836
FXUS66 KOTX 061020
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
320 AM PDT TUE MAY 6 2025
KEY MESSAGES
- ELEVATED GRASS FIRE CONCERNS IN CENTRAL WASHINGTON TUESDAY
- SHOWERY WEDNESDAY NIGHT AND A BRIEF COOLDOWN IN THE 60S
THURSDAY
SYNOPSIS
DRY WEATHER IS EXPECTED THROUGH MUCH OF THE WEEK. WINDS WILL
BE BREEZY AT TIMES. TEMPERATURES RETURN INTO THE 70S TUESDAY
AND CONTINUE TO BE WARMER THAN NORMAL THROUGHOUT THE WORK WEEK.
A WEAK COLD FRONT WILL BRING A CHANCE FOR LIGHT SHOWERS ON
WEDNESDAY NIGHT.
DISCUSSION
TODAY AND TOMORROW: WARM AND VERY DRY CONDITIONS WILL CONTINUE TODAY
AS AN UPPER LEVEL RIDGE IS PARKED OVER THE REGION. GRASS FIRE
CONCERNS WILL BE ELEVATED ACROSS CENTRAL WASHINGTON THIS AFTERNOON
WITH SUSTAINED WINDS 10-15 MPH AND RHS AROUND 12-18%. TEMPERATURES
WILL PEAK IN THE 70S TODAY. THE UPPER LEVEL RIDGE STARTS TO SHIFT
EAST INTO WEDNESDAY, SIGNALING THE PEAK OF TEMPS IN THE SHORT TERM
(70S AND 80S).
WEDNESDAY THROUGH TUESDAY: A SHORTWAVE TROUGH PASSING THROUGH
WEDNESDAY EVENING WILL BRING SHOWERS TO THE CASCADE CREST AND
NORTH IDAHO. AMOUNTS LOOK MEAGER WITH ONLY 0.1" EXPECTED AT
STEVENS PASS. FOR NORTH IDAHO, LOOKING AT ONLY A FEW HUNDREDTHS
OF RAIN. A DRY COLD FRONT PASSAGE WEDNESDAY NIGHT WITH PWATS
AROUND 20-70% OF NORMAL WILL BRING BREEZY WEST WINDS REGIONWIDE
WITH GUSTS UP TO 35 MPH IN THE CASCADE GAPS. BEHIND THE
WEDNESDAY SYSTEM, THERE IS EXCELLENT ENSEMBLE AGREEMENT OF
ANOTHER WARM HIGH PRESSURE RIDGE BUILDING IN THE NORTHWEST.
TEMPERATURES WILL RETURN TO THE 70S FRIDAY AND SATURDAY WITH DRY
BOUNDARY LAYER CONDITIONS. COOL AND UNSETTLED WEATHER RETURNS
SUNDAY AND INTO NEXT WEEK AS ENSEMBLES SHOW ANOTHER TROUGH
APPROACHING THE WEST COAST. DB
AVIATION
12Z TAFS: VFR CONDITIONS WITH HIGH PRESSURE. DRY CONDITIONS
WITH SOME HIGHER CLOUDS INCREASING FROM THE WEST THROUGH THE
PERIOD. MOSTLY LIGHT AND DIURNAL WINDS, EXCEPT SOME MORNING
DRAINAGE WINDS NEAR COE/PUW.
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 76 45 65 40 75 / 0 0 10 0 0 0
COEUR D'ALENE 43 76 46 65 38 75 / 0 0 20 0 0 0
PULLMAN 44 75 45 63 40 74 / 0 0 20 0 0 0
LEWISTON 49 83 53 72 46 82 / 0 0 10 0 0 0
COLVILLE 39 75 39 67 35 74 / 0 0 10 0 0 0
SANDPOINT 42 74 46 64 38 73 / 0 0 30 0 0 0
KELLOGG 47 73 49 62 42 74 / 0 0 30 0 0 0
MOSES LAKE 43 81 42 69 41 79 / 0 0 10 0 0 0
WENATCHEE 50 79 43 69 45 76 / 0 0 0 0 0 0
OMAK 46 78 41 69 40 76 / 0 0 10 0 0 0
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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