Area Forecast Discussion
Issued by NWS Sacramento, CA

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FXUS66 KSTO 231001

Area Forecast Discussion
National Weather Service Sacramento CA
201 AM PST Wed Jan 23 2019

Dry weather with locally breezy northerly winds expected through
the week.


Satellite imagery continues to show the upper ridge amplifying
over the eastern Pacific while a short-wave trough is passing
through the PacNW. Some high clouds are spilling over the ridge
into NorCal, but overall skies are mainly clear. Current
temperatures are milder in the mountains compared to 24 hours ago
while lighter winds are resulting in cooler temperatures through
much of the Central Valley. Readings range from the teens in the
mountain valleys to the mid 30s to mid 40s elsewhere.

Weak disturbances will drop south along the eastern portion of
the upper ridge through the week and cause periodic increases in
north winds. The breeziest period will be tonight and Thursday and
will likely diminish the early morning fog threat much of the


Ridging will lead to quiet weather for the extended part of the
forecast. Warmer than normal temperatures are forecast each
afternoon, with highs for the valley making it into the 60s while
the upper 40s and low 50s will be observed at higher elevations.
Low temperatures will generally be around climatological normals.


High pressure will lead to mostly VFR conditions over the next 24
hours. There is some uncertainty as to whether or not fog will
form this morning, so we`ll be keeping a close eye on TAF sites
from SMF southwards. &&



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