National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

                        
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Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
112 AM PST Thu Nov 21 2024

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


CAZ013-220000-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
112 AM PST Thu Nov 21 2024

...FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

.TODAY...Heavy rain showers. Not as cool. Highs 37 to 49 higher
elevations...46 to 52 lower elevations. Prevailing southwest
winds up to 10 mph with gusts to around 25 mph.
.TONIGHT...Heavy rain showers. Lows 32 to 44 higher elevations...
40 to 49 lower elevations. Prevailing south winds up to 10 mph
with gusts to around 30 mph.
.FRIDAY...Heavy rain showers. Not as cool. Highs 39 to 51 higher
elevations...49 to 55 lower elevations. Prevailing south winds up
to 15 mph with gusts to around 35 mph.
.FRIDAY NIGHT...Rain showers. Colder. Lows 29 to 41 higher
elevations...36 to 45 lower elevations. Prevailing southwest
winds up to 10 mph with gusts to around 25 mph.
.SATURDAY...Rain and snow showers. Highs 33 to 48 higher
elevations...45 to 53 lower elevations. No snow accumulation
lower elevations...up to 2 inches higher elevations. Snow level
4500 feet. Light winds.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Colder. Lows 26 to 41.
.SUNDAY...Mostly cloudy with rain and snow showers likely. Light
snow accumulations possible. Highs 33 to 48.
.SUNDAY NIGHT...Rain and snow showers likely. Moderate snow
accumulations possible. Lows 28 to 43.
.MONDAY...Rain showers with heavy snow showers likely. Moderate
snow accumulations possible. Highs 34 to 49.
.MONDAY NIGHT AND TUESDAY...Rain showers and heavy snow showers.
Moderate snow accumulations possible. Lows 29 to 44. Highs 34 to
49.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain and snow showers. Lows 26 to 41. Highs 35 to 50.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             50   48   53  / 100  100  100


$$
=

CAZ014-220000-
Burney Basin / Eastern Shasta County-
Including the city of Burney
112 AM PST Thu Nov 21 2024

.TODAY...Rain showers. Highs 41 to 49. Prevailing southeast winds
up to 10 mph with gusts to around 35 mph.
.TONIGHT...Rain showers. Lows 33 to 43. Prevailing south winds up
to 15 mph with gusts to around 40 mph.
.FRIDAY...Rain showers. Highs 41 to 50. Prevailing south winds
5 to 15 mph with gusts to around 35 mph.
.FRIDAY NIGHT...Rain showers. Colder. Lows 26 to 37. Prevailing
southwest winds up to 15 mph with gusts to around 30 mph.
.SATURDAY...Rain and snow showers. Highs 35 to 44. No snow
accumulation lower elevations...up to 2 inches higher elevations.
Snow level 4500 feet. Prevailing southwest winds up to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Colder. Lows 19 to 30.
.SUNDAY...Mostly cloudy with a chance of rain and snow showers.
Highs 33 to 42.
.SUNDAY NIGHT THROUGH TUESDAY...Rain and snow showers. Light snow
accumulations possible. Lows 25 to 35. Highs 35 to 45.
.TUESDAY NIGHT...Mostly cloudy with rain and snow showers likely.
Lows 23 to 33.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs 35 to 45.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 46   37   48  / 100  100  100


$$
=

CAZ015-220000-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
112 AM PST Thu Nov 21 2024

...WIND ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING...
...FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

