872
FPUS56 KSTO 190632
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
1132 PM PDT MON MAY 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND WEDNESDAY.
CAZ121-191100-
W. SHASTA COUNTY ABOVE 3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 41 TO 51. NORTH WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 67 TO 77. NORTH WINDS AROUND 10 MPH IN
THE MORNING BECOMING LIGHT. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 57. NORTHWEST WINDS UP
TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 80. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST AROUND 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 73 TO 83.
THURSDAY NIGHT
CLEAR. LOWS 54 TO 64.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 73 TO 83. LOWS 53 TO 63.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 50 TO 60.
HIGHS 72 TO 82.
=
CAZ122-191100-
W. SHASTA COUNTY 1000-3000 FT-
INCLUDING THE CITY OF WHISKEYTOWN
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 47 TO 57. NORTHWEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 77 TO 87. NORTHWEST WINDS UP TO
10 MPH IN THE MORNING BECOMING LIGHT.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 79 TO 89. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 68.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 82 TO 92. LOWS 57 TO 67.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 54 TO 64.
HIGHS 81 TO 91.
=
CAZ123-191100-
SHASTA LAKE AREA & 1-5 1000-3000 FT-
INCLUDING THE CITY OF SHASTA LAKE, SIMS
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 45 TO 55. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. NORTH WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 79 TO 89. NORTH WINDS UP TO 10 MPH IN
THE MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
CLEAR. LOWS 53 TO 63. LIGHT WINDS BECOMING
NORTH UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT
CLEAR. LOWS 56 TO 66.
FRIDAY THROUGH SUNDAY NIGHT
CLEAR. HIGHS 81 TO 91. LOWS 55 TO
65.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS 79 TO 89.
TEMPERATURE / PRECIPITATION
SHASTA DAM 56 87 61 90 / 0 0 0 0
=
CAZ124-191100-
SHASTA METRO-
INCLUDING THE CITY OF REDDING, ANDERSON
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 51 TO 57. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 89. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 61. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 64. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS AROUND 96.
THURSDAY NIGHT
CLEAR. LOWS AROUND 64.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS AROUND 94. LOWS 59 TO
66.
TEMPERATURE / PRECIPITATION
REDDING 53 90 57 93 / 0 0 0 0
RED BLUFF 54 90 58 94 / 0 0 0 0
=
CAZ125-191100-
SHASTA COUNTY FOOTHILLS 1000-3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 53. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 79 TO 87. LIGHT WINDS BECOMING NORTHWEST
UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 81 TO 91. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 63. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 86 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 60 TO 66.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 83 TO 93. LOWS 59 TO
66.
=
CAZ126-191100-
E. SHASTA /S. CASCADES ABOVE 3000 FT-
INCLUDING THE CITY OF SHINGLETOWN
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 37 TO 47. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY
SUNNY. HIGHS 66 TO 76. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52. LIGHT WINDS
BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 69 TO 79. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 55. SOUTHWEST WINDS
UP TO 10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 73 TO 83.
THURSDAY NIGHT
CLEAR. LOWS 48 TO 58.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 72 TO 82. LOWS 47 TO 57.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 45 TO 55.
HIGHS 71 TO 81.
=
CAZ127-191100-
BURNEY BASIN-
INCLUDING THE CITY OF BURNEY
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 33 TO 41. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 66 TO 76. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 47. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING
NORTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 51. WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
THURSDAY NIGHT
CLEAR. LOWS 45 TO 55.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 74 TO 84. LOWS 44 TO 54.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 52.
MEMORIAL DAY
SUNNY. HIGHS 71 TO 81.
TEMPERATURE / PRECIPITATION
BURNEY 37 75 43 79 / 0 0 0 0
=
CAZ128-191100-
LASSEN VOLCANIC NP-
INCLUDING THE CITY OF LASSEN NATIONAL PARK
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 31 TO 37. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 55 TO 65. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 43. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 58 TO 68. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 47. WEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 63 TO 73.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 50.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 63 TO 73. LOWS 41 TO 50.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 47.
MEMORIAL DAY
SUNNY. HIGHS 61 TO 71.
=
CAZ129-191100-
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-
INCLUDING THE CITY OF PARADISE
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 51 TO 61. NORTHEAST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65. NORTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP TO
20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 89. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 69. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT
CLEAR. LOWS 62 TO 72.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 81 TO 91. LOWS 60 TO
70.
