000
O 181510
RWRCA
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SACRAMENTO CA
800 AM PDT SUN OCT 18 2026
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
CAZ001-003-181600-
NORTHWEST AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CRESCENT CITY CLOUDY 51 51 100 N5 30.04S FOG
UKIAH CLEAR 45 37 73 CALM 29.99S
CAZ005>008-065-075-181600-
BAY AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SANTA ROSA CLEAR 43 40 89 CALM 29.98S
NAPA CLEAR 46 42 86 CALM 29.98R
CONCORD CLEAR 53 47 79 CALM 29.97R
OAKLAND PTCLDY 54 53 97 NE3 30.00R FOG
SAN FRAN ARPT PTCLDY 58 55 90 W8 29.99R
LIVERMORE CLEAR 52 35 52 E5 29.98R
HAYWARD CLEAR 55 44 66 MISG 29.99R
MOFFETT ARPT CLEAR 55 50 82 CALM 29.99S
SAN JOSE ARPT CLEAR 57 48 72 CALM 29.99S
CAZ009-010-034-037-074-181600-
CENTRAL COAST
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WATSONVILLE PTCLDY 54 45 71 CALM 30.00S
SALINAS MOCLDY 54 44 69 CALM 30.00R
MONTEREY CLEAR 56 46 69 SE3 30.00R
SAN LUIS OBISP CLEAR 56 42 59 CALM 29.98R
SANTA MARIA CLEAR 56 45 66 CALM 29.98S
HALF MOON BAY CLOUDY 55 55 100 E5 30.01R FOG
CAZ015-016-181600-
NORTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
REDDING CLEAR 47 36 65 CALM 29.95S
RED BLUFF CLEAR 53 35 50 NW6 29.97S
OROVILLE CLEAR 55 36 48 CALM 29.97R
CHICO CLEAR 50 36 57 NW5 29.98R
CAZ016>018-181600-
SOUTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
AUBURN CLEAR 64 27 24 E10 30.01S
SAC INTL ARPT CLEAR 48 43 82 NE3 29.95S
MATHER AIRPORT CLEAR 51 40 66 CALM 29.95R
SAC EXEC ARPT CLEAR 52 42 69 SE6 29.95S
VACAVILLE CLEAR 50 39 66 CALM 29.96S
CAZ019>021-181600-
SAN JOAQUIN VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
STOCKTON CLEAR 55 48 77 NE3 29.96R
MODESTO CLEAR 52 46 80 E5 29.95R
MERCED CLEAR 54 41 61 E3 29.96R
LEMOORE N/A 54 36 50 CALM 29.98R
FRESNO PTCLDY 61 42 49 CALM 29.98S
HANFORD CLEAR 52 47 83 CALM 29.98S
PORTERVILLE CLEAR 60 39 45 SE3 30.00R
BAKERSFIELD CLEAR 62 34 35 SE5 29.98R
CAZ011-012-071-181600-
NORTHERN MOUNTAINS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
YREKA CLEAR 33 25 72 CALM 30.07S
MOUNT SHASTA CLEAR 36 30 79 CALM 30.06S
ALTURAS CLEAR 29 16 58 N3 30.13S
CAZ011-012-071-181600-
SIERRA NEVADA MTNS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLUE CANYON CLEAR 58 18 21 S3 30.18STRUCKEE CLEAR 25 19 80 CALM 30.24R
TAHOE VLY ARPT CLEAR 27 17 66 CALM 30.23S
MAMMOTH LAKES CLEAR 28 18 64 CALM 30.28S
ASUS46 KSTO 181510
RWRCA
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SACRAMENTO CA
800 AM PDT SUN OCT 18 2026
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
CAZ001-003-181600-
NORTHWEST AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CRESCENT CITY CLOUDY 51 51 100 N5 30.04S FOG
UKIAH CLEAR 45 37 73 CALM 29.99S
CAZ005>008-065-075-181600-
BAY AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SANTA ROSA CLEAR 43 40 89 CALM 29.98S
NAPA CLEAR 46 42 86 CALM 29.98R
CONCORD CLEAR 53 47 79 CALM 29.97R
OAKLAND PTCLDY 54 53 97 NE3 30.00R FOG
SAN FRAN ARPT PTCLDY 58 55 90 W8 29.99R
LIVERMORE CLEAR 52 35 52 E5 29.98R
HAYWARD CLEAR 55 44 66 MISG 29.99R
MOFFETT ARPT CLEAR 55 50 82 CALM 29.99S
SAN JOSE ARPT CLEAR 57 48 72 CALM 29.99S
CAZ009-010-034-037-074-181600-
CENTRAL COAST
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WATSONVILLE PTCLDY 54 45 71 CALM 30.00S
SALINAS MOCLDY 54 44 69 CALM 30.00R
MONTEREY CLEAR 56 46 69 SE3 30.00R
SAN LUIS OBISP CLEAR 56 42 59 CALM 29.98R
SANTA MARIA CLEAR 56 45 66 CALM 29.98S
HALF MOON BAY CLOUDY 55 55 100 E5 30.01R FOG
CAZ015-016-181600-
NORTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
REDDING CLEAR 47 36 65 CALM 29.95S
RED BLUFF CLEAR 53 35 50 NW6 29.97S
OROVILLE CLEAR 55 36 48 CALM 29.97R
CHICO CLEAR 50 36 57 NW5 29.98R
CAZ016>018-181600-
SOUTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
AUBURN CLEAR 64 27 24 E10 30.01S
SAC INTL ARPT CLEAR 48 43 82 NE3 29.95S
MATHER AIRPORT CLEAR 51 40 66 CALM 29.95R
SAC EXEC ARPT CLEAR 52 42 69 SE6 29.95S
VACAVILLE CLEAR 50 39 66 CALM 29.96S
CAZ019>021-181600-
SAN JOAQUIN VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
STOCKTON CLEAR 55 48 77 NE3 29.96R
MODESTO CLEAR 52 46 80 E5 29.95R
MERCED CLEAR 54 41 61 E3 29.96R
LEMOORE N/A 54 36 50 CALM 29.98R
FRESNO PTCLDY 61 42 49 CALM 29.98S
HANFORD CLEAR 52 47 83 CALM 29.98S
PORTERVILLE CLEAR 60 39 45 SE3 30.00R
BAKERSFIELD CLEAR 62 34 35 SE5 29.98R
CAZ011-012-071-181600-
NORTHERN MOUNTAINS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
YREKA CLEAR 33 25 72 CALM 30.07S
MOUNT SHASTA CLEAR 36 30 79 CALM 30.06S
ALTURAS CLEAR 29 16 58 N3 30.13S
CAZ011-012-071-181600-
SIERRA NEVADA MTNS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLUE CANYON CLEAR 58 18 21 S3 30.18STRUCKEE CLEAR 25 19 80 CALM 30.24R
TAHOE VLY ARPT CLEAR 27 17 66 CALM 30.23S
MAMMOTH LAKES CLEAR 28 18 64 CALM 30.28S
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