.TODAY...Rain showers. Highs 51 to 57. Southeast winds 10 to
15 mph. Gusts up to 45 mph decreasing to 35 mph in the afternoon.
.TONIGHT...Rain showers. Lows 46 to 52. Southeast winds 10 to
20 mph. Gusts up to 35 mph increasing to 45 mph after midnight.
.FRIDAY...Rain showers. Breezy. Highs around 56. South winds
10 to 25 mph with gusts to around 45 mph.
.FRIDAY NIGHT...Rain showers and a slight chance of
thunderstorms. Some thunderstorms may produce heavy rainfall.
Lows 41 to 48. South winds 10 to 15 mph with gusts to around
35 mph.
.SATURDAY...Mostly cloudy. Rain showers likely in the morning,
then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. Highs 52 to 58. South winds up to
10 mph with gusts to around 20 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 38 to 44.
.SUNDAY...Mostly cloudy with rain showers likely. Highs 48 to 53.
.SUNDAY NIGHT THROUGH TUESDAY...Rain showers. Lows 41 to 48.
Highs 50 to 56.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows 38 to 44. Highs around 55.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                54   47   57  / 100  100  100
RED BLUFF              54   50   58  / 100  100  100


$$
=

CAZ016-220000-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
112 AM PST Thu Nov 21 2024

...WIND ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING...
...FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

.TODAY...Rain showers. Breezy. Highs around 57. Southeast winds
10 to 25 mph decreasing to 10 to 15 mph in the afternoon. Gusts
up to 40 mph.
.TONIGHT...Rain showers. Lows 48 to 54. Southeast winds 10 to
20 mph with gusts to around 40 mph.
.FRIDAY...Rain showers. Breezy. Highs around 57. Southeast winds
15 to 25 mph with gusts to around 40 mph.
.FRIDAY NIGHT...Rain showers and a slight chance of thunderstorms
in the evening, then rain showers after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Lows
43 to 51. South winds 10 to 15 mph with gusts to around 30 mph.
.SATURDAY...Mostly cloudy. Rain showers likely in the morning,
then a chance of rain showers in the afternoon. Highs 55 to 61.
South winds 10 to 15 mph with gusts to around 25 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 38 to 44.
.SUNDAY...Rain showers likely. Highs 50 to 56.
.SUNDAY NIGHT THROUGH TUESDAY...Rain showers. Lows 42 to 49.
Highs around 56.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows 39 to 45. Highs around 56.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  56   51   57  / 100  100  100
OROVILLE               57   50   57  / 100   90  100
MARYSVILLE/YUBA CITY   57   51   57  / 100   80  100


$$
=

CAZ017-220000-
Southern Sacramento Valley-
Including the city of Sacramento
112 AM PST Thu Nov 21 2024

.TODAY...Rain showers in the morning, then a chance of rain
showers in the afternoon. Highs 57 to 63. Southeast winds 10 to
20 mph with gusts to around 35 mph.
.TONIGHT...Mostly cloudy with a chance of rain showers. Lows
50 to 56. Southeast winds 10 to 15 mph with gusts to around
40 mph.
.FRIDAY...Rain showers. Highs around 58. Southeast winds 10 to
15 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon.
.FRIDAY NIGHT...Rain showers. Lows around 49. South winds 10 to
15 mph with gusts to around 30 mph.
.SATURDAY...Mostly cloudy. Rain showers likely in the morning,
then a chance of rain showers in the afternoon. Highs 55 to 61.
South winds 10 to 15 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows 40 to 46.
.SUNDAY...Rain showers likely. Highs 52 to 58.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Rain showers. Lows around
45. Highs 54 to 60.
.WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs
53 to 59.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             61   53   58  /  90   50  100
SAC EXEC AIRPORT       61   52   58  /  90   50  100


$$
=

CAZ018-220000-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
112 AM PST Thu Nov 21 2024

.TODAY...Rain showers in the morning, then a chance of rain
showers in the afternoon. Breezy. Highs 60 to 66. Southeast winds
15 to 25 mph shifting to the south 10 to 15 mph in the afternoon.
Gusts up to 40 mph.
.TONIGHT...Mostly cloudy with a chance of rain showers. Lows
52 to 58. South winds 10 to 15 mph with gusts to around 40 mph.
.FRIDAY...Rain showers. Breezy. Highs around 60. Southeast winds
10 to 25 mph. Gusts up to 45 mph decreasing to 35 mph in the
afternoon.
.FRIDAY NIGHT...Rain showers. Lows around 51. South winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Mostly cloudy. Rain showers likely in the morning,
then a chance of rain showers in the afternoon. Highs 56 to 61.
Southwest winds 10 to 15 mph. Gusts up to 25 mph in the morning.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Lows around 43.
.SUNDAY...Rain showers likely. Highs 52 to 58.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Rain showers likely. Lows
around 46. Highs 55 to 61.
.WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs
around 57.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       64   53   61  /  90   60  100


$$
=

CAZ019-220000-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
112 AM PST Thu Nov 21 2024

