Zone Forecast Product
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
488
FPUS56 KSTO 221222
ZFPSTO
Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
521 AM PDT Fri Aug 22 2025
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Saturday.
CAZ013-222300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs 87 to 102 higher elevations...98 to
106 lower elevations. Prevailing northeast winds up to 10 mph
shifting to the south in the afternoon.
.TONIGHT...Mostly clear. Lows 61 to 76. Light winds.
.SATURDAY...Partly cloudy in the morning then becoming mostly
sunny. Highs 86 to 101 higher elevations...96 to 106 lower
elevations. Light winds becoming south up to 10 mph in the
afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 73 higher elevations...
67 to 75 lower elevations. Prevailing south winds up to 10 mph in
the evening becoming light.
.SUNDAY...Mostly sunny. Highs 86 to 101 higher elevations...95 to
105 lower elevations. Light winds becoming south up to 10 mph in
the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 59 to 74.
.MONDAY...Sunny. Highs 87 to 102.
.MONDAY NIGHT AND TUESDAY...Mostly clear. A slight chance of rain
showers. Lows 58 to 73. Highs 87 to 102.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 58 to 73.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 82 to 97.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows 56 to 71.
.THURSDAY...Mostly sunny. Highs 80 to 95.
&&
TEMPERATURE / PRECIPITATION
SHASTA DAM 103 74 103 / 0 0 0
$$
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CAZ014-222300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
521 AM PDT Fri Aug 22 2025
.TODAY...Mostly sunny. Highs 88 to 98. Light winds becoming west
up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 54 to 66. Prevailing west winds up
to 10 mph in the evening becoming light.
.SATURDAY...Mostly cloudy in the morning then clearing. Highs
86 to 98. Light winds becoming west up to 10 mph in the
afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 53 to 66. Prevailing west
winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 84 to 97. Light winds becoming west
up to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 51 to 65.
.MONDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 83 to 96.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 49 to 62.
.TUESDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 81 to 94.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 49 to 63.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 78 to 90.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 48 to 61.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 76 to 88.
&&
TEMPERATURE / PRECIPITATION
BURNEY 96 57 95 / 0 0 0
$$
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CAZ015-222300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs around 103. Light winds becoming
south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 68 to 76. South winds up to 10 mph
in the evening becoming light.
.SATURDAY...Partly cloudy in the morning then becoming mostly
sunny. Highs 99 to 105. Light winds becoming south up to 10 mph
in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 68 to 74. Southeast winds up
to 10 mph. Gusts up to 20 mph in the evening.
.SUNDAY...Mostly sunny. Highs 98 to 104. Light winds becoming
south up to 10 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 68 to 74.
.MONDAY...Sunny. Highs 98 to 104.
.MONDAY NIGHT AND TUESDAY...Clear. Lows 69 to 75. Highs 97 to
104.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 67 to 73.
.WEDNESDAY...Mostly sunny. Highs 93 to 99.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 65 to 71.
.THURSDAY...Mostly sunny. Highs 91 to 97.
&&
TEMPERATURE / PRECIPITATION
REDDING 105 69 105 / 0 0 0
RED BLUFF 104 71 103 / 0 0 0
$$
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CAZ016-222300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs around 100. Light winds becoming
south up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 65 to 75. Southeast winds up to
10 mph.
.SATURDAY...Mostly sunny. Highs around 100. Light winds becoming
south up to 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 64 to 72. South winds up to
10 mph.
.SUNDAY...Sunny. Highs around 98. Southeast winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 63 to 71.
.MONDAY...Sunny. Highs around 97.
.MONDAY NIGHT AND TUESDAY...Clear. Lows 63 to 71. Highs around
97.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 61 to
69. Highs around 94.
.THURSDAY...Sunny. Highs around 92.
&&
TEMPERATURE / PRECIPITATION
CHICO 102 74 102 / 0 0 0
OROVILLE 102 71 102 / 0 0 0
MARYSVILLE/YUBA CITY 102 68 102 / 0 0 10
$$
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CAZ017-222300-
Southern Sacramento Valley-
Including the city of Sacramento
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs 98 to 104. Southwest winds up to
10 mph.
.TONIGHT...Mostly clear. Lows 62 to 72. South winds up to 10 mph.
.SATURDAY...Mostly sunny. Highs 96 to 104. South winds up to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 60 to 70. South winds up to
10 mph with gusts to around 20 mph.
.SUNDAY...Sunny. Highs 93 to 101. South winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 58 to 68.
