342
ASUS46 KSTO 171803
RWRCA
NORTHERN AND CENTRAL CA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SACRAMENTO CA
1000 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.
CAZ001-003-171900-
NORTHWEST AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
UKIAH MOSUNNY 60 52 74 W13G20 30.19R
CAZ005>008-065-075-171900-
BAY AREA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
SANTA ROSA CLOUDY 56 56 100 CALM 30.20R FOG
NAPA PTSUNNY 59 58 96 S14 30.21R
CONCORD CLOUDY 61 59 93 S8 30.22R FOG
OAKLAND FOG 57 57 100 SE10 30.24R VSB 1
SAN FRAN ARPT CLOUDY 63 60 90 SW9 30.23R
LIVERMORE CLOUDY 58 57 97 CALM 30.23R FOG
HAYWARD LGT RAIN 57 56 96 SE9 30.24R VSB 3/4
MOFFETT ARPT CLOUDY 59 55 88 SE5 30.24R
SAN JOSE ARPT CLOUDY 59 54 83 SE10 30.24R
CAZ009-010-034-037-074-171900-
CENTRAL COAST
CITY SKY/WX TMP DP RH WIND PRES REMARKS
WATSONVILLE CLOUDY 57 55 93 CALM 30.27S FOG
SALINAS CLOUDY 56 55 97 SE3 30.26R FOG
MONTEREY CLOUDY 63 58 83 NW3 30.26R
SAN LUIS OBISP SUNNY 66 54 63 N13 30.18S
SANTA MARIA SUNNY 64 59 83 W7 30.18F
HALF MOON BAY FOG 59 59 100 S3 30.25R VSB 1/4
CAZ015-016-171900-
NORTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
REDDING CLOUDY 48 46 93 NW3 30.20R FOG
RED BLUFF CLOUDY 49 49 100 W5 30.21R FOG
OROVILLE CLOUDY 54 52 93 SE16G28 30.20R
CHICO CLOUDY 54 54 100 SE16 30.21R
CAZ016>018-171900-
SOUTHERN SACRAMENTO VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
AUBURN FOG 55 55 100 SE12G20 30.22R VSB 3/4
BEALE AFB CLOUDY 58 55 87 S21 30.18R
LINCOLN CLOUDY 54 54 100 S16 30.19R
MARYSVILLE CLOUDY 52 49 89 SE16G22 30.21R FOG
SAC INTL ARPT PTSUNNY 51 48 89 S15G24 30.21R FOG
MATHER AIRPORT CLOUDY 50 50 100 SE14G20 30.22R FOG
SAC EXEC ARPT CLOUDY 50 47 89 SE9 30.24R FOG
VACAVILLE CLOUDY 52 51 97 SE5 30.23R FOG
TRAVIS AFB CLOUDY 52 50 94 SE9 30.21R FOG
CAZ019>021-171900-
SAN JOAQUIN VALLEY
CITY SKY/WX TMP DP RH WIND PRES REMARKS
STOCKTON MOSUNNY 50 50 100 SE8 30.25R FOG
MODESTO CLOUDY 47 43 86 SE9 30.27R FOG
MERCED CLOUDY 44 43 96 VRB6 30.28R FOG
LEMOORE FOG 42 42 100 CALM 30.29R VSB 3/4
FRESNO FOG 43 42 97 CALM 30.28S VSB 3/4
HANFORD CLOUDY 42 42 100 CALM 30.30R FOG
PORTERVILLE CLOUDY 43 43 100 CALM 30.28S
BAKERSFIELD CLOUDY 42 41 96 CALM 30.26R FOG
CAZ011-012-071-171900-
NORTHERN MOUNTAINS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
YREKA SUNNY 48 33 56 NW13 30.17R
MOUNT SHASTA PTSUNNY 44 41 89 CALM 30.15R
ALTURAS CLOUDY 47 41 80 W14G23 30.13R
CAZ011-012-071-171900-
SIERRA NEVADA MTNS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLUE CANYON LGT RAIN 46 46 100 S9 30.27R VSB 1/2
TRUCKEE DRIZZLE 48 43 81 SW8 30.20R FOG
TAHOE VLY ARPT LGT RAIN 48 42 80 S16G33 30.18R
MAMMOTH LAKES SUNNY 57 23 26 SW29G48 30.22R
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