Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
879 FXUS66 KSTO 212124 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 224 PM PDT Sat Sep 21 2024 .Synopsis... Warm and dry weather continues into next week with breezy north winds at times for the northern Sacramento Valley and adjacent foothills. Elevated fire weather concerns will be possible early next week in that area. && .Discussion... A warm and dry pattern continues for interior Northern California through early next week as eastern Pacific high pressure ridging builds in. Temperatures will return to above average with highs in the 90s expected through most of the Central Valley with some areas potentially reaching triple digits. This will bring widespread Moderate HeatRisk for Monday and Tuesday. Northerly flow will support some locally breezy north winds in the Valley, mainly in the late-mornings into the afternoons over the weekend, which will lead to gradual lowering of humidity. A little stronger north wind will be possible Monday into early Tuesday which combined with low RH will result in elevated fire weather, conditions. Winds have trended a little less strong the past couple days, though, so concerns have lowered a bit. && .EXTENDED DISCUSSION (Wednesday THROUGH Saturday)... A short wave trough pushes into the PacNW midweek with falling heights over interior NorCal. The result will be increased onshore flow and synoptic cooling. High temperatures will be less hot next week, returning to near normal Wednesday into Thursday. THen slightly warmer conditions forecast Friday into Saturday with dry weather expected through the extended period. && .AVIATION... VFR conditions over interior NorCal next 24 hrs. Sfc wind mainly below 12 kts except N Sac Vly Nly sfc wind gusts to 20 kts at times. Vcnty of Delta, SWly sfc wind 15-20 kts possible tonight. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$