751
FPUS56 KSTO 180301
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
800 PM PDT MON AUG 17 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND WEDNESDAY.
CAZ121-181100-
W. SHASTA COUNTY ABOVE 3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. HAZE AFTER MIDNIGHT. LOWS 56 TO 66.
SOUTH WINDS UP TO 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 81 TO 91. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 90. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 68. SOUTH WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 66.
FRIDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 52 TO 62. HIGHS 75 TO
85.
=
CAZ122-181100-
W. SHASTA COUNTY 1000-3000 FT-
INCLUDING THE CITY OF WHISKEYTOWN
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. HAZE AFTER MIDNIGHT. LOWS 59 TO 69.
SOUTH WINDS UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 89 TO 99. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 99. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72. SOUTH WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 87 TO 97.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 93.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 57 TO 67. HIGHS 84 TO
94.
=
CAZ123-181100-
SHASTA LAKE AREA & 1-5 1000-3000 FT-
INCLUDING THE CITY OF SHASTA LAKE, SIMS
800 PM PDT MON AUG 17 2026
TONIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS
58 TO 68. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 89 TO 99. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 89 TO 99. LIGHT WINDS BECOMING SOUTH UP
TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70. SOUTH WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 96.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 93.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 55 TO 65. HIGHS 84 TO
94.
TEMPERATURE / PRECIPITATION
SHASTA DAM 69 99 71 98 / 0 0 0 0
=
CAZ124-181100-
SHASTA METRO-
INCLUDING THE CITY OF REDDING, ANDERSON
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 63 TO 70. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 99. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 99. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 72. SOUTH WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 97.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 70.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 94.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 60 TO 68. HIGHS AROUND
94.
TEMPERATURE / PRECIPITATION
REDDING 63 100 64 99 / 0 0 0 0
RED BLUFF 65 99 66 98 / 0 0 0 0
=
CAZ125-181100-
SHASTA COUNTY FOOTHILLS 1000-3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 61 TO 67. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 91 TO 99. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 63 TO 69. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 91 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 69. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 68.
FRIDAY
MOSTLY SUNNY. HIGHS 85 TO 93.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 57 TO 65. HIGHS 85 TO
95.
=
CAZ126-181100-
E. SHASTA /S. CASCADES ABOVE 3000 FT-
INCLUDING THE CITY OF SHINGLETOWN
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 49 TO 59. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 79 TO 89. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62.
FRIDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 47 TO 57. HIGHS 74 TO
84.
=
CAZ127-181100-
BURNEY BASIN-
INCLUDING THE CITY OF BURNEY
800 PM PDT MON AUG 17 2026
TONIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS
46 TO 56. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN
THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 80 TO 90. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 49 TO 59. WEST WINDS UP TO 10 MPH IN
THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING WEST UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 80 TO 90.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 59.
FRIDAY
MOSTLY SUNNY. HIGHS 76 TO 86.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 45 TO 55. HIGHS 76 TO
86.
TEMPERATURE / PRECIPITATION
BURNEY 49 90 51 90 / 0 0 0 0
=
CAZ128-181100-
LASSEN VOLCANIC NP-
INCLUDING THE CITY OF LASSEN NATIONAL PARK
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 46 TO 52. SOUTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 69 TO 79. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 57. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 71 TO 81. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 57. SOUTHWEST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 70 TO 80.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 57.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 65 TO 75. LOWS
46 TO 56.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 65 TO 75. LOWS 44 TO 52.
=
CAZ129-181100-
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-
INCLUDING THE CITY OF PARADISE
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 62 TO 72. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 86 TO 96. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 75. LIGHT WINDS
BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 88 TO 96. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 75. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 65 TO 73.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 91.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 59 TO 69. HIGHS 82 TO
92.
TEMPERATURE / PRECIPITATION
PARADISE 68 90 72 90 / 0 0 0 0
=
CAZ130-181100-
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-
INCLUDING THE CITY OF MINERAL, QUINCY
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 50 TO 60. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 77 TO 87. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 78 TO 88. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 64. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 77 TO 87.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 64.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 73 TO 83. LOWS
52 TO 62.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 73 TO 83. LOWS 50 TO 60.
TEMPERATURE / PRECIPITATION
QUINCY 46 93 48 95 / 0 0 0 0
CHESTER 47 89 49 91 / 0 0 0 0
=
CAZ131-181100-
N. MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF AUBURN, GRASS VALLEY, COLFAX, NEVADA CITY
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 61 TO 67. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 69. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 70. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 69.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 85 TO 91. LOWS
60 TO 69.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 84 TO 91. LOWS 60 TO 67.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 62 89 63 90 / 0 0 0 0
JACKSON 63 91 65 93 / 0 0 0 0
=
CAZ132-181100-
SIERRA (YUBA-PLACER) 3000-5000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 56 TO 66. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 82 TO 92. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 81 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 70.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 78 TO 88. LOWS
