National Weather Service United States Department of Commerce

Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

                        
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FPUS56 KSTO 100722
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1222 AM PDT Fri Oct 10 2025

Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Saturday.


CAZ013-102300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1222 AM PDT Fri Oct 10 2025

.TODAY...A chance of rain showers early in the morning, then rain
showers likely late in the morning. A chance of rain showers
early in the afternoon, then rain showers late in the afternoon.
Highs 45 to 60 higher elevations...56 to 64 lower elevations.
Prevailing southwest winds up to 10 mph with gusts to around
25 mph.
.TONIGHT...Mostly cloudy with a chance of rain showers. Colder.
Lows 31 to 46 higher elevations...40 to 48 lower elevations.
Light winds. Gusts up to 20 mph.
.SATURDAY...Partly cloudy. At lower elevations, a slight chance
of rain showers in the morning. At higher elevations, a slight
chance of rain showers. Not as cool. Highs 47 to 62 higher
elevations...59 to 67 lower elevations. Light winds.
.SATURDAY NIGHT...Mostly clear. Lows 30 to 45 higher elevations...
39 to 49 lower elevations. Light winds.
.SUNDAY...Sunny, warmer. Highs 53 to 68 higher elevations...65 to
73 lower elevations. Prevailing north winds up to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 35 to 50.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 44 to 59.
.MONDAY NIGHT...Mostly cloudy with rain showers likely. Lows
34 to 49.
.TUESDAY...Mostly cloudy with a chance of rain showers. Warmer.
Highs 51 to 66.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a slight chance
of rain showers. Lows 35 to 50. Highs 52 to 67.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 36 to 51.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 53 to 68.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             62   46   65  /  90   70   20


$$
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CAZ014-102300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1222 AM PDT Fri Oct 10 2025

.TODAY...Partly cloudy. A chance of rain showers early in the
morning, then a slight chance of rain showers late in the
morning. A chance of rain showers late in the afternoon. Highs
51 to 62. Prevailing southwest winds up to 15 mph with gusts to
around 30 mph.
.TONIGHT...Rain showers likely in the evening, then a chance of
rain showers after midnight. Colder. Lows 28 to 41. Prevailing
southwest winds up to 10 mph with gusts to around 25 mph.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. At lower elevations, a chance of rain showers in the
morning, then a slight chance of rain showers in the afternoon.
At higher elevations, a chance of rain and snow showers in the
morning, then a slight chance of rain showers in the afternoon.
Highs 46 to 58. Light winds.
.SATURDAY NIGHT...Mostly clear. Colder. Lows 24 to 35. Prevailing
west winds up to 10 mph in the evening becoming light.
.SUNDAY...Sunny. Not as cool. Highs 53 to 63. Light winds.
.SUNDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 30 to 41.
.COLUMBUS DAY...Mostly cloudy with rain showers likely. Highs
44 to 55.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a chance of rain
showers. Lows 27 to 38. Highs 45 to 60.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 30 to 41.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
Highs 50 to 61.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain
showers. Lows 30 to 41.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 50 to 61.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 58   33   55  /  60   80   30


$$
=

CAZ015-102300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1222 AM PDT Fri Oct 10 2025

.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. A chance of rain showers in the morning. A slight chance
of rain showers early in the afternoon, then a chance of rain
showers late in the afternoon. Highs 63 to 71. South winds 10 to
15 mph with gusts to around 30 mph.
.TONIGHT...Mostly cloudy with rain showers likely in the evening,
then partly cloudy with a slight chance of rain showers after
midnight. Colder. Lows 44 to 50. West winds up to 10 mph with
gusts to around 25 mph in the evening becoming light.
.SATURDAY...Mostly sunny. A slight chance of rain showers in the
morning. Highs around 66. Light winds.
.SATURDAY NIGHT...Clear. Lows 42 to 50. Northwest winds up to
10 mph.
.SUNDAY...Sunny. Highs around 71. North winds 10 to 15 mph with
gusts to around 25 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows 47 to 52.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs around 62.
.MONDAY NIGHT...Rain showers likely. Lows 46 to 52.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs 60 to 66. Lows 46 to 52.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with a slight chance
of rain showers. Highs around 66. Lows around 50.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                67   45   67  /  80   70   20
RED BLUFF              69   49   69  /  60   70   20


$$
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CAZ016-102300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1222 AM PDT Fri Oct 10 2025

