Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
400 FXUS66 KSTO 200845 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 145 AM PDT Sun Apr 20 2025 .Discussion... .Synopsis... A progressive upper level pattern persists through this weekend and into next week. As such, dry and mild weather prevails through midweek. Upper-level troughing then moves in leading to cooler temperatures and chances for unsettled weather late week into next weekend. && .Key Messages... * Today-Wednesday: Periodically breezy winds alongside above normal temperatures and areas of Minor HeatRisk. -Probability of high temperatures 80 degrees F or higher: 50-85% (Sunday & Wednesday) and 70-100% (Monday-Tuesday). -Diurnally driven winds resume with increasing Delta breeze flow in the afternoons and evenings today and into next week. Winds gusting 15-25 mph at times. * Thursday-Next Weekend: Cooling trend with periodically breezy onshore winds. Isolated to scattered showers and a nonzero chance for isolated mountain thunderstorms possible Friday into next weekend, primarily north of Interstate 80 and along higher terrain. .Changes from previous forecast... * No significant updates && .AVIATION... Primarily VFR conditions expected to prevail next 24 hours across interior NorCal, although 30% probability of MVFR/IFR cigs through Delta, Sacramento metro, and northern San Joaquin Valley through 16z. Onshore southerly winds generally 12 kts or less much of the day become northerly after 06z. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$