#SEW #WAwx 457
FXUS66 KSEW 290936
AFDSEW

Area Forecast Discussion
National Weather Service Seattle WA
236 AM PDT Sun Mar 29 2026

.SYNOPSIS...
Weak system moving through later this afternoon into the early
evening hours. High pressure building behind system tonight
remaining over the area into Tuesday. Stronger system moving
down from the northwest arriving Wednesday with cool upper level
low trailing the system Thursday. Weak upper level ridge trying
to build Frida https://mesonet.agron.iastate.edu/p.php?pid=202603290936-KSEW-FXUS66-AFDSEW