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.
&&

$$