677
FXUS66 KSTO 052016
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
116 PM PDT Sun Oct 5 2025

.SYNOPSIS...
Warming trend continues into early this week, with periods of
breezy north to east winds into Tuesday. Chances for unsettled
and cooler weather return late next week into next weekend.

&&

.KEY MESSAGES...


* TODAY THROUGH WEDNESDAY:

 - Dry conditions and seasonal temperatures prevail through mid-
   week. High temperatures will trend warmer through early this
   week, with Valley high temperatures in the 80s by Monday and
   Tuesday.

 - Periods of breezy north to east winds are expected through
   Tuesday, mainly during the morning and late evening hours.
   Breeziest areas will be through the northern and central
   Sacramento Valley along and west of I-5, as well as through
   gaps/canyons over the western slopes of the Sierra.

 - Temperatures trend cooler on Wednesday, with locally breezy
   onshore winds.


* THURSDAY-SATURDAY

 - Clusters and ensembles depict an upper low approaching the
   region late next week which may bring chances for light
   precipitation and cooler temperatures, however forecast
   confidence is still low.

 - Precipitation impacts look to be minimal, with best chances
   over the northern Sacramento Valley, foothills, and mountains.
   NBM is currently advertising a 35-65% chance of precipitation
   amounts 0.25" or more over the foothills and mountains.

 - Temperatures will trend cooler late week into next weekend,
   with Valley high temperatures in the 70s. Periods of breezy
   onshore winds are anticipated as well.


.AVIATION...
VFR conditions across interior NorCal next 24 hours. Breezy
northerly wind gusts 15-20 kts across portions of the northern and
central Sacramento Valley until 00z Monday and again after 12z
Monday. Northeast to east wind gusts 20-30 kts over the mountains
from 04z Monday until 18Z Tuesday. Elsewhere, surface winds
generally remain at or below 12 kts.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$