TEMPERATURE / PRECIPITATION
PARADISE 59 81 62 84 / 0 0 0 0
=
CAZ130-191100-
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-
INCLUDING THE CITY OF MINERAL, QUINCY
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 37 TO 47. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 64 TO 74. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 51. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 67 TO 77. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON. GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 45 TO 55. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS 71 TO 81.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 71 TO 81. LOWS 47 TO 57.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 55.
MEMORIAL DAY
SUNNY. HIGHS 69 TO 79.
TEMPERATURE / PRECIPITATION
QUINCY 35 80 40 83 / 0 0 0 0
CHESTER 35 74 39 77 / 0 0 0 0
=
CAZ131-191100-
N. MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF AUBURN, GRASS VALLEY, COLFAX, NEVADA CITY
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 50 TO 58. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 85. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 51 TO 59. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 78 TO 88. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 54 TO 62. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 82 TO 92.
THURSDAY NIGHT
CLEAR. LOWS 57 TO 65.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 80 TO 90. LOWS 54 TO 64.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
MEMORIAL DAY
SUNNY. HIGHS 79 TO 87.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 52 80 53 81 / 0 0 0 0
JACKSON 56 82 57 86 / 0 0 0 0
=
CAZ132-191100-
SIERRA (YUBA-PLACER) 3000-5000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 44 TO 54. NORTHEAST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 69 TO 79. EAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH IN THE MORNING BECOMING LIGHT.
TUESDAY NIGHT
CLEAR. LOWS 46 TO 56. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 60. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 75 TO 85.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 74 TO 84. LOWS 52 TO 62.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61.
MEMORIAL DAY
SUNNY. HIGHS 73 TO 83.
=
CAZ133-191100-
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 34 TO 44. NORTHEAST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 35 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 59 TO 69. EAST WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
CLEAR. LOWS 37 TO 47. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 62 TO 72. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 41 TO 51. WEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS 66 TO 76.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 54.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 67 TO 77. LOWS 43 TO 53.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 53.
MEMORIAL DAY
SUNNY. HIGHS 66 TO 76.
TEMPERATURE / PRECIPITATION
BLUE CANYON 50 70 52 71 / 0 0 0 0
=
CAZ134-191100-
CENTRAL MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,
COOL, JACKSON
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 56. NORTHEAST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 89. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 59. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT
CLEAR. LOWS AROUND 61.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 81 TO 91. LOWS 56 TO 61.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 60.
MEMORIAL DAY
SUNNY. HIGHS 79 TO 87.
=
CAZ135-191100-
SIERRA 3000-5000 FT-
INCLUDING THE CITY OF POLLOCK PINES
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 46 TO 56. EAST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 69 TO 77. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 47 TO 57. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 72 TO 80. LIGHT WINDS BECOMING
WEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 60. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 76 TO 84.
THURSDAY NIGHT
CLEAR. LOWS 52 TO 62.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 75 TO 84. LOWS 51 TO 61.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61.
MEMORIAL DAY
SUNNY. HIGHS 74 TO 82.
=
CAZ136-191100-
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-
INCLUDING THE CITY OF CARSON PASS
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 33 TO 43. EAST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 57 TO 67. EAST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTHWEST WITH GUSTS
TO AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 36 TO 46. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 60 TO 70. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. WEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
THURSDAY
SUNNY. HIGHS 65 TO 75.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 65 TO 75. LOWS 42 TO 52.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 53.
MEMORIAL DAY
SUNNY. HIGHS 65 TO 75.
=
CAZ137-191100-
SOUTHERN MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF SONORA, ANGELS CAMP
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 51 TO 59. NORTH WINDS AROUND 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. LIGHT WINDS BECOMING WEST
AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 53 TO 61. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING
WEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 57 TO 67.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 83 TO 93. LOWS 56 TO 66.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 62.
MEMORIAL DAY
SUNNY. HIGHS 81 TO 89.
=
CAZ138-191100-
SIERRA (CAL-TUO) 3000-5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 45 TO 55. NORTH WINDS AROUND 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 30 MPH.
TUESDAY
SUNNY. HIGHS 66 TO 76. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 47 TO 57. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. WEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 75 TO 85.
THURSDAY NIGHT
CLEAR. LOWS 53 TO 63.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 75 TO 85. LOWS 53 TO 63.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62.
