777
FPUS56 KSTO 181501
ZFPSTO
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
800 AM PDT MON MAY 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND TUESDAY.
CAZ121-182300-
W. SHASTA COUNTY ABOVE 3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 62 TO 72. NORTHEAST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
CLEAR. LOWS 42 TO 52. NORTH WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 67 TO 77. NORTH WINDS AROUND 10 MPH
SHIFTING TO THE EAST UP TO 10 MPH IN THE AFTERNOON. GUSTS UP TO
20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58. NORTHWEST WINDS UP
TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 71 TO 81. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 51 TO 61.
THURSDAY
SUNNY. HIGHS 75 TO 85.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 53 TO 63. HIGHS 75 TO
85.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 62.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 73 TO 83. LOWS 51 TO 61.
=
CAZ122-182300-
W. SHASTA COUNTY 1000-3000 FT-
INCLUDING THE CITY OF WHISKEYTOWN
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 71 TO 81. NORTHEAST WINDS AROUND
10 MPH WITH GUSTS TO AROUND 25 MPH.
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 SHIFTING TO THE EAST IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 53 TO 63. LIGHT WINDS BECOMING
NORTHWEST AROUND 10 MPH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS 81 TO 91. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 66.
THURSDAY
SUNNY. HIGHS 85 TO 95.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 58 TO 68. HIGHS 85 TO
95.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 66.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 82 TO 92. LOWS 56 TO 66.
=
CAZ123-182300-
SHASTA LAKE AREA & 1-5 1000-3000 FT-
INCLUDING THE CITY OF SHASTA LAKE, SIMS
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 71 TO 81. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
CLEAR. LOWS 45 TO 55. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 77 TO 87. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 50 TO 60. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. NORTH WINDS UP TO 10 MPH IN
THE MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
CLEAR. LOWS 53 TO 63.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 54 TO 64. HIGHS
83 TO 93.
TEMPERATURE / PRECIPITATION
SHASTA DAM 81 57 87 / 0 0 0
=
CAZ124-182300-
SHASTA METRO-
INCLUDING THE CITY OF REDDING, ANDERSON
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS AROUND 84. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS 52 TO 58. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 61. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 93. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 64.
THURSDAY
SUNNY. HIGHS AROUND 97.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 59 TO 65. HIGHS
AROUND 95.
TEMPERATURE / PRECIPITATION
REDDING 85 53 91 / 0 0 0
RED BLUFF 86 55 91 / 0 0 0
=
CAZ125-182300-
SHASTA COUNTY FOOTHILLS 1000-3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 74 TO 83. NORTH WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TONIGHT
CLEAR. LOWS 50 TO 56. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 80 TO 88. LIGHT WINDS BECOMING NORTHWEST
UP TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 54 TO 60. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 83 TO 91. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 64.
THURSDAY
SUNNY. HIGHS 87 TO 95.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 59 TO 66. HIGHS
84 TO 94.
=
CAZ126-182300-
E. SHASTA /S. CASCADES ABOVE 3000 FT-
INCLUDING THE CITY OF SHINGLETOWN
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 61 TO 71. NORTHEAST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
TONIGHT
CLEAR. LOWS 37 TO 47. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 67 TO 77. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 42 TO 52. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING WEST UP
TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 46 TO 56.
THURSDAY
SUNNY. HIGHS 74 TO 84.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 47 TO 57. HIGHS
73 TO 83.
=
CAZ127-182300-
BURNEY BASIN-
INCLUDING THE CITY OF BURNEY
800 AM PDT MON MAY 18 2026
TODAY
WIDESPREAD FROST EARLY IN THE MORNING. SUNNY, WARMER.
HIGHS 60 TO 70. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND
30 MPH.
TONIGHT
CLEAR. LOWS 34 TO 42. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 67 TO 77. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 39 TO 47. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 71 TO 81. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 43 TO 51.
THURSDAY
SUNNY. HIGHS 75 TO 85.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 44 TO 54. HIGHS
75 TO 85.
TEMPERATURE / PRECIPITATION
BURNEY 70 38 76 / 0 0 0
=
CAZ128-182300-
LASSEN VOLCANIC NP-
INCLUDING THE CITY OF LASSEN NATIONAL PARK
800 AM PDT MON MAY 18 2026
TODAY
SUNNY. NOT AS COOL. HIGHS 49 TO 59. EAST WINDS 10 TO
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 31 TO 37. EAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 56 TO 66. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 38 TO 44. LIGHT WINDS.
