542
FXUS66 KOTX 070614
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1114 PM PDT SUN SEP 6 2026
KEY MESSAGES
- COOL AND SHOWERY WEATHER EXPECTED THROUGH MONDAY WITH ISOLATED
THUNDERSTORMS.
- A WARMING AND DRYING TREND RETURNS AROUND THE MIDDLE OF NEXT
WEEK.
SYNOPSIS
ACTIVE WEATHER STICKS AROUND FOR LABOR DAY WITH SCATTERED
SHOWERS, ISOLATED THUNDERSTORMS, AND COOLER THAN NORMAL
TEMPERATURES. A WARMING AND DRYING TREND COMMENCES AROUND THE
MIDDLE OF NEXT WEEK AS HIGHER PRESSURE RETURNS TO THE REGION.
DISCUSSION
TODAY AND TONIGHT: THE LOW IS CURRENTLY POSITIONED OVER CENTRAL
WASHINGTON AND WILL CONTINUE TO SLIDE EAST THROUGH MONDAY. FOR
MONDAY, PRECIP CHANCES WILL DECREASE THROUGH DAY AS DRIER AIR
FILLS IN BEHIND THE THE EXITING SYSTEM FROM WEST TO EAST. PRECIP
CHANCES WILL BE HIGHEST OVER THE IDAHO PANHANDLE AND NORTHEAST
WASHINGTON. 24-HOUR 25-75 PERCENT PROBABILITIES FOR MONDAY HAVE
THE IDAHO PANHANDLE RANGING FROM 0.3-1 INCH. EXTREME EASTERN
WASHINGTON, INCLUDING SPOKANE AND PULLMAN, RANGES FROM 0-0.4 OF
AN INCH. THE CENTRAL BASIN AND CASCADES HAS ONLY REACHES A FEW
HUNDREDTHS. WINDS WILL INCREASE SOME MONDAY. WEST WINDS OF 10-15
MPH WITH GUSTS OF 15 TO 25 MPH WILL BE POSSIBLE, ESPECIALLY THE
UPPER COLUMBIA BASIN, PALOUSE AND THE SPOKANE/CDA AREA. HIGHS
MONDAY WILL BE IN THE UPPER 50S AND 60S OVER THE EAST THIRD OF
WA AND ID, WHILE CENTRAL WA WILL SEE UPPER 60S AND 70S.
TUESDAY THROUGH THURSDAY: THE ENSEMBLES ARE IN DECENT AGREEMENT
FOR THE EXTENDED. A FLAT RIDGE PATTERN WILL SET UP OVER THE
REGION AS THE LOW EXITS. IT WILL LEAD TO DRY, WARMING TREND
THROUGH THE END OF THE WEEK. 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. FOR THURSDAY, THE WINDS SPREAD ACROSS THE BASIN
WITH SUSTAINED IN THE TEENS WITH GUSTS UP TO 30 MPH. LOCALLY
STRONGER WINDS ARE POSSIBLE OVER THE WATERVILLE PLATEAU WITH
GUSTS UP TO 40 MPH. BLOWING DUST COULD BE A CONCERN IN THE AREA.
PRECIP CHANCES WILL BE LESS THAN 10 PERCENT THROUGH THURSDAY.
HIGHS WILL BE IN THE 70S FOR TUESDAY AND CLIMB INTO THE UPPER
70S AND 80S FOR WEDNESDAY AND THURSDAY. OVERNIGHT LOWS WILL BE
IN THE 40S TO LOW 50S.
FRIDAY AND SATURDAY: ANOTHER TROUGH WILL DROP IN FROM BC FRIDAY
AS REMNANTS OF TROPICAL SYSTEM BEGIN TO PRESS MOISTURE INTO THE
PACIFIC NORTHWEST. IT IS LEADING TO INCREASING PRECIP CHANCES
GOING INTO THE WEEKEND. NBM THUNDERSTORM POTENTIAL IN AROUND
10-20 PERCENT ACROSS THE INLAND NORTHWEST WITH HIGHEST PERCENTS
OVER NORTHEAST WA AND IDAHO PANHANDLE LATE FRIDAY AND SATURDAY.
IT IS TOO EARLY TO HAVE MUCH CONFIDENCE. HIGHS WILL TREND COOLER
FOR THE WEEKEND WITH UPPER 60S AND 70S EXPECTED. LOWS EXPECTED
TO BE IN THE UPPER 30S AND 40S. /JDC
AVIATION
06Z TAFS: WITH A SATURATED BOUNDARY LAYER OVERNIGHT STRATUS AND
PATCHY FOG ARE EXPECTED TO BRING PERIODS OF MVFR CIGS AND VIS
FOR KGEG/KSFF/KCOE/KPUW. VFR CONDITIONS ARE EXPECTED FOR
KEAT/KMWH/KLWS. VFR CONDITIONS EXPECTED FOR ALL TAF SITES AFTER
1700Z. AS THE SYSTEM CONTINUES TO PRESS THROUGH THE REGION FOR
MONDAY, SHOWERS ARE EXPECTED TO CONTINUE ACROSS EASTERN WA AND
NORTH ID. AN ISOLATED THUNDERSTORM IS POSSIBLE WITH AFTERNOON
CONVECTION BUT NOT EXPECTED TO IMPACT TAF SITES. LATE MORNING
WINDS WILL BE IN THE TEENS WITH GUSTS NEAR 20 KTS FOR MOST SITES
AND CONTINUE THROUGH THE AFTERNOON.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: BETWEEN 12-18Z
MONDAY, HREF PROBABILITY RANGE FROM 50-70% FOR MVFR CONDITIONS
FOR KGEG/KSFF/KCOE WITH 30% CHANCE FOR IFR CONDITIONS AT
KGEG/KCOE. JDC
-----------------------
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 68 49 72 48 78 / 70 50 20 10 0 0
COEUR D'ALENE 49 63 48 70 47 77 / 90 80 30 10 0 0
PULLMAN 46 64 42 69 43 77 / 80 50 0 0 0 0
LEWISTON 55 71 50 76 52 83 / 90 50 10 0 0 0
COLVILLE 44 69 42 75 41 80 / 70 30 30 10 0 0
SANDPOINT 48 59 44 67 43 74 / 90 100 70 30 0 0
KELLOGG 48 58 47 66 46 74 / 90 100 30 20 0 0
MOSES LAKE 50 75 47 77 48 83 / 10 0 0 0 0 0
WENATCHEE 57 76 53 79 57 85 / 10 0 0 0 0 0
OMAK 50 76 50 79 51 83 / 10 10 10 0 0 0
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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