MEMORIAL DAY
SUNNY. HIGHS 74 TO 84.
=
CAZ139-191100-
SIERRA (CAL-TUO) ABOVE 5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 31 TO 41. EAST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY
SUNNY. HIGHS 55 TO 65. EAST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 35 TO 45. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AROUND 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 59 TO 69. EAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. WEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP TO
20 MPH.
THURSDAY
SUNNY. HIGHS 64 TO 74.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 65 TO 75. LOWS 42 TO 52.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52.
MEMORIAL DAY
SUNNY. HIGHS 65 TO 75.
=
CAZ140-191100-
TEHAMA CO COAST RANGE ABOVE 3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 43 TO 53. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 63 TO 73. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 66 TO 76. LIGHT WINDS BECOMING
EAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 71 TO 81.
THURSDAY NIGHT
CLEAR. LOWS 56 TO 66.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 70 TO 80. LOWS 54 TO 64.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 61.
MEMORIAL DAY
SUNNY. HIGHS 68 TO 78.
=
CAZ141-191100-
W TEHAMA CO FOOTHILLS 1000-3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 53 TO 61. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 66. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 79 TO 89. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 68. SOUTHEAST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 63 TO 71.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 82 TO 92. LOWS 60 TO
70.
=
CAZ142-191100-
N. SAC VALLEY IN TEHAMA COUNTY-
INCLUDING THE CITY OF RED BLUFF
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 53 TO 59. NORTHWEST WINDS AROUND 10 MPH.
GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 86 TO 91. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 62. NORTH WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 65. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 94 TO 99.
THURSDAY NIGHT
CLEAR. LOWS 62 TO 69.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS AROUND 94. LOWS 59 TO
69.
=
CAZ143-191100-
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 46 TO 56. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 65 TO 75. NORTHEAST WINDS AROUND
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE
NORTHWEST UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 72 TO 82.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 68.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 71 TO 81. LOWS 55 TO
65.
=
CAZ144-191100-
CENTRAL GLENN CO & INTERSTATE 5-
INCLUDING THE CITY OF WILLOWS, ORLAND
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 56. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 91. NORTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 58. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 88 TO 94. LIGHT WINDS BECOMING
EAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 60. SOUTHEAST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT
CLEAR. LOWS AROUND 62.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 89 TO 95. LOWS AROUND
60.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 52 72 60 76 / 0 0 0 0
=
CAZ145-191100-
EASTERN GLENN COUNTY-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 55. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 60. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS AROUND 98.
THURSDAY NIGHT
CLEAR. LOWS AROUND 62.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS AROUND 96. LOWS AROUND 60.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 58.
MEMORIAL DAY
SUNNY. HIGHS AROUND 93.
=
CAZ146-191100-
BUTTE COUNTY BELOW 1000 FT-
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 52 TO 59. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 86 TO 93. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 63. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 66. LIGHT WINDS BECOMING
EAST UP TO 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 94 TO 101.
THURSDAY NIGHT
CLEAR. LOWS 61 TO 70.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 88 TO 98. LOWS 58 TO
68.
TEMPERATURE / PRECIPITATION
CHICO 56 91 59 95 / 0 0 0 0
OROVILLE 54 91 57 95 / 0 0 0 0
=
CAZ147-191100-
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 51 TO 60. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 86. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 64. NORTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 66. SOUTH WINDS AROUND
10 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST UP TO
10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 68.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 82 TO 92. LOWS 56 TO
66.
=
CAZ148-191100-
CENTRAL COLUSA COUNTY INCL. I-5-
INCLUDING THE CITY OF WILLIAMS
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 54 TO 60. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 91. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 62. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 88 TO 94. LIGHT WINDS BECOMING EAST UP
TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 64. SOUTH WINDS AROUND
10 MPH IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS 92 TO 98.
THURSDAY NIGHT
CLEAR. LOWS AROUND 62.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 88 TO 97. LOWS 57 TO
62.
=
CAZ149-191100-
EASTERN COLUSA COUNTY-
INCLUDING THE CITY OF COLUSA
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 55. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. NORTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 94. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 59. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS AROUND 98.
THURSDAY NIGHT
CLEAR. LOWS AROUND 61.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS AROUND 95. LOWS 56 TO
61.
