670  
ASUS46 KSTO 160803  
RWRCA  
 
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1200 AM PST TUE DEC 16 2025  
 
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.  
 
CAZ001-003-160900-  
NORTHWEST AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CRESCENT CITY FOG 57 56 96 S12 30.24R VSB 1  
UKIAH CLOUDY 53 47 79 CALM 30.24F  
 
 
CAZ005>008-065-075-160900-  
BAY AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
SANTA ROSA FOG 42 41 96 CALM 30.26F VSB 3/4  
NAPA CLOUDY 42 42 100 CALM 30.28R FOG  
CONCORD CLOUDY 43 42 97 N5 30.28S  
OAKLAND PTCLDY 46 44 93 NW6 30.26R  
SAN FRAN ARPT PTCLDY 50 46 86 N6 30.25S  
LIVERMORE CLEAR 41 39 93 CALM 30.25S  
HAYWARD CLEAR 46 42 86 CALM 30.25R  
MOFFETT ARPT CLEAR 46 45 93 CALM 30.25R  
SAN JOSE ARPT CLEAR 45 43 93 CALM 30.25S FOG  
 
CAZ009-010-034-037-074-160900-  
CENTRAL COAST  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATSONVILLE CLEAR 47 44 90 NW5 30.22S  
SALINAS CLEAR 47 44 90 S5 30.19F  
MONTEREY CLEAR 53 41 63 VRB3 30.21F  
SAN LUIS OBISP CLEAR 55 38 52 SE6 30.14F  
SANTA MARIA CLEAR 50 43 77 S6 30.14R  
HALF MOON BAY PTCLDY 48 48 100 N3 30.23S  
 
CAZ015-016-160900-  
NORTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
REDDING MOCLDY 44 42 93 CALM 30.22F FOG  
RED BLUFF FOG 42 42 100 S3 30.26F VSB 1/4  
OROVILLE FOG 42 41 96 SE6 30.28F VSB 1  
 
CAZ016>018-160900-  
SOUTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
AUBURN FOG 37 37 100 CALM 30.24S VSB 0  
BEALE AFB CLOUDY 43 42 96 CALM 30.27F FOG  
LINCOLN CLOUDY 41 41 100 CALM 30.28S VSB 1/2  
MARYSVILLE FOG 42 41 96 SE5 30.29S VSB 1/4  
SAC INTL ARPT FOG 42 42 100 SW5 30.28S VSB 1/4  
MATHER AIRPORT FOG 43 43 100 CALM 30.27S VSB 1/2  
SAC EXEC ARPT CLOUDY 43 42 97 CALM 30.28F  
VACAVILLE FOG 42 42 100 SE3 30.29R VSB 1/2  
TRAVIS AFB FOG 43 42 95 SW3 30.26S VSB 1/2  
 
CAZ019>021-160900-  
SAN JOAQUIN VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
STOCKTON CLOUDY 43 43 100 S7 30.27F FOG  
MODESTO CLOUDY 42 40 92 S5 30.27F FOG  
MERCED CLOUDY 41 41 100 S5 30.28F FOG  
LEMOORE CLOUDY 43 41 93 NE3 30.30S  
FRESNO CLOUDY 43 41 93 E5 30.29F FOG  
HANFORD CLOUDY 42 41 96 CALM 30.30F FOG  
PORTERVILLE CLOUDY 44 44 100 CALM 30.29F  
BAKERSFIELD CLOUDY 43 42 97 S3 30.30R FOG  
 
CAZ011-012-071-160900-  
NORTHERN MOUNTAINS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
YREKA FOG 38 38 100 S5 30.27S VSB 1/4 WCI 34  
MOUNT SHASTA MOCLDY 42 39 89 CALM 30.25F  
ALTURAS CLOUDY 41 37 86 CALM 30.28S  
 
CAZ011-012-071-160900-  
SIERRA NEVADA MTNS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLUE CANYON CLEAR 54 39 57 NE3 30.33F  
TRUCKEE PTCLDY 28 27 93 CALM 30.38S  
TAHOE VLY ARPT PTCLDY 27 26 96 CALM 30.38F  
MAMMOTH LAKES CLEAR 28 12 50 NW5 30.38F WCI 23  
 
 
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