.TODAY...Mostly cloudy with a chance of rain showers. Warmer.
Highs 63 to 71. Southeast winds 10 to 15 mph with gusts to around
30 mph.
.TONIGHT...Mostly cloudy. A slight chance of rain showers in the
evening. Lows 48 to 58. Southeast winds 10 to 15 mph with gusts
to around 25 mph.
.FRIDAY...Mostly cloudy. A chance of rain showers in the morning,
then rain showers in the afternoon. Highs 59 to 67. Southeast
winds 10 to 15 mph with gusts to around 30 mph.
.FRIDAY NIGHT...Rain showers. Lows 49 to 55. Southeast winds
10 to 15 mph with gusts to around 30 mph.
.SATURDAY...Mostly cloudy. Rain showers in the morning, then a
chance of rain showers in the afternoon. Highs 55 to 62. South
winds around 10 mph with gusts to around 20 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Colder. Lows 40 to 48.
.SUNDAY...Rain showers likely. Highs 52 to 59.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
44 to 50.
.MONDAY THROUGH TUESDAY...Rain showers likely. Highs 54 to 61.
Lows 43 to 50.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows 42 to 48. Highs 53 to 60.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               68   53   63  /  60   20   90
MODESTO                69   53   64  /  30   10   70


$$
=

CAZ063-220000-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
112 AM PST Thu Nov 21 2024

...FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

.TODAY...Heavy rain showers. Not as cool. Highs 39 to 53 higher
elevations...48 to 56 lower elevations. Prevailing south winds
5 to 15 mph with gusts to around 35 mph.
.TONIGHT...Rain showers. Lows 37 to 52. Prevailing south winds
10 to 20 mph with gusts to around 45 mph.
.FRIDAY...Rain showers. Highs 41 to 53 higher elevations...51 to
57 lower elevations. Prevailing south winds 5 to 15 mph with
gusts to around 40 mph.
.FRIDAY NIGHT...Rain showers in the evening, then rain and snow
showers after midnight. Colder. Lows 29 to 41 higher elevations...
39 to 45 lower elevations. No snow accumulation lower
elevations...up to 1 inch higher elevations. Prevailing southwest
winds 5 to 15 mph with gusts to around 30 mph.
.SATURDAY...Rain and snow showers. Highs 33 to 48 higher
elevations...48 to 54 lower elevations. No snow accumulation
lower elevations...up to 1 inch higher elevations. Snow level
4500 feet. Prevailing southwest winds up to 10 mph with gusts to
around 25 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Colder. Lows 28 to 43.
.SUNDAY...Rain and snow showers likely. Light snow accumulations
possible. Highs 34 to 49.
.SUNDAY NIGHT THROUGH TUESDAY...Rain showers and heavy snow
showers. Moderate snow accumulations possible. Lows 31 to 46.
Highs 36 to 51.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain and snow showers. Lows 30 to 45. Highs 36 to 51.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          48   42   48  / 100  100  100


$$
=

CAZ066-220000-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
112 AM PST Thu Nov 21 2024

...WIND ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING...
...FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

