Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
671 FXUS66 KSTO 072135 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 135 PM PST Fri Nov 7 2025 For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing. .KEY MESSAGES... - Drier and warmer weather over the weekend and into early next week, with patchy morning fog. - Potential for a storm system mid to late next week bringing widespread precipitation, breezy winds, cooler temperatures, and mountain snow. .DISCUSSION... ...Today Through Early Next Week... Dry and warm conditions are expected through early next week, as a ridge builds over western CONUS. Temperatures will be in the low to mid 70s through early next week, with morning lows in the upper 40s to 50s. Occasional breezy offshore winds during the overnight hours, with patchy dense fog within the valley. Confidence is low on the coverage, density, and location of the fog. HREF continues to show the best chances for patchy fog along the foothills of the Sierra Saturday and Sunday morning before winds increase and mix it out by the late morning. ...Mid to Late Week... Ensembles have continued to trend toward the ridge breaking down and a deepening trough pushing into the eastern Pacific Tuesday through next weekend. This brings the potential for beneficial rain, mountain snow, breezy conditions, and cooler temperatures to the Mountains, Foothills, and Valley. Confidence remains low on the timing and duration of the precipitation mid to late next week. None the less, the system that develops next week is worth monitoring and watching as it develops and pushes into western CONUS. .AVIATION... Skies will continue to clear through the TAF period, reaching SKC around 06-09z. Ceilings continue to improve and remain VFR through the TAF period. Winds will be out of the north through the evening and go light and variable overnight. Patchy dense fog will be possible 08-16z for areas along the foothills, but confidence is low. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$