586  
FPUS56 KSTO 160724  
ZFPSTO  
 
INTERIOR NORTHERN CALIFORNIA ZONE FORECASTS FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1224 AM PDT FRI MAY 16 2025  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TODAY, TONIGHT, AND SATURDAY.  
 
CAZ013-162300-  
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-  
INCLUDING THE CITY OF SHASTA DAM  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 66 TO 81 HIGHER ELEVATIONS  
78 TO  
86 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.    
TONIGHT...MOSTLY CLOUDY. LOWS 42 TO 56 HIGHER ELEVATIONS  
51 TO  
58 LOWER ELEVATIONS. LIGHT WINDS.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. A SLIGHT  
CHANCE OF RAIN SHOWERS. HIGHS 57 TO 72 HIGHER ELEVATIONS...70 TO  
78 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
CLEAR, COLDER. LOWS 34 TO 49 HIGHER  
ELEVATIONS...44 TO 53 LOWER ELEVATIONS. PREVAILING NORTHWEST  
WINDS UP TO 15 MPH.    
SUNDAY...SUNNY. HIGHS 58 TO 73 HIGHER ELEVATIONS  
71 TO  
81 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH WITH  
GUSTS TO AROUND 25 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 37 TO 52.    
MONDAY  
SUNNY, WARMER. HIGHS 71 TO 86.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 44 TO 59. HIGHS  
73 TO 88.  
 
 
TEMPERATURE / PRECIPITATION  
SHASTA DAM 84 58 76 / 0 10 10  
 
 
=  
 
CAZ014-162300-  
BURNEY BASIN / EASTERN SHASTA COUNTY-  
INCLUDING THE CITY OF BURNEY  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 62 TO 73 HIGHER ELEVATIONS  
71 TO  
77 LOWER ELEVATIONS. LIGHT WINDS.    
TONIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AFTER  
MIDNIGHT. LOWS 40 TO 51. LIGHT WINDS.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 67. PREVAILING  
NORTHWEST WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN CLEARING.  
COLDER. LOWS 28 TO 39. PREVAILING NORTH WINDS UP TO 15 MPH.    
SUNDAY...SUNNY. HIGHS 54 TO 63 HIGHER ELEVATIONS  
63 TO  
69 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 31 TO 40.    
MONDAY  
SUNNY, WARMER. HIGHS 65 TO 79.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 38 TO 47. HIGHS  
67 TO 82.  
 
 
TEMPERATURE / PRECIPITATION  
BURNEY 74 47 63 / 0 20 40  
 
 
=  
 
CAZ015-162300-  
NORTHERN SACRAMENTO VALLEY-  
INCLUDING THE CITIES OF REDDING AND RED BLUFF  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 83 TO 88. NORTH WINDS AROUND 10 MPH  
WITH GUSTS TO AROUND 20 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 55 TO 61. NORTHWEST WINDS UP TO 10 MPH.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
75 TO 81. NORTHWEST WINDS UP TO 15 MPH. GUSTS UP TO 25 MPH IN THE  
AFTERNOON.    
SATURDAY NIGHT  
CLEAR. LOWS 50 TO 55. NORTHWEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY  
SUNNY. HIGHS AROUND 80. NORTH WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 52 TO 58.    
MONDAY  
SUNNY, WARMER. HIGHS 86 TO 91.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 56 TO 63. HIGHS  
86 TO 95.  
 
 
TEMPERATURE / PRECIPITATION  
REDDING 87 56 79 / 0 10 10  
RED BLUFF 88 59 81 / 0 10 10  
 
 
=  
 
CAZ016-162300-  
CENTRAL SACRAMENTO VALLEY-  
INCLUDING THE CITIES OF CHICO, OROVILLE, AND MARYSVILLE/YUBA CITY  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 83 TO 89. NORTHWEST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TONIGHT  
MOSTLY CLEAR. LOWS AROUND 57. SOUTH WINDS UP TO  
10 MPH.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
76 TO 81. SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
20 MPH.    
SATURDAY NIGHT  
CLEAR. LOWS 52 TO 58. NORTH WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 25 MPH.    
SUNDAY  
SUNNY. HIGHS 78 TO 83. NORTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 55 TO 61.    
MONDAY  
SUNNY, WARMER. HIGHS 87 TO 92.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS AROUND 61. HIGHS  
87 TO 96.  
 
 
TEMPERATURE / PRECIPITATION  
CHICO 87 59 80 / 0 10 10  
OROVILLE 86 58 78 / 0 10 10  
MARYSVILLE/YUBA CITY 87 57 79 / 0 0 0  
 
 
=  
 
CAZ017-162300-  
SOUTHERN SACRAMENTO VALLEY-  
INCLUDING THE CITY OF SACRAMENTO  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 82 TO 89. NORTHWEST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TONIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS  
AROUND 55. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
20 MPH.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
74 TO 81. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
20 MPH.    
SATURDAY NIGHT  
CLEAR. LOWS 49 TO 57. SOUTHWEST WINDS AROUND  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
SUNDAY  
SUNNY. HIGHS 78 TO 84. NORTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 54 TO 62.    
MONDAY  
SUNNY, WARMER. HIGHS 86 TO 93.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 55 TO 63. HIGHS  
86 TO 96.  
 