.TODAY...Heavy rain showers. Highs 47 to 57. Prevailing southeast
winds 5 to 15 mph with gusts to around 40 mph.
.TONIGHT...Heavy rain showers. Lows 42 to 52. Prevailing
southeast winds 5 to 15 mph with gusts to around 40 mph.
.FRIDAY...Heavy rain showers. Highs 47 to 57. Prevailing
southeast winds 10 to 20 mph with gusts to around 40 mph.
.FRIDAY NIGHT...Rain showers and a slight chance of
thunderstorms. Colder. Some thunderstorms may produce heavy
rainfall. Lows 37 to 51. Prevailing south winds 5 to 15 mph with
gusts to around 35 mph.
.SATURDAY...Rain showers in the morning, then rain showers likely
and a slight chance of thunderstorms in the afternoon. Highs
43 to 55. Prevailing south winds up to 10 mph with gusts to
around 25 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers.
Colder. Lows 33 to 47.
.SUNDAY...Rain showers likely. Highs 42 to 52.
.SUNDAY NIGHT...Rain showers. Lows 36 to 48.
.MONDAY...Rain showers. Highs 42 to 54.
.MONDAY NIGHT...Rain showers. Lows 38 to 48.
.TUESDAY...Rain showers. Highs 42 to 54.
.TUESDAY NIGHT...Mostly cloudy with rain showers likely. Lows
35 to 47.
.WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs
44 to 54.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               51   49   51  / 100  100  100


$$
=

CAZ067-220000-
Motherlode-
Including the cities of Grass Valley and Jackson
112 AM PST Thu Nov 21 2024

.TODAY...Rain showers in the morning, then a chance of rain
showers in the afternoon. Warmer. Highs 48 to 63 higher
elevations...53 to 68 lower elevations. Prevailing southeast
winds up to 10 mph with gusts to around 30 mph.
.TONIGHT...Mostly cloudy. A chance of rain showers in the
evening, then a slight chance of rain showers after midnight.
Lows 43 to 57. Prevailing southeast winds up to 10 mph.
.FRIDAY...Heavy rain showers. Highs 51 to 66. Prevailing
southeast winds up to 15 mph.
.FRIDAY NIGHT...Heavy rain showers. Colder. Lows 40 to 52.
Prevailing southeast winds 5 to 15 mph with gusts to around
30 mph.
.SATURDAY...Rain showers. Highs 46 to 58. Prevailing south winds
up to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with rain showers likely. Colder.
Lows 34 to 44.
.SUNDAY...Rain showers likely. Highs 44 to 56.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...Rain showers. Lows 35 to
48. Highs 45 to 57.
.WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs
47 to 57.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           50   43   51  / 100   80  100
JACKSON                62   53   60  /  70   40   90


$$
=

CAZ068-220000-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
112 AM PST Thu Nov 21 2024

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM PST EARLY THIS
MORNING...

.TODAY...At lower elevations, heavy rain showers. At higher
elevations, heavy rain showers and heavy snow showers in the
morning, then heavy rain showers in the afternoon. Not as cool.
Highs 32 to 46 higher elevations...38 to 50 lower elevations.
Little or no snow accumulation. Prevailing south winds 5 to
15 mph with gusts to around 40 mph.
.TONIGHT...Heavy rain showers. Lows 30 to 45. Prevailing south
winds 5 to 15 mph with gusts to around 45 mph.
.FRIDAY...Heavy rain showers. Highs 32 to 46 higher elevations...
39 to 49 lower elevations. Prevailing south winds 10 to 20 mph
with gusts to around 45 mph.
.FRIDAY NIGHT...Heavy rain showers and a slight chance of
thunderstorms in the evening, then rain showers, heavy snow
showers and a slight chance of thunderstorms after midnight.
Colder. Lows 22 to 37 higher elevations...27 to 42 lower
elevations. No snow accumulation lower elevations...1 to 7 inches
higher elevations. Snow level 6500 feet. Prevailing south winds
5 to 15 mph with gusts to around 35 mph.
.SATURDAY...Rain and snow showers. Highs 26 to 41 higher
elevations...33 to 45 lower elevations. Snow accumulation up to
1 inch lower elevations...except 3 to 6 inches higher elevations.
Snow level 5000 feet. Prevailing southwest winds up to 15 mph
with gusts to around 30 mph.
.SATURDAY NIGHT...Mostly cloudy with rain and snow showers
likely. Colder. Light snow accumulations possible. Lows 21 to 36.
.SUNDAY...Rain and snow showers likely. Light snow accumulations
possible. Highs 29 to 44.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Rain and snow showers.
Moderate snow accumulations possible. Lows 24 to 39. Highs 30 to
45.
.TUESDAY...Rain showers and heavy snow showers. Heavy snow
accumulations possible. Highs 30 to 45.
.TUESDAY NIGHT...Mostly cloudy with rain and snow showers likely.
Moderate snow accumulations possible. Lows 23 to 38.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs 31 to 46.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 49   36   50  / 100   90  100
CHESTER                45   31   45  / 100  100  100


