Twain Harte, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

522
FXUS66 KSTO 101933
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
1233 PM PDT Thu Apr 10 2025

.Discussion...

.Synopsis...
Dry and warm weather with areas of Minor HeatRisk in the Valley.
Nonzero chance of isolated light showers on Friday over the
southern Cascades, followed by breezy north winds on Sunday.
Above-normal temperatures continue through next week.

.Key Messages...

* Today - Friday:

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

-Probability of high temperatures > 80F (Today-Friday):
 60-90% across the Delta, Valley, and foothills, highest
 probabilities today

* Friday Evening - Tuesday:

-Dry weather continues except slight chance (10%) for light
  showers across the southern Cascades Friday afternoon and
  evening

-Breezy north winds are expected on Sunday. Probability of
  northerly Wind Gusts > 40 mph: 30-60%, highest in the
  Western Sacramento Valley and on Sunday

-Above-normal temperatures will continue heading into next week

.Changes from previous forecast...

* Northerly wind gust forecast has trended slightly lower for
  Saturday & Sunday

* Increased thunderstorm chances (10-15%) and EC EFI
  (Extreme Forecast Index) signal on Tuesday, mainly over the
  Northern Sac. Valley, Sierra, and adjacent foothills

&&

.AVIATION...

VFR conditions expected next 24 hours at TAF sites with light
winds less than 12 kts anticipated.

&&

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

$$