 
TEMPERATURE / PRECIPITATION  
SACRAMENTO 87 56 79 / 0 0 0  
SAC EXEC AIRPORT 87 55 78 / 0 0 0  
 
 
=  
 
CAZ018-162300-  
CARQUINEZ STRAIT AND DELTA-  
INCLUDING THE CITY OF FAIRFIELD/SUISUN  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 78 TO 84. WEST WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 20 MPH.    
TONIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS  
AROUND 54. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
72 TO 78. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
SATURDAY NIGHT  
CLEAR. LOWS AROUND 52. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY  
SUNNY. HIGHS 77 TO 83. NORTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 55 TO 61.    
MONDAY  
SUNNY, WARMER. HIGHS 85 TO 91.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS AROUND 58. HIGHS  
86 TO 92.  
 
 
TEMPERATURE / PRECIPITATION  
FAIRFIELD/SUISUN 84 53 77 / 0 0 0  
 
 
=  
 
CAZ019-162300-  
NORTHERN SAN JOAQUIN VALLEY-  
INCLUDING THE CITIES OF STOCKTON AND MODESTO  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 79 TO 88. NORTHWEST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TONIGHT  
MOSTLY CLEAR. LOWS 50 TO 58. WEST WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
68 TO 78. WEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY NIGHT  
CLEAR. LOWS 47 TO 53. WEST WINDS UP TO 15 MPH.  
GUSTS UP TO 30 MPH DECREASING TO 20 MPH AFTER MIDNIGHT.    
SUNDAY  
SUNNY, WARMER. HIGHS 75 TO 84. NORTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 52 TO 62.    
MONDAY  
SUNNY, WARMER. HIGHS 83 TO 92.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 55 TO 63. HIGHS  
85 TO 95.  
 
 
TEMPERATURE / PRECIPITATION  
STOCKTON 88 53 78 / 0 0 0  
MODESTO 87 56 77 / 0 0 0  
 
 
=  
 
CAZ063-162300-  
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY-  
INCLUDING THE CITY OF ALDER SPRINGS  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 61 TO 76 HIGHER ELEVATIONS  
78 TO  
84 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 39 TO 54 HIGHER ELEVATIONS...53 TO 59 LOWER  
ELEVATIONS. PREVAILING WEST WINDS UP TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
52 TO 67 HIGHER ELEVATIONS...69 TO 76 LOWER ELEVATIONS.  
PREVAILING NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.    
SATURDAY NIGHT  
CLEAR, COLDER. LOWS 35 TO 50 HIGHER  
ELEVATIONS...47 TO 53 LOWER ELEVATIONS. PREVAILING NORTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
SUNDAY...SUNNY, WARMER. HIGHS 56 TO 71 HIGHER ELEVATIONS  
72 TO  
80 LOWER ELEVATIONS. PREVAILING NORTHWEST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 43 TO 58.    
MONDAY  
SUNNY, WARMER. HIGHS 69 TO 84.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 48 TO 63. HIGHS  
71 TO 86.  
 
 
TEMPERATURE / PRECIPITATION  
ALDER SPRINGS 69 48 60 / 0 0 0  
 
 
=  
 
CAZ066-162300-  
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-  
INCLUDING THE CITY OF PARADISE  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 69 TO 81 HIGHER ELEVATIONS  
76 TO  
84 LOWER ELEVATIONS. LIGHT WINDS BECOMING WEST UP TO 10 MPH IN  
THE AFTERNOON.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 50 TO 59. LIGHT WINDS.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS. HIGHS 61 TO 73 HIGHER  
ELEVATIONS...68 TO 76 LOWER ELEVATIONS. PREVAILING WEST WINDS UP  
TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. COLDER. LOWS 44 TO 54. PREVAILING  
NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE NORTH AFTER  
MIDNIGHT. GUSTS UP TO 25 MPH.    
SUNDAY  
SUNNY. HIGHS 66 TO 78. PREVAILING NORTH WINDS UP TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 47 TO 59.    
MONDAY  
SUNNY, WARMER. HIGHS 76 TO 88.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 52 TO 64. HIGHS  
76 TO 91.  
 
