261
FPUS56 KSTO 171222
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
522 AM PDT SAT MAY 17 2025
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND SUNDAY.
CAZ013-172300-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
INCLUDING THE CITY OF SHASTA DAM
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. AT LOWER
ELEVATIONS, A SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. AT
HIGHER ELEVATIONS, A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE MORNING. A SLIGHT CHANCE OF RAIN
SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON. A SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. HIGHS 55 TO 70 HIGHER
ELEVATIONS...69 TO 77 LOWER ELEVATIONS. PREVAILING NORTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT...CLEAR, COLDER. LOWS 33 TO 48 HIGHER ELEVATIONS
42 TO
52 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 15 MPH.
SUNDAY...SUNNY, WARMER. HIGHS 59 TO 74 HIGHER ELEVATIONS
71 TO
81 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.
SUNDAY NIGHT...CLEAR. LOWS 36 TO 51 HIGHER ELEVATIONS
46 TO
55 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY...SUNNY, WARMER. HIGHS 66 TO 81 HIGHER ELEVATIONS
79 TO
87 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 42 TO 57.
TUESDAY
SUNNY, WARMER. HIGHS 73 TO 88.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 44 TO 59. HIGHS 73 TO
88.
TEMPERATURE / PRECIPITATION
SHASTA DAM 75 50 79 / 10 0 0
=
CAZ014-172300-
BURNEY BASIN / EASTERN SHASTA COUNTY-
INCLUDING THE CITY OF BURNEY
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON, THEN PARTLY CLOUDY
LATE IN THE AFTERNOON. HIGHS 51 TO 62 HIGHER ELEVATIONS...60 TO
66 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. COLDER. LOWS 28 TO 39. PREVAILING NORTH
WINDS UP TO 10 MPH IN THE EVENING BECOMING LIGHT. GUSTS UP TO
25 MPH.
SUNDAY...SUNNY. HIGHS 54 TO 65 HIGHER ELEVATIONS
64 TO
69 LOWER ELEVATIONS. LIGHT WINDS BECOMING NORTH UP TO 10 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
CLEAR. LOWS 31 TO 40. PREVAILING NORTH WINDS UP
TO 15 MPH.
MONDAY
SUNNY, WARMER. HIGHS 65 TO 77. LIGHT WINDS.
MONDAY NIGHT
CLEAR. LOWS 37 TO 45.
TUESDAY
SUNNY, WARMER. HIGHS 70 TO 82.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 39 TO 48. HIGHS 70 TO
83.
TEMPERATURE / PRECIPITATION
BURNEY 62 35 66 / 40 0 0
=
CAZ015-172300-
NORTHERN SACRAMENTO VALLEY-
INCLUDING THE CITIES OF REDDING AND RED BLUFF
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY SUNNY. HIGHS 74 TO 80. NORTHWEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
CLEAR. LOWS 49 TO 55. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
SUNDAY
SUNNY. HIGHS 77 TO 83. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS 52 TO 58. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 84 TO 89. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
CLEAR. LOWS 55 TO 61.
TUESDAY
SUNNY. HIGHS AROUND 91.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 56 TO 63. HIGHS 89 TO
95.
TEMPERATURE / PRECIPITATION
REDDING 78 51 81 / 10 0 0
RED BLUFF 81 53 83 / 10 0 0
=
CAZ016-172300-
CENTRAL SACRAMENTO VALLEY-
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY SUNNY. HIGHS 75 TO 81. EAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
TONIGHT
CLEAR. LOWS 51 TO 57. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS 78 TO 84. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS 54 TO 60. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 86 TO 91. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
CLEAR. LOWS AROUND 59.
TUESDAY
SUNNY. HIGHS 88 TO 93.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 58 TO 64. HIGHS 88 TO
97.