WEDNESDAY
MOSTLY SUNNY. HIGHS 60 TO 70. LIGHT WINDS BECOMING
WEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 41 TO 47.
THURSDAY
SUNNY. HIGHS 64 TO 74.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 41 TO 49. HIGHS
64 TO 74.
=
CAZ129-182300-
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-
INCLUDING THE CITY OF PARADISE
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 72 TO 82. NORTH WINDS 10 TO 15 MPH.
GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 52 TO 62. NORTHEAST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 87. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 65. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 69.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 60 TO 70. HIGHS
82 TO 92.
TEMPERATURE / PRECIPITATION
PARADISE 78 60 82 / 0 0 0
=
CAZ130-182300-
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-
INCLUDING THE CITY OF MINERAL, QUINCY
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 58 TO 68. NORTHEAST WINDS 10 TO
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 37 TO 47. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 65 TO 75. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 42 TO 52. NORTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 45 TO 55.
THURSDAY
SUNNY. HIGHS 72 TO 82.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 47 TO 57. HIGHS
72 TO 82.
TEMPERATURE / PRECIPITATION
QUINCY 72 36 80 / 0 0 0
CHESTER 66 35 74 / 0 0 0
=
CAZ131-182300-
N. MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF AUBURN, GRASS VALLEY, COLFAX, NEVADA CITY
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 73 TO 83. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TONIGHT
CLEAR. LOWS 51 TO 59. NORTHEAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 79 TO 87. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 52 TO 60. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 54 TO 62.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 55 TO 65. HIGHS
82 TO 92.
TEMPERATURE / PRECIPITATION
GRASS VALLEY 77 53 81 / 0 0 0
JACKSON 80 56 84 / 0 0 0
=
CAZ132-182300-
SIERRA (YUBA-PLACER) 3000-5000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 63 TO 73. EAST WINDS 10 TO 15 MPH.
GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 45 TO 55. NORTHEAST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 70 TO 80. EAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH IN THE MORNING BECOMING LIGHT.
TUESDAY NIGHT
CLEAR. LOWS 47 TO 57. NORTHWEST WINDS UP TO
10 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. HIGHS 72 TO 82. LIGHT WINDS BECOMING
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 60.
THURSDAY
SUNNY. HIGHS 76 TO 86.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 51 TO 61. HIGHS
75 TO 85.
=
CAZ133-182300-
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WINDY. NOT AS COOL. HIGHS 51 TO 61. EAST WINDS
15 TO 30 MPH WITH GUSTS TO AROUND 60 MPH DECREASING TO 10 TO
15 MPH WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 34 TO 44. EAST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 60 TO 70. EAST WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
CLEAR. LOWS 38 TO 48. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 63 TO 73. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 41 TO 51.
THURSDAY
SUNNY. HIGHS 67 TO 77.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 43 TO 53. HIGHS
67 TO 77.
TEMPERATURE / PRECIPITATION
BLUE CANYON 64 51 71 / 0 0 0
=
CAZ134-182300-
CENTRAL MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,
COOL, JACKSON
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 73 TO 83. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
TONIGHT
CLEAR. LOWS AROUND 56. NORTH WINDS AROUND 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 87. EAST WINDS UP TO 10 MPH IN THE
MORNING BECOMING LIGHT.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 59.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 56 TO 61. HIGHS
82 TO 92.
=
CAZ135-182300-
SIERRA 3000-5000 FT-
INCLUDING THE CITY OF POLLOCK PINES
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 65 TO 75. EAST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS 47 TO 57. EAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 70 TO 78. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 58. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 73 TO 81. LIGHT WINDS BECOMING WEST UP
TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 50 TO 60.
THURSDAY
SUNNY. HIGHS 76 TO 86.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 51 TO 61. HIGHS
76 TO 86.
=
CAZ136-182300-
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-
INCLUDING THE CITY OF CARSON PASS
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY. NOT AS COOL. HIGHS 51 TO 61. EAST WINDS
15 TO 25 MPH WITH GUSTS TO AROUND 60 MPH DECREASING TO 10 TO
15 MPH WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 34 TO 44. EAST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 58 TO 68. EAST WINDS 10 TO 15 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. GUSTS UP TO 30 MPH.