$$
=

CAZ069-220000-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
112 AM PST Thu Nov 21 2024

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM PST EARLY THIS
MORNING...

.TODAY...At lower elevations, rain showers in the morning, then a
chance of rain showers in the afternoon. At higher elevations,
rain showers and a chance of snow showers in the morning, then a
slight chance of snow showers early in the afternoon. A chance of
rain showers in the afternoon. A chance of snow showers late in
the afternoon. Not as cool. Highs 36 to 51 higher elevations...
46 to 61 lower elevations. No snow accumulation lower
elevations...up to 1 inch higher elevations. Snow level 7000 feet
increasing to above 8000 feet in the afternoon. Prevailing south
winds 5 to 15 mph with gusts to around 45 mph...except south
10 to 25 mph with gusts to around 45 mph over ridges.
.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 29 to 44 higher elevations...38 to 52 lower
elevations. Snow level above 8000 feet decreasing to 7000 feet
after midnight. Prevailing south winds 5 to 15 mph with gusts to
around 45 mph...except south 10 to 30 mph with gusts to around
45 mph over ridges.
.FRIDAY...At lower elevations, heavy rain showers. At higher
elevations, a chance of rain and snow showers in the morning,
then heavy rain and snow showers in the afternoon. Highs 36 to
51 higher elevations...46 to 61 lower elevations. No snow
accumulation lower elevations...up to 3 inches higher elevations.
Snow level 7000 feet. Prevailing south winds 5 to 15 mph with
gusts to around 45 mph...except south 10 to 30 mph with gusts to
around 45 mph over ridges.
.FRIDAY NIGHT...Heavy rain showers and heavy snow showers.
Colder. Lows 23 to 38 higher elevations...34 to 46 lower
elevations. No snow accumulation lower elevations...4 to 9 inches
higher elevations. Snow level 7500 feet. Prevailing south winds
5 to 15 mph with gusts to around 45 mph...except south 10 to
35 mph with gusts to around 50 mph over ridges.
.SATURDAY...Rain showers and heavy snow showers. Highs 28 to
43 higher elevations...40 to 50 lower elevations. No snow
accumulation lower elevations...3 to 9 inches higher elevations.
Snow level 6500 feet. Prevailing southwest winds 5 to 15 mph with
gusts to around 45 mph. Over ridges, prevailing southwest winds
25 to 35 mph decreasing to 15 to 25 mph in the afternoon. Gusts
up to 50 mph over ridges.
.SATURDAY NIGHT...Rain and snow showers likely. Colder. Moderate
snow accumulations possible. Lows 20 to 35.
.SUNDAY...Rain and snow showers likely. Moderate snow
accumulations possible. Highs 30 to 45.
.SUNDAY NIGHT AND MONDAY...Rain showers and heavy snow showers
likely. Moderate snow accumulations possible. Lows 24 to 39.
Highs 31 to 46.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Rain showers and heavy snow
showers. Moderate snow accumulations possible. Lows 23 to 38.
Highs 31 to 46.
.WEDNESDAY...Mostly cloudy with rain and snow showers likely.
Light snow accumulations possible. Highs 33 to 48.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            43   40   43  / 100   80  100


$$
=