361
FXUS66 KOTX 130742
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1242 AM PDT MON OCT 13 2025
KEY MESSAGES
- MOUNTAIN SNOW DECREASING BY LATE THIS MORNING.
- GUSTY NORTH TO NORTHEAST WINDS TODAY. COLD WIND CHILLS IN THE
TEENS TO SINGLE DIGITS IN THE MOUNTAINS THIS MORNING.
- COLDER OVERNIGHT LOW TEMPERATURES MONDAY NIGHT THROUGH
WEDNESDAY NIGHT.
SYNOPSIS
TODAY WILL BRING GUSTY NORTH AND NORTHEAST WINDS WITH SNOW OVER
THE CENTRAL CASCADES DECREASING BY LATE IN THE MORNING. DRY
WEATHER WITH FALL LIKE TEMPERATURES ARE EXPECTED TUESDAY THROUGH
THURSDAY WITH COLDER OVERNIGHT LOWS. WET WEATHER AND BREEZY
WINDS LOOKS TO RETURN NEXT WEEKEND.
DISCUSSION
TODAY: A CLOSED LOW OFF THE NORTHERN OREGON COAST AND A 1028MB
SURFACE HIGH OVER ALBERTA WILL RESULT IN GUSTY NORTH TO NORTHEAST
WINDS OVER THE AREA TODAY. AS THE LOW DROPS SOUTH THIS MORNING AND
FURTHER FROM THE AREA, AND DRIER NORTHEAST WINDS TAKES OVER
WITH PRECIPITATION COMING TO AN END. YET WITH THE LOW IN CLOSE
PROXIMITY THIS MORNING, THE LOW LEVEL NORTH-NORTHEAST WINDS WILL
UPSLOPE INTO THE BLEWETT PASS AND MISSION RIDGE AREA WHERE
HEAVY SNOW AMOUNTS ARE FORECAST THROUGH THE MORNING. TOTAL SNOW
AMOUNTS ARE EXPECTED TO RANGE FROM 8-12" FOR BLEWETT PASS WITH
OVER A FOOT FOR MISSION RIDGE. THE NORTH-NORTHEAST WINDS WILL BE
STRONGEST IN THE WIND CHANNELED AREAS OF THE OKANOGAN VALLEY,
PURCELL TRENCH IN NORTH IDAHO, AND OUT OVER THE COLUMBIA BASIN.
WIND GUSTS OF 30-40 MPH REMAIN IN THE FORECAST FOR THESE AREAS.
TONIGHT THROUGH THURSDAY: THE LOW CONTINUES TO DROP SOUTH TO NEAR
SAN FRANCISCO, CA OVERNIGHT BEFORE TRACKING EAST THROUGH NEVADA,
SE IDAHO, AND NW WYOMING WEDNESDAY INTO THURSDAY. THIS COMBINED
WITH AN UPPER RIDGE OFF THE COAST WILL PROVIDE A DRY NORTH TO
NORTHEAST FLOW OVER THE REGION. PRESSURE GRADIENTS WILL ALSO EASE
ALLOWING FOR COLDER OVERNIGHT LOWS. FROST WILL OCCUR FOR MOST
AREAS EACH NIGHT, AND SOME FROST ADVISORIES MAY BE NEEDED FOR
AREAS STILL WITHIN THE CLIMATOLOGICAL GROWING SEASON.