58 TO 68.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 77 TO 87. LOWS 57 TO 67.
=
CAZ133-181100-
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 49 TO 59. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 72 TO 82. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
GUSTS UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 74 TO 84. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH WITH GUSTS TO
AROUND 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 73 TO 83.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 62.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
51 TO 61.
SATURDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 49 TO 59. HIGHS
69 TO 79.
TEMPERATURE / PRECIPITATION
BLUE CANYON 62 81 66 82 / 0 0 0 0
=
CAZ134-181100-
CENTRAL MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,
COOL, JACKSON
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 61 TO 69. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 86 TO 94. LIGHT WINDS.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 69. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 71. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 62 TO 70.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 85 TO 91. LOWS
60 TO 70.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 83 TO 92. LOWS 60 TO 69.
=
CAZ135-181100-
SIERRA 3000-5000 FT-
INCLUDING THE CITY OF POLLOCK PINES
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 57 TO 67. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 82 TO 90. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 69. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 84 TO 92. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 71. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 70.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 78 TO 88. LOWS
59 TO 69.
SATURDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 58 TO 68. HIGHS
78 TO 88.
=
CAZ136-181100-
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-
INCLUDING THE CITY OF CARSON PASS
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLOUDY. LOWS 49 TO 59. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 71 TO 81. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 62. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 83. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND 20 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. WEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. GUSTS UP TO
20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 72 TO 82.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 63.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
52 TO 62.
SATURDAY NIGHT
CLEAR. LOWS 50 TO 60.
SUNDAY
MOSTLY SUNNY. HIGHS 68 TO 78.
SUNDAY NIGHT AND MONDAY
CLEAR. LOWS 49 TO 59. HIGHS 68 TO 78.
=
CAZ137-181100-
SOUTHERN MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF SONORA, ANGELS CAMP
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 61 TO 71. NORTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 94. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 73. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 96. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 74. WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 89 TO 97.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 86 TO 94. LOWS
62 TO 72.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 85 TO 93. LOWS 61 TO 71.
=
CAZ138-181100-
SIERRA (CAL-TUO) 3000-5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 60 TO 70. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 81 TO 91. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 62 TO 72. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 83 TO 93. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73. LIGHT WINDS.
THURSDAY
PARTLY CLOUDY. HIGHS 83 TO 93.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 80 TO 90. LOWS
61 TO 71.
SATURDAY THROUGH MONDAY
CLEAR. HIGHS 79 TO 89. LOWS 60 TO 70.
=
CAZ139-181100-
SIERRA (CAL-TUO) ABOVE 5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLOUDY. LOWS 50 TO 60. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 72 TO 82. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 62. WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 73 TO 83. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. WEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
THURSDAY
PARTLY CLOUDY. HIGHS 73 TO 83.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 63.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
52 TO 62.
SATURDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 50 TO 60. HIGHS
68 TO 78.
=
CAZ140-181100-
TEHAMA CO COAST RANGE ABOVE 3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 57 TO 67. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 85. LIGHT WINDS BECOMING
EAST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70. WEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 76 TO 86. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 68. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 66.
FRIDAY THROUGH MONDAY
CLEAR. HIGHS 70 TO 80. LOWS 53 TO 63.
=
CAZ141-181100-
W TEHAMA CO FOOTHILLS 1000-3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 67 TO 73. SOUTH WINDS UP TO 10 MPH
IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 88 TO 98. LIGHT WINDS BECOMING
EAST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 69 TO 75. SOUTH WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 98. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 68 TO 74. SOUTHEAST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 95.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 66 TO 72.
FRIDAY THROUGH MONDAY
CLEAR. HIGHS 83 TO 93. LOWS 61 TO 71.
=
CAZ142-181100-
N. SAC VALLEY IN TEHAMA COUNTY-
INCLUDING THE CITY OF RED BLUFF
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 64 TO 70. SOUTH WINDS UP TO 10 MPH
IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 97. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 72. SOUTH WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 97. LIGHT WINDS BECOMING SOUTH
UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 65 TO 71. SOUTHEAST WINDS
UP TO 10 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 95.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 67.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 61 TO 67. HIGHS AROUND
92.
=
CAZ143-181100-
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 59 TO 69. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 76 TO 86. LIGHT WINDS BECOMING
SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72. WEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 76 TO 86. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 71. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 68.
