857
FXUS66 KOTX 121157
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
457 AM PDT FRI SEP 12 2025
KEY MESSAGES
- SHOWERS AND THUNDERSTORMS MAINLY IN THE IDAHO PANHANDLE AGAIN
FRIDAY.
- AREAS OF SMOKE AND HAZE THROUGH THE WEEKEND, ESPECIALLY NEAR
WILDFIRES.
SYNOPSIS
SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH FRIDAY,
GENERALLY CONFINED TO THE IDAHO PANHANDLE AND EXTREME
SOUTHEASTERN WASHINGTON. AREAS OF SMOKE AND HAZE ARE EXPECTED
TO CONTINUE THROUGH AT LEAST THE WEEKEND, ESPECIALLY NEAR
WILDFIRES.
DISCUSSION
A MOIST AND UNSTABLE AIRMASS WILL LEAD TO CONTINUED CHANCES FOR
SHOWERS AND THUNDERSTORMS ACROSS THE ID PANHANDLE AND EXTREME
SOUTHEAST WA THROUGH FRIDAY. DAYTIME TEMPERATURES WILL REMAIN
ABOVE NORMAL, BY AROUND 4-8 DEGREES FOR MOST LOCATIONS. A
PASSING SHORT-WAVE RIDGE WILL LEAD TO CONTINUED WARM AND
GENERALLY DRY CONDITIONS FOR SATURDAY. HOWEVER, THIS WILL BE
QUICKLY FOLLOWED BY ANOTHER DISTURBANCE EARLY NEXT WEEK, WITH
CHANCES FOR SHOWERS AND BENEFICIAL RAIN RETURNING SUNDAY AND
INTO MONDAY. AFTERNOON TEMPERATURES WILL BECOME ABOUT 10-15
DEGREES COOLER EARLY NEXT WEEK AS WELL, ENDING OUR RATHER
PERSISTENT PERIOD OF SIGNIFICANTLY WARMER-THAN-NORMAL
CONDITIONS.
FOR THE EXTENDED PORTION OF THE FORECAST (NEXT TUESDAY THROUGH
THURSDAY), MOST MODELS INDICATE A RIDGE RETURNING, WITH TEMPS
NOT STRAYING FAR FROM NORMAL AND ANY LIGHT PRECIP CHANCES
CONFINED TO THE CASCADES. /KD
AVIATION
12Z TAFS: THE EARLIER CLUSTER OF -TSRA OVER SOUTHEAST WA IS NOW
A LINE OF WEAK SHOWERS DRIFTING SOUTHWEST. THE REMAINING DEBRIS
CLOUDS OVER EASTERN WA AND NORTH ID IS A BKN TO OVC LAYER AT
10K FT. THE EXPECTATION IS THAT THESE CLOUDS WILL LINGER THROUGH
THE MORNING AND EVENTUALLY DISSIPATE LEAVING A FEW HIGH CLOUDS
AND LIGHT BREEZES IN THE AFTERNOON. THE CLOUD DECK IS
PREVENTING FOG FROM DEVELOPING OVER AREAS THAT RECEIVED THE BEST
RAINFALL OVERNIGHT BUT IF THERE ARE ANY BREAKS IN THE CLOUDS,
RADIATION FOG COULD DEVELOP IN THE VALLEYS OF CENTRAL AND NORTH
ID. NO FOG OR LOWER CEILINGS ARE MENTIONED AT THE TAF LOCATIONS.
ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN
FRIDAY AFTERNOON NEAR THE MONTANA BORDER.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS:
MODERATE CONFIDENCE IN VFR CONDITIONS, PARTICULARLY WHERE RAIN
FELL OVERNIGHT.
/AB
-----------------------
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 82 56 85 58 77 52 / 0 10 0 0 30 30
COEUR D'ALENE 82 56 84 57 77 53 / 10 10 0 0 30 40
PULLMAN 78 51 80 54 72 47 / 20 10 0 0 40 50
LEWISTON 83 60 86 62 78 56 / 30 10 0 0 40 50
COLVILLE 83 46 84 47 78 45 / 0 0 0 0 30 40
SANDPOINT 80 51 81 52 77 49 / 20 20 10 0 40 50
KELLOGG 77 56 80 59 75 54 / 40 30 10 10 40 50
MOSES LAKE 84 55 85 57 75 53 / 0 0 0 0 40 20
WENATCHEE 85 62 85 63 75 58 / 0 0 0 0 40 20
OMAK 88 58 88 60 80 56 / 0 0 0 0 30 40
OTX WATCHES/WARNINGS/ADVISORIES
WA...AIR QUALITY ALERT UNTIL NOON PDT MONDAY FOR CENTRAL CHELAN
COUNTY-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE
AREA-WESTERN CHELAN COUNTY.
ID...NONE.
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