149  
FPUS56 KSTO 181832  
ZFPSTO  
 
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1132 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-  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 62 TO 72. NORTHEAST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
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  
MOSTLY SUNNY. HIGHS 70 TO 80. NORTHWEST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 50 TO 60.    
THURSDAY  
SUNNY. HIGHS 74 TO 84.    
THURSDAY NIGHT AND FRIDAY  
CLEAR. LOWS 53 TO 63. HIGHS 73 TO  
83.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 52 TO 62.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 71 TO 81. LOWS 51 TO 61.  
 
 
=  
 
CAZ122-182300-  
W. SHASTA COUNTY 1000-3000 FT-  
INCLUDING THE CITY OF WHISKEYTOWN  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 71 TO 81. NORTH 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. NORTH WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP  
TO 10 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 80 TO 90. NORTHWEST WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 55 TO 65.    
THURSDAY  
SUNNY. HIGHS 84 TO 94.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 56 TO 66. HIGHS  
82 TO 92.  
 
 
=  
 
CAZ123-182300-  
SHASTA LAKE AREA & 1-5 1000-3000 FT-  
INCLUDING THE CITY OF SHASTA LAKE, SIMS  
1132 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. 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  
MOSTLY SUNNY. HIGHS 79 TO 89. NORTH WINDS UP TO  
10 MPH IN THE MORNING BECOMING LIGHT.    
WEDNESDAY NIGHT  
CLEAR. LOWS 52 TO 62.    
THURSDAY  
SUNNY. HIGHS 83 TO 93.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 54 TO 64. HIGHS  
81 TO 91.  
 
 
TEMPERATURE / PRECIPITATION  
SHASTA DAM 81 56 86 / 0 0 0  
 
 
=  
 
CAZ124-182300-  
SHASTA METRO-  
INCLUDING THE CITY OF REDDING, ANDERSON  
1132 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 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 55 TO 61. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 91. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 60.    
THURSDAY  
SUNNY. HIGHS 94 TO 99.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 58 TO 65. HIGHS  
91 TO 99.  
 
 
TEMPERATURE / PRECIPITATION  
REDDING 85 53 90 / 0 0 0  
RED BLUFF 86 54 90 / 0 0 0  
 
 
=  
 
CAZ125-182300-  
SHASTA COUNTY FOOTHILLS 1000-3000 FT-  
1132 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 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  
MOSTLY SUNNY. HIGHS 81 TO 89. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 57 TO 63.    
THURSDAY  
SUNNY. HIGHS 85 TO 95.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 59 TO 65. HIGHS  
83 TO 93.  
 
 
=  
 
CAZ126-182300-  
E. SHASTA /S. CASCADES ABOVE 3000 FT-  
INCLUDING THE CITY OF SHINGLETOWN  
1132 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.    
TUESDAY  
SUNNY. HIGHS 66 TO 76. NORTHEAST WINDS UP TO 10 MPH  
SHIFTING TO THE NORTH 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  
WEST UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 45 TO 55.    
THURSDAY  
SUNNY. HIGHS 73 TO 83.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 47 TO 57.    
FRIDAY THROUGH SUNDAY  
CLEAR. HIGHS 71 TO 81. LOWS 46 TO 56.  
 
 
=  
 
CAZ127-182300-  
BURNEY BASIN-  
INCLUDING THE CITY OF BURNEY  
1132 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 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  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
70 TO 80. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 43 TO 51.    
THURSDAY  
SUNNY. HIGHS 74 TO 84.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 44 TO 54.    
FRIDAY THROUGH SUNDAY  
CLEAR. HIGHS 73 TO 83. LOWS 44 TO 54.  
 
 
TEMPERATURE / PRECIPITATION  
BURNEY 70 37 75 / 0 0 0  
 
 
=  
 
CAZ128-182300-  
LASSEN VOLCANIC NP-  
INCLUDING THE CITY OF LASSEN NATIONAL PARK  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY. NOT AS COOL. HIGHS 49 TO 59. NORTHEAST WINDS  
10 TO 15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE  
AFTERNOON.    
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 WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 40 TO 46.    
THURSDAY  
SUNNY. HIGHS 62 TO 72.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLEAR. LOWS 42 TO 50. HIGHS  
62 TO 72.    
FRIDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 40 TO 47. HIGHS 62 TO  
72.  
 
