Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
974 FXUS66 KSTO 072002 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 102 PM PDT Mon Apr 7 2025 .Discussion... .Synopsis... Isolated shower/thunderstorm chances continue this afternoon and evening across Shasta County and the Sierra/southern Cascades north of Interstate 80. Dry and mild weather then expected to follow through the remainder of the week, returning to seasonable temperatures by the weekend. .Key Messages... * Today: -Probability of isolated thunderstorms: 10-20% in Shasta County through early evening -Forecast rainfall: Additional accumulations of 0.25-0.5" in isolated thunderstorms across Shasta Co., with up to 0.1" possible in light showers elsewhere. -Breezy southerly winds gusting 15-25 mph at times in the Valley and foothills, and 25 to 35 mph over the Sierra Crest * Tuesday - Friday: -Dry and warm weather expected through the remainder of the week with areas of Minor HeatRisk in the Valley -Probability of high temperatures > 80F (Wednesday-Friday): 50-90% across the Delta, Valley, and foothills, highest probabilities on Thursday. * Saturday - Sunday: -Trend toward a somewhat unsettled pattern over the weekend -Cool down to more seasonable temperatures expected, with breezy to potentially gusty northerly winds at times. -Probability of Valley Wind Gusts > 40 mph: 20-50%, highest across northern and central portions of the Sacramento Valley. -Slight chance (10-15%) for light precipitation over Shasta County and the northern mountains. .Changes from previous forecast... * Precipitation chances continue to trend down for the weekend period, while gusty wind potential is trending up at this time. && .AVIATION... Predominantly VFR conditions expected at TAF sites next 24 hours, although some MVFR/IFR in isolated SHRA/TSRA through 03z at RDD and along the Sierra. Snow levels 8000-9000 feet. Breezy southerly surface winds gusting up to 20 kts at times today gradually taper off after 03z. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$