689
FPUS56 KSTO 011123
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
422 AM PDT MON SEP 1 2025
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND TUESDAY.
CAZ013-012300-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
INCLUDING THE CITY OF SHASTA DAM
422 AM PDT MON SEP 1 2025
TODAY
PATCHY SMOKE EARLY IN THE MORNING. SUNNY. HIGHS 81 TO
96 HIGHER ELEVATIONS...92 TO 102 LOWER ELEVATIONS. PREVAILING
NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN THE
AFTERNOON.
TONIGHT
CLEAR. PATCHY SMOKE AFTER MIDNIGHT. LOWS 57 TO
72 HIGHER ELEVATIONS...64 TO 76 LOWER ELEVATIONS. LIGHT WINDS
BECOMING NORTH UP TO 10 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. WARMER. HIGHS 84 TO 99 HIGHER
ELEVATIONS...93 TO 103 LOWER ELEVATIONS. PREVAILING NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 56 TO 71 HIGHER ELEVATIONS...64 TO 74 LOWER
ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE NORTH AFTER MIDNIGHT.
WEDNESDAY...MOSTLY SUNNY. HIGHS 82 TO 97 HIGHER ELEVATIONS
92 TO 102 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH
IN THE MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 72.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 98.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO
70. HIGHS 81 TO 96.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 74 TO 89. LOWS
52 TO 67.
TEMPERATURE / PRECIPITATION
SHASTA DAM 99 73 100 / 0 0 0
=
CAZ014-012300-
BURNEY BASIN / EASTERN SHASTA COUNTY-
INCLUDING THE CITY OF BURNEY
422 AM PDT MON SEP 1 2025
TODAY
PATCHY SMOKE EARLY IN THE MORNING. SUNNY. HIGHS 79 TO
90 HIGHER ELEVATIONS...88 TO 94 LOWER ELEVATIONS. LIGHT WINDS
BECOMING SOUTHWEST UP TO 10 MPH IN THE AFTERNOON. GUSTS UP TO
25 MPH.
TONIGHT
CLEAR. LOWS 50 TO 63. PREVAILING SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY
CLOUDY. HIGHS 82 TO 95. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS. LOWS 49 TO 62.
PREVAILING SOUTHWEST WINDS UP TO 10 MPH IN THE EVENING BECOMING
LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 81 TO 94. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 61.
THURSDAY
MOSTLY SUNNY. HIGHS 81 TO 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 60.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 73 TO 88. LOWS 44 TO
59.
TEMPERATURE / PRECIPITATION
BURNEY 91 52 92 / 0 0 0
=
CAZ015-012300-
NORTHERN SACRAMENTO VALLEY-
INCLUDING THE CITIES OF REDDING AND RED BLUFF
422 AM PDT MON SEP 1 2025
TODAY
SUNNY. HIGHS AROUND 100. LIGHT WINDS BECOMING SOUTH UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 65 TO 75. SOUTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 95 TO 101. NORTH WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. LOWS 66 TO 72. SOUTHEAST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 95 TO 101. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 73.
THURSDAY
MOSTLY SUNNY. HIGHS 94 TO 100.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO
71. HIGHS 90 TO 100.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 86 TO 92. LOWS
59 TO 67.
TEMPERATURE / PRECIPITATION
REDDING 102 67 101 / 0 0 0
RED BLUFF 101 68 99 / 0 0 0
=
CAZ016-012300-
CENTRAL SACRAMENTO VALLEY-
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY
422 AM PDT MON SEP 1 2025
TODAY
SUNNY. HIGHS AROUND 99. LIGHT WINDS BECOMING SOUTHWEST
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 64 TO 74. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 96. SOUTHEAST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 70. SOUTHEAST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 96. LIGHT WINDS BECOMING
SOUTH UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 70.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 95.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO
68. HIGHS 90 TO 95.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS AROUND 86. LOWS
57 TO 64.
TEMPERATURE / PRECIPITATION
CHICO 101 72 98 / 0 0 10
OROVILLE 101 69 98 / 0 0 10
MARYSVILLE/YUBA CITY 102 67 98 / 0 0 10
=
CAZ017-012300-
SOUTHERN SACRAMENTO VALLEY-
INCLUDING THE CITY OF SACRAMENTO
422 AM PDT MON SEP 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM PDT THIS
EVENING...
TODAY
SUNNY. HIGHS 98 TO 104. WEST WINDS UP TO 10 MPH.
TONIGHT
CLEAR. LOWS 63 TO 73. SOUTHWEST WINDS UP TO 10 MPH IN
THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 94 TO 100. SOUTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 68. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 92 TO 98. SOUTHWEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 69.
THURSDAY
MOSTLY SUNNY. HIGHS 90 TO 98.
THURSDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 56 TO 66.
HIGHS 86 TO 96.
TEMPERATURE / PRECIPITATION
SACRAMENTO 103 68 97 / 0 0 10
SAC EXEC AIRPORT 102 66 95 / 0 0 10
=
CAZ018-012300-
CARQUINEZ STRAIT AND DELTA-
INCLUDING THE CITY OF FAIRFIELD/SUISUN
422 AM PDT MON SEP 1 2025
TODAY
SUNNY. HIGHS 94 TO 100. WEST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TONIGHT
CLEAR. LOWS 60 TO 68. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 94. SOUTHWEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 58 TO 64. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
SUNNY. NEAR THE BAY, PARTLY CLOUDY IN THE MORNING
THEN CLEARING. HIGHS 85 TO 91. WEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 63.