 
=  
 
CAZ129-182300-  
SIERRA (TEHAMA-PLUMAS) 1000-3000 FT-  
INCLUDING THE CITY OF PARADISE  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 72 TO 82. NORTH WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 35 MPH.    
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 78 TO 88. LIGHT WINDS BECOMING  
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 58 TO 68.    
THURSDAY  
SUNNY. HIGHS 83 TO 93.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 58 TO 68. HIGHS  
81 TO 91.  
 
 
TEMPERATURE / PRECIPITATION  
PARADISE 78 59 81 / 0 0 0  
 
 
=  
 
CAZ130-182300-  
SIERRA (TEHAMA-PLUMAS) ABOVE 3000 FT-  
INCLUDING THE CITY OF MINERAL, QUINCY  
1132 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 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. GUSTS  
UP TO 20 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 67 TO 77. LIGHT WINDS BECOMING  
SOUTHWEST UP TO 10 MPH WITH GUSTS TO AROUND 20 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 45 TO 55.    
THURSDAY  
SUNNY. HIGHS 71 TO 81.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 46 TO 56. HIGHS  
70 TO 80.  
 
 
TEMPERATURE / PRECIPITATION  
QUINCY 72 35 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  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 73 TO 83. NORTHEAST WINDS AROUND  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
TONIGHT  
CLEAR. LOWS 50 TO 58. NORTHEAST WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 20 MPH.    
TUESDAY  
SUNNY. HIGHS 78 TO 86. NORTHEAST WINDS UP TO 10 MPH  
SHIFTING TO THE WEST IN THE AFTERNOON.    
TUESDAY NIGHT  
CLEAR. LOWS 51 TO 59. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 78 TO 88. LIGHT WINDS BECOMING  
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 53 TO 61.    
THURSDAY  
SUNNY. HIGHS 82 TO 92.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 53 TO 63. HIGHS  
81 TO 91.  
 
 
TEMPERATURE / PRECIPITATION  
GRASS VALLEY 77 52 80 / 0 0 0  
JACKSON 80 56 83 / 0 0 0  
 
 
=  
 
CAZ132-182300-  
SIERRA (YUBA-PLACER) 3000-5000 FT-  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 63 TO 73. NORTHEAST WINDS 10 TO  
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.   
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  
SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 49 TO 59.    
THURSDAY  
SUNNY. HIGHS 74 TO 84.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 51 TO 61. HIGHS  
73 TO 83.  
 
 
=  
 
CAZ133-182300-  
SIERRA (SIERRA-PLACER) ABOVE 5000 FT-  
INCLUDING THE CITY OF BLUE CANYON, KINGVALE, DONNER PEAK  
1132 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. 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. GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.   
TUESDAY NIGHT  
CLEAR. LOWS 37 TO 47. NORTH WINDS UP TO 10 MPH  
SHIFTING TO THE EAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 62 TO 72. EAST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.  
GUSTS UP TO 20 MPH.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 40 TO 50.    
THURSDAY  
SUNNY. HIGHS 66 TO 76.    
THURSDAY NIGHT AND FRIDAY  
MOSTLY CLEAR. LOWS 43 TO 53. HIGHS  
66 TO 76.    
FRIDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 42 TO 52. HIGHS 66 TO  
76.  
 
 
TEMPERATURE / PRECIPITATION  
BLUE CANYON 64 50 70 / 0 0 0  
 
 
=  
 
CAZ134-182300-  
CENTRAL MOTHERLODE 1000-3000 FT-  
INCLUDING THE CITY OF CAMERON PARK, SHINGLE SPRINGS, PLACERVILLE,  
COOL, JACKSON  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 73 TO 83. NORTHEAST WINDS UP TO  
10 MPH SHIFTING TO THE NORTHWEST AROUND 10 MPH IN THE AFTERNOON.  
GUSTS UP TO 20 MPH.    
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 58.    
THURSDAY  
SUNNY. HIGHS 84 TO 94.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 58. HIGHS  
81 TO 91.  
 
