Regional Weather Roundup
Issued by NWS

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679
ASUS46 KSTO 121510
RWRCA

NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SACRAMENTO CA
800 AM PDT TUE MAY 12 2026

NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

CAZ001-003-121600-
NORTHWEST AREA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CRESCENT CITY  CLOUDY    52  51  97 S6        30.00  FOG
UKIAH          MOSUNNY   57  52  83 CALM      29.94
$$

CAZ005>008-065-075-121600-
BAY AREA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SANTA ROSA     FOG       51  50  96 S5        29.96  VSB 1/2
NAPA           CLOUDY    53  52  96 NW6       29.95
CONCORD        PTSUNNY   58  51  78 S6        29.93
OAKLAND        CLOUDY    54  51  90 SW8       29.97
SAN FRAN ARPT  CLOUDY    53  51  93 W10       29.96
LIVERMORE      CLOUDY    55  52  89 SW8       29.94
HAYWARD        CLOUDY    55  52  89 NW6       29.96
MOFFETT ARPT   CLOUDY    57  54  88 NW5       29.96S
SAN JOSE ARPT  CLOUDY    58  53  84 CALM      29.96
$$
CAZ009-010-034-037-074-121600-
CENTRAL COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SALINAS        CLOUDY    54  52  93 CALM      29.96R FOG
MONTEREY       CLOUDY    52  51  97 CALM      29.97R
SAN LUIS OBISP CLOUDY    51  50  96 NW3       29.97R FOG
SANTA MARIA    CLOUDY    51  50  96 W7        29.98R FOG
HALF MOON BAY  CLOUDY    52  52 100 W6        29.98
$$
CAZ015-016-121600-
NORTHERN SACRAMENTO VALLEY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
REDDING        SUNNY     68  55  63 NE3       29.88
RED BLUFF      MOSUNNY   68  59  73 NW3       29.90
OROVILLE       MOSUNNY   71  58  63 CALM      29.90
CHICO          SUNNY     72  55  56 NW3       29.90
$$
CAZ016>018-121600-
SOUTHERN SACRAMENTO VALLEY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUBURN         SUNNY     73  54  49 E5        29.93S
BEALE AFB      MOSUNNY   70  59  66 S3        29.87S
LINCOLN          N/A     68  54  60 S8        29.88R
MARYSVILLE     MOSUNNY   67  52  58 SE7       29.88
PLACERVILLE      N/A     75  45  33 CALM      30.00R
SAC INTL ARPT  MOSUNNY   62  52  69 S6        29.88
MATHER AIRPORT SUNNY     63  57  82 S3        29.88S
SAC EXEC ARPT  MOSUNNY   60  52  74 S3        29.89
VACAVILLE      MOSUNNY   64  51  62 SW5       29.89
TRAVIS AFB     SUNNY     58  53  82 SW21      29.87R
$$
CAZ019>021-121600-
SAN JOAQUIN VALLEY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STOCKTON       MOSUNNY   64  58  80 NW3       29.90
MODESTO        SUNNY     68  52  56 NW9       29.89
MERCED         SUNNY     70  51  51 N8        29.88
LEMOORE        MOSUNNY   71  48  43 NW6       29.90
FRESNO         MOSUNNY   71  55  56 E5        29.89
HANFORD        MOSUNNY   71  55  56 CALM      29.90
PORTERVILLE    SUNNY     75  49  39 S5        29.92
BAKERSFIELD    SUNNY     78  43  28 CALM      29.89
$$
CAZ011-012-071-121600-
NORTHERN MOUNTAINS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
YREKA          PTSUNNY   62  44  51 NE9       29.98
MOUNT SHASTA   MOSUNNY   65  50  58 CALM      30.02
ALTURAS        MOSUNNY   56  38  50 CALM      30.11
$$
CAZ011-012-071-121600-
SIERRA NEVADA MTNS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BLUE CANYON    SUNNY     66  41  40 CALM      30.15
TRUCKEE        MOSUNNY   46  39  76 CALM      30.22S
TAHOE VLY ARPT SUNNY     50  41  71 NE5       30.22
MAMMOTH LAKES  SUNNY     61  27  27 E5        30.30S
$$