#SEW #WAwx 777
FXUS66 KSEW 042144
AFDSEW

Area Forecast Discussion
National Weather Service Seattle WA
244 PM PDT Sat Apr 4 2026

.SYNOPSIS...
Warm and dry conditions prevail through Monday with upper level
ridging. A shortwave moving by to the north Monday evening will
bring in cooler, marine air Monday night. Drier conditions but
more seasonable temperatures return mid-week. Cool nights may
allow for localized frost to freeze conditions in the morning.

&&

.SHORT TE https://mesonet.agron.iastate.edu/p.php?pid=202604042144-KSEW-FXUS66-AFDSEW

PQR issues Area Forecast Discussion (AFD) at Apr 4, 1:34 PM PDT

https://mesonet.agron.iastate.edu/p.php?pid=202604042034-KPQR-FXUS66-AFDPQR

#orwx #wawx

#SEW #WAwx 544
FXUS66 KSEW 041719
AFDSEW

Area Forecast Discussion
National Weather Service Seattle WA
1019 AM PDT Sat Apr 4 2026

.SYNOPSIS...
Upper level ridge building over the area today will remain in
place through the weekend. The ridge will drift east Monday.
Upper level trough moving by to the north Monday night and
Tuesday will induce a marine push. Dry northwesterly flow aloft
Wednesday through Friday with an upper level low well southwest
of Western Washingt https://mesonet.agron.iastate.edu/p.php?pid=202604041719-KSEW-FXUS66-AFDSEW

PQR issues Area Forecast Discussion (AFD) at Apr 4, 10:02 AM PDT

https://mesonet.agron.iastate.edu/p.php?pid=202604041702-KPQR-FXUS66-AFDPQR-AAA

#orwx #wawx

#SEW #WAwx 900
WWUS76 KSEW 041546
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
846 AM PDT Sat Apr 4 2026

WAZ309-317>320-332-041700-
/O.EXP.KSEW.FR.Y.0002.000000T0000Z-260404T1600Z/
Foothills and Valleys of Thurston and Lewis Counties-Olympia and
Southern Puget Sound-Lowlands of Lewis and Southern Thurston
Counties-Middle Chehalis River Valley-Willapa and Black Hills-
Lower Chehalis River Valley-
Including Pe Ell, Grand Mound, Lacey, Montesano, https://mesonet.agron.iastate.edu/vtec/f/2026-O-EXP-KSEW-FR-Y-0002_2026-04-04T15:46Z

#SEW #WAwx 867
WWUS76 KSEW 041246
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
546 AM PDT Sat Apr 4 2026

WAZ309-317>320-332-041600-
/O.CON.KSEW.FR.Y.0002.000000T0000Z-260404T1600Z/
Foothills and Valleys of Thurston and Lewis Counties-Olympia and
Southern Puget Sound-Lowlands of Lewis and Southern Thurston
Counties-Middle Chehalis River Valley-Willapa and Black Hills-
Lower Chehalis River Valley-
Including Morton, Montesano, Lacey, McCleary, Abe https://mesonet.agron.iastate.edu/vtec/f/2026-O-CON-KSEW-FR-Y-0002_2026-04-04T12:46Z

ASTORIA OR Apr 3 Climate Report: High: 57 Low: 41 Precip: Trace Snow: Missing

https://mesonet.agron.iastate.edu/p.php?pid=202604041045-KPQR-CDUS46-CLIAST

#orwx #wawx

PQR issues Area Forecast Discussion (AFD) at Apr 4, 3:30 AM PDT

https://mesonet.agron.iastate.edu/p.php?pid=202604041030-KPQR-FXUS66-AFDPQR

#orwx #wawx