FRIDAY
MOSTLY SUNNY. HIGHS 70 TO 80.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 54 TO 64. HIGHS 71 TO
81.
=
CAZ144-181100-
CENTRAL GLENN CO & INTERSTATE 5-
INCLUDING THE CITY OF WILLOWS, ORLAND
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 62 TO 68. SOUTH WINDS UP TO 10 MPH
IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 69. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 94. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 68. SOUTHEAST WINDS
AROUND 10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 65.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 60 TO 66. HIGHS AROUND
89.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 63 82 66 83 / 0 0 0 0
=
CAZ145-181100-
EASTERN GLENN COUNTY-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 62. SOUTHEAST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 63. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 94. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 63. SOUTHEAST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 63.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS AROUND 61. HIGHS
AROUND 90.
=
CAZ146-181100-
BUTTE COUNTY BELOW 1000 FT-
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 61 TO 69. SOUTHEAST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 92 TO 98. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 71. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 95. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 71. SOUTHEAST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 62 TO 70.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 60 TO 67. HIGHS AROUND
91.
TEMPERATURE / PRECIPITATION
CHICO 68 97 70 97 / 0 0 0 0
OROVILLE 65 96 66 97 / 0 0 0 0
=
CAZ147-181100-
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 62 TO 72. SOUTH WINDS AROUND 10 MPH
SHIFTING TO THE NORTHWEST UP TO 10 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 86 TO 96. LIGHT WINDS BECOMING
EAST AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 74. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 87 TO 97. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 73. SOUTH WINDS
AROUND 10 MPH SHIFTING TO THE WEST UP TO 10 MPH AFTER MIDNIGHT.
GUSTS UP TO 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 96.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 61 TO 71.
FRIDAY
MOSTLY SUNNY. HIGHS 82 TO 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 58 TO 68. HIGHS 81 TO
91.
=
CAZ148-181100-
CENTRAL COLUSA COUNTY INCL. I-5-
INCLUDING THE CITY OF WILLIAMS
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 61 TO 67. SOUTH WINDS UP TO 10 MPH
IN THE EVENING BECOMING LIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 93. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 69. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 94. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 67. SOUTH WINDS UP TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 61 TO 67.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 59 TO 64. HIGHS AROUND
89.
=
CAZ149-181100-
EASTERN COLUSA COUNTY-
INCLUDING THE CITY OF COLUSA
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 61. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 63. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 62. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 62.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS AROUND 60. HIGHS
AROUND 90.
=
CAZ150-181100-
SUTTER/YUBA COUNTIES BELOW 1000 FT-
INCLUDING THE CITY OF YUBA CITY, BEALE AFB
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 58 TO 66. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 67. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 95. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 68. SOUTH WINDS UP TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 68.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 57 TO 66. HIGHS 87 TO
93.
TEMPERATURE / PRECIPITATION
MARYSVILLE/YUBA CITY 61 96 63 96 / 0 0 0 0
=
CAZ151-181100-
YOLO / SOLANO COUNTY HILLS-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 59 TO 69. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 84 TO 94. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 85 TO 95. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON. GUSTS UP TO
20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 70. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 82 TO 92.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 70.
FRIDAY
MOSTLY SUNNY. HIGHS 80 TO 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 58 TO 68. HIGHS 79 TO
89.
=
CAZ152-181100-
W. YOLO COUNTY INCLUDING CAPAY/I-505-
INCLUDING THE CITY OF ESPARTO, WINTERS
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 58 TO 66. SOUTHWEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 96. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 69. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 96. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 69. SOUTHWEST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 94.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 69.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 57 TO 66. HIGHS AROUND
91.
=
CAZ153-181100-
C. YOLO/NE SOLANO INCLUDING WOODLAND-
INCLUDING THE CITY OF WOODLAND, DIXON
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 59. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 91 TO 97. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 97. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 88 TO 95.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
FRIDAY
MOSTLY SUNNY. HIGHS 87 TO 94.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS AROUND 59. HIGHS 84 TO
94.
=
CAZ154-181100-
SAC METRO/W. EL DORADO/AMADOR COUNTY-
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,
FOLSOM
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 56 TO 64. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 66. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 92 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 66. SOUTH WINDS UP TO
10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 90 TO 96.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 66.
FRIDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 57 TO 63. HIGHS 86 TO
94.
TEMPERATURE / PRECIPITATION
SACRAMENTO 61 96 63 96 / 0 0 0 0
SAC EXEC AIRPORT 59 95 61 95 / 0 0 0 0
=
CAZ155-181100-
C. SOLANO COUNTY INCLUDING FAIRFIELD-
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 59. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 86 TO 94. SOUTHWEST WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH DECREASING TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 86 TO 94. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 61.