.MONDAY...Sunny. Highs 92 to 100.
.MONDAY NIGHT AND TUESDAY...Clear. Lows 59 to 68. Highs 91 to
100.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 59 to 67. Highs
89 to 99.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 58 to 65. Highs 88 to
96.
&&
TEMPERATURE / PRECIPITATION
SACRAMENTO 102 67 101 / 0 0 10
SAC EXEC AIRPORT 101 65 98 / 0 0 10
$$
=
CAZ018-222300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs 91 to 97. West winds around 10 mph
with gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows 59 to 67. West winds 10 to 15 mph
with gusts to around 25 mph.
.SATURDAY...Mostly sunny. Near the bay, mostly cloudy in the
morning then clearing. Highs 89 to 95...except 83 to 89 near the
bay. West winds 10 to 15 mph with gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows 59 to 65. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Sunny. Near the bay, mostly cloudy in the morning then
clearing. Highs 86 to 92...except 80 to 86 near the bay.
Southwest winds 10 to 15 mph with gusts to around 25 mph.
.SUNDAY NIGHT...Clear. Lows 58 to 64.
.MONDAY...Sunny. Highs 85 to 91.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Clear. Lows 57 to 64. Highs
85 to 91.
.WEDNESDAY...Mostly sunny. Highs 82 to 88.
.WEDNESDAY NIGHT...Clear. Lows 57 to 63.
.THURSDAY...Mostly sunny. Highs 83 to 89.
&&
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 99 62 95 / 0 0 10
$$
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CAZ019-222300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs 97 to 103. Northwest winds up to
10 mph.
.TONIGHT...Mostly clear. Lows 65 to 75. Northwest winds up to
10 mph.
.SATURDAY...Mostly sunny. Highs 96 to 102. Northwest winds up to
10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 63 to 73. Northwest winds up
to 10 mph with gusts to around 20 mph.
.SUNDAY...Sunny. Highs 92 to 100. Northwest winds up to 10 mph.
.SUNDAY NIGHT...Clear. Lows 61 to 71.
.MONDAY...Sunny. Highs 93 to 99.
.MONDAY NIGHT...Clear. Lows 60 to 70.
.TUESDAY...Partly cloudy with a slight chance of rain showers.
Highs 92 to 98.
.TUESDAY NIGHT...Clear. Lows 61 to 69.
.WEDNESDAY...Mostly sunny. Highs 89 to 95.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 59 to 67. Highs 88 to
95.
&&
TEMPERATURE / PRECIPITATION
STOCKTON 103 66 101 / 0 10 10
MODESTO 102 71 102 / 0 10 10
$$
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CAZ063-222300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
521 AM PDT Fri Aug 22 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
SATURDAY...
.TODAY...Mostly sunny. Highs 81 to 96 higher elevations...97 to
103 lower elevations. Prevailing north winds up to 10 mph
shifting to the southeast in the afternoon.
.TONIGHT...Mostly clear. Lows 64 to 76 higher elevations...72 to
80 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.SATURDAY...Partly cloudy. Highs 81 to 96 higher elevations...
97 to 102 lower elevations. Prevailing northwest winds up to
10 mph shifting to the southeast in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 64 to 76 higher elevations...
71 to 79 lower elevations. Prevailing south winds up to 10 mph in
the evening becoming light.
.SUNDAY...Mostly sunny. Highs 80 to 95 higher elevations...96 to
101 lower elevations. Light winds becoming southeast up to 10 mph
in the afternoon.
.SUNDAY NIGHT...Clear. Lows 63 to 77.
.MONDAY...Sunny. Highs 83 to 98.
.MONDAY NIGHT...Mostly clear. Lows 64 to 79.
.TUESDAY...Sunny with a slight chance of rain showers. Highs
82 to 97.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a
slight chance of rain showers. Lows 60 to 75. Highs 80 to 95.
.THURSDAY...Mostly sunny. Highs 77 to 92.
&&
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 88 71 88 / 0 0 10
$$
=
CAZ066-222300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
521 AM PDT Fri Aug 22 2025
.TODAY...Mostly sunny. Highs 91 to 103. Prevailing northeast
winds up to 10 mph shifting to the southwest in the afternoon.
.TONIGHT...Mostly clear. Lows 70 to 80. Prevailing southeast
winds up to 10 mph in the evening becoming light.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
91 to 103. Light winds becoming southwest up to 10 mph in the
afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 68 to 77. Prevailing south
winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 89 to 101. Light winds becoming
southwest up to 10 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 68 to 76.