FRIDAY THROUGH SUNDAY: ENSEMBLES ARE COMING INTO BETTER AGREEMENT
HEADING TOWARD NEXT WEEKEND. ON FRIDAY A SHORT WAVE TROUGH PASSES
MAINLY NORTH OF THE AREA WITH A CHANCE OF SHOWERS LIMITED TO
MAINLY THE CASCADE CREST AND ID PANHANDLE. ON SATURDAY A SHORT
WAVE RIDGE MOVES OVER THE AREA AHEAD OF A STRONGER SYSTEM
DEVELOPING OFF THE COAST OF BRITISH COLUMBIA. THUS PRECIPITATION
CHANCES REMAIN LOW, BUT THIS CHANGES HEADING INTO SATURDAY NIGHT
AND SUNDAY AS A STRONGER FRONTAL SYSTEM MOVES THROUGH. THIS WILL
BRING INCREASED CHANCES FOR MORE WIDESPREAD RAIN AND HIGH MOUNTAIN
SNOW. WASHINGTON PASS HAS A 70% CHANCE OF SEEING AT LEAST 2 INCHES
ON SUNDAY, BUT ODDS ARE LOWER FOR OTHER PASSES GIVEN RATHER HIGH SNOW
LEVELS AROUND 5000-6000 FEET. BREEZY WINDS ARE ALSO POSSIBLE WITH
THIS FRONTAL SYSTEM. JW
AVIATION
06Z TAFS: LOW PRESSURE DROPS SOUTH ALONG THE WASHINGTON
COASTLINE TONIGHT. A CLASH OF MOISTURE FROM THE SOUTH INTO
COLDER CANADIAN AIR FROM THE NORTH WILL RESULT IN WIDESPREAD
PRECIPITATION ACROSS THE INLAND NORTHWEST INTO TONIGHT.
WIDESPREAD MVFR CONDITIONS IS EXPECTED. AIRPORTS ACROSS THE
REGION WILL MAINLY SEE RAIN WITH THIS LOW PRESSURE SYSTEM. COLD
AIR WITH INCREASING NORTH TO NORTHEAST WINDS WILL MAKE AN IMPACT
TONIGHT. THIS MAY RESULT IN A LITTLE BIT OF SNOW MIXING IN WITH
RAIN OVERNIGHT INCLUDING AT KCOE AND KGEG. NORTHERLY WINDS WILL
BE GUSTY THROUGH NORTH IDAHO, THE OKANOGAN VALLEY, AND OVER THE
COLUMBIA BASIN OVERNIGHT INTO MONDAY WITH GUSTS OF 20-30 KTS
COMMON, AND AS STRONG AS 35 KTS AT KOMK/KSZT KCOE BY THE MORNING
HOURS ON MONDAY. IFR CONDITIONS WITH LOWERING CEILINGS MAY
OCCUR OVERNIGHT BEFORE THE BOUNDARY LAYER DRIES OUT INTO MONDAY
MORNING WITH CONDITIONS BECOMING VFR.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: HIGH CONFIDENCE
IN MVFR CONDITIONS OVERNIGHT FOR MUCH OF THE REGION (ALONG WITH
LOCALIZED IFR CONDITIONS), EXCEPT KPUW/KLWS WHERE DOWNSLOPE
BOUNDARY LAYER WINDS SHOULD KEEP CONDITIONS VFR. JW
-----------------------
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 50 31 56 32 59 32 / 10 0 0 10 10 0
COEUR D'ALENE 49 31 55 33 58 33 / 10 0 0 10 10 10
PULLMAN 54 29 56 31 54 31 / 10 0 0 10 20 10
LEWISTON 58 38 59 40 60 39 / 10 10 10 10 20 10
COLVILLE 51 18 56 20 60 21 / 10 0 0 0 10 0
SANDPOINT 46 26 53 29 56 29 / 10 0 0 10 10 0
KELLOGG 46 31 54 35 57 36 / 20 10 0 10 20 10
MOSES LAKE 56 33 60 30 61 31 / 60 0 0 0 10 0
WENATCHEE 52 36 59 38 63 40 / 80 0 0 0 0 0
OMAK 56 32 60 32 62 35 / 20 0 0 0 0 0
OTX WATCHES/WARNINGS/ADVISORIES
WA...WINTER WEATHER ADVISORY UNTIL 5 AM PDT EARLY THIS MORNING FOR
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS.
WINTER WEATHER ADVISORY UNTIL 11 AM PDT THIS MORNING FOR
CENTRAL CHELAN COUNTY-WESTERN CHELAN COUNTY-WESTERN
OKANOGAN COUNTY.
ID...WINTER STORM WARNING UNTIL 5 AM PDT EARLY THIS MORNING FOR
NORTHERN PANHANDLE.
WINTER WEATHER ADVISORY UNTIL 5 AM PDT EARLY THIS MORNING FOR
CENTRAL PANHANDLE MOUNTAINS.
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