.TODAY...Mostly sunny. A slight chance of rain showers late in
the afternoon. Highs around 71. South winds 10 to 15 mph with
gusts to around 25 mph.
.TONIGHT...Mostly cloudy with a chance of rain showers in the
evening, then partly cloudy with a slight chance of rain showers
after midnight. Lows 47 to 53. Southwest winds up to 10 mph.
Gusts up to 25 mph in the evening.
.SATURDAY...Mostly sunny. A slight chance of rain showers in the
morning. Highs around 68. Northwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 44 to 50. North winds up to 10 mph.
.SUNDAY...Sunny. Highs around 72. Northwest winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 47 to 53.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs around 64.
.MONDAY NIGHT...Rain showers likely. Lows around 51.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs around 60. Lows around 51.
.WEDNESDAY...Mostly cloudy with a slight chance of rain showers.
Highs around 64.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight
chance of rain showers. Lows around 50. Highs around 65.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  71   53   68  /  20   60   20
OROVILLE               71   52   68  /  10   50   20
MARYSVILLE/YUBA CITY   73   51   69  /  10   30   10


$$
=

CAZ017-102300-
Southern Sacramento Valley-
Including the city of Sacramento
1222 AM PDT Fri Oct 10 2025

.TODAY...Mostly sunny. Highs 69 to 74. South winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.TONIGHT...Partly cloudy with a slight chance of rain showers.
Lows 48 to 54. Southwest winds up to 10 mph. Gusts up to 25 mph
in the evening.
.SATURDAY...Mostly sunny. Highs 67 to 73. Light winds becoming
northwest around 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 45 to 53. North winds up to 10 mph.
.SUNDAY...Sunny. Highs 71 to 77. Northwest winds around 10 mph
with gusts to around 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 51.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 63 to 69.
.MONDAY NIGHT AND TUESDAY...Rain showers likely. Lows around 53.
Highs 60 to 69.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows around 52. Highs 60 to 65.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight
chance of rain showers. Lows around 51. Highs around 66.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             74   53   71  /   0   20   10
SAC EXEC AIRPORT       74   53   72  /   0   20   10


$$
=

CAZ018-102300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1222 AM PDT Fri Oct 10 2025

.TODAY...Sunny. Highs 69 to 75. Southwest winds up to 15 mph with
gusts to around 25 mph.
.TONIGHT...Mostly clear. Lows 50 to 56. West winds up to 15 mph
with gusts to around 25 mph.
.SATURDAY...Sunny. Highs 68 to 74. West winds 10 to 15 mph with
gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows around 51. West winds around 10 mph
with gusts to around 20 mph.
.SUNDAY...Sunny. Highs 71 to 77. Northwest winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 52.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 63 to 69.
.MONDAY NIGHT AND TUESDAY...Rain showers likely. Lows around 54.
Highs 62 to 68.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows around 54. Highs 61 to 67.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight
chance of rain showers. Lows around 53. Highs 63 to 69.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       75   51   75  /  10   20    0


$$
=

CAZ019-102300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1222 AM PDT Fri Oct 10 2025

.TODAY...Sunny. Highs 69 to 77. Northwest winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows 50 to 56. Northwest winds up to
10 mph with gusts to around 20 mph.
.SATURDAY...Mostly sunny. Highs 66 to 74. Northwest winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY NIGHT...Clear. Lows 46 to 54. Northwest winds around
10 mph with gusts to around 20 mph.
.SUNDAY...Sunny. Highs 68 to 76. Northwest winds 10 to 15 mph.
.SUNDAY NIGHT...Clear. Lows 47 to 53.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 63 to 71.
.MONDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
50 to 56.
.TUESDAY...Rain showers likely. Highs 57 to 63.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows 50 to 56. Highs 58 to 68.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight
chance of rain showers. Lows 49 to 55. Highs 60 to 68.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               77   54   74  /   0   10    0
MODESTO                76   55   71  /   0   10    0


$$
=

CAZ063-102300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1222 AM PDT Fri Oct 10 2025

