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County Warning Area [CWA]: STO
Regional NWS Weather Office: Sacramento, CA
County Warning Area [CWA]: STO
Regional NWS Weather Office: Sacramento, CA
491 FXUS66 KSTO 031903 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 1203 PM PDT Fri Apr 3 2026 For additional details on weather and expected impacts over the next 7 days, please visit weather.gov/sto/briefing. .KEY MESSAGES... - Breezy north to east winds expected into early Saturday morning. Strongest winds expected today. - Dry and warm weather expected into early next week with Minor HeatRisk. - Cooler temperatures and unsettled weather mid to late next week. && .DISCUSSION... ...Today through Early Next Week... Above normal temperatures and dry conditions are anticipated across the region into early next week as ridging remains in place. Breezy northerly winds persist this afternoon, with the strongest along and west of the I-5 corridor in the Sacramento Valley and over the mountains. Gusts up to 20-35 mph have been observed so far today. Northerly winds will gradually diminish later this afternoon into the evening. Breezy downslope winds linger over the Sierra into Saturday morning, with lighter winds elsewhere. Otherwise, daytime highs will be 10-20 degrees above normal through early next week. High temperatures are forecast to rise back into low to mid 80s in the Valley by Saturday through Monday, with Widespread Minor HeatRisk in the Valley, Delta and foothills. Individuals should practice heat safety and use caution and life jackets near cold area waterways. ...Mid to Late Week... Ensembles depict a troughing pattern developing across the area by mid to late week, bringing cooler temperatures and unsettled weather conditions. Confidence is still low with this system. Highest chances for light precipitation appears to be over the northern Sacramento Valley, foothills, and mountains, with the latest NBM highlighting a 40-60% chance of precipitation greater than 0.25 inches for those areas through Thursday. Light showers could potentially linger over the Sierra into Friday. NBM probabilities indicate the potential for thunderstorms on Wednesday (15-30% chance) and Thursday (10-25% chance). Stay tuned for updates as the forecast continues to evolve. && .AVIATION... Widespread VFR conditions expected over the next 24 hours. North to northeast winds will gust 15 to 25 kts through the Valley until around 03Z Saturday. Winds then weaken to less than 12 kts through 18Z Saturday. Over the mountains, northeast to east winds will gust 20 to 35 kts until around 22Z Saturday. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$
| Forecast Discussion from: NOAA-NWS | Script developed by: El Dorado Weather |