Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
191 FXUS66 KSTO 032123 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 223 PM PDT Thu Jul 3 2025 .DISCUSSION... .SYNOPSIS... 15-20% chance for Shasta County mountain thunderstorms through tonight. Onshore flow will bring cooler, below normal temperatures with locally breezy winds for Friday(Independence Day). Dry weather is expected for Friday. A slow warming trend continues over the weekend into next week. && .KEY MESSAGES... * Thursday evening and night - Slight (10-20%) probability of showers and thunderstorms through early across the mountains of northern Shasta County * Friday(Independence Day) and Weekend: - Quiet, dry weather - Onshore winds will cool temperatures to below average Friday - Winds will be locally breezy at times, strongest through the Delta and over the higher elevations - Slow warming over the weekend into early next week, with continued dry conditions .Changes from previous forecast... - Slightly lower potential for showers and thunderstorms tonight. && .AVIATION... Mainly VFR conditions over interior NorCal next 24 hours. Breezy onshore winds expected today with gusts up to 20-25 kts in the Valley and up to 30 kts in the Delta. Potential for brief MVFR/IFR conditions from isolated showers and thunderstorms over the northern Shasta County mountains and Southern Cascades late this afternoon until 06z Thursday. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$