FRIDAY
MOSTLY SUNNY. HIGHS 82 TO 88.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
CLEAR. LOWS AROUND 60.
HIGHS 82 TO 89.
SUNDAY
MOSTLY SUNNY. HIGHS 84 TO 90.
SUNDAY NIGHT
CLEAR. LOWS AROUND 59.
MONDAY
MOSTLY SUNNY. HIGHS 80 TO 86.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 58 91 60 91 / 0 0 0 0
=
CAZ156-181100-
SW SOLANO COUNTY INCLUDING VALLEJO-
INCLUDING THE CITY OF VALLEJO, BENICIA
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 58. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
77 TO 87. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 59. SOUTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
78 TO 88. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 59. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 75 TO 85.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
FRIDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
FRIDAY NIGHT
CLEAR. LOWS AROUND 58.
SATURDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
SATURDAY NIGHT
CLEAR. LOWS AROUND 58.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
SUNDAY NIGHT
CLEAR. LOWS AROUND 58.
MONDAY
MOSTLY SUNNY. HIGHS 71 TO 81.
=
CAZ157-181100-
SACRAMENTO COUNTY DELTA-
INCLUDING THE CITY OF WALNUT GROVE
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 56 TO 61. WEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 83 TO 92. WEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 63. WEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 83 TO 92. WEST WINDS AROUND
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 63. SOUTHWEST WINDS
10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 83 TO 89.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 88.
FRIDAY NIGHT THROUGH SUNDAY NIGHT
CLEAR. LOWS AROUND 59. HIGHS
81 TO 90.
MONDAY
MOSTLY SUNNY. HIGHS 81 TO 86.
=
CAZ158-181100-
SAN JOAQUIN COUNTY DELTA-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS AROUND 59. WEST WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 87 TO 95. WEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 88 TO 95. WEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61. WEST WINDS 10 TO
15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 86 TO 92.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 61.
FRIDAY
MOSTLY SUNNY. HIGHS 85 TO 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS AROUND 60. HIGHS 83 TO
93.
=
CAZ159-181100-
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-
INCLUDING THE CITY OF STOCKTON, LODI
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 56 TO 62. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 93. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 65. NORTHWEST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 92.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 65.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 90.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS AROUND 60. HIGHS
AROUND 90.
TEMPERATURE / PRECIPITATION
STOCKTON 60 95 61 96 / 0 0 0 0
MODESTO 64 95 65 96 / 0 0 0 0
=
CAZ160-181100-
TRACY TRIANGLE BELOW 1000 FT-
INCLUDING THE CITY OF TRACY
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 57 TO 65. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 92. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 68. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. NORTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 68. WEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 91.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 67.
FRIDAY THROUGH MONDAY
CLEAR. HIGHS AROUND 89. LOWS 58 TO 67.
=
CAZ161-181100-
NE SAN JOAQUIN VALLEY BELOW 1000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 60 TO 68. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 93. NORTHWEST WINDS AROUND
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 70. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 95. LIGHT WINDS BECOMING
WEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 71. NORTHWEST WINDS
AROUND 10 MPH SHIFTING TO THE NORTH UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 94.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 63 TO 71.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 92.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 61 TO 69. HIGHS AROUND
91.
=
CAZ162-181100-
E. DIABLO RANGE ABOVE 1000 FT-
800 PM PDT MON AUG 17 2026
TONIGHT
MOSTLY CLEAR. LOWS 60 TO 70. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS
84 TO 94. LIGHT WINDS BECOMING NORTHEAST AROUND 10 MPH IN THE
AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 73. WEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 86 TO 96. LIGHT WINDS BECOMING
NORTH AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 74. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 85 TO 95.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 72.
FRIDAY THROUGH MONDAY
CLEAR. HIGHS 81 TO 91. LOWS 60 TO 70.
=
CAZ163-181100-
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 59 TO 65. NORTHWEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 90 TO 96. NORTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 62 TO 68. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 92 TO 98. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 69. NORTHWEST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 91 TO 97.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 67.
FRIDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 60 TO 66. HIGHS 87 TO
94.
=
CAZ164-181100-
C. STANISLAUS COUNTY INCLUDING MODESTO-
INCLUDING THE CITY OF MODESTO, TURLOCK
800 PM PDT MON AUG 17 2026
TONIGHT
PARTLY CLOUDY. LOWS 58 TO 64. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 92. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. NORTHWEST WINDS
AROUND 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 61 TO 66. NORTHWEST WINDS
UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 93.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 91.
FRIDAY NIGHT THROUGH MONDAY
CLEAR. LOWS 59 TO 64. HIGHS AROUND
91.
=
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