=
CAZ150-191100-
SUTTER/YUBA COUNTIES BELOW 1000 FT-
INCLUDING THE CITY OF YUBA CITY, BEALE AFB
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 52 TO 58. NORTH WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 88 TO 93. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 60. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 90 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 62. LIGHT WINDS.
THURSDAY
SUNNY. HIGHS 95 TO 101.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 66.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 89 TO 99. LOWS 55 TO
65.
TEMPERATURE / PRECIPITATION
MARYSVILLE/YUBA CITY 54 91 55 94 / 0 0 0 0
=
CAZ151-191100-
YOLO / SOLANO COUNTY HILLS-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 55 TO 65. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY
SUNNY. HIGHS 80 TO 88. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 65. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING SOUTH
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 66. SOUTHWEST WINDS UP TO
15 MPH.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT
CLEAR. LOWS 55 TO 65.
FRIDAY THROUGH SATURDAY NIGHT
CLEAR. HIGHS 77 TO 87. LOWS
54 TO 64.
SUNDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
SUNDAY NIGHT AND MEMORIAL DAY
CLEAR. LOWS 51 TO 59. HIGHS
77 TO 87.
=
CAZ152-191100-
W. YOLO COUNTY INCLUDING CAPAY/I-505-
INCLUDING THE CITY OF ESPARTO, WINTERS
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 57 TO 63. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS AROUND 89. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 63. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 91. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 64. SOUTHWEST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS AROUND 94.
THURSDAY NIGHT
CLEAR. LOWS 57 TO 63.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 84 TO 94. LOWS 55 TO
63.
=
CAZ153-191100-
C. YOLO/NE SOLANO INCLUDING WOODLAND-
INCLUDING THE CITY OF WOODLAND, DIXON
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 57. NORTH WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 56. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 92. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 57. SOUTHWEST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS 92 TO 98.
THURSDAY NIGHT
CLEAR. LOWS AROUND 57.
FRIDAY AND FRIDAY NIGHT
CLEAR. HIGHS 88 TO 96. LOWS AROUND 56.
SATURDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 82 TO 92. LOWS
AROUND 54.
=
CAZ154-191100-
SAC METRO/W. EL DORADO/AMADOR COUNTY-
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,
FOLSOM
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 56. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 87 TO 93. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 54 TO 60. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 55 TO 61. WEST WINDS UP TO 10 MPH
IN THE EVENING BECOMING LIGHT.
THURSDAY
SUNNY. HIGHS 93 TO 101.
THURSDAY NIGHT
CLEAR. LOWS 54 TO 64.
FRIDAY AND FRIDAY NIGHT
CLEAR. HIGHS 90 TO 98. LOWS 53 TO 63.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 84 TO 94. LOWS 50 TO 59.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 58.
MEMORIAL DAY
SUNNY. HIGHS 85 TO 93.
TEMPERATURE / PRECIPITATION
SACRAMENTO 57 91 58 94 / 0 0 0 0
SAC EXEC AIRPORT 56 91 56 93 / 0 0 0 0
=
CAZ155-191100-
C. SOLANO COUNTY INCLUDING FAIRFIELD-
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 58. NORTH WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 58. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 90. WEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS 10 TO
15 MPH.
THURSDAY
SUNNY. HIGHS 89 TO 95.
THURSDAY NIGHT
CLEAR. LOWS AROUND 56.
FRIDAY AND FRIDAY NIGHT
CLEAR. HIGHS 81 TO 89. LOWS AROUND 55.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 77 TO 83. LOWS AROUND
53.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
SUNDAY NIGHT AND MEMORIAL DAY
CLEAR. LOWS AROUND 52. HIGHS
77 TO 86.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 58 90 56 91 / 0 0 0 0
=
CAZ156-191100-
SW SOLANO COUNTY INCLUDING VALLEJO-
INCLUDING THE CITY OF VALLEJO, BENICIA
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS UP TO 15 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 91. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS UP TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 81 TO 91. WEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 55. SOUTHWEST WINDS 10 TO
15 MPH.
THURSDAY
SUNNY. HIGHS 81 TO 91.
THURSDAY NIGHT
CLEAR. LOWS AROUND 54.
FRIDAY AND FRIDAY NIGHT
CLEAR. HIGHS 73 TO 83. LOWS AROUND 54.
SATURDAY
MOSTLY SUNNY. HIGHS 70 TO 79.
