162
FXUS66 KOTX 082226
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
326 PM PDT WED OCT 8 2025
KEY MESSAGES
- COLD OVERNIGHT TEMPERATURES IN SHELTERED VALLEYS THROUGH
WEDNESDAY.
- DRY THROUGH THURSDAY.
- UNSETTLED WEATHER OVER THE WEEKEND INCLUDING THE POTENTIAL FOR
LIGHT MOUNTAIN PASS SNOW.
SYNOPSIS
DRY, COOL CONDITIONS EXPECTED THROUGH THURSDAY. TEMPERATURES
WILL THEN INCREASE SLIGHTLY THROUGH THE END OF THE WEEK. THE
WEEKEND BRINGS CHANCES OF UNSETTLED WEATHER AND PRECIPITATION
INCLUDING SNOW IN THE MOUNTAINS. COOLER, WETTER CONDITIONS
EXPECTED FOR START OF NEXT WEEK.
DISCUSSION
TONIGHT THROUGH SUNDAY: A LOW IS SLOWLY CREEPING SOUTH ALONG
THE COAST. IT IS EXPECTED TO STALL OFF THE SOUTHERN OREGON
COAST FOR THURSDAY AND FRIDAY. IT WILL SEND WEAK WAVES OF
MOISTURE INTO THE PACIFIC NORTHWEST. ENSEMBLE AGREEMENT IS
DECENT FOR THE PLACEMENT AND TRACK OF THE LOW. BEST CHANCES FOR
ANY PRECIP ARE ALONG THE CASCADES AND OKANOGAN FOOTHILLS BUT
AMOUNTS NOT EXPECTED TO BE MORE THAN A FEW HUNDREDTHS OF AN
INCH FOR THURSDAY. THE LOW FINALLY PUSHES ON SHORE FRIDAY AND
SHOWERS CHANCES SPREAD ACROSS THE ENTIRE INLAND NORTHWEST. THE
LOW WILL USHER IN COLDER AIR AND LOWER SNOW LEVELS. ELEVATIONS
ABOVE 4000FT CAN EXPECT SOME SNOW MIXED WITH RAIN FOR THE
WEEKEND. SNOW AMOUNTS EXPECTED TO BE LESS THAN 2 INCHES. GROUND
MIGHT BE TOO WARM FOR ANY DECENT SURFACE ACCUMULATION. RAIN
AMOUNTS FOR THE LOWER TERRAINS WILL RANGE FROM UP TO A TENTH FOR
THE CENTRAL BASIN AND OKANOGAN VALLEY, 0.2-0.5" FOR MOST
VALLEYS AND EASTERN BASIN, AND AROUND 0.75" FOR HIGHER TERRAIN
OF IDAHO PANHANDLE. HIGHS WILL DROP INTO THE 50S FOR THE PERIOD.
OVERNIGHT LOWS WILL RANGE FROM THE UPPER 20S TO 30S. THE REGION
CAN EXPECT AN INCREASING AREA OF FROST AND FREEZE. MIGHT WANT TO
CONSIDER HARVESTING ANY REMAINING PRODUCE FROM BACKYARD GARDENS.
MONDAY THROUGH WEDNESDAY: ENSEMBLES ARE KEEPING THE LOW OVER
THE REGION FOR MONDAY. SHOWERS CHANCES CONTINUE THROUGH MONDAY. BY
TUESDAY, THE LOW DIGS FURTHER SOUTH. IT WILL START A DRYING
TREND FOR THE REGION. TEMPERATURES CONTINUE TO BE ON THE COOLER
SIDE OF THE LOW. HIGHS CONTINUE TO BE TO IN THE 50S. LOWS WILL
STAY IN THE UPPER 20S AND 30S. /JDC
AVIATION
18Z TAFS: VFR CONDITIONS WITH LIGHT WINDS WILL PREVAIL. ALL TAF
SITES BUT KEAT WILL REMAIN AT VFR. CONDITIONS AT KEAT HAVE GONE
DOWN TO MVFR DUE TO SMOKE AND HAZE MOVING THROUGH THE AREA.
MODELS HAVE SMOKE MOVING OUT OF THE AREA AROUND 20Z.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: HIGH CONFIDENCE
IN VFR CONDITIONS ACROSS THE REGION EXCEPT NEAR KEAT WHERE
ACTIVE FIRES COULD RESULT IN MVFR CONDITIONS.
-----------------------
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 46 78 47 72 42 58 / 0 0 0 30 30 40
COEUR D'ALENE 46 78 47 73 44 56 / 0 0 0 30 50 50
PULLMAN 48 74 46 70 41 56 / 0 0 10 30 40 50
LEWISTON 50 78 51 76 49 62 / 0 0 0 20 40 50
COLVILLE 35 78 36 72 32 57 / 10 0 0 40 40 60
SANDPOINT 42 73 43 71 40 55 / 0 0 0 30 60 60
KELLOGG 51 77 52 74 45 55 / 0 0 0 40 60 70
MOSES LAKE 44 73 47 71 40 63 / 10 10 10 40 20 30
WENATCHEE 51 73 53 70 45 60 / 30 30 10 40 20 40
OMAK 46 76 49 73 42 61 / 20 10 0 40 30 40
OTX WATCHES/WARNINGS/ADVISORIES
WA...AIR QUALITY ALERT UNTIL 11 AM PDT FRIDAY FOR CENTRAL CHELAN
COUNTY-OKANOGAN VALLEY-WATERVILLE PLATEAU-WENATCHEE AREA-
WESTERN CHELAN COUNTY.
ID...NONE.
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