 
=  
 
CAZ135-182300-  
SIERRA 3000-5000 FT-  
INCLUDING THE CITY OF POLLOCK PINES  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 65 TO 75. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
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 UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 49 TO 59.    
THURSDAY  
SUNNY. HIGHS 76 TO 84.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 51 TO 61. HIGHS  
74 TO 84.  
 
 
=  
 
CAZ136-182300-  
SIERRA (EL DORADO-AMADOR) ABOVE 5000 FT-  
INCLUDING THE CITY OF CARSON PASS  
1132 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 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  
SHIFTING TO THE NORTH IN THE AFTERNOON. GUSTS UP TO 30 MPH.    
TUESDAY NIGHT  
CLEAR. LOWS 36 TO 46. NORTH WINDS UP TO 10 MPH  
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.    
WEDNESDAY  
MOSTLY 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 64 TO 74.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 42 TO 52.    
FRIDAY THROUGH SUNDAY  
CLEAR. HIGHS 64 TO 74. LOWS 42 TO 52.  
 
 
=  
 
CAZ137-182300-  
SOUTHERN MOTHERLODE 1000-3000 FT-  
INCLUDING THE CITY OF SONORA, ANGELS CAMP  
1132 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. NORTH WINDS AROUND 10 MPH  
SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 20 MPH.    
TUESDAY  
SUNNY. HIGHS 76 TO 86. EAST WINDS UP TO 10 MPH  
SHIFTING TO THE 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  
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 54 TO 64.    
THURSDAY  
SUNNY. HIGHS 85 TO 95.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 55 TO 65. HIGHS  
83 TO 93.  
 
 
=  
 
CAZ138-182300-  
SIERRA (CAL-TUO) 3000-5000 FT-  
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD  
1132 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 NORTHWEST WITH GUSTS  
TO AROUND 20 MPH IN THE AFTERNOON.    
TONIGHT  
CLEAR. LOWS 45 TO 55. NORTHEAST WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH.    
TUESDAY  
SUNNY. HIGHS 67 TO 77. EAST WINDS UP TO 10 MPH WITH  
GUSTS TO AROUND 25 MPH SHIFTING TO THE WEST AROUND 10 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT  
CLEAR. LOWS 47 TO 57. LIGHT WINDS BECOMING  
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING  
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. GUSTS UP TO 20 MPH.    
WEDNESDAY NIGHT  
CLEAR. LOWS 50 TO 60.    
THURSDAY  
SUNNY. HIGHS 75 TO 85.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 52 TO 62. HIGHS  
74 TO 84.  
 
 
=  
 
CAZ139-182300-  
SIERRA (CAL-TUO) ABOVE 5000 FT-  
INCLUDING THE CITY OF TWAIN HARTE, ARNOLD  
1132 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 35 MPH IN THE AFTERNOON.    
TONIGHT  
CLEAR. LOWS 31 TO 41. EAST WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
TUESDAY  
SUNNY. HIGHS 56 TO 66. 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. GUSTS  
UP TO 20 MPH.    
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  
CLEAR. LOWS 38 TO 48.    
THURSDAY  
SUNNY. HIGHS 63 TO 73.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 41 TO 51.    
FRIDAY THROUGH SUNDAY  
CLEAR. HIGHS 64 TO 74. LOWS 41 TO 51.  
 
 
=  
 
CAZ140-182300-  
TEHAMA CO COAST RANGE ABOVE 3000 FT-  
1132 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 43 TO 53. NORTH WINDS AROUND 10 MPH WITH  
GUSTS TO AROUND 25 MPH.    
TUESDAY  
SUNNY. HIGHS 63 TO 73. NORTHEAST 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.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 66 TO 76. LIGHT WINDS BECOMING  
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
MOSTLY CLEAR. LOWS 52 TO 62.    
THURSDAY  
SUNNY. HIGHS 71 TO 81.    
THURSDAY NIGHT  
CLEAR. LOWS 55 TO 65.    
FRIDAY  
MOSTLY SUNNY. HIGHS 70 TO 80.    
FRIDAY NIGHT AND SATURDAY  
CLEAR. LOWS 52 TO 62. HIGHS 70 TO  
80.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 50 TO 60.    
SUNDAY  
SUNNY. HIGHS 68 TO 78.  
 