TEMPERATURE / PRECIPITATION
CHICO 80 54 82 / 10 0 0
OROVILLE 78 53 82 / 10 0 0
MARYSVILLE/YUBA CITY 79 54 82 / 10 0 0
=
CAZ017-172300-
SOUTHERN SACRAMENTO VALLEY-
INCLUDING THE CITY OF SACRAMENTO
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 73 TO
81. SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST IN THE
AFTERNOON.
TONIGHT
CLEAR. LOWS 48 TO 58. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS 77 TO 85. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS 53 TO 61. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 85 TO 91. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
CLEAR. LOWS 55 TO 61.
TUESDAY
SUNNY. HIGHS 87 TO 94.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 54 TO 63. HIGHS 86 TO
96.
TEMPERATURE / PRECIPITATION
SACRAMENTO 79 55 82 / 0 0 0
SAC EXEC AIRPORT 78 52 83 / 0 0 0
=
CAZ018-172300-
CARQUINEZ STRAIT AND DELTA-
INCLUDING THE CITY OF FAIRFIELD/SUISUN
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 70 TO
76. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS AROUND 52. WEST WINDS 10 TO 20 MPH. GUSTS
UP TO 30 MPH IN THE EVENING.
SUNDAY
SUNNY. HIGHS 76 TO 82. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS AROUND 58. WEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY, WARMER. HIGHS 84 TO 90. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
CLEAR. LOWS AROUND 57.
TUESDAY
SUNNY. HIGHS 84 TO 90.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
CLEAR. LOWS AROUND 57.
HIGHS 86 TO 92.
FRIDAY
SUNNY. HIGHS 81 TO 87.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 77 50 83 / 0 0 0
=
CAZ019-172300-
NORTHERN SAN JOAQUIN VALLEY-
INCLUDING THE CITIES OF STOCKTON AND MODESTO
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 68 TO
78. WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS 47 TO 55. WEST WINDS UP TO 15 MPH. GUSTS
UP TO 30 MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY, WARMER. HIGHS 75 TO 84. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS 51 TO 61. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY, WARMER. HIGHS 83 TO 91. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
CLEAR. LOWS 54 TO 60.
TUESDAY
SUNNY. HIGHS 85 TO 93.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 53 TO 63. HIGHS 85 TO
95.
TEMPERATURE / PRECIPITATION
STOCKTON 78 50 84 / 0 0 0
MODESTO 77 53 82 / 0 0 0
=
CAZ063-172300-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-
INCLUDING THE CITY OF ALDER SPRINGS
522 AM PDT SAT MAY 17 2025
TODAY...MOSTLY SUNNY. HIGHS 51 TO 66 HIGHER ELEVATIONS
68 TO
76 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
TONIGHT...CLEAR, COLDER. LOWS 35 TO 49 HIGHER ELEVATIONS
46 TO
52 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH.
SUNDAY...SUNNY, WARMER. HIGHS 56 TO 71 HIGHER ELEVATIONS
72 TO
80 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT...CLEAR. LOWS 40 TO 54 HIGHER ELEVATIONS
50 TO
58 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY...SUNNY, WARMER. HIGHS 63 TO 78 HIGHER ELEVATIONS
79 TO
86 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
CLEAR. LOWS 46 TO 61.
TUESDAY
SUNNY, WARMER. HIGHS 70 TO 85.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 48 TO 63. HIGHS 71 TO
86.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 60 43 64 / 0 0 0
=
CAZ066-172300-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
INCLUDING THE CITY OF PARADISE
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. A SLIGHT
CHANCE OF RAIN SHOWERS. HIGHS 60 TO 72 HIGHER ELEVATIONS...68 TO
76 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
TONIGHT
CLEAR, COLDER. LOWS 43 TO 53. PREVAILING NORTH WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS 67 TO 79. PREVAILING NORTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
CLEAR. LOWS 46 TO 58. PREVAILING NORTH WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY, WARMER. HIGHS 74 TO 86. PREVAILING NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
GUSTS UP TO 25 MPH.
