306  
ASUS46 KSTO 220503  
RWRCA  
 
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1000 PM PDT TUE APR 21 2026  
 
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.  
 
CAZ001-003-220600-  
NORTHWEST AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CRESCENT CITY CLOUDY 52 48 86 SE5 30.00R  
UKIAH CLEAR 49 43 80 CALM 30.02R  
 
 
CAZ005>008-065-075-220600-  
BAY AREA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
SANTA ROSA CLEAR 50 46 86 CALM 30.04R  
NAPA PTCLDY 51 48 89 NW3 30.05R  
CONCORD CLEAR 54 46 74 S5 30.05R  
OAKLAND MOCLDY 56 47 71 SW10 30.07R  
SAN FRAN ARPT PTCLDY 54 48 80 SW8 30.06R  
LIVERMORE CLEAR 52 47 83 SW3 30.06R  
HAYWARD MOCLDY 56 47 71 SW7 30.06R  
MOFFETT ARPT PTCLDY 54 48 82 CALM 30.08R  
SAN JOSE ARPT PTCLDY 53 48 83 VRB5 30.08R  
 
CAZ009-010-034-037-074-220600-  
CENTRAL COAST  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
WATSONVILLE LGT RAIN 52 50 93 CALM 30.10R FOG  
SALINAS PTCLDY 55 47 74 N8 30.09R  
MONTEREY MOCLDY 55 48 77 S3 30.10R  
SAN LUIS OBISP PTCLDY 54 51 90 CALM 30.10R  
SANTA MARIA MOCLDY 56 52 86 W6 30.10R  
HALF MOON BAY PTCLDY 55 50 82 W8 30.07R  
 
CAZ015-016-220600-  
NORTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
REDDING LGT RAIN 50 48 93 E7 29.95R  
RED BLUFF CLOUDY 52 43 71 E6 29.98R  
OROVILLE MOCLDY 51 46 83 SE10 30.01R  
 
CAZ016>018-220600-  
SOUTHERN SACRAMENTO VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
AUBURN CLOUDY 46 45 93 SE8 30.04R  
LINCOLN PTCLDY 50 45 81 SE17 30.02R  
MARYSVILLE PTCLDY 50 46 86 SE13 30.02R  
SAC INTL ARPT CLEAR 52 49 89 SE12 30.04R  
MATHER AIRPORT MOCLDY 50 50 100 SE13G18 30.04R  
SAC EXEC ARPT MOCLDY 52 50 93 SE8 30.05R  
VACAVILLE PTCLDY 53 44 71 CALM 30.04R  
TRAVIS AFB CLOUDY 52 46 80 S6 30.02R  
 
CAZ019>021-220600-  
SAN JOAQUIN VALLEY  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
STOCKTON CLEAR 50 50 100 SE6 30.07R  
MODESTO MOCLDY 52 45 77 E12 30.07R  
MERCED PTCLDY 51 48 89 S5 30.07R  
FRESNO MOCLDY 55 47 74 N7 30.08R  
HANFORD CLEAR 52 48 86 CALM 30.08R  
PORTERVILLE CLOUDY 57 50 77 CALM 30.10R  
BAKERSFIELD CLEAR 58 46 64 N14 30.07R  
 
CAZ011-012-071-220600-  
NORTHERN MOUNTAINS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
YREKA MOCLDY 40 39 97 W5 29.93R  
MOUNT SHASTA CLOUDY 39 38 96 CALM 29.92R  
ALTURAS CLOUDY 38 34 85 W12 29.89R WCI 30  
 
CAZ011-012-071-220600-  
SIERRA NEVADA MTNS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
BLUE CANYON SNOW 31 31 100 MISG 30.00R VSB 1/4  
TRUCKEE LGT SNOW 32 32 100 S3 29.97R  
TAHOE VLY ARPT LGT SNOW 31 26 82 VRB7 29.97R WCI 24  
MAMMOTH LAKES LGT SNOW 28 27 93 NW10 29.99R VSB 3/4 WCI 19  
 
 
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