 
=  
 
CAZ141-182300-  
W TEHAMA CO FOOTHILLS 1000-3000 FT-  
1132 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. GUSTS  
UP TO 20 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 57 TO 65. NORTHWEST WINDS UP  
TO 10 MPH.    
WEDNESDAY  
SUNNY. HIGHS 79 TO 89. LIGHT WINDS BECOMING EAST  
AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 59 TO 67.    
THURSDAY  
SUNNY. HIGHS 84 TO 94.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 59 TO 69. HIGHS  
82 TO 92.  
 
 
=  
 
CAZ142-182300-  
N. SAC VALLEY IN TEHAMA COUNTY-  
INCLUDING THE CITY OF RED BLUFF  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 81 TO 86. NORTH WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH.    
TONIGHT  
CLEAR. LOWS 53 TO 59. NORTHWEST WINDS AROUND 10 MPH.  
GUSTS UP TO 25 MPH IN THE EVENING.    
TUESDAY  
SUNNY. HIGHS 85 TO 91. NORTHWEST WINDS AROUND 10 MPH  
WITH GUSTS TO AROUND 20 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 56 TO 62. LIGHT WINDS.    
WEDNESDAY  
SUNNY. HIGHS 88 TO 94. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 59 TO 64.    
THURSDAY  
SUNNY. HIGHS 95 TO 100.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 58 TO 67. HIGHS  
92 TO 100.  
 
 
=  
 
CAZ143-182300-  
GLENN/COLUSA COAST RANGE ABOVE 3000 FT-  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, BREEZY, WARMER. HIGHS 59 TO 69. NORTHEAST WINDS  
15 TO 25 MPH DECREASING TO 10 TO 15 MPH IN THE AFTERNOON. GUSTS  
UP TO 40 MPH.    
TONIGHT  
CLEAR. LOWS 46 TO 56. 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  
MOSTLY CLEAR. LOWS 52 TO 62. NORTHWEST WINDS UP  
TO 10 MPH.    
WEDNESDAY  
SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING  
SOUTHEAST AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 55 TO 65.    
THURSDAY  
SUNNY. HIGHS 72 TO 82.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 54 TO 64. HIGHS  
71 TO 81.  
 
 
=  
 
CAZ144-182300-  
CENTRAL GLENN CO & INTERSTATE 5-  
INCLUDING THE CITY OF WILLOWS, ORLAND  
1132 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 56. NORTHWEST WINDS AROUND 10 MPH  
WITH GUSTS TO AROUND 20 MPH.    
TUESDAY  
SUNNY. HIGHS 84 TO 90. NORTH WINDS 10 TO 15 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 58. LIGHT WINDS.    
WEDNESDAY  
SUNNY. HIGHS 88 TO 94. LIGHT WINDS BECOMING EAST  
AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 59.    
THURSDAY  
SUNNY. HIGHS 93 TO 99.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 59. HIGHS  
91 TO 99.  
 
 
TEMPERATURE / PRECIPITATION  
ALDER SPRINGS 66 52 72 / 0 0 0  
 
 
=  
 
CAZ145-182300-  
EASTERN GLENN COUNTY-  
1132 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 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 56. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 93. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 59.    
THURSDAY  
SUNNY. HIGHS AROUND 99.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 59. HIGHS  
93 TO 99.  
 