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 61 TO 71. EAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 40 TO 50.
THURSDAY
SUNNY. HIGHS 66 TO 76.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 42 TO 52. HIGHS
66 TO 76.
=
CAZ137-182300-
SOUTHERN MOTHERLODE 1000-3000 FT-
INCLUDING THE CITY OF SONORA, ANGELS CAMP
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 72 TO 82. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO
20 MPH.
TONIGHT
CLEAR. LOWS 51 TO 59. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE EAST AROUND 10 MPH AFTER MIDNIGHT. GUSTS UP TO
20 MPH.
TUESDAY
SUNNY. HIGHS 77 TO 87. LIGHT WINDS BECOMING WEST
AROUND 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
CLEAR. LOWS 54 TO 62. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 82 TO 92. LIGHT WINDS BECOMING
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 55 TO 65.
THURSDAY
SUNNY. HIGHS 85 TO 95.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 56 TO 66. HIGHS
83 TO 93.
=
CAZ138-182300-
SIERRA (CAL-TUO) 3000-5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 63 TO 73. EAST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE WEST WITH GUSTS TO
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 45 TO 55. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
TUESDAY
SUNNY. HIGHS 67 TO 77. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO
20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 48 TO 58. WEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 72 TO 82. LIGHT WINDS BECOMING
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 51 TO 61.
THURSDAY
SUNNY. HIGHS 76 TO 86.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 53 TO 63. HIGHS
75 TO 85.
=
CAZ139-182300-
SIERRA (CAL-TUO) ABOVE 5000 FT-
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY. HIGHS 51 TO 61. NORTHEAST WINDS 15 TO
25 MPH WITH GUSTS TO AROUND 45 MPH DECREASING TO 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 32 TO 42. NORTHEAST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
TUESDAY
SUNNY. HIGHS 56 TO 66. EAST WINDS AROUND 10 MPH
SHIFTING TO THE WEST UP TO 10 MPH IN THE AFTERNOON. GUSTS UP TO
25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 35 TO 45. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST AROUND 10 MPH AFTER MIDNIGHT. GUSTS
UP TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS 60 TO 70. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO
20 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS 39 TO 49.
THURSDAY
SUNNY. HIGHS 65 TO 75.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 42 TO 52. HIGHS
65 TO 75.
=
CAZ140-182300-
TEHAMA CO COAST RANGE ABOVE 3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 58 TO 68. NORTHEAST WINDS 10 TO
20 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 44 TO 54. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 64 TO 74. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 53 TO 63.
THURSDAY
SUNNY. HIGHS 72 TO 82.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 56 TO 66. HIGHS 72 TO
82.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 70 TO 80. LOWS 52 TO 62.
=
CAZ141-182300-
W TEHAMA CO FOOTHILLS 1000-3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 71 TO 81. NORTH WINDS 10 TO 15 MPH.
GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
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.
TUESDAY NIGHT
CLEAR. LOWS 58 TO 66. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST AROUND 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 61 TO 69.
THURSDAY
SUNNY. HIGHS 85 TO 95.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 60 TO 70. HIGHS
84 TO 94.
=
CAZ142-182300-
N. SAC VALLEY IN TEHAMA COUNTY-
INCLUDING THE CITY OF RED BLUFF
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 81 TO 86. NORTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 35 MPH.
TONIGHT
CLEAR. LOWS 53 TO 59. NORTHWEST WINDS 10 TO 15 MPH.
GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 86 TO 92. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 62. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 90 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 65.
THURSDAY
SUNNY. HIGHS 95 TO 100.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 59 TO 69. HIGHS
93 TO 100.
=
CAZ143-182300-
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 59 TO 69. NORTH WINDS 15 TO
25 MPH SHIFTING TO THE NORTHEAST 10 TO 15 MPH IN THE AFTERNOON.
GUSTS UP TO 40 MPH.
TONIGHT
CLEAR. LOWS 47 TO 57. NORTH WINDS 10 TO 15 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
CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 69 TO 79. LIGHT WINDS BECOMING
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 66.
THURSDAY
SUNNY. HIGHS 73 TO 83.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 55 TO 65. HIGHS
72 TO 82.
=
CAZ144-182300-
CENTRAL GLENN CO & INTERSTATE 5-
INCLUDING THE CITY OF WILLOWS, ORLAND
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 80 TO 86. NORTH WINDS 15 TO
25 MPH DECREASING TO 10 TO 15 MPH IN THE AFTERNOON. GUSTS UP TO
35 MPH.
TONIGHT
CLEAR. LOWS AROUND 57. 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
CLEAR. LOWS AROUND 58. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 90 TO 96. LIGHT WINDS BECOMING EAST
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 61.
