351
FPUS56 KSTO 310922
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
122 AM PST SAT JAN 31 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND SUNDAY.
CAZ013-010000-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
INCLUDING THE CITY OF SHASTA DAM
122 AM PST SAT JAN 31 2026
TODAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 51 TO 66 HIGHER ELEVATIONS...62 TO 68 LOWER
ELEVATIONS. LIGHT WINDS.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 33 TO 48. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 48 TO
63 HIGHER ELEVATIONS...59 TO 67 LOWER ELEVATIONS. LIGHT WINDS.
SUNDAY NIGHT
CLEAR, COLDER. LOWS 30 TO 45. LIGHT WINDS
BECOMING NORTH UP TO 10 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. WARMER. HIGHS 52 TO 67 HIGHER
ELEVATIONS...64 TO 71 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP
TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 49.
TUESDAY
SUNNY, WARMER. HIGHS 57 TO 72.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 35 TO 50. HIGHS
59 TO 74.
WEDNESDAY NIGHT
CLEAR. LOWS 36 TO 51.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 58 TO 73. LOWS
36 TO 51.
TEMPERATURE / PRECIPITATION
SHASTA DAM 65 45 64 / 0 0 10
=
CAZ014-010000-
BURNEY BASIN / EASTERN SHASTA COUNTY-
INCLUDING THE CITY OF BURNEY
122 AM PST SAT JAN 31 2026
TODAY
MOSTLY CLOUDY. HIGHS 53 TO 59. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 28 TO 39. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS 50 TO 60. LIGHT WINDS.
SUNDAY NIGHT
CLEAR. LOWS 25 TO 35. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 52 TO 62. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 25 TO 37.
TUESDAY
SUNNY. HIGHS 57 TO 65.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 29 TO 39. HIGHS
59 TO 69.
WEDNESDAY NIGHT
CLEAR. LOWS 28 TO 40.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 57 TO 68. LOWS
28 TO 40.
TEMPERATURE / PRECIPITATION
BURNEY 56 31 56 / 0 0 0
=
CAZ015-010000-
NORTHERN SACRAMENTO VALLEY-
INCLUDING THE CITIES OF REDDING AND RED BLUFF
122 AM PST SAT JAN 31 2026
TODAY
MOSTLY CLOUDY. HIGHS AROUND 64. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 40 TO 46. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 62 TO 68. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 44. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 64 TO 72. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 47.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 71.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 41 TO 47. HIGHS
68 TO 76.
WEDNESDAY NIGHT
CLEAR. LOWS 42 TO 48.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 65 TO 73. LOWS
42 TO 48.
TEMPERATURE / PRECIPITATION
REDDING 66 40 67 / 0 0 0
RED BLUFF 63 41 66 / 0 0 0
=
CAZ016-010000-
CENTRAL SACRAMENTO VALLEY-
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY
122 AM PST SAT JAN 31 2026
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PST
SATURDAY...
TODAY...AREAS OF FOG
LOCALLY DENSE IN THE MORNING. PATCHY
DENSE FOG EARLY IN THE AFTERNOON. MOSTLY CLOUDY. HIGHS AROUND 62.
LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 40 TO 46. LIGHT WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS AROUND
63. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 61 TO 67. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42.
TUESDAY
MOSTLY SUNNY. HIGHS 61 TO 67.
TUESDAY NIGHT THROUGH FRIDAY
MOSTLY CLEAR. LOWS 41 TO 47.
HIGHS 64 TO 70.
TEMPERATURE / PRECIPITATION
CHICO 62 45 64 / 0 0 0
OROVILLE 61 45 64 / 0 0 0
MARYSVILLE/YUBA CITY 62 42 63 / 0 0 0
=
CAZ017-010000-
SOUTHERN SACRAMENTO VALLEY-
INCLUDING THE CITY OF SACRAMENTO
122 AM PST SAT JAN 31 2026
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PST
SATURDAY...
