Twain, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

357
FXUS66 KSTO 090941
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
241 AM PDT Wed Apr 9 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 light showers and isolated thunderstorms in the
northern Sacramento Valley and adjacent terrain north of I-80
Friday afternoon and evening, followed by seasonable temperatures
and gusty northerly winds over the weekend.

.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 (Wednesday-Friday):
  50-90% across the Delta, Valley, and foothills, highest
  probabilities on Thursday

* Friday Evening - Monday:

-Transition toward a somewhat unsettled pattern late Friday and
  over the weekend

-Slight chance (10-20%) for light showers and isolated
  thunderstorms across the northern Sacramento Valley and adjacent
  terrain north of Interstate 80 Friday afternoon and evening

-Minor cooling to more seasonable temperatures expected over the
  weekend, with gusty northerly winds

-Probability of northerly Wind Gusts > 40 mph: 40-80%, highest
  in the Sacramento Valley and on Sunday

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

.Changes from previous forecast...

* Precipitation amounts have slightly increased for Friday
  afternoon - evening with shower/thunderstorm chances in the
  northern Sacramento Valley and adjacent foothills/mountains
  north of I-80

* Northerly wind gust forecast has trended slightly higher for
  Sunday

&&

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

&&

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

&&

$$