THURSDAY
SUNNY. HIGHS 94 TO 100.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS AROUND 60. HIGHS
92 TO 100.
TEMPERATURE / PRECIPITATION
ALDER SPRINGS 66 53 73 / 0 0 0
=
CAZ145-182300-
EASTERN GLENN COUNTY-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY. HIGHS AROUND 86. NORTHWEST WINDS 10 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS AROUND 56. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 60.
THURSDAY
SUNNY. HIGHS AROUND 99.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 57 TO 62. HIGHS
94 TO 99.
=
CAZ146-182300-
BUTTE COUNTY BELOW 1000 FT-
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 83 TO 88. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
CLEAR. LOWS 53 TO 60. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 87 TO 94. NORTHWEST WINDS UP TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 63. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 91 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 67.
THURSDAY
SUNNY. HIGHS 94 TO 102.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 58 TO 68. HIGHS
90 TO 100.
TEMPERATURE / PRECIPITATION
CHICO 87 57 93 / 0 0 0
OROVILLE 88 55 93 / 0 0 0
=
CAZ147-182300-
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 71 TO 81. NORTH WINDS 15 TO
25 MPH WITH GUSTS TO AROUND 45 MPH DECREASING TO 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 52 TO 61. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 77 TO 87. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 65. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 81 TO 91. LIGHT WINDS BECOMING EAST UP
TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 67.
THURSDAY
SUNNY. HIGHS 85 TO 95.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 56 TO 66. HIGHS
83 TO 93.
=
CAZ148-182300-
CENTRAL COLUSA COUNTY INCL. I-5-
INCLUDING THE CITY OF WILLIAMS
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 80 TO 86. NORTH WINDS 10 TO
25 MPH WITH GUSTS TO AROUND 40 MPH.
TONIGHT
CLEAR. LOWS 56 TO 62. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 91. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 63. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 65.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 57 TO 62. HIGHS
89 TO 99.
=
CAZ149-182300-
EASTERN COLUSA COUNTY-
INCLUDING THE CITY OF COLUSA
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS AROUND 86. NORTH WINDS 15 TO 20 MPH
WITH GUSTS TO AROUND 35 MPH.
TONIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 60.
THURSDAY
SUNNY. HIGHS AROUND 99.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 56 TO 61. HIGHS
93 TO 99.
=
CAZ150-182300-
SUTTER/YUBA COUNTIES BELOW 1000 FT-
INCLUDING THE CITY OF YUBA CITY, BEALE AFB
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS AROUND 87. NORTH WINDS
10 TO 25 MPH.
TONIGHT
CLEAR. LOWS 53 TO 59. NORTH WINDS 10 TO 15 MPH. GUSTS
UP TO 25 MPH IN THE EVENING.
TUESDAY
SUNNY. HIGHS 89 TO 95. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 60. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 92 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 63.
THURSDAY
SUNNY. HIGHS 96 TO 102.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 55 TO 65. HIGHS
91 TO 101.
TEMPERATURE / PRECIPITATION
MARYSVILLE/YUBA CITY 87 55 93 / 0 0 0
=
CAZ151-182300-
YOLO / SOLANO COUNTY HILLS-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WINDY, WARMER. HIGHS 75 TO 83. NORTH WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 50 MPH DECREASING TO 15 TO 20 MPH
WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 56 TO 66. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY
SUNNY. HIGHS 81 TO 89. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 67. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS 82 TO 92. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 67.
THURSDAY
SUNNY. HIGHS 84 TO 94.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS 54 TO 64.
HIGHS 82 TO 92.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 76 TO 86. LOWS 52 TO
60.
SUNDAY
MOSTLY SUNNY. HIGHS 76 TO 86.
=
CAZ152-182300-
W. YOLO COUNTY INCLUDING CAPAY/I-505-
INCLUDING THE CITY OF ESPARTO, WINTERS
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 81 TO 87. NORTH WINDS 15 TO
25 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 58 TO 64. 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 58 TO 64. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 92. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 65.
