Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
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. && $$