TODAY...WIDESPREAD FOG
LOCALLY DENSE IN THE MORNING. PATCHY
DENSE FOG EARLY IN THE AFTERNOON. MOSTLY CLOUDY. HIGHS 59 TO 65.
LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 40 TO
46. LIGHT WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS 60 TO
66. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 42. LIGHT WINDS.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
AROUND 62. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 63.
TUESDAY NIGHT
CLEAR. LOWS 40 TO 46.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 63 TO 69.
LOWS 40 TO 47.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 66.
TEMPERATURE / PRECIPITATION
SACRAMENTO 62 42 62 / 0 0 0
SAC EXEC AIRPORT 61 42 62 / 0 0 0
=
CAZ018-010000-
CARQUINEZ STRAIT AND DELTA-
INCLUDING THE CITY OF FAIRFIELD/SUISUN
122 AM PST SAT JAN 31 2026
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PST
SATURDAY...
TODAY...WIDESPREAD FOG
LOCALLY DENSE IN THE MORNING. PATCHY
DENSE FOG EARLY IN THE AFTERNOON. MOSTLY CLOUDY. HIGHS AROUND 61.
NORTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS AROUND 42. LIGHT
WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS AROUND
63. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 43. LIGHT WINDS.
MONDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. PATCHY FOG
IN THE MORNING. HIGHS AROUND 63. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 42.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 63.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
WEDNESDAY
PARTLY CLOUDY. HIGHS AROUND 64.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 44.
THURSDAY
PARTLY CLOUDY. HIGHS AROUND 64.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 46.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 65.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 61 40 63 / 0 0 0
=
CAZ019-010000-
NORTHERN SAN JOAQUIN VALLEY-
INCLUDING THE CITIES OF STOCKTON AND MODESTO
122 AM PST SAT JAN 31 2026
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PST
SATURDAY...
TODAY...WIDESPREAD FOG
LOCALLY DENSE IN THE MORNING. AREAS OF
DENSE FOG...LOCALLY DENSE EARLY IN THE AFTERNOON. MOSTLY CLOUDY.
HIGHS 61 TO 67. LIGHT WINDS.
TONIGHT
MOSTLY CLEAR. PATCHY FOG IN THE EVENING. AREAS OF FOG
AFTER MIDNIGHT. LOWS 42 TO 48. LIGHT WINDS.
SUNDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY. HIGHS AROUND
63. NORTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
40 TO 46. NORTHWEST WINDS UP TO 10 MPH.
MONDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HIGHS 58 TO
64. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 43.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 63.
TUESDAY NIGHT
CLEAR. LOWS 41 TO 47.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND
66. LOWS 41 TO 48.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 65.
TEMPERATURE / PRECIPITATION
STOCKTON 63 42 62 / 0 0 0
MODESTO 63 44 63 / 0 0 0
=
CAZ063-010000-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-
INCLUDING THE CITY OF ALDER SPRINGS
122 AM PST SAT JAN 31 2026
TODAY
MOSTLY CLOUDY. HIGHS 51 TO 66. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 38 TO 50. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 47 TO 62 HIGHER ELEVATIONS...60 TO 65 LOWER
ELEVATIONS. LIGHT WINDS.
SUNDAY NIGHT
CLEAR. LOWS 36 TO 48. PREVAILING NORTHWEST WINDS
UP TO 10 MPH.
MONDAY
MOSTLY SUNNY. WARMER. HIGHS 51 TO 65 HIGHER
ELEVATIONS...64 TO 70 LOWER ELEVATIONS. PREVAILING NORTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50.
TUESDAY
SUNNY, WARMER. HIGHS 56 TO 71.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS
58 TO 73.
WEDNESDAY NIGHT AND THURSDAY
CLEAR. LOWS 42 TO 52. HIGHS 56 TO
71.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 42 TO 52. HIGHS
55 TO 70.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 60 46 58 / 0 0 0
=
CAZ066-010000-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
INCLUDING THE CITY OF PARADISE
122 AM PST SAT JAN 31 2026
TODAY
PARTLY CLOUDY. HIGHS 61 TO 67. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY. LOWS 42 TO 52. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 59 TO 65. LIGHT WINDS.