.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
A slight chance of rain showers early in the morning. A chance of
rain showers in the late morning and early afternoon, then rain
showers late in the afternoon. Highs 43 to 58 higher elevations...
58 to 68 lower elevations. Prevailing southwest winds up to
15 mph.
.TONIGHT...Mostly cloudy with a chance of rain showers in the
evening, then partly cloudy with a slight chance of rain showers
after midnight. Colder. Lows 32 to 46 higher elevations...44 to
50 lower elevations. Prevailing west winds up to 10 mph with
gusts to around 25 mph.
.SATURDAY...Mostly sunny. At lower elevations, a slight chance of
rain showers in the morning. At higher elevations, a slight
chance of rain and snow showers in the morning, then a slight
chance of rain showers in the afternoon. Highs 44 to 59 higher
elevations...61 to 67 lower elevations. Prevailing northwest
winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 34 to 48 higher elevations...45 to
51 lower elevations. Prevailing northwest winds up to 10 mph.
.SUNDAY...Sunny, warmer. Highs 50 to 65 higher elevations...66 to
72 lower elevations. Prevailing northwest winds up to 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows 36 to 51.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 45 to 60.
.MONDAY NIGHT...Rain showers likely. Lows 37 to 52.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs 43 to 58. Lows 38 to 53.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with a slight chance
of rain showers. Highs 49 to 64. Lows 39 to 54.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          52   38   52  /  70   60   20


$$
=

CAZ066-102300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1222 AM PDT Fri Oct 10 2025

.TODAY...Partly cloudy with a slight chance of rain showers until
late afternoon, then partly cloudy with a chance of rain showers
late in the afternoon. Highs 56 to 68. Prevailing south winds
5 to 15 mph with gusts to around 30 mph.
.TONIGHT...Mostly cloudy. Rain showers likely in the evening,
then a chance of rain showers after midnight. Colder. Lows 41 to
53. Prevailing south winds up to 10 mph with gusts to around
25 mph in the evening becoming light.
.SATURDAY...Mostly cloudy with a chance of rain showers in the
morning, then partly cloudy with a slight chance of rain showers
in the afternoon. Highs 53 to 65. Light winds.
.SATURDAY NIGHT...Clear. Lows 39 to 51. Light winds.
.SUNDAY...Sunny, warmer. Highs 61 to 71. Prevailing northeast
winds up to 10 mph shifting to the northwest in the afternoon.
.SUNDAY NIGHT...Mostly cloudy. Lows 44 to 54.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 51 to 63.
.MONDAY NIGHT...Rain showers likely. Lows 42 to 54.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy with a chance of
rain showers. Highs 51 to 66. Lows 42 to 54.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 55 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               63   50   59  /  20   70   30


$$
=

CAZ067-102300-
Motherlode-
Including the cities of Grass Valley and Jackson
1222 AM PDT Fri Oct 10 2025

.TODAY...Partly cloudy in the morning then clearing. Highs 61 to
73. Light winds becoming southwest up to 10 mph in the afternoon.
.TONIGHT...Clear with a slight chance of rain showers in the
evening, then partly cloudy with a chance of rain showers after
midnight. Lows 43 to 53. Light winds.
.SATURDAY...Mostly cloudy with a slight chance of rain showers in
the morning, then mostly sunny in the afternoon. Highs 57 to 69.
Light winds becoming west up to 10 mph in the afternoon.
.SATURDAY NIGHT...Clear. Lows 41 to 49. Prevailing northwest
winds up to 10 mph shifting to the northeast after midnight.
.SUNDAY...Sunny. Highs 62 to 72. Prevailing northeast winds up to
10 mph shifting to the west in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows 44 to 52.
.COLUMBUS DAY...Mostly cloudy with a chance of rain showers.
Highs 54 to 66.
.MONDAY NIGHT AND TUESDAY...Rain showers likely. Lows 43 to 53.
Highs 51 to 66.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy with a
chance of rain showers. Lows 43 to 53. Highs 51 to 64.
.THURSDAY...Partly cloudy with a slight chance of rain showers.
Highs 56 to 66.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           64   45   59  /  10   50   20
JACKSON                69   50   65  /   0   20   10


$$
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CAZ068-102300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1222 AM PDT Fri Oct 10 2025

