FXUS66 KSTO 042130
AFDSTO
Area Forecast Discussion
National Weather Service Sacramento CA
230 PM PDT Fri Jul 4 2025
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
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