THURSDAY
SUNNY. HIGHS AROUND 95.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS 56 TO 63.
HIGHS 88 TO 95.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 84 TO 90. LOWS AROUND 56.
=
CAZ153-182300-
C. YOLO/NE SOLANO INCLUDING WOODLAND-
INCLUDING THE CITY OF WOODLAND, DIXON
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS AROUND 86. NORTH WINDS
10 TO 25 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH IN THE
AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 58. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. NORTH WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 94. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 58.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS AROUND 56.
HIGHS 89 TO 99.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 83 TO 93. LOWS AROUND 54.
=
CAZ154-182300-
SAC METRO/W. EL DORADO/AMADOR COUNTY-
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,
FOLSOM
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 83 TO 89. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
TONIGHT
CLEAR. LOWS AROUND 56. NORTH WINDS UP TO 15 MPH.
TUESDAY
SUNNY. HIGHS 88 TO 94. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 61. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 92 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 56 TO 63.
THURSDAY
SUNNY. HIGHS 94 TO 102.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS 53 TO 63.
HIGHS 91 TO 101.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 84 TO 94. LOWS 50 TO 59.
TEMPERATURE / PRECIPITATION
SACRAMENTO 88 58 93 / 0 0 0
SAC EXEC AIRPORT 87 57 92 / 0 0 0
=
CAZ155-182300-
C. SOLANO COUNTY INCLUDING FAIRFIELD-
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WINDY, WARMER. HIGHS AROUND 86. NORTH WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 50 MPH DECREASING TO 10 TO 20 MPH
WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 59. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTH WINDS 10 TO 15 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 58. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 89 TO 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 57.
THURSDAY
SUNNY. HIGHS 89 TO 95.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS AROUND 55.
HIGHS 84 TO 94.
SATURDAY AND SATURDAY NIGHT
CLEAR. HIGHS 77 TO 83. LOWS AROUND
53.
SUNDAY
MOSTLY SUNNY. HIGHS 77 TO 83.
TEMPERATURE / PRECIPITATION
FAIRFIELD/SUISUN 86 58 91 / 0 0 0
=
CAZ156-182300-
SW SOLANO COUNTY INCLUDING VALLEJO-
INCLUDING THE CITY OF VALLEJO, BENICIA
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WINDY, WARMER. HIGHS 81 TO 88. NORTH WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 45 MPH DECREASING TO 10 TO 15 MPH
WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY
SUNNY. HIGHS 85 TO 92. NORTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 83 TO 93. WEST WINDS UP TO
10 MPH.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 55.
THURSDAY
SUNNY. HIGHS 82 TO 92.
THURSDAY NIGHT
CLEAR. LOWS AROUND 54.
FRIDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
FRIDAY NIGHT
CLEAR. LOWS AROUND 53.
SATURDAY
MOSTLY SUNNY. HIGHS 71 TO 79.
SATURDAY NIGHT
CLEAR. LOWS AROUND 52.
SUNDAY
MOSTLY SUNNY. HIGHS 71 TO 79.
=
CAZ157-182300-
SACRAMENTO COUNTY DELTA-
INCLUDING THE CITY OF WALNUT GROVE
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WINDY. HIGHS AROUND 85. NORTH WINDS 20 TO 30 MPH
WITH GUSTS TO AROUND 45 MPH DECREASING TO 10 TO 15 MPH WITH GUSTS
TO AROUND 35 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS 86 TO 92. NORTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 60. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 87 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 58.
THURSDAY
SUNNY. HIGHS 88 TO 98.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS AROUND 55.
HIGHS 86 TO 96.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 78 TO 85. LOWS 50 TO 55.
=
CAZ158-182300-
SAN JOAQUIN COUNTY DELTA-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY. HIGHS AROUND 87. NORTH WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH DECREASING TO 10 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 56. NORTHWEST WINDS AROUND 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 91 TO 98. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 58.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS AROUND 55.
HIGHS 89 TO 99.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS 83 TO 89. LOWS AROUND 53.
=
CAZ159-182300-
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-
INCLUDING THE CITY OF STOCKTON, LODI
800 AM PDT MON MAY 18 2026
TODAY
SUNNY. HIGHS AROUND 86. NORTHWEST WINDS 10 TO 15 MPH.
GUSTS UP TO 30 MPH DECREASING TO 20 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS AROUND 56. NORTHWEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
TUESDAY
SUNNY. HIGHS AROUND 91. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS AROUND 58. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 59.
