538  
ASUS46 KSTO 170715  
RWRCA  
 
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1200 AM PDT WED SEP 17 2025  
 
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.  
 
CAZ001-003-170800-  
NORTHWEST AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CRESCENT CITY FOG 57 56 96 N3 30.04R VSB 1/4  
ARCATA NOT AVBL  
SHELTER COVE NOT AVBL  
UKIAH CLEAR 66 54 65 CALM 29.98R  
 
 
CAZ006-505>513-170800-  
BAY AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
SANTA ROSA CLEAR 58 54 86 S3 29.95S  
NAPA CLEAR 65 56 72 S5 29.94R  
CONCORD CLEAR 70 56 61 CALM 29.93S  
OAKLAND PTCLDY 61 59 93 NW7 29.96S  
SAN FRAN ARPT PTCLDY 60 57 89 NW10 29.96R  
LIVERMORE CLEAR 69 53 56 CALM 29.94R  
HAYWARD CLEAR 63 59 87 NW3 29.95S  
MOFFETT ARPT PTCLDY 66 61 82 CALM 29.96R  
SAN JOSE ARPT CLEAR 67 61 81 NW8 29.95R  
 
CAZ034-037-514>518-170800-  
CENTRAL COAST  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATSONVILLE FOG 59 58 96 CALM 29.97F VSB 3/4  
SALINAS CLOUDY 60 58 92 NW6 29.97S FOG  
MONTEREY FOG 59 58 96 CALM 29.98S VSB 1  
PT PIEDRAS BLS NOT AVBL  
SAN LUIS OBISP CLEAR 59 56 89 CALM 29.96R  
SANTA MARIA PTCLDY 60 59 96 CALM 29.95F  
HALF MOON BAY FOG 57 57 100 CALM 29.99R VSB 3/4  
 
CAZ015-016-170800-  
NORTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
REDDING CLEAR 69 46 43 N3 29.93S  
RED BLUFF CLEAR 69 50 50 NW7 29.93S  
OROVILLE CLEAR 71 47 42 N5 29.92S  
 
CAZ016>018-170800-  
SOUTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
AUBURN CLEAR 68 43 40 CALM 29.99S  
BEALE AFB CLEAR 71 47 43 N5 29.89R  
LINCOLN CLEAR 63 50 63 CALM 29.90R  
MARYSVILLE CLEAR 69 56 62 CALM 29.90S  
SAC INTL ARPT CLEAR 71 56 58 NE3 29.89R  
MATHER AIRPORT CLEAR 72 54 53 SE6 29.88S  
SAC EXEC ARPT CLEAR 69 50 50 SW3 29.89S  
VACAVILLE CLEAR 68 51 54 CALM 29.90S  
TRAVIS AFB CLEAR 69 53 55 SW10 29.88  
 
CAZ019>021-170800-  
SAN JOAQUIN VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
STOCKTON CLEAR 73 58 59 NW8 29.89S  
MODESTO CLEAR 77 50 38 N6 29.89R  
MERCED CLEAR 74 56 53 NW3 29.89R  
LEMOORE CLEAR 77 49 37 NW12 29.90R  
FRESNO CLEAR 80 51 36 NW7 29.90R  
HANFORD CLEAR 78 51 38 NW8 29.90R  
PORTERVILLE CLEAR 71 54 54 S6 29.92R  
BAKERSFIELD CLEAR 79 49 34 N7 29.91R  
 
CAZ011-012-071-170800-  
NORTHERN MOUNTAINS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
YREKA CLEAR 56 35 45 E3 30.07S  
MOUNT SHASTA CLEAR 50 38 63 CALM 30.12S  
ALTURAS CLEAR 54 38 54 SE5 30.18S  
 
CAZ011-012-071-170800-  
SIERRA NEVADA MTNS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLUE CANYON CLEAR 65 40 39 NE5 30.24S  
TRUCKEE CLEAR 48 37 66 CALM 30.29S  
TAHOE VLY ARPT CLEAR 48 38 68 CALM 30.29S  
MAMMOTH LAKES CLEAR 54 32 43 CALM 30.35S  
 
 
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