 
=  
 
CAZ146-182300-  
BUTTE COUNTY BELOW 1000 FT-  
INCLUDING THE CITY OF CHICO, OROVILLE, GRIDLEY  
1132 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 52 TO 59. NORTH WINDS UP TO 10 MPH WITH  
GUSTS TO AROUND 20 MPH.    
TUESDAY  
SUNNY. HIGHS 86 TO 93. NORTHWEST WINDS UP TO 15 MPH.    
TUESDAY NIGHT  
CLEAR. LOWS 55 TO 63. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 89 TO 95. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 58 TO 66.    
THURSDAY  
SUNNY. HIGHS 94 TO 101.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 57 TO 67. HIGHS  
89 TO 99.  
 
 
TEMPERATURE / PRECIPITATION  
CHICO 87 56 91 / 0 0 0  
OROVILLE 88 54 92 / 0 0 0  
 
 
=  
 
CAZ147-182300-  
W. GLENN/COLUSA FOOTHILLS 1000-3000 FT-  
1132 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 51 TO 60. NORTH 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  
MOSTLY SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING  
EAST AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 56 TO 66.    
THURSDAY  
SUNNY. HIGHS 84 TO 94.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 55 TO 65. HIGHS  
82 TO 92.  
 
 
=  
 
CAZ148-182300-  
CENTRAL COLUSA COUNTY INCL. I-5-  
INCLUDING THE CITY OF WILLIAMS  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, BREEZY, WARMER. HIGHS 80 TO 86. NORTH WINDS 10 TO  
25 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.   
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.    
TUESDAY NIGHT  
CLEAR. LOWS 56 TO 62. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 88 TO 94. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 58 TO 64.    
THURSDAY  
SUNNY. HIGHS 92 TO 98.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 59. HIGHS  
87 TO 97.  
 
 
=  
 
CAZ149-182300-  
EASTERN COLUSA COUNTY-  
INCLUDING THE CITY OF COLUSA  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, BREEZY, WARMER. HIGHS AROUND 86. NORTH WINDS  
10 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
TONIGHT  
CLEAR. LOWS AROUND 55. 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 56. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 93. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 59.    
THURSDAY  
SUNNY. HIGHS AROUND 98.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 58. HIGHS  
92 TO 98.  
 
 
=  
 
CAZ150-182300-  
SUTTER/YUBA COUNTIES BELOW 1000 FT-  
INCLUDING THE CITY OF YUBA CITY, BEALE AFB  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS AROUND 87. NORTH WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 35 MPH.    
TONIGHT  
CLEAR. LOWS 52 TO 58. NORTH WINDS UP TO 15 MPH. GUSTS  
UP TO 25 MPH IN THE EVENING.    
TUESDAY  
SUNNY. HIGHS 88 TO 94. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY NIGHT  
CLEAR. LOWS AROUND 57. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 90 TO 95. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 56 TO 62.    
THURSDAY  
SUNNY. HIGHS 95 TO 102.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 54 TO 64.  
HIGHS 92 TO 102.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 88 TO 94. LOWS 53 TO 61.  
 
 
TEMPERATURE / PRECIPITATION  
MARYSVILLE/YUBA CITY 87 54 92 / 0 0 0  
 
 
=  
 
CAZ151-182300-  
YOLO / SOLANO COUNTY HILLS-  
1132 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 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. WEST WINDS UP TO 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 80 TO 90. LIGHT WINDS BECOMING  
SOUTH UP TO 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 55 TO 65.    
THURSDAY  
SUNNY. HIGHS 82 TO 92.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 53 TO 63.  
HIGHS 80 TO 90.    
SATURDAY AND SATURDAY NIGHT  
CLEAR. HIGHS 74 TO 84. LOWS 51 TO  
58.    
SUNDAY  
MOSTLY SUNNY. HIGHS 74 TO 84.  
 
 
=  
 
CAZ152-182300-  
W. YOLO COUNTY INCLUDING CAPAY/I-505-  
INCLUDING THE CITY OF ESPARTO, WINTERS  
1132 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 57 TO 63. NORTH WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 25 MPH.    
TUESDAY  
SUNNY. HIGHS 86 TO 92. NORTH WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 25 MPH.    
TUESDAY NIGHT  
CLEAR. LOWS 57 TO 63. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 90. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 56 TO 64.    
THURSDAY  
SUNNY. HIGHS AROUND 94.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 55 TO 62.  
HIGHS 87 TO 94.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 83 TO 89. LOWS AROUND 55.  
 