SUNDAY NIGHT
CLEAR. LOWS 40 TO 48. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS 62 TO 68. PREVAILING NORTHEAST
WINDS UP TO 10 MPH IN THE MORNING BECOMING LIGHT.
MONDAY NIGHT
CLEAR. LOWS 42 TO 50.
TUESDAY
SUNNY. HIGHS 63 TO 71.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS 44 TO 52. HIGHS
65 TO 73.
WEDNESDAY NIGHT
CLEAR. LOWS 44 TO 52.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 62 TO 73. LOWS
44 TO 53.
TEMPERATURE / PRECIPITATION
PARADISE 64 49 62 / 0 0 0
=
CAZ067-010000-
MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON
122 AM PST SAT JAN 31 2026
TODAY
PARTLY CLOUDY. HIGHS 63 TO 71. LIGHT WINDS.
TONIGHT
PARTLY CLOUDY. LOWS 43 TO 51. LIGHT WINDS.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. HIGHS 62 TO 68. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
39 TO 47. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 59 TO 67. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 49.
TUESDAY
SUNNY. HIGHS 62 TO 70.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 42 TO 51. HIGHS
65 TO 73.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 45 TO 53. HIGHS
64 TO 70.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 66 44 64 / 0 0 0
JACKSON 66 45 64 / 0 0 0
=
CAZ068-010000-
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
122 AM PST SAT JAN 31 2026
TODAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 45 TO 60 HIGHER ELEVATIONS...51 TO 64 LOWER
ELEVATIONS. LIGHT WINDS.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 30 TO 45. LIGHT WINDS.
SUNDAY
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS 42 TO 57 HIGHER ELEVATIONS...49 TO 61 LOWER
ELEVATIONS. LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
CLEAR, COLDER. LOWS 27 TO 42. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 45 TO 60 HIGHER
ELEVATIONS...51 TO 64 LOWER ELEVATIONS. LIGHT WINDS.
MONDAY NIGHT
CLEAR. LOWS 30 TO 45.
TUESDAY
SUNNY. HIGHS 51 TO 66.
TUESDAY NIGHT
CLEAR. LOWS 31 TO 46.
WEDNESDAY
MOSTLY SUNNY. HIGHS 53 TO 68.
WEDNESDAY NIGHT
CLEAR. LOWS 31 TO 46.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 52 TO 67. LOWS
32 TO 47.
TEMPERATURE / PRECIPITATION
QUINCY 60 32 60 / 0 0 0
CHESTER 56 27 55 / 0 0 0
=
CAZ069-010000-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
122 AM PST SAT JAN 31 2026
TODAY...PARTLY CLOUDY. HIGHS 49 TO 64 HIGHER ELEVATIONS
61 TO
71 LOWER ELEVATIONS. PREVAILING EAST WINDS UP TO 10 MPH IN THE
MORNING BECOMING LIGHT.
TONIGHT...MOSTLY CLEAR. LOWS 29 TO 44 HIGHER ELEVATIONS
40 TO
52 LOWER ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH.
SUNDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 45 TO 60 HIGHER ELEVATIONS...57 TO 67 LOWER
ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
COLDER. LOWS 27 TO 42 HIGHER ELEVATIONS...38 TO 50 LOWER
ELEVATIONS. LIGHT WINDS.
MONDAY...SUNNY. HIGHS 47 TO 62 HIGHER ELEVATIONS
60 TO
68 LOWER ELEVATIONS. PREVAILING NORTHEAST WINDS UP TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS 31 TO 46.
TUESDAY
SUNNY. HIGHS 53 TO 68.
TUESDAY NIGHT THROUGH THURSDAY
CLEAR. LOWS 34 TO 49. HIGHS
55 TO 70.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLEAR. LOWS 35 TO 50. HIGHS
51 TO 66.
TEMPERATURE / PRECIPITATION
BLUE CANYON 61 45 57 / 0 0 0
=
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