THURSDAY
MOSTLY SUNNY. HIGHS 84 TO 90.
THURSDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS AROUND 59.
HIGHS 82 TO 88.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 103 63 93 / 0 0 10
=
CAZ019-012300-
NORTHERN SAN JOAQUIN VALLEY-
INCLUDING THE CITIES OF STOCKTON AND MODESTO
422 AM PDT MON SEP 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM PDT THIS
EVENING...
TODAY
SUNNY. HIGHS 97 TO 104. NORTHWEST WINDS UP TO 10 MPH.
TONIGHT
CLEAR. LOWS 65 TO 75. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 94 TO 100. LIGHT WINDS BECOMING
SOUTH AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 61 TO 69. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 91 TO 97. NORTHWEST WINDS UP TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70.
THURSDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
THURSDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 57 TO 67.
HIGHS 85 TO 95.
TEMPERATURE / PRECIPITATION
STOCKTON 104 66 98 / 0 10 10
MODESTO 103 70 99 / 0 10 10
=
CAZ063-012300-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-
INCLUDING THE CITY OF ALDER SPRINGS
422 AM PDT MON SEP 1 2025
TODAY...SUNNY. HIGHS 77 TO 92 HIGHER ELEVATIONS
94 TO 99 LOWER
ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHEAST IN THE AFTERNOON.
TONIGHT...CLEAR. LOWS 62 TO 76 HIGHER ELEVATIONS
71 TO
79 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH.
TUESDAY...MOSTLY SUNNY. HIGHS 77 TO 92 HIGHER ELEVATIONS
93 TO
99 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. COOLER. LOWS 60 TO 72 HIGHER
ELEVATIONS...68 TO 76 LOWER ELEVATIONS. PREVAILING SOUTH WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY...MOSTLY SUNNY. HIGHS 76 TO 91 HIGHER ELEVATIONS
93 TO 98 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 76.
THURSDAY
MOSTLY SUNNY. HIGHS 79 TO 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 73.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 73 TO 88. LOWS 56 TO
71.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 85 70 84 / 0 0 20
=
CAZ066-012300-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
INCLUDING THE CITY OF PARADISE
422 AM PDT MON SEP 1 2025
TODAY
SUNNY. HIGHS 88 TO 100. PREVAILING EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 67 TO 79. PREVAILING SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 87 TO 99. PREVAILING EAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. LOWS 65 TO 75. PREVAILING SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 86 TO 98. PREVAILING NORTHEAST
WINDS UP TO 10 MPH IN THE MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 76.
THURSDAY
MOSTLY SUNNY. HIGHS 85 TO 97.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO
74. HIGHS 82 TO 97.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 76 TO 90. LOWS
58 TO 70.
TEMPERATURE / PRECIPITATION
PARADISE 94 76 92 / 0 0 10
=
CAZ067-012300-
MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON
422 AM PDT MON SEP 1 2025
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM PDT THIS
EVENING...
TODAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS 92 TO 102.
LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 67 TO 77. LIGHT WINDS.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 89 TO 99.
PREVAILING EAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 87 TO 97. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 96.
THURSDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 57 TO 71.
HIGHS 80 TO 95.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 94 69 92 / 0 0 10
JACKSON 99 72 96 / 0 0 10
=
CAZ068-012300-
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
422 AM PDT MON SEP 1 2025
TODAY...MOSTLY SUNNY. HIGHS 72 TO 87 HIGHER ELEVATIONS
79 TO
93 LOWER ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 56 TO 71. PREVAILING SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS 73 TO
88 HIGHER ELEVATIONS...79 TO 93 LOWER ELEVATIONS. PREVAILING EAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 54 TO 69. PREVAILING SOUTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY...MOSTLY SUNNY. HIGHS 71 TO 86 HIGHER ELEVATIONS
78 TO 93 LOWER ELEVATIONS. LIGHT WINDS BECOMING SOUTHWEST UP TO
10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 69.
THURSDAY
MOSTLY SUNNY. HIGHS 74 TO 89.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 68.
FRIDAY
MOSTLY SUNNY. HIGHS 72 TO 87.
FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS 50 TO 65.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 67 TO 82. LOWS
49 TO 64.
TEMPERATURE / PRECIPITATION
QUINCY 94 52 93 / 0 0 20
CHESTER 89 53 89 / 0 0 20
=
CAZ069-012300-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
422 AM PDT MON SEP 1 2025
TODAY
SUNNY. PATCHY SMOKE LATE IN THE AFTERNOON. HIGHS 72 TO
87 HIGHER ELEVATIONS...86 TO 98 LOWER ELEVATIONS. PREVAILING
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON.
TONIGHT
MOSTLY CLEAR. PATCHY SMOKE. LOWS 51 TO 66 HIGHER
ELEVATIONS...62 TO 76 LOWER ELEVATIONS. PREVAILING SOUTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 85 HIGHER
ELEVATIONS...85 TO 95 LOWER ELEVATIONS. PREVAILING EAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. COOLER. LOWS 48 TO 63 HIGHER ELEVATIONS...60 TO 74 LOWER
ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 69 TO 84 HIGHER ELEVATIONS...83 TO 93 LOWER
ELEVATIONS. PREVAILING EAST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 67.
THURSDAY
MOSTLY SUNNY. HIGHS 73 TO 88.
THURSDAY NIGHT THROUGH SUNDAY
MOSTLY CLEAR. LOWS 49 TO 64.
HIGHS 69 TO 84.
TEMPERATURE / PRECIPITATION
BLUE CANYON 85 69 83 / 0 0 10
=
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