495
ASUS46 KSTO 171710
RWRCA
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 AM PST WED DEC 17 2025
NOTE: FAIR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
CAZ001-003-171800-
NORTHWEST AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
UKIAH SUNNY 57 56 96 E3 30.15S
CAZ005>008-065-075-171800-
BAY AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SANTA ROSA FOG 53 53 100 N3 30.16R VSB<1/4
NAPA CLOUDY 58 57 97 S12 30.19R FOG
CONCORD CLOUDY 59 58 96 S10 30.20R FOG
OAKLAND LGT RAIN 54 54 100 E10 30.22R VSB 1
SAN FRAN ARPT CLOUDY 61 60 97 SW13 30.21R
LIVERMORE LGT RAIN 57 56 96 CALM 30.22R VSB 3/4
HAYWARD LGT RAIN 55 55 100 SE7 30.22R VSB 3/4
MOFFETT ARPT CLOUDY 59 55 88 SE5 30.22R FOG
SAN JOSE ARPT CLOUDY 59 53 80 SE12 30.23R
CAZ009-010-034-037-074-171800-
CENTRAL COAST
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WATSONVILLE CLOUDY 54 53 97 NE3 30.25R FOG
SALINAS CLOUDY 55 54 96 S9 30.24S FOG
MONTEREY CLOUDY 60 59 96 E3 30.24S
SAN LUIS OBISP SUNNY 63 55 77 NW10 30.18F
SANTA MARIA SUNNY 60 58 92 W13 30.19R
CAZ015-016-171800-
NORTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
REDDING FOG 47 46 97 CALM 30.16R VSB 1
RED BLUFF FOG 48 47 96 NW5 30.17R VSB 1/4
OROVILLE CLOUDY 53 50 89 SE17G25 30.17R
CHICO CLOUDY 52 50 93 SE18 30.16R
CAZ016>018-171800-
SOUTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
AUBURN CLOUDY 54 55 100 S7G20 30.20R FOG
BEALE AFB CLOUDY 55 52 89 S20 30.15R
LINCOLN CLOUDY 52 52 100 S17G24 30.16S
MARYSVILLE CLOUDY 50 48 93 SE15G24 30.18R FOG
SAC INTL ARPT CLOUDY 49 47 93 SE13 30.18R FOG
MATHER AIRPORT DRIZZLE 48 48 100 SE12 30.21R
SAC EXEC ARPT CLOUDY 48 46 93 SE10 30.21R FOG
VACAVILLE CLOUDY 51 50 96 S8 30.20R FOG
CAZ019>021-171800-
SAN JOAQUIN VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
STOCKTON CLOUDY 47 47 100 SE10 30.24R FOG
MODESTO CLOUDY 44 42 93 S7 30.25R FOG
MERCED CLOUDY 43 42 97 SE10 30.25F FOG
LEMOORE FOG 41 41 100 CALM 30.28S VSB 1/4
FRESNO FOG 42 42 100 CALM 30.28R VSB 1/4
HANFORD CLOUDY 42 42 100 SE3 30.28F FOG
PORTERVILLE CLOUDY 44 44 100 NW6 30.28R
BAKERSFIELD FOG 41 41 100 CALM 30.25S VSB 1
CAZ011-012-071-171800-
NORTHERN MOUNTAINS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
YREKA MOSUNNY 46 37 71 MISG 30.15R
MOUNT SHASTA CLOUDY 42 41 96 CALM 30.11R
ALTURAS CLOUDY 45 42 89 W14G24 30.09R
CAZ011-012-071-171800-
SIERRA NEVADA MTNS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLUE CANYON LGT RAIN 45 45 100 S13G25 30.24R VSB 1/2
TRUCKEE DRIZZLE 46 43 87 SW9G23 30.16R FOG
TAHOE VLY ARPT LGT RAIN 45 40 82 S20G37 30.18R
MAMMOTH LAKES SUNNY 55 23 28 SW35G51 30.20F
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