63. West winds 10 to 15 mph with
gusts to around 25 mph.
.SATURDAY...Sunny. Highs around 89. Northwest winds up to 15 mph
with gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows 59 to 65. West winds up to 15 mph
with gusts to around 25 mph.
.SUNDAY...Mostly sunny. Highs around 91. Northwest winds up to
10 mph with gusts to around 20 mph.
.SUNDAY NIGHT...Mostly clear. Lows 59 to 65.
.MONDAY...Mostly sunny. Highs around 90.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 57 to 64.
Highs around 90.
$$
=
CAZ161-212300-
NE San Joaquin Valley Below 1000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 88 to 94. Northwest winds around
10 mph with gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows 61 to 68. Northwest winds 10 to
15 mph.
.SATURDAY...Sunny. Highs around 92. Northwest winds around 10 mph
with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 62 to 70. Northwest winds up to
15 mph.
.SUNDAY...Mostly sunny. Highs around 94. North winds up to 10 mph
shifting to the west around 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 63 to 71.
.MONDAY...Mostly sunny. Highs around 93.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 60 to 68.
Highs around 93.
$$
=
CAZ162-212300-
E. Diablo Range Above 1000 ft-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 82 to 92. Southwest winds up to
10 mph shifting to the east around 10 mph in the afternoon. Gusts
up to 20 mph.
.TONIGHT...Clear. Lows 59 to 69. West winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY...Sunny. Highs 83 to 93. West winds up to 10 mph
shifting to the north around 10 mph in the afternoon. Gusts up to
20 mph.
.SATURDAY NIGHT...Clear. Lows 60 to 70. West winds up to 10 mph
with gusts to around 20 mph.
.SUNDAY...Mostly sunny. Highs 84 to 94. Light winds becoming
northeast around 10 mph in the afternoon. Gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 61 to 71.
.MONDAY...Mostly sunny. Highs 82 to 92.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 60 to 70.
Highs 83 to 93.
$$
=
CAZ163-212300-
W. Stanislaus County Above 1000 ft & I-5-
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs 87 to 95. North winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 59 to 65. Northwest winds up to
10 mph. Gusts up to 20 mph in the evening.
.SATURDAY...Sunny. Highs 88 to 96. North winds up to 10 mph with
gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 61 to 67. Northwest winds up to
10 mph. Gusts up to 20 mph in the evening.
.SUNDAY...Mostly sunny. Highs 90 to 96. Northwest winds up to
10 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 61 to 67.
.MONDAY...Mostly sunny. Highs 89 to 95.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 59 to 66.
Highs 88 to 96.
$$
=
CAZ164-212300-
C. Stanislaus County including Modesto-
Including the city of Modesto, Turlock
201 AM PDT Fri Aug 21 2026
.TODAY...Mostly cloudy. Highs around 90. Northwest winds around
10 mph with gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows 58 to 64. Northwest winds 10 to
15 mph.
.SATURDAY...Sunny. Highs around 91. Northwest winds around 10 mph
with gusts to around 20 mph.
.SATURDAY NIGHT...Clear. Lows 60 to 65. Northwest winds up to
15 mph.
.SUNDAY...Mostly sunny. Highs around 93. Northwest winds around
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows 60 to 66.
.MONDAY...Mostly sunny. Highs around 92.
.MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 59 to 64.
Highs around 92.
$$
=