315
FXUS66 KSTO 042020
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
120 PM PDT Fri Apr 4 2025

.Discussion...

.Synopsis...
Warm and mild weather expected through weekend`s end with light
north winds at times. A weak system will bring light
precipitation to interior Northern California late Sunday into
Monday, mainly over the foothills and mountains north of I-80.

.Key Messages...

* Drier and warmer weather through the weekend.

* Chances for Valley Highs > 75 Degrees: 50-90% across Northern
  and Central Sacramento Valley on Saturday, with 30-50% across
  the southern Sacramento and northern San Joaquin valleys.
  60-100% chance across the Valley on Sunday.

* Sunday PM - Monday: A weak system will bring clouds and light
  precipitation to areas north of I-80, especially over the
  foothills and mountains. 24-Hour Probability of precipitation
  amounts > 0.25" (Sunday- Monday): 30-70% across the mountains,
  foothills, and northern Sacramento Valley.

* Slight chance of thunderstorms (10-15%) in the northern
  Sacramento Valley and adjacent foothills Monday afternoon and
  evening.

* Mild and dry conditions Tuesday into late next week.

.Changes from previous forecast...

* Precipitation amounts decreased slightly for Sunday PM-Monday.

* Isolated thunderstorm chances (10-15%) on Monday.

&&

.AVIATION...
VFR conditions prevail over interior NorCal for next 24 hours.
Sustained surface winds 12 knots or less. Northerly gusts of 20
knots possible through 03z Saturday.

&&

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

$$