113
FPUS56 KSTO 010530
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
1030 PM PDT SUN AUG 31 2025
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, LABOR DAY, MONDAY NIGHT, AND TUESDAY.
CAZ013-011100-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
INCLUDING THE CITY OF SHASTA DAM
1030 PM PDT SUN AUG 31 2025
TONIGHT
MOSTLY CLEAR. PATCHY SMOKE AFTER MIDNIGHT. LOWS 53 TO
68 HIGHER ELEVATIONS...61 TO 72 LOWER ELEVATIONS. PREVAILING
SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT.
LABOR DAY
PATCHY SMOKE IN THE MORNING. SUNNY. HIGHS 81 TO
96 HIGHER ELEVATIONS...93 TO 102 LOWER ELEVATIONS. PREVAILING
NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN THE
AFTERNOON.
MONDAY NIGHT
CLEAR. PATCHY SMOKE AFTER MIDNIGHT. LOWS 57 TO
72 HIGHER ELEVATIONS...64 TO 76 LOWER ELEVATIONS. PREVAILING
SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT.
TUESDAY...SUNNY. HIGHS 85 TO 100 HIGHER ELEVATIONS
94 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 55 TO 70 HIGHER ELEVATIONS...63 TO 73 LOWER
ELEVATIONS. PREVAILING SOUTH WINDS UP TO 10 MPH IN THE EVENING
BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 83 TO 98.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 71.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 98.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 70.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 77 TO 92. LOWS 53 TO
68.
TEMPERATURE / PRECIPITATION
SHASTA DAM 70 100 73 101 / 0 0 0 0
=
CAZ014-011100-
BURNEY BASIN / EASTERN SHASTA COUNTY-
INCLUDING THE CITY OF BURNEY
1030 PM PDT SUN AUG 31 2025
TONIGHT
MOSTLY CLEAR. PATCHY SMOKE LATE IN THE NIGHT. LOWS
47 TO 59. PREVAILING SOUTHWEST WINDS UP TO 10 MPH IN THE EVENING
BECOMING LIGHT. GUSTS UP TO 25 MPH.
LABOR DAY
SUNNY. HIGHS 81 TO 94. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
MONDAY NIGHT
CLEAR. LOWS 50 TO 62. PREVAILING SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING
LIGHT.
TUESDAY...MOSTLY SUNNY. HIGHS 81 TO 92 HIGHER ELEVATIONS
90 TO
96 LOWER ELEVATIONS. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS. LOWS 48 TO 61.
PREVAILING SOUTHWEST WINDS UP TO 10 MPH IN THE EVENING BECOMING
LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 92.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 61.
THURSDAY
MOSTLY SUNNY. HIGHS 82 TO 93.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO
61. HIGHS 79 TO 93.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 73 TO 87. LOWS
42 TO 57.
TEMPERATURE / PRECIPITATION
BURNEY 49 91 53 93 / 0 0 0 0
=
CAZ015-011100-
NORTHERN SACRAMENTO VALLEY-
INCLUDING THE CITIES OF REDDING AND RED BLUFF
1030 PM PDT SUN AUG 31 2025
TONIGHT
MOSTLY CLEAR. LOWS 62 TO 72. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
LABOR DAY
SUNNY. HIGHS AROUND 100. LIGHT WINDS BECOMING SOUTH
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 66 TO 76. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 96 TO 102. NORTH WINDS UP TO
10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 72. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 94 TO 100.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72.
THURSDAY
MOSTLY SUNNY. HIGHS 94 TO 100.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 71.
FRIDAY THROUGH SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 88 TO 98.
LOWS 60 TO 70.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 88.