 
=  
 
CAZ153-182300-  
C. YOLO/NE SOLANO INCLUDING WOODLAND-  
INCLUDING THE CITY OF WOODLAND, DIXON  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, BREEZY, WARMER. HIGHS AROUND 86. NORTH WINDS  
15 TO 25 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH IN THE  
AFTERNOON.    
TONIGHT  
CLEAR. LOWS AROUND 57. 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 56. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 91. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 57.    
THURSDAY  
SUNNY. HIGHS 92 TO 98.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS AROUND 54.  
HIGHS 87 TO 97.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 81 TO 91. LOWS AROUND 53.  
 
 
=  
 
CAZ154-182300-  
SAC METRO/W. EL DORADO/AMADOR COUNTY-  
INCLUDING THE CITY OF LINCOLN, ROSEVILLE, SACRAMENTO, ELK GROVE,  
FOLSOM  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 83 TO 89. NORTH WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 35 MPH.    
TONIGHT  
CLEAR. LOWS AROUND 56. NORTH WINDS UP 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 62.    
THURSDAY  
SUNNY. HIGHS 93 TO 101.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 51 TO 61.  
HIGHS 90 TO 100.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 83 TO 93. LOWS 50 TO 58.  
 
 
TEMPERATURE / PRECIPITATION  
SACRAMENTO 88 57 91 / 0 0 0  
SAC EXEC AIRPORT 87 56 91 / 0 0 0  
 
 
=  
 
CAZ155-182300-  
C. SOLANO COUNTY INCLUDING FAIRFIELD-  
INCLUDING THE CITY OF FAIRFIELD, VACAVILLE  
1132 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 15 TO 20 MPH  
WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.    
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. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 56.    
THURSDAY  
SUNNY. HIGHS 87 TO 93.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS AROUND 53.  
HIGHS 81 TO 91.    
SATURDAY  
MOSTLY SUNNY. HIGHS 76 TO 82.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 52.    
SUNDAY  
MOSTLY SUNNY. HIGHS 76 TO 82.  
 
 
TEMPERATURE / PRECIPITATION  
FAIRFIELD/SUISUN 86 58 90 / 0 0 0  
 
 
=  
 
CAZ156-182300-  
SW SOLANO COUNTY INCLUDING VALLEJO-  
INCLUDING THE CITY OF VALLEJO, BENICIA  
1132 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 20 MPH  
WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.    
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 54.    
THURSDAY  
SUNNY. HIGHS 80 TO 90.    
THURSDAY NIGHT  
CLEAR. LOWS AROUND 53.    
FRIDAY  
MOSTLY SUNNY. HIGHS 73 TO 83.    
FRIDAY NIGHT  
CLEAR. LOWS AROUND 52.    
SATURDAY  
MOSTLY SUNNY. HIGHS 69 TO 78.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 52.    
SUNDAY  
MOSTLY SUNNY. HIGHS 71 TO 79.  
 
 
=  
 
CAZ157-182300-  
SACRAMENTO COUNTY DELTA-  
INCLUDING THE CITY OF WALNUT GROVE  
1132 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 15 TO 20 MPH WITH GUSTS  
TO AROUND 35 MPH IN THE AFTERNOON.    
TONIGHT  
CLEAR. LOWS AROUND 57. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY  
SUNNY. HIGHS 86 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.    
THURSDAY  
SUNNY. HIGHS 86 TO 95.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 50 TO 57.  
HIGHS 83 TO 93.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 77 TO 84. LOWS 50 TO 55.  
 
 
=  
 
CAZ158-182300-  
SAN JOAQUIN COUNTY DELTA-  
1132 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 55. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY  
SUNNY. HIGHS 88 TO 93. NORTHWEST 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 90 TO 95. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 57.    
THURSDAY  
SUNNY. HIGHS 92 TO 97.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS AROUND 54.  
HIGHS 87 TO 97.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 81 TO 88. LOWS AROUND 53.  
 
