411
FXUS66 KOTX 192339
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
439 PM PDT Sat Sep 19 2026

.KEY MESSAGES...

- Warm temperatures through Wednesday with afternoon highs in
  the mid 70s to low 80s.

- Temperatures will begin cooling midweek. There is a low
  chance for light showers Friday into the weekend.

&&

.SYNOPSIS...
Warm and dry weather is expected through the middle of next
week with high temperatures through Tuesday in the mid 70s to
low 80s. Wednesday through the weekend, temperatures cool to
normal. Low chance for light showers Friday into the weekend.

&&

.DISCUSSION...
Today through Monday: Expect warmer than normal temperatures through
the rest of the weekend and into next week as the upper level
ridge over the Pacific Northwest stays in place. Skies will be
mostly clear through Monday with no precipitation expected
across the forecast area. Sunday and Monday are expected to be
the warmest days, with high temperatures in the low to mid 80s,
roughly 10 degrees warmer than normal for this time of year.

Tuesday through Saturday: On Tuesday morning, a low will drop
southeast off the British Columbia coast, and lower heights will
brush across the state of Washington through the end of the work
week. Cluster analysis shows a 90 percent chance that the low will
remain far enough off the PNW coast that little to no precipitation
is expected. However, it will result in temperatures dropping
into low 70s by Wednesday, and cloud cover increasing through
the week. On Thursday night into Friday, long- range guidance
favors the low retrograding southwestward into the Pacific and
then moving northeastward. Cluster analysis is divided on the
track of the low; 60 percent of the clusters show the low close
enough to result in chances for light precipitation across the
area Friday into the weekend. The other 40 percent show the area
remaining dry. For right now, the bottom line is: expect
overall dry conditions and temperatures cooling down to normal
by midweek. /AS

&&

.AVIATION...
00Z TAFS: High pressure aloft will deliver VFR conditions
for all TAF sites with passing high clouds. Winds will be light
with speeds generally under 10kts, with locally higher gusts in
the Okanogan Valley south to the Waterville Plateau into the
early evening. The only item of note for 00-02z will be a weak
outflow boundary pushing east to west currently near Orofino, ID
which could result in a brief east wind around 10kts at KLWS-
KPUW if this persists. Confidence is low as this moves away
from the contributing rain cooled air.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence
in VFR conditions. Low confidence for the strength of the
aforementioned outflow boundary noted on satellite at 2340Z near
Orofino, ID. /sb


-----------------------

Confidence descriptors:
Low - Less than a 30 percent chance
Moderate - 30 to 70 percent chance
High - Greater than a 70 percent chance

For additional probabilistic information for NWS Spokane
airports, please refer to the Aviation Dashboard on our
webpage: https:/www.weather.gov/otx/avndashboard

&&

.Preliminary Point Temps/PoPs...
Spokane        50  82  50  83  53  79 /   0   0   0   0   0   0
Coeur d`Alene  51  80  51  81  53  79 /   0   0   0   0   0   0
Pullman        49  80  50  82  51  78 /   0   0   0   0   0   0
Lewiston       54  84  54  86  58  84 /   0   0   0   0   0   0
Colville       45  82  45  83  47  80 /   0   0   0   0   0   0
Sandpoint      48  77  49  78  50  77 /   0   0   0   0   0   0
Kellogg        50  78  51  80  52  78 /   0   0   0   0   0   0
Moses Lake     50  83  51  84  52  80 /   0   0   0   0   0   0
Wenatchee      59  82  59  83  58  78 /   0   0   0   0   0   0
Omak           53  82  53  83  54  79 /   0   0   0   0   0   0

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
WA...None.
ID...None.

&&

$$