.MONDAY...Sunny. Highs 88 to 102.
.MONDAY NIGHT...Mostly clear. Lows 66 to 76.
.TUESDAY...Sunny. Highs 87 to 101.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 66 to 74.
.WEDNESDAY...Mostly sunny. Highs 83 to 97.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 64 to 72.
.THURSDAY...Mostly sunny. Highs 81 to 95.
&&
TEMPERATURE / PRECIPITATION
PARADISE 96 78 96 / 0 0 0
$$
=
CAZ067-222300-
Motherlode-
Including the cities of Grass Valley and Jackson
521 AM PDT Fri Aug 22 2025
.TODAY...Mostly sunny. Highs 93 to 103. Light winds becoming west
up to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 68 to 78. Light winds.
.SATURDAY...Mostly sunny. Highs 92 to 102. Light winds becoming
west up to 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 65 to 75. Prevailing west
winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 91 to 99. Light winds becoming
southwest up to 10 mph in the afternoon.
.SUNDAY NIGHT...Clear. Lows 64 to 74.
.MONDAY...Partly cloudy with a slight chance of rain showers.
Highs 89 to 99.
.MONDAY NIGHT...Mostly clear. Lows 64 to 74.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with a slight chance
of rain showers. Highs 84 to 97. Lows 62 to 74.
.WEDNESDAY NIGHT...Mostly clear. Lows 61 to 69.
.THURSDAY...Sunny. Highs 83 to 93.
&&
TEMPERATURE / PRECIPITATION
GRASS VALLEY 96 71 96 / 0 0 0
JACKSON 98 71 98 / 0 10 10
$$
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CAZ068-222300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
521 AM PDT Fri Aug 22 2025
.TODAY...Mostly sunny. Highs 77 to 92 higher elevations...83 to
98 lower elevations. Light winds becoming southwest up to 10 mph
in the afternoon.
.TONIGHT...Mostly clear. Lows 60 to 75. Light winds.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
77 to 92 higher elevations...83 to 98 lower elevations. Light
winds becoming southwest up to 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Cooler. Lows 57 to 72. Prevailing
southwest winds up to 10 mph in the evening becoming light.
.SUNDAY...Mostly sunny. A slight chance of rain showers in the
afternoon. Highs 75 to 90 higher elevations...81 to 96 lower
elevations. Light winds becoming southwest up to 10 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 56 to 71.
.MONDAY...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 78 to 93.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 54 to 69.
.TUESDAY...Partly cloudy with a chance of rain showers. Highs
76 to 91.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 54 to 69.
.WEDNESDAY...Partly cloudy with a chance of rain showers. Highs
72 to 87.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 52 to 67.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 71 to 86.
&&
TEMPERATURE / PRECIPITATION
QUINCY 101 56 100 / 0 0 10
CHESTER 95 57 95 / 0 0 10
$$
=
CAZ069-222300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
521 AM PDT Fri Aug 22 2025
.TODAY...Mostly sunny. At higher elevations, a slight chance of
rain showers late in the afternoon. Highs 76 to 91 higher
elevations...89 to 99 lower elevations. Prevailing southeast
winds up to 10 mph shifting to the southwest in the afternoon.
.TONIGHT...Mostly clear. Lows 55 to 70 higher elevations...65 to
79 lower elevations. Light winds.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. At higher elevations, a slight chance of rain showers in
the morning, then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. At lower elevations, a slight
chance of rain showers in the afternoon. Highs 75 to 90 higher
elevations...89 to 99 lower elevations. Prevailing east winds up
to 10 mph shifting to the southwest in the afternoon.
.SATURDAY NIGHT...Partly cloudy. A chance of rain showers in the
evening, then a slight chance of rain showers after midnight.
Lows 52 to 67 higher elevations...62 to 76 lower elevations.
Prevailing west winds up to 10 mph shifting to the east after
midnight.
.SUNDAY...Partly cloudy with a slight chance of rain showers in
the morning, then mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms in the afternoon. Highs 72 to
87 higher elevations...86 to 96 lower elevations. Prevailing east
winds up to 10 mph shifting to the southwest in the afternoon.
.SUNDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 55 to 70.
.MONDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 75 to 90.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 54 to 69.
.TUESDAY...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 73 to 88.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 52 to 67.
.WEDNESDAY...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs 69 to 84.
.WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 50 to 65.
.THURSDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 69 to 84.
&&
TEMPERATURE / PRECIPITATION
BLUE CANYON 88 72 88 / 0 0 10
$$
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