.TODAY...Mostly cloudy with a slight chance of rain showers early
in the morning, then mostly cloudy in the late morning and early
afternoon. Partly cloudy with a chance of rain showers late in
the afternoon. Highs 41 to 56 higher elevations...47 to 62 lower
elevations. Prevailing south winds 5 to 15 mph with gusts to
around 30 mph.
.TONIGHT...Mostly cloudy. At lower elevations, rain showers
likely and a slight chance of thunderstorms in the evening, then
a chance of rain showers after midnight. At higher elevations, a
chance of rain showers and a slight chance of thunderstorms in
the evening, then rain showers likely and a slight chance of snow
showers after midnight. Colder. Lows 29 to 44. Prevailing
southwest winds up to 15 mph with gusts to around 30 mph.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. At lower elevations, a chance of rain showers in the
morning, then a slight chance of rain showers in the afternoon.
At higher elevations, a chance of rain and snow showers. Highs
37 to 52 higher elevations...44 to 57 lower elevations. Snow
level 6000 feet. Prevailing southwest winds up to 10 mph.
.SATURDAY NIGHT...Clear. Lows 28 to 43. Prevailing west winds up
to 10 mph in the evening becoming light.
.SUNDAY...Sunny, warmer. Highs 46 to 61 higher elevations...52 to
66 lower elevations. Prevailing northeast winds up to 10 mph in
the morning becoming light.
.SUNDAY NIGHT...Mostly cloudy. Lows 31 to 46.
.COLUMBUS DAY...Mostly cloudy with a chance of rain and snow
showers. Highs 39 to 54.
.MONDAY NIGHT...Rain and snow showers likely. Light snow
accumulations possible. Lows 31 to 46.
.TUESDAY...Mostly cloudy with a chance of rain and snow showers.
Highs 41 to 56.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly cloudy with a chance of
rain showers. Lows 32 to 47. Highs 43 to 58.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 64   36   59  /  10   70   40
CHESTER                59   30   54  /  20   80   40


$$
=

CAZ069-102300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1222 AM PDT Fri Oct 10 2025

.TODAY...Mostly sunny. Highs 46 to 61 higher elevations...56 to
70 lower elevations. Prevailing south winds up to 15 mph with
gusts to around 30 mph...except southwest up to 25 mph over
ridges.
.TONIGHT...Mostly clear in the evening, then mostly cloudy with a
chance of rain showers after midnight. Colder. Lows 27 to
41 higher elevations...38 to 48 lower elevations. Snow level
above 8000 feet. Prevailing southwest winds up to 10 mph with
gusts to around 30 mph.
.SATURDAY...Mostly cloudy in the morning then clearing. At lower
elevations, a slight chance of rain showers in the morning. At
higher elevations, a slight chance of rain and snow showers in
the morning. Highs 39 to 54 higher elevations...51 to 63 lower
elevations. Snow level 7000 feet. Prevailing southwest winds up
to 10 mph.
.SATURDAY NIGHT...Clear. Lows 24 to 39 higher elevations...35 to
47 lower elevations. Prevailing west winds up to 10 mph shifting
to the east after midnight.
.SUNDAY...Sunny, warmer. Highs 47 to 62 higher elevations...59 to
69 lower elevations. Prevailing east winds up to 10 mph in the
morning becoming light.
.SUNDAY NIGHT...Mostly clear. Lows 30 to 45.
.COLUMBUS DAY...Mostly cloudy with a chance of rain and snow
showers. Highs 40 to 55.
.MONDAY NIGHT AND TUESDAY...Rain and snow showers likely.
Moderate snow accumulations possible. Lows 29 to 44. Highs 39 to
54.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with rain and snow
showers likely. Moderate snow accumulations possible. Lows 29 to
44. Highs 39 to 54.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a chance of
rain and snow showers. Lows 28 to 43. Highs 41 to 56.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            55   41   50  /  10   50   20


$$
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