204
FXUS66 KOTX 241806
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1106 AM PDT SAT OCT 24 2026
KEY MESSAGES
- COOLER TEMPERATURES FRIDAY INTO NEXT WEEK. WIDESPREAD FROST
AND FREEZING TEMPERATURES SATURDAY MORNING. CHILLY
TEMPERATURES EXPECTED AGAIN SUNDAY MORNING THEN MODIFYING
SLIGHTLY NEXT WEEK.
UPDATE
FROST ADVISORY FOR THE WENATCHEE AREA AND FREEZE WARNING FOR
THE MOSES LAKE AREA AND LEWISTON-CLARKSTON VALLEY HAVE EXPIRED.
SYNOPSIS
CHILLY OVERNIGHT LOWS THIS WEEKEND WITH WIDESPREAD FROST AND
FREEZING TEMPERATURES. NOT AS CHILLY NEXT WEEK WITH TEMPERATURES
NEAR AVERAGE FOR LATE OCTOBER.
DISCUSSION
TODAY THROUGH TUESDAY: A MILD, DRY SATURDAY IS EXPECTED AS A
WEAK RIDGE PATTERN IS OVER THE REGION BEHIND YESTERDAYS COLD
FRONT. HIGHS WILL REACH INTO THE 50S. IT WILL BE SHORT LIVED AS
ANOTHER LOW WILL SLIDE DOWN THE COASTLINE FROM BC TO OREGON
THROUGH SUNDAY. ENSEMBLES HAVE COME INTO BETTER AGREEMENT ON THE
TIMING AND TRACK. THE LOW WILL SLOWLY TRACK OVER OREGON THROUGH
MONDAY. IT HAS POTENTIAL TO BRING LIGHT SHOWERS ACROSS THE
INLAND NORTHWEST. THE AMOUNTS ARE NOT LOOKING TO BE MUCH AS
PRECIPITABLE WATER AMOUNTS STRUGGLE TO GET ABOVE HALF AN INCH.
THE DAILY 25-75 PERCENT PROBABILITIES ARE: 0-0.1 ON SUNDAY,
0.1-0.3 ON MONDAY, AND 0.05-0.2 (HIGHEST AMOUNTS OVER SOUTHEAST
WA AND LOWER ID PANHANDLE) ON TUESDAY. SNOW LEVELS WILL BE
AROUND 4500 FT. AN INCH OF SNOW IS POSSIBLE FOR THE HIGHER
ELEVATIONS. HIGHS WILL BE IN THE UPPER 40S TO LOW 60S. OVERNIGHT
LOWS WILL BE IN THE UPPER 20S AND 30S.
WEDNESDAY THROUGH FRIDAY: ENSEMBLES ARE INDICATING ANOTHER
SYSTEM PUSHING INTO THE REGION FROM THE GULF OF ALASKA. AGAIN,
THERE IS A LOT OF UNCERTAINTY ON THE TRACK OF THE LOW. AROUND 35
PERCENT OF MEMBERS HAVE THE LOW OVER THE PACIFIC NORTHWEST. THE
OTHER 65 PERCENT HAVE A MORE GENERALLY BROAD TROUGH PATTERN
OVER THE REGION. EITHER WAY, THERE IS NOT A LOT OF MOISTURE
ASSOCIATED WITH THE SYSTEM. IT WILL PUSH SOME COLDER AIR INTO
THE REGION. HIGHS WILL BE IN THE UPPER 30S TO LOW 50S. OVERNIGHT
LOWS WILL BE IN THE 20S TO LOW 30S. /JDC
AVIATION
18Z TAFS: HIGH LEVEL MOISTURE WILL RESULT IN INCREASING HIGH
LEVEL CLOUDS OVER THE REGION TODAY. DRIER AIR AT LOW LEVELS WILL
KEEP CEILINGS ABOVE 15 KFT AGL. WITH PREVAILING VFR CONDITIONS.
LIGHT WINDS TODAY THEN PICKING UP OUT OF THE EAST SUSTAINED AT
10-15 KTS AT KCOE AND KPUW BY EARLY SUNDAY MORNING (AFTER 08Z).
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: HIGH CONFIDENCE
FOR VFR CONDITIONS AT ALL TAF SITES. /SVH
-----------------------
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 34 59 37 53 36 51 / 0 0 0 50 50 40
COEUR D'ALENE 33 58 36 53 36 48 / 0 0 0 40 70 70
PULLMAN 32 60 34 53 33 50 / 0 0 0 40 70 60
LEWISTON 36 64 41 57 40 55 / 0 0 0 50 70 60
COLVILLE 25 59 26 55 27 52 / 0 0 0