Area Forecast Discussion
Issued by NWS Spokane, WA

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708
FXUS66 KOTX 012254
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
354 PM PDT Mon Sep 1 2025

.KEY MESSAGES...

- Hot temperatures next week, locally near 100, with Major to
  locally extreme HeatRisk. Record high temperatures for
  September possible for multiple locations.

&&

.SYNOPSIS...

High temperatures will climb back into the upper 90s to near
100 degrees through much of the work week.

&&

.DISCUSSION...

...HOT WEATHER WITH WIDESPREAD MAJOR HEATRISK NEXT WEEK...

Today through Monday: Hot temperatures in the 90s to 100s will
continue through much of the week thanks to a strong high pressure
ridge. The hottest two days appear to be tomorrow and Wednesday with
some deeper valley locations pushing 105+ degrees (L-C valley
and Wenatchee River valley). Am monitoring the potential for
showers and thunderstorms Wednesday night and Friday night as a
pair of shortwaves moves north through OR and into Washington.
70 percent of ensembles indicate the potential for another ridge
forming early next week which would bring more warm weather. db



&&

.AVIATION...
00Z TAFS: VFR conditions will prevail. Small airfields in
northeast Washington will experience periods of MVFR conditions
from smoke from regional fires.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS:
High confidence in VFR conditions at the TAF sites.

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

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:/weather.gov/otx/avndashboard

&&

.Preliminary Point Temps/PoPs...
Spokane        65 100  64  99  64  97 /   0   0   0   0   0   0
Coeur d`Alene  65 101  64  99  63  97 /   0   0   0   0   0   0
Pullman        60  97  61  97  61  95 /   0   0   0   0   0   0
Lewiston       69 103  70 103  69 100 /   0   0   0   0   0   0
Colville       54 100  55 101  54  97 /   0   0   0   0   0   0
Sandpoint      60  96  58  97  58  93 /   0   0   0   0   0   0
Kellogg        67  98  68  97  68  94 /   0   0   0   0   0   0
Moses Lake     62  98  62 101  64  99 /   0   0   0   0   0   0
Wenatchee      70  99  72 101  73  99 /   0   0   0   0   0   0
Omak           67 103  67 103  69 101 /   0   0   0   0   0   0

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
WA...Heat Advisory until 8 PM PDT Thursday for Central Chelan
     County-Northeast Mountains-Okanogan Highlands-Spokane
     Area-Upper Columbia Basin-Washington Palouse-Waterville
     Plateau-Western Okanogan County.
     Extreme Heat Warning until 8 PM PDT Thursday for Lower
     Garfield and Asotin Counties.
     Heat Advisory until 11 AM PDT Tuesday for Moses Lake Area-
     Okanogan Valley-Wenatchee Area.
     Extreme Heat Warning from 11 AM Tuesday to 8 PM PDT Thursday
     for Moses Lake Area-Okanogan Valley-Wenatchee Area.
     Air Quality Alert until 11 AM PDT Friday for Northeast
     Mountains.
ID...Heat Advisory until 8 PM PDT Thursday for Central Panhandle
     Mountains-Coeur d`Alene Area-Idaho Palouse-Lewis and
     Southern Nez Perce Counties-Northern Panhandle.
     Air Quality Alert until 10 AM PDT Tuesday for Lewis and
     Southern Nez Perce Counties-Lewiston Area.
     Extreme Heat Warning until 8 PM PDT Thursday for Lewiston Area.

&&

$$