 
TEMPERATURE / PRECIPITATION  
PARADISE 77 56 69 / 0 10 20  
 
 
=  
 
CAZ067-162300-  
MOTHERLODE-  
INCLUDING THE CITIES OF GRASS VALLEY AND JACKSON  
1224 AM PDT FRI MAY 16 2025  
   
TODAY  
MOSTLY SUNNY. HIGHS 72 TO 84. LIGHT WINDS BECOMING WEST  
UP TO 10 MPH IN THE AFTERNOON.    
TONIGHT  
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS  
49 TO 55. LIGHT WINDS.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
61 TO 75. PREVAILING SOUTH WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
CLEAR. LOWS 45 TO 51. PREVAILING WEST WINDS UP  
TO 10 MPH IN THE EVENING BECOMING LIGHT.    
SUNDAY  
SUNNY. HIGHS 66 TO 78. LIGHT WINDS BECOMING WEST UP TO  
10 MPH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.    
SUNDAY NIGHT  
CLEAR. LOWS 49 TO 55.    
MONDAY  
SUNNY, WARMER. HIGHS 76 TO 88.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 53 TO 60. HIGHS  
76 TO 91.  
 
 
TEMPERATURE / PRECIPITATION  
GRASS VALLEY 75 51 65 / 0 0 10  
JACKSON 79 51 70 / 0 0 10  
 
 
=  
 
CAZ068-162300-  
WESTERN PLUMAS COUNTY/LASSEN PARK-  
INCLUDING THE CITIES OF CHESTER AND QUINCY  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 54 TO 69 HIGHER ELEVATIONS  
61 TO  
75 LOWER ELEVATIONS. LIGHT WINDS BECOMING WEST UP TO 10 MPH IN  
THE AFTERNOON.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 37 TO 52. LIGHT WINDS.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 44 TO 59 HIGHER  
ELEVATIONS...51 TO 66 LOWER ELEVATIONS. PREVAILING WEST WINDS UP  
TO 10 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN CLEARING.  
COLDER. LOWS 29 TO 44. PREVAILING WEST WINDS UP TO 10 MPH  
SHIFTING TO THE NORTH AFTER MIDNIGHT.    
SUNDAY...SUNNY, WARMER. HIGHS 49 TO 64 HIGHER ELEVATIONS  
56 TO  
70 LOWER ELEVATIONS. PREVAILING NORTHEAST WINDS UP TO 10 MPH  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 33 TO 48.    
MONDAY  
SUNNY, WARMER. HIGHS 62 TO 77.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 40 TO 55. HIGHS  
64 TO 79.  
 
 
TEMPERATURE / PRECIPITATION  
QUINCY 77 46 65 / 10 10 50  
CHESTER 72 42 61 / 10 20 50  
 
 
=  
 
CAZ069-162300-  
WEST SLOPE NORTHERN SIERRA NEVADA-  
INCLUDING THE CITY OF BLUE CANYON  
1224 AM PDT FRI MAY 16 2025  
   
TODAY...MOSTLY SUNNY. HIGHS 53 TO 68 HIGHER ELEVATIONS  
66 TO  
76 LOWER ELEVATIONS. LIGHT WINDS BECOMING WEST UP TO 10 MPH IN  
THE AFTERNOON.    
TONIGHT...MOSTLY CLEAR. LOWS 34 TO 49 HIGHER ELEVATIONS  
46 TO  
54 LOWER ELEVATIONS. PREVAILING WEST WINDS UP TO 10 MPH IN THE  
EVENING BECOMING LIGHT.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. AT LOWER ELEVATIONS, A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. AT HIGHER ELEVATIONS, A CHANCE OF  
RAIN SHOWERS, A SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS  
IN THE AFTERNOON. HIGHS 43 TO 58 HIGHER ELEVATIONS...55 TO  
65 LOWER ELEVATIONS. SNOW LEVEL 7500 FEET IN THE AFTERNOON.  
PREVAILING SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND  
40 MPH...EXCEPT SOUTHWEST UP TO 30 MPH OVER RIDGES.    
SATURDAY NIGHT  
MOSTLY CLEAR. A SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING. COLDER. LOWS 27 TO 42 HIGHER ELEVATIONS...40 TO  
49 LOWER ELEVATIONS. SNOW LEVEL 7500 FEET. PREVAILING WEST WINDS  
UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH IN THE EVENING BECOMING  
LIGHT.    
SUNDAY...SUNNY, WARMER. HIGHS 48 TO 63 HIGHER ELEVATIONS  
60 TO  
70 LOWER ELEVATIONS. PREVAILING NORTH WINDS UP TO 10 MPH SHIFTING  
TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.    
SUNDAY NIGHT  
CLEAR. LOWS 33 TO 48.    
MONDAY  
SUNNY, WARMER. HIGHS 61 TO 76.    
MONDAY NIGHT THROUGH THURSDAY  
CLEAR. LOWS 41 TO 56. HIGHS  
64 TO 79.  
 
 
TEMPERATURE / PRECIPITATION  
BLUE CANYON 66 48 55 / 10 0 30  
 
 
=  
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