TEMPERATURE / PRECIPITATION
REDDING 62 102 67 101 / 0 0 0 0
RED BLUFF 64 101 69 99 / 0 0 0 0
=
CAZ016-011100-
CENTRAL SACRAMENTO VALLEY-
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY
1030 PM PDT SUN AUG 31 2025
TONIGHT
CLEAR. LOWS 60 TO 70. SOUTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
LABOR DAY
SUNNY. HIGHS AROUND 99. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE
AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 64 TO 73. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 96. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 69. SOUTHEAST WINDS UP
TO 10 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 69.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 67.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS AROUND 89. LOWS
57 TO 67.
TEMPERATURE / PRECIPITATION
CHICO 69 100 72 97 / 0 0 0 0
OROVILLE 67 101 70 96 / 0 0 0 0
MARYSVILLE/YUBA CITY 64 102 67 97 / 0 0 0 0
=
CAZ017-011100-
SOUTHERN SACRAMENTO VALLEY-
INCLUDING THE CITY OF SACRAMENTO
1030 PM PDT SUN AUG 31 2025
..HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY
TONIGHT
CLEAR. LOWS 61 TO 71. SOUTH WINDS UP TO 10 MPH. GUSTS
UP TO 20 MPH IN THE EVENING.
LABOR DAY
SUNNY. HIGHS 98 TO 104. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
CLEAR. LOWS 62 TO 72. SOUTHWEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 93 TO 99. SOUTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 60 TO 68. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 67.
THURSDAY THROUGH FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 88 TO 98.
LOWS 57 TO 67.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 84 TO 91. LOWS
56 TO 63.
TEMPERATURE / PRECIPITATION
SACRAMENTO 66 103 67 96 / 0 0 0 0
SAC EXEC AIRPORT 64 102 64 95 / 0 0 0 0
=
CAZ018-011100-
CARQUINEZ STRAIT AND DELTA-
INCLUDING THE CITY OF FAIRFIELD/SUISUN
1030 PM PDT SUN AUG 31 2025
TONIGHT
CLEAR. LOWS 61 TO 67. WEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
LABOR DAY
SUNNY. HIGHS 93 TO 99. WEST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
MONDAY NIGHT
CLEAR. LOWS 60 TO 66. WEST WINDS 10 TO 15 MPH.
TUESDAY...MOSTLY SUNNY. HIGHS 87 TO 93
EXCEPT 81 TO 87 NEAR
THE BAY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
SUNNY. HIGHS 85 TO 91.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 59.
THURSDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 82 TO 88. LOWS
AROUND 59.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 63 102 62 93 / 0 0 0 0
=
CAZ019-011100-
NORTHERN SAN JOAQUIN VALLEY-
INCLUDING THE CITIES OF STOCKTON AND MODESTO
1030 PM PDT SUN AUG 31 2025
..HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY
TONIGHT
CLEAR. LOWS 64 TO 74. NORTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE EVENING.
LABOR DAY
SUNNY. HIGHS 96 TO 103. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
CLEAR. LOWS 64 TO 74. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 92 TO 100. WEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 60 TO 68. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 90 TO 96.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69.
THURSDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 86 TO 96. LOWS
58 TO 68.
TEMPERATURE / PRECIPITATION
STOCKTON 66 103 65 98 / 0 0 0 10
MODESTO 69 102 70 100 / 0 0 0 10
=
CAZ063-011100-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-
INCLUDING THE CITY OF ALDER SPRINGS
1030 PM PDT SUN AUG 31 2025
TONIGHT...MOSTLY CLEAR. LOWS 57 TO 71 HIGHER ELEVATIONS
66 TO
74 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH.
LABOR DAY...SUNNY. HIGHS 77 TO 92 HIGHER ELEVATIONS
94 TO
100 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH SHIFTING
TO THE SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT...CLEAR. LOWS 62 TO 76 HIGHER ELEVATIONS
71 TO
79 LOWER ELEVATIONS. PREVAILING SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY...MOSTLY SUNNY. HIGHS 78 TO 93 HIGHER ELEVATIONS
94 TO
99 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. COOLER. LOWS 59 TO 71 HIGHER
ELEVATIONS...68 TO 76 LOWER ELEVATIONS. PREVAILING SOUTH WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 94.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 75.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 93.
