126
FXUS66 KOTX 012117
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
217 PM PDT THU MAY 1 2025
KEY MESSAGES
-HIGH TEMPERATURES 10 TO 20 DEGREES ABOVE NORMAL FRIDAY. MINOR
HEATRISK.
-COOLER TEMPERATURES, SHOWERS, AND BREEZY WINDS SATURDAY AND
SUNDAY.
-TEMPERATURES TRENDING WARMER NEXT WEEK.
SYNOPSIS
TEMPERATURES WILL REMAIN WARM AND DRY THROUGH FRIDAY WITH A
MINOR RISK FOR HEAT-RELATED ILLNESSES FOR THOSE EXTREMELY
SENSITIVE TO HEAT. COOLER TEMPERATURES AND SHOWERY CONDITIONS
ARE ANTICIPATED FOR SATURDAY AND SUNDAY. WINDY CONDITIONS ARE
EXPECTED THROUGH THE CASCADE GAPS ON SATURDAY AND THE OKANOGAN
VALLEY ON SUNDAY. TEMPERATURES TREND WARMER THROUGH THE MIDDLE
OF NEXT WEEK.
DISCUSSION
TONIGHT THROUGH SATURDAY: HIGH PRESSURE BUILDING HAS LED TO WARMER
TEMPERATURES IN THE 70S, DRY CONDITIONS, AND LIGHT WINDS TODAY.
TOMORROW IS EXPECTED TO BE WARMER AND A TAD DRIER WITH TEMPERATURES
REACHING INTO THE UPPER 70S TO UPPER 80S. OVERNIGHT LOWS WILL DIP
INTO THE 30S AND LOW 40S THANKS TO DRY AIR IN PLACE AND LIGHT WINDS.
LOW PRESSURE TROUGH WILL MOVE SOUTH TOWARDS CALIFORNIA PLACING THE
INLAND NORTHWEST IN DEEP SOUTHERLY FLOW FRIDAY. PRECIPITATION WILL
INCREASE LATE FRIDAY EVENING AS A PLUME OF MOISTURE MOVES THROUGH
THE REGION. THIS BAND OF SHOWERS WILL BRING LIGHT RAIN AMOUNTS TO
THE REGION ANYWHERE FROM A HUNDRETH IN THE LOWER COLUMBIA BASIN TO
AS HIGH AS A QUARTER INCH IN THE CASCADES. TEMPERATURES SATURDAY
WILL BE 10-20 DEGREES COLDER WITH HIGHS IN THE 60S AND 70S.
SUNDAY THROUGH THURSDAY: SUNDAY WILL BE SHOWERY IN EXTREME EASTERN
WASHINGTON AND THE IDAHO PANHANDLE WITH A MINOR SHORTWAVE MOVING
THROUGH THE REGION WITH HIGHS IN THE 60S AND 70S. MONDAY AND TUESDAY
ARE MUCH DRIER AS THERE IS HIGH CONFIDENCE OF A RIDGE BUILDING IN
RESPONSE TO A DEEPENING LOW SOUTH OF ALASKA. TEMPERATURES MONDAY AND
TUESDAY WILL BE IN THE 70S AND 80S WITH DRY HUMIDITIES AROUND 10-
20%. PRECIP CHANCES INCREASE INTO WEDNESDAY AND THURSDAY AS ENSEMBLE
CLUSTERS ARE IN EXCELLENT AGREEMENT OF THE LOW PRESSURE SYSTEM
STAYING SOUTH OF ALASKA SENDING DISTURBANCES OUR WAY. DB
AVIATION
18Z TAFS: VFR CONDITIONS EXPECTED THROUGH THE PERIOD WITH LIGHT
DIURNALLY DRIVEN WINDS AND PASSING HIGH CLOUDS.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: HIGH CONFIDENCE IN
VFR 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:/WWW.WEATHER.GOV/OTX/AVNDASHBOARD
PRELIMINARY POINT TEMPS/POPS
SPOKANE 44 80 49 68 45 63 / 0 0 0 30 20 10
COEUR D'ALENE 43 78 46 68 44 58 / 0 0 0 20 40 30
PULLMAN 45 77 47 62 41 57 / 0 0 0 30 40 20
LEWISTON 49 85 52 70 49 63 / 0 0 0 30 50 20
COLVILLE 35 79 44 70 41 66 / 0 0 10 50 40 20
SANDPOINT 42 76 46 69 45 58 / 0 0 0 30 50 40
KELLOGG 48 76 49 67 45 54 / 0 0 0 30 50 40
MOSES LAKE 45 85 53 69 41 72 / 0 0 20 10 0 0
WENATCHEE 51 82 55 65 43 69 / 0 0 20 10 0 0
OMAK 47 82 52 70 42 71 / 0 0 20 30 10 0
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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