740
FXUS66 KOTX 240912
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
212 AM PDT TUE JUN 24 2025
KEY MESSAGES
- OCCASIONAL ROUNDS OF SCATTERED SHOWERS OVER THE NORTHERN
MOUNTAINS THIS WEEK.
- WARMER TODAY AND WEDNESDAY THEN TEMPERATURES COOLING BACK
TO SEASONAL VALUES THURSDAY AND FRIDAY.
- A MORE SIGNIFICANT WARMUP HEADING INTO THE WEEKEND AND EARLY
NEXT WEEK.
SYNOPSIS
THIS WEEK WILL FEATURE OCCASIONAL WEAK WEATHER SYSTEMS PASSING
THROUGH THE REGION. A CHANCE OF SHOWERS WILL OCCUR MOST DAYS
OVER THE NORTHERN MOUNTAINS AND IDAHO PANHANDLE, WITH A FEW
THUNDERSTORMS POSSIBLE ALONG THE CANADIAN BORDER. WARMER
TEMPERATURES ARE FORECAST FOR TUESDAY, THEN COOL BACK TO NORMAL
VALUES BY THURSDAY, BEFORE A MORE SIGNIFICANT WARMUP HEADING
INTO NEXT WEEKEND.
DISCUSSION
TODAY THROUGH SATURDAY: MODELS CONTINUE TO SHOW A PROGRESSIVE
WESTERLY FLOW WITH A SERIES OF WEATHER DISTURBANCES PASSING
THROUGH. THERE ISN'T A LOT OF MOISTURE WITH THESE WAVES, BUT
THEY WILL BRING PASSING MID AND HIGH LEVEL CLOUDS THROUGH MUCH
OF THE WEEK ALONG WITH A CHANCE OF SPRINKLES. SLIGHTLY GREATER
INSTABILITY WILL BE FOUND EACH DAY ALONG THE CANADIAN BORDER
COMPARED TO THE REST OF THE AREA, WITH A 20-40% CHANCE OF
SHOWERS AND A 10-20% CHANCE OF THUNDERSTORMS EACH AFTERNOON.
HIGH TEMPERATURES TODAY AND WEDNESDAY WILL BE ABOVE NORMAL WITH
READINGS IN THE 80S, BEFORE DROPPING TO NEAR SEASONAL NORMALS ON
THURSDAY AND FRIDAY.
SUNDAY AND MONDAY: ENSEMBLES CONTINUE TO SHOW SOUTHWEST FLOW
DEVELOPING BETWEEN A BUILDING RIDGE ALONG THE ROCKY MOUNTAIN
DIVIDE AND A LOW IN THE GULF OF ALASKA. THAT WILL RESULT IN A
QUICK WARMUP WITH HIGHS IN THE MID 80S TO MID 90S ON SUNDAY AND
90S ON MONDAY. A FEW TRIPLE DIGIT TEMPERATURES ARE ALSO
POSSIBLE ON MONDAY. HERE ARE THE LATEST NBM PROBABILITIES OF
HIGH TEMPERATURES REACHING OR EXCEEDING 100F ON MONDAY:
LEWISTON: 80%, WENATCHEE AND MOSES LAKE: 30%, DOWNTOWN SPOKANE:
30%, OMAK: 10%. JW
AVIATION
06Z TAFS: VFR CONDITIONS WILL PREVAIL FOR ALL TAF SITES THROUGH
06Z WEDNESDAY. SOME SHALLOW MOISTURE IN THE BOUNDARY LAYER OVER
THE NORTHERN MOUNTAIN VALLEYS MAY LEAD TO PATCHY FOG AROUND
COLVILLE AND SANDPOINT BETWEEN 09Z-15Z TUE. OTHERWISE MID AND
HIGH LEVEL CLOUDS WILL STREAM THROUGH THE REGION ON TUESDAY AS
A WEAK MID LEVEL WAVE PASSES THROUGH THE REGION.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: HIGH CONFIDENCE
OF VFR CONDITIONS FOR ALL 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:/WWW.WEATHER.GOV/OTX/AVNDASHBOARD
PRELIMINARY POINT TEMPS/POPS
SPOKANE 83 59 83 54 78 53 / 0 0 0 0 0 10
COEUR D'ALENE 82 57 82 55 77 53 / 0 0 10 10 10 20
PULLMAN 83 54 80 50 76 49 / 0 10 0 10 0 20
LEWISTON 90 62 89 60 84 59 / 0 10 0 10 0 10
COLVILLE 82 46 81 43 76 43 / 10 10 20 20 20 20
SANDPOINT 80 53 80 51 75 50 / 0 10 20 20 10 20
KELLOGG 80 61 79 57 74 55 / 0 10 10 10 10 20
MOSES LAKE 89 58 87 53 82 53 / 0 0 0 0 0 10
WENATCHEE 88 62 84 58 80 57 / 10 10 0 0 10 10
OMAK 86 56 85 53 79 51 / 10 10 10 10 10 10
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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