 
=  
 
CAZ159-182300-  
C. SAN JOAQUIN COUNTY INCLUDING STOCKTON-  
INCLUDING THE CITY OF STOCKTON, LODI  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY. HIGHS AROUND 86. NORTH WINDS 10 TO 15 MPH. GUSTS  
UP TO 30 MPH IN THE MORNING.    
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 94. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS AROUND 58.    
THURSDAY  
SUNNY. HIGHS AROUND 97.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS AROUND 56.  
HIGHS AROUND 95.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 86 TO 92. LOWS AROUND 54.  
 
 
TEMPERATURE / PRECIPITATION  
STOCKTON 87 53 91 / 0 0 0  
MODESTO 87 56 91 / 0 0 0  
 
 
=  
 
CAZ160-182300-  
TRACY TRIANGLE BELOW 1000 FT-  
INCLUDING THE CITY OF TRACY  
1132 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 55 TO 62. NORTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 25 MPH.    
TUESDAY  
SUNNY. HIGHS 87 TO 92. 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 90 TO 95. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 57 TO 65.    
THURSDAY  
SUNNY. HIGHS 92 TO 97.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 54 TO 64.  
HIGHS 92 TO 97.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 85 TO 90. LOWS 53 TO 60.  
 
 
=  
 
CAZ161-182300-  
NE SAN JOAQUIN VALLEY BELOW 1000 FT-  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY, WARMER. HIGHS 81 TO 86. NORTHEAST WINDS UP TO  
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.   
TONIGHT  
CLEAR. LOWS 52 TO 58. NORTHWEST WINDS 10 TO 15 MPH  
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.    
TUESDAY  
SUNNY. HIGHS 85 TO 90. LIGHT WINDS.    
TUESDAY NIGHT  
CLEAR. LOWS 55 TO 61. LIGHT WINDS.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 89 TO 94. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 58 TO 64.    
THURSDAY  
SUNNY. HIGHS 93 TO 99.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT  
CLEAR. LOWS 56 TO 64.  
HIGHS 91 TO 99.    
SATURDAY THROUGH SUNDAY  
CLEAR. HIGHS 86 TO 93. LOWS 55 TO 62.  
 
 
=  
 
CAZ162-182300-  
E. DIABLO RANGE ABOVE 1000 FT-  
1132 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 52 TO 62. NORTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 25 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 10 TO  
15 MPH.    
WEDNESDAY  
SUNNY. HIGHS 81 TO 91. LIGHT WINDS BECOMING EAST  
AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT  
CLEAR. LOWS 56 TO 66.    
THURSDAY  
SUNNY. HIGHS 84 TO 92.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 52 TO 62. HIGHS  
80 TO 90.  
 
 
=  
 
CAZ163-182300-  
W. STANISLAUS COUNTY ABOVE 1000 FT & I-5-  
1132 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  
WITH GUSTS TO AROUND 25 MPH.    
TUESDAY  
SUNNY. HIGHS 85 TO 90. NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT  
CLEAR. LOWS 57 TO 65. NORTHWEST WINDS UP TO  
10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 89 TO 94. LIGHT WINDS.    
WEDNESDAY NIGHT  
CLEAR. LOWS 58 TO 65.    
THURSDAY  
SUNNY. HIGHS 92 TO 97.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS 54 TO 64. HIGHS  
86 TO 96.  
 
 
=  
 
CAZ164-182300-  
C. STANISLAUS COUNTY INCLUDING MODESTO-  
INCLUDING THE CITY OF MODESTO, TURLOCK  
1132 AM PDT MON MAY 18 2026  
   
TODAY  
SUNNY. HIGHS AROUND 85. NORTHWEST WINDS AROUND 10 MPH  
WITH GUSTS TO AROUND 25 MPH.    
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.    
THURSDAY  
SUNNY. HIGHS AROUND 97.    
THURSDAY NIGHT THROUGH SUNDAY  
CLEAR. LOWS AROUND 57. HIGHS  
90 TO 97.  
 
 
=  
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