MONDAY NIGHT
CLEAR. LOWS 52 TO 62.
TUESDAY
SUNNY. HIGHS 76 TO 90.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 53 TO 65. HIGHS 77 TO
92.
TEMPERATURE / PRECIPITATION
PARADISE 69 51 73 / 20 0 0
=
CAZ067-172300-
MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY UNTIL LATE AFTERNOON, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. HIGHS
60 TO 74. PREVAILING SOUTH WINDS UP TO 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 44 TO 50. LIGHT WINDS.
SUNDAY
SUNNY, WARMER. HIGHS 66 TO 78. LIGHT WINDS BECOMING
WEST UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
CLEAR. LOWS 48 TO 54. PREVAILING NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP
TO 25 MPH.
MONDAY
SUNNY, WARMER. HIGHS 74 TO 86. PREVAILING NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 52 TO 58.
TUESDAY
SUNNY. HIGHS 77 TO 89.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 53 TO 61. HIGHS 77 TO
92.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 65 45 70 / 20 10 0
JACKSON 70 47 74 / 10 10 0
=
CAZ068-172300-
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. A SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE MORNING, THEN A SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 43 TO 58 HIGHER ELEVATIONS...50 TO 64 LOWER
ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. COLDER. LOWS 29 TO 44. PREVAILING
NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE NORTHEAST AFTER
MIDNIGHT.
SUNDAY...SUNNY, WARMER. HIGHS 49 TO 64 HIGHER ELEVATIONS
57 TO
70 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.
SUNDAY NIGHT
CLEAR. LOWS 33 TO 48. PREVAILING NORTH WINDS UP
TO 15 MPH.
MONDAY...SUNNY, WARMER. HIGHS 57 TO 72 HIGHER ELEVATIONS
64 TO
78 LOWER ELEVATIONS. PREVAILING NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 37 TO 52.
TUESDAY
SUNNY, WARMER. HIGHS 64 TO 79.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 40 TO 55. HIGHS 65 TO
80.
TEMPERATURE / PRECIPITATION
QUINCY 64 35 72 / 50 10 0
CHESTER 60 31 66 / 60 10 0
=
CAZ069-172300-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
522 AM PDT SAT MAY 17 2025
TODAY
MOSTLY CLOUDY. AT HIGHER ELEVATIONS, A SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE MORNING. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE AFTERNOON.
AT LOWER ELEVATIONS, A SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
AFTERNOON. A CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. HIGHS
41 TO 56 HIGHER ELEVATIONS...54 TO 64 LOWER ELEVATIONS. SNOW
LEVEL 7500 FEET IN THE AFTERNOON. PREVAILING SOUTHWEST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 40 MPH...EXCEPT SOUTHWEST UP TO
30 MPH WITH GUSTS TO AROUND 45 MPH OVER RIDGES.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN CLEARING. COLDER.
LOWS 26 TO 41 HIGHER ELEVATIONS...39 TO 49 LOWER ELEVATIONS.
PREVAILING WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH IN
THE EVENING BECOMING LIGHT.
SUNDAY...SUNNY, WARMER. HIGHS 49 TO 64 HIGHER ELEVATIONS
61 TO
71 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
SUNDAY NIGHT...CLEAR. LOWS 29 TO 44 HIGHER ELEVATIONS
42 TO
52 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
MONDAY...SUNNY, WARMER. HIGHS 57 TO 72 HIGHER ELEVATIONS
70 TO
80 LOWER ELEVATIONS. PREVAILING NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
MONDAY NIGHT
CLEAR. LOWS 38 TO 53.
TUESDAY
SUNNY. HIGHS 63 TO 78.
TUESDAY NIGHT THROUGH FRIDAY
CLEAR. LOWS 42 TO 57. HIGHS 65 TO
80.
TEMPERATURE / PRECIPITATION
BLUE CANYON 54 41 61 / 40 20 0
=
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