464
FXUS66 KOTX 080640
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1140 PM PDT MON SEP 7 2026
KEY MESSAGES
- A WARMING AND DRYING TREND WITH BREEZY AFTERNOONS EXPECTED FOR
TUESDAY THROUGH THURSDAY.
- ANOTHER ROUND OF COOL SHOWERY CONDITIONS RETURN LATE WEEK FOR
FRIDAY AND THE WEEKEND.
SYNOPSIS
A WARMING AND DRYING TREND COMMENCES AROUND THE MIDDLE OF THE WEEK
AS HIGHER PRESSURE RETURNS TO THE REGION. INCOMING SYSTEM WILL BRING
ANOTHER ROUND OF WIDESPREAD PRECIP AND COOLER TEMPERATURES FOR THE
WEEKEND.
DISCUSSION
TODAY AND TONIGHT: IT WILL BE A TRANSITION PERIOD. A RIDGE WILL
BE NUDGING INTO THE REGION BEHIND THE EXITING LOW. IT WILL
PROMOTE A DRY ,WARMING TREND FROM WEST TO EAST THROUGH THE DAY.
NORTHEAST WA AND NORTH IDAHO PANHANDLE WILL HAVE LINGERING
SHOWER ACTIVITY THROUGH THE MID MORNING POTENTIALLY BRINGING
ANOTHER 0.1-0.2 OF PRECIP. ANY SHOWER ACTIVITY WILL DIMINISH BY
THE EARLY AFTERNOON. HIGHS WILL START A UPWARD TREND FROM
MONDAY. HIGHS FOR THE DAY WILL BE IN THE 70S. OVERNIGHT LOWS
WILL BE IN THE 40S TO LOW 50S.
WEDNESDAY AND THURSDAY: WINDS WILL BE MAIN CONCERN WEDNESDAY
AND THURSDAY. FOR WEDNESDAY, SOUTH TO NORTH WINDS WILL BRING
BREEZY CONDITIONS ACROSS THE WATERVILLE PLATEAU AND OKANOGAN
VALLEY. SUSTAINED WINDS WILL BE IN THE TEENS WITH GUSTS UP TO 25
MPH. THURSDAY WILL BEGIN THE BREAKDOWN OF THE STABLE PATTERN AS
A TROUGH BEGINS TO PRESS INTO THE REGION FROM BC/ALBERTA. IT
WILL BRING A TIGHTENING PRESSURE GRADIENT AND STRONGER WINDS.
FOR THURSDAY, WESTERLY WINDS SPREAD ACROSS THE BASIN WITH
SUSTAINED IN THE TEENS WITH GUSTS UP TO 30 MPH. LOCALLY HIGHER
WINDS ARE POSSIBLE OVER THE WATERVILLE PLATEAU WITH GUSTS UP TO
40 MPH. BLOWING DUST COULD BE A CONCERN IN THE AREA. OTHER
IMPACTS INCLUDE CHOPPY WATERS AND FIRE CONCERNS THAT MISSED ON
LAST WEEKENDS RAIN. THESE WILL BE THE WARMEST DAYS OF THE WEEK.
HIGHS WILL CLIMB BACK INTO THE UPPER 70S AND LOW 80S. OVERNIGHT
LOWS WILL BE IN THE UPPER 40S AND 50S ON WEDNESDAY NIGHT.
THURSDAY NIGHT WILL BE COOLER IN THE 40S. SHELTERED AREAS IN THE
NORTHERN VALLEYS COULD DIP INTO THE UPPER 30S.
FRIDAY AND SATURDAY: A LOW WILL PUSH THROUGH THE REGION AS THE
TROUGH CONTINUES TO DEEPEN OVER THE PACIFIC NORTHWEST. A WEAK
WAVE MOVES ACROSS THURSDAY NIGHT INTO FRIDAY, THEN THE LOW DIGS
DOWN THE COAST FRIDAY NIGHT INTO EARLY SATURDAY BEFORE SWINGING
INLAND SATURDAY AFTERNOON INTO SUNDAY. A FEW SHOWERS ARE
POSSIBLE AROUND THE MOUNTAINS WITH THE FIRST WAVE, BUT BETTER
CHANCES EXPAND OUT FRIDAY NIGHT INTO SATURDAY, BEFORE STARTING
TO RETREAT TO THE MOUNTAINS AND WANE SUNDAY INTO MONDAY. SOME
MODERATE RAINS ARE POSSIBLE AROUND THE MOUNTAIN ZONES SATURDAY,
WITH LIGHTER AMOUNTS ELSEWHERE. EMBEDDED T-STORMS ARE POSSIBLE
AND MAY PRODUCE LOCALLY HIGHER AMOUNTS. SATURDAY IS ALSO
FORECAST TO BE ANOTHER BREEZY DAY. TEMPERATURES COOL TO THE
UPPER 60S AND 70S FRIDAY, MOSTLY 60S AND LOCALIZED LOW 70S
SATURDAY, BEFORE MODERATING INTO SUNDAY AND MONDAY. LOWS WILL
CONTINUE TO BE IN THE 40S. SHELTERED AREAS IN THE NORTHERN
VALLEYS COULD DIP INTO THE UPPER 30S. /JDC
AVIATION
06Z TAFS: A BAND OF SHOWERS IS MOVING WEST-EAST THROUGH
KGEG/KSFF/KCOE. SHOWERS ARE EXPECTED TO CONTINUE IN THE AREA
THROUGH 09Z. VFR CONDITIONS EXPECTED AS WESTERLY WINDS ADVECT
DRIER AIR IN THE BOUNDARY LAYER ACROSS THE REGION FOR
KGEG/KSFF/KCOE/KPUW/KLWS. CONTINUED DOWNSLOPE NORTHWEST WINDS
OFF THE CASCADES INTO KEAT/KMWH WILL ALLOW VFR CONDITIONS TO
CONTINUE.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: MODERATE TO HIGH
CONFIDENCE FOR VFR CONDITIONS FOR KGEG/KSFF/KCOE. THERE IS A
LOW PROBABILITY FOR MVFR FROM 09-14Z.
-----------------------
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 68 49 71 46 77 52 / 60 70 30 0 0 0
COEUR D'ALENE 63 50 68 46 75 48 / 90 80 50 0 0 0
PULLMAN 64 43 69 44 76 47 / 60 10 10 0 0 0
LEWISTON 71 49 76 49 83 54 / 50 0 0 0 0 0
COLVILLE 69 43 73 42 77 45 / 50 40 0 0 0 0
SANDPOINT 59 45 66 41 73 44 / 90 100 60 0 0 0
KELLOGG 58 47 64 45 73 48 / 100 60 60 0 0 0
MOSES LAKE 75 48 77 48 81 52 / 10 0 0 0 0 0
WENATCHEE 76 53 78 56 83 60 / 0 0 0 0 0 0
OMAK 76 50 79 51 81 55 / 10 0 0 0 0 0
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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