SATURDAY NIGHT
CLEAR. LOWS AROUND 52.
SUNDAY
MOSTLY SUNNY. HIGHS 71 TO 79.
SUNDAY NIGHT AND MEMORIAL DAY
CLEAR. LOWS AROUND 52. HIGHS
72 TO 82.
=
CAZ157-191100-
SACRAMENTO COUNTY DELTA-
INCLUDING THE CITY OF WALNUT GROVE
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 91. NORTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 86 TO 93. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS 10 TO
15 MPH.
THURSDAY
SUNNY. HIGHS 87 TO 96.
THURSDAY NIGHT
CLEAR. LOWS AROUND 56.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 80 TO 90. LOWS AROUND
54.
=
CAZ158-191100-
SAN JOAQUIN COUNTY DELTA-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 55. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS UP TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 90 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
THURSDAY
SUNNY. HIGHS 92 TO 97.
THURSDAY NIGHT
CLEAR. LOWS AROUND 56.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 83 TO 93. LOWS AROUND
54.
=
CAZ159-191100-
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-
INCLUDING THE CITY OF STOCKTON, LODI
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS AROUND 55. NORTHWEST WINDS UP TO 15 MPH.
GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS AROUND 90. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 93. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 58. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS AROUND 97.
THURSDAY NIGHT
CLEAR. LOWS AROUND 58.
FRIDAY AND FRIDAY NIGHT
CLEAR. HIGHS AROUND 95. LOWS 52 TO 58.
SATURDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 87 TO 93. LOWS
52 TO 58.
TEMPERATURE / PRECIPITATION
STOCKTON 53 91 56 94 / 0 0 0 0
MODESTO 56 90 58 95 / 0 0 0 0
=
CAZ160-191100-
TRACY TRIANGLE BELOW 1000 FT-
INCLUDING THE CITY OF TRACY
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 55 TO 62. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 86 TO 91. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 65. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 93. NORTH WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 66. WEST WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS 93 TO 98.
THURSDAY NIGHT
CLEAR. LOWS 57 TO 66.
FRIDAY THROUGH SATURDAY NIGHT
CLEAR. HIGHS 90 TO 96. LOWS
55 TO 65.
SUNDAY
SUNNY. HIGHS AROUND 87.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 59.
MEMORIAL DAY
SUNNY. HIGHS AROUND 88.
=
CAZ161-191100-
NE SAN JOAQUIN VALLEY BELOW 1000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 52 TO 58. NORTHWEST WINDS 10 TO 15 MPH
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 90. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 62. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 88 TO 94. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 64. NORTH WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS 92 TO 98.
THURSDAY NIGHT
CLEAR. LOWS 60 TO 66.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 88 TO 98. LOWS 56 TO
66.
=
CAZ162-191100-
E. DIABLO RANGE ABOVE 1000 FT-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 52 TO 62. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 87. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 65. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 81 TO 91. LIGHT WINDS BECOMING
EAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 66. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT
CLEAR. LOWS 56 TO 66.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 81 TO 91. LOWS 53 TO 63.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59.
MEMORIAL DAY
SUNNY. HIGHS 80 TO 87.
=
CAZ163-191100-
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 55 TO 62. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 90. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 64. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 89 TO 94. NORTHEAST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 65. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
THURSDAY
SUNNY. HIGHS 92 TO 97.
THURSDAY NIGHT
CLEAR. LOWS 58 TO 65.
FRIDAY THROUGH SUNDAY
CLEAR. HIGHS 87 TO 97. LOWS 55 TO 65.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 56.
MEMORIAL DAY
SUNNY. HIGHS AROUND 89.
=
CAZ164-191100-
C. STANISLAUS COUNTY INCLUDING MODESTO-
INCLUDING THE CITY OF MODESTO, TURLOCK
1132 PM PDT MON MAY 18 2026
TONIGHT
CLEAR. LOWS 51 TO 57. NORTHWEST WINDS UP TO 15 MPH.
TUESDAY
SUNNY. HIGHS AROUND 89. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS AROUND 56. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 93. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 59. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY
SUNNY. HIGHS AROUND 97.
THURSDAY NIGHT
CLEAR. LOWS AROUND 60.
FRIDAY THROUGH MEMORIAL DAY
CLEAR. HIGHS 91 TO 96. LOWS 55 TO
60.
=
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