Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
376 FXUS66 KSTO 042130 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 230 PM PDT Fri Jul 4 2025 .DISCUSSION... .SYNOPSIS... Dry and breezy with below normal temperatures for the rest of today. There is a small (~10%) chance for the far northern Shasta County mountain thunderstorms this afternoon. Onshore flow will continue to bring cooler, below normal temperatures with locally breezy winds for Saturday, with dry weather. A slow warming trend continues over the weekend into Monday with near normal temperatures. && .KEY MESSAGES... * Friday(Independence Day)- Friday night - Mainly dry, mostly clear with breezy onshore winds and below normal temperatures - Slight (10%) probability of showers and thunderstorms through early evening across the mountains of northern Shasta County * Weekend - Monday: - Quiet, dry weather - Onshore winds will keep temperatures below average Saturday - Winds will be locally breezy at times, strongest through the Delta and over the higher elevations - Slow warming Sunday into Monday, with continued dry conditions * Tuesday - Friday: - Increased onshore flow with below normal temperatures. Temperatures trend up by the end of the week with above normal highs and widespread Moderate HeatRisk by Thursday .Changes from previous forecast... - Cooler, below normal temperatures for Tuesday && .AVIATION... VFR conditions across interior NorCal next 24 hours. Periods of breezy onshore winds with gusts up to 30 knots in the Delta vicinity; gusts up to around 25 knots in northern/central Sacramento Valley, until around 10z Saturday. Gusts up to 35 knots across the peaks of the Sierra next 24 hours. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$