652
FXUS66 KPDT 150528
AFDPDT

Area Forecast Discussion
National Weather Service Pendleton OR
928 PM PST Fri Nov 14 2025

.DISCUSSION...Radar currently shows that the remaining morning
showers dissipated as the region dries out. A stationary front is
situated in Northern Washington state allowing for mid to upper
level clouds to linger around the region, with most places
receiving decks of 5000 to 8000 feet of SCT to OVC conditions. The
upper level pattern will become more zonal as the shortwave
departs the region, allowing for drier conditions going through
Saturday morning, save for some rain showers in the mountain
regions. As the pattern continues to become more zonal, pressure
gradient development allows for breezier winds to develop with
gusts up to 20 to 30 mph for most of the area through Saturday
morning.

The next widespread precip event will be driven by another
shortwave approaching the PacNW late Saturday through early next
week. Surface winds will shift towards the SW, allowing for
abundant moisture transport, increasing PoP chances across the
board at 40 to 70 percent. Snow showers will develop as snow
levels drop to 4500 to 5500 feet going through Monday morning.
Very little accumulation is expected with this system with
guidance suggestion up to a half inch in most places (60 to 80
percent chance). Precip will be on and off through Thursday as the
area is situated between two trough systems. Consequently, the
relatively drier conditions will allow for some effective
radiative cooling, lowering Min Temps midweek below freezing for
much of the area. Things become a bit more uncertain Thursday
onwards as some models disagree on how to handle the second trough
system, regardless a wet, rainy pattern is more than likely to
resume the later part of the week.

&&

.AVIATION...06Z TAFs...VFR conditions are forecast for the next 24
hours at all sites. Low (10-30 percent) chances of light rain at
PDT/ALW/PSC overnight into early Saturday morning, otherwise no
precipitation is forecast. Periods of breezy south to southwest
winds are anticipated at BDN/YKM/ALW/PSC overnight with otherwise
light winds of 10 kts or less. Very low confidence (less than 10
percent) in any fog development tonight, but better chances of
fog/mist will exist Saturday night for DLS/PDT/YKM/ALW/PSC.

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  43  61  39  54 /  10  10   0  40
ALW  48  61  42  53 /  10  20  10  40
PSC  48  62  40  56 /  10  10   0  20
YKM  42  61  42  58 /  20  10  10  20
HRI  46  61  40  54 /  10  10   0  30
ELN  40  58  40  55 /  50  30  30  30
RDM  35  60  31  57 /   0   0   0  20
LGD  40  59  36  56 /  10  10  10  50
GCD  37  62  38  57 /   0   0  10  50
DLS  48  60  45  57 /  40  30  10  40

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...None.
WA...None.
&&

$$

DISCUSSION...95
AVIATION...86