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 65 85 68 84 / 0 0 0 10
=
CAZ066-011100-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
INCLUDING THE CITY OF PARADISE
1030 PM PDT SUN AUG 31 2025
TONIGHT
MOSTLY CLEAR. LOWS 64 TO 76. PREVAILING SOUTHEAST
WINDS UP TO 10 MPH.
LABOR DAY
SUNNY. HIGHS 89 TO 101. PREVAILING EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 67 TO 79. PREVAILING SOUTH WINDS UP
TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.
HIGHS 86 TO 100. PREVAILING EAST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. LOWS 64 TO 74. PREVAILING SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 85 TO 97.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 75.
THURSDAY
MOSTLY SUNNY. HIGHS 85 TO 97.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 73.
FRIDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 79 TO 94. LOWS 58 TO
73.
TEMPERATURE / PRECIPITATION
PARADISE 74 94 75 90 / 0 0 0 0
=
CAZ067-011100-
MOTHERLODE-
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON
1030 PM PDT SUN AUG 31 2025
..HEAT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT MONDAY
TONIGHT
CLEAR. LOWS 66 TO 76. PREVAILING WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
LABOR DAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS 92 TO
102. LIGHT WINDS BECOMING SOUTHWEST UP TO 10 MPH IN THE
AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS 67 TO 75. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 98. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 86 TO 96.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73.
THURSDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 80 TO 95. LOWS
58 TO 73.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 67 94 68 91 / 0 0 0 0
JACKSON 70 99 70 94 / 0 0 0 10
=
CAZ068-011100-
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
1030 PM PDT SUN AUG 31 2025
TONIGHT
MOSTLY CLEAR. LOWS 54 TO 69. PREVAILING SOUTH WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
LABOR DAY...SUNNY. HIGHS 72 TO 87 HIGHER ELEVATIONS
80 TO
94 LOWER ELEVATIONS. PREVAILING SOUTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
MONDAY NIGHT
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 BECOMING PARTLY
CLOUDY. HIGHS 73 TO 88 HIGHER ELEVATIONS...79 TO 94 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 52 TO 67. PREVAILING SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 74 TO 89.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 69.
THURSDAY
MOSTLY SUNNY. HIGHS 75 TO 90.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO
66. HIGHS 74 TO 89.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 68 TO 83. LOWS
49 TO 64.
TEMPERATURE / PRECIPITATION
QUINCY 49 95 52 93 / 0 0 0 10
CHESTER 49 89 52 90 / 0 0 0 10
=
CAZ069-011100-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
1030 PM PDT SUN AUG 31 2025
TONIGHT
CLEAR. PATCHY SMOKE LATE IN THE NIGHT. LOWS 49 TO
64 HIGHER ELEVATIONS...60 TO 75 LOWER ELEVATIONS. PREVAILING WEST
WINDS UP TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
LABOR DAY
SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS 72 TO
87 HIGHER ELEVATIONS...87 TO 97 LOWER ELEVATIONS. PREVAILING
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. PATCHY SMOKE. LOWS 51 TO 66 HIGHER
ELEVATIONS...61 TO 76 LOWER ELEVATIONS. PREVAILING WEST WINDS UP
TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
PARTLY 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 69 TO 84 HIGHER
ELEVATIONS...84 TO 94 LOWER ELEVATIONS. PREVAILING EAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. COOLER. LOWS 48 TO 63 HIGHER ELEVATIONS...58 TO 73 LOWER
ELEVATIONS. PREVAILING SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO
THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 88.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 67.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 73 TO 88. LOWS
52 TO 67.
FRIDAY NIGHT
PARTLY CLOUDY. COOLER. LOWS 49 TO 64.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 67 TO 82. LOWS
48 TO 63.
TEMPERATURE / PRECIPITATION
BLUE CANYON 66 85 68 83 / 0 0 0 10
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