230
FXUS66 KSTO 252102
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
102 PM PST Tue Nov 25 2025

.KEY MESSAGES...

 - Dry conditions prevail this week, with periods of morning
   Valley and adjacent foothills fog

 - Seasonable temperatures and dry weather favored for
   Thanksgiving Day

 - Decreasing chances for precipitation but breezy winds expected
   this weekend

&&

.DISCUSSION...

...Today-Friday...
GOES-WEST imagery shows lingering patchy fog and low stratus at
the time of this writing again Tuesday morning. Visibility will
continue to improve through the afternoon with a similar round of
fog expected across the Delta, Central Valley, and adjacent
foothills Wednesday morning. Current guidance has the denser
portion of fog existing north of Interstate 80, along Interstate 5
with a 50-70% chance of visibilities less than a half-mile.
Outside of the morning fog, seasonable high temperatures with
periods of offshore winds are expected to continue through the
week.

...This Weekend - Early Next Week...
Minimal impacts continue to be main forecast in the extended with
seasonable temperatures and breezy winds. Latest ensemble
guidance has the trough not as deep into the southwest, lowering
our already light precipitation chances for this weekend.
Currently, Sunday into Monday will the breeziest period of with
gusts up to 30 in the Valley and over the mountains. We will
continue to monitor for any changes to this system, so be sure to
check back for updates and for local forecast information at
weather.gov/sto.

&&


.AVIATION...

VFR/MVFR conditions through about 08z, then IFR/LIFR expected in
FG/BR across the Delta, Sacramento, & northern San Joaquin Valleys
through 19z Wednesday. Light and variable winds generally less
than 12 kts across interior NorCal for the next 24 hours.
&&

.STO WATCHES/WARNINGS/ADVISORIES...
Dense Fog Advisory from midnight tonight to 11 AM PST Wednesday
for Carquinez Strait and Delta-Central Sacramento Valley-
Northern San Joaquin Valley-Southern Sacramento Valley.

&&

$$