Yolo, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

081
FXUS66 KSTO 211954
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
1254 PM PDT Wed May 21 2025

.Discussion...

.Synopsis...
Areas of Moderate HeatRisk in the Valley today before
temperatures fluctuate between near and slightly above normal
late week into the weekend as a more progressive pattern sets up
aloft. Periods of breezy weather with dry conditions continue
throughout the week maintaining elevated fire weather concerns.

&&

* Today:

 -Above normal high temperatures in the 80s to low 90s today,with
  Valley highs into the mid 90s and isolated areas of Moderate
  HeatRisk.
 -Very dry conditions and diurnally breezy winds expected as
  elevated fire weather conditions persist.

* Thursday - Sunday:

 -Quick moving, dry shortwaves bring periods of breezy to briefly
  gusty onshore winds Thursday and Friday.

 -Probability of South-Southwest Wind Gusts > 30 mph:
 -Thursday: 60-90%, across the Delta and W. Sacramento Valley
 -Friday: 30-60%, across Delta and vicinity area

 -Despite marginal improvements in RH from onshore flow, elevated
  fire weather conditions likely continue through much of the week,
  especially during periods of strongest winds as systems move
  through.

 -Fluctuating temperatures expected, with a brief cooling trend
  Thursday-Friday then returning to 80s to low 90s this weekend
  into early next week.

.Changes from previous forecast...
 *No major changes from previous forecast

&&

.AVIATION...
VFR conditions with mostly clear skies will continue to prevail
across interior Northern California over the next 24 hours. Winds
below 12 kts are expected for TAF sites, with diminishing
northerly winds into the evening followed by an onshore breeze.
Southwesterly gusts to 20 kts are possible for the Delta, 25 kts
over the Sierra crest.

&&

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

&&

$$