Viola, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

729
FXUS66 KSTO 082017
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
117 PM PDT Tue Apr 8 2025

.Discussion...

.Synopsis...
Dry and warm weather through the remainder of the week with areas
of Minor HeatRisk in the Valley. Somewhat unsettled weather
pattern brings potential for light showers and isolated
thunderstorms north of I-80 Friday evening, followed by seasonable
temperatures and breezy to gusty winds into the weekend.

.Key Messages...

* Today:

-Dry weather with seasonable temperatures and light winds

*Wednesday - Friday:

-Dry and warm weather expected through the remainder of the week
  with areas of Minor HeatRisk in the Valley

-Probability of high temperatures > 80F (Wednesday-Friday):
  50-90% across the Delta, Valley, and foothills, highest
  probabilities on Thursday

* Friday Evening - Monday:

-Transition toward a somewhat unsettled pattern over the weekend
  and into early next week.

-Slight chance (10-15%) for light showers and isolated
  thunderstorms across Shasta County and adjacent terrain north of
  Interstate 80 Friday afternoon and evening.

-Cool down to more seasonable temperatures expected by the
  weekend, with breezy to gusty north to east winds at times

-Probability of northerly Wind Gusts > 40 mph: 25-55%, highest in
  the Sacramento Valley and on Sunday

-Gradual warming trend by early next week, with near to slightly
  above normal temperatures expected.

.Changes from previous forecast...

* Isolated shower/thunderstorm chances across Shasta Co./northern
  mountains for Friday afternoon/evening.

&&

.AVIATION...

VFR conditions expected next 24 hours at TAF sites with light
winds less than 12 kts anticipated. Wind direction expected to
shift from southerly to predominantly northerly after 06z
Wednesday.

&&

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

$$