THURSDAY
SUNNY. HIGHS AROUND 98.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
CLEAR. LOWS 52 TO 58.
HIGHS AROUND 97.
SATURDAY THROUGH SUNDAY
CLEAR. HIGHS AROUND 89. LOWS 52 TO 58.
TEMPERATURE / PRECIPITATION
STOCKTON 87 54 92 / 0 0 0
MODESTO 87 57 91 / 0 0 0
=
CAZ160-182300-
TRACY TRIANGLE BELOW 1000 FT-
INCLUDING THE CITY OF TRACY
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 82 TO 87. NORTHWEST WINDS 10 TO
20 MPH. GUSTS UP TO 45 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 56 TO 62. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 87 TO 93. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 66. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
SUNNY. HIGHS 91 TO 97. LIGHT WINDS BECOMING NORTH
AROUND 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 58 TO 67.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 58 TO 65. HIGHS 91 TO
99.
FRIDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 53 TO 60. HIGHS 87 TO
96.
=
CAZ161-182300-
NE SAN JOAQUIN VALLEY BELOW 1000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 81 TO 86. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE AFTERNOON. GUSTS
UP TO 25 MPH.
TONIGHT
CLEAR. LOWS 53 TO 59. NORTHWEST WINDS AROUND 10 MPH
SHIFTING TO THE NORTHEAST UP TO 10 MPH AFTER MIDNIGHT. GUSTS UP
TO 20 MPH.
TUESDAY
SUNNY. HIGHS 86 TO 91. LIGHT WINDS.
TUESDAY NIGHT
CLEAR. LOWS 56 TO 62. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 90 TO 96. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 65.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 56 TO 66. HIGHS
88 TO 98.
=
CAZ162-182300-
E. DIABLO RANGE ABOVE 1000 FT-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, BREEZY, WARMER. HIGHS 72 TO 82. NORTHWEST WINDS
15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH SHIFTING TO THE NORTH
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
TONIGHT
CLEAR. LOWS 51 TO 61. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY, WARMER. HIGHS 78 TO 88. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY NIGHT
CLEAR. LOWS 55 TO 65. NORTHWEST WINDS AROUND
10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
WEDNESDAY
SUNNY. HIGHS 82 TO 92. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 57 TO 67.
THURSDAY
SUNNY. HIGHS 85 TO 94.
THURSDAY NIGHT AND FRIDAY
CLEAR. LOWS 56 TO 66. HIGHS 84 TO
94.
FRIDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 50 TO 60. HIGHS 81 TO
91.
=
CAZ163-182300-
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-
800 AM PDT MON MAY 18 2026
TODAY
SUNNY, WARMER. HIGHS 81 TO 86. NORTHWEST WINDS 10 TO
20 MPH. GUSTS UP TO 35 MPH IN THE MORNING.
TONIGHT
CLEAR. LOWS 55 TO 62. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS 86 TO 91. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS 57 TO 65. NORTHWEST WINDS AROUND
10 MPH SHIFTING TO THE WEST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 90 TO 96. LIGHT WINDS BECOMING
NORTHEAST UP TO 10 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
CLEAR. LOWS 59 TO 67.
THURSDAY
SUNNY. HIGHS 93 TO 99.
THURSDAY NIGHT THROUGH SATURDAY NIGHT
CLEAR. LOWS 55 TO 65.
HIGHS 88 TO 98.
SUNDAY
SUNNY. HIGHS 85 TO 91.
=
CAZ164-182300-
C. STANISLAUS COUNTY INCLUDING MODESTO-
INCLUDING THE CITY OF MODESTO, TURLOCK
800 AM PDT MON MAY 18 2026
TODAY
SUNNY. HIGHS AROUND 85. NORTHWEST WINDS AROUND 10 MPH.
GUSTS UP TO 25 MPH IN THE MORNING.
TONIGHT
CLEAR. LOWS 52 TO 58. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 90. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS AROUND 57. NORTHWEST WINDS UP TO
10 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 95. LIGHT WINDS.
WEDNESDAY NIGHT
CLEAR. LOWS AROUND 60.
THURSDAY
SUNNY. HIGHS AROUND 97.
THURSDAY NIGHT THROUGH SUNDAY
CLEAR. LOWS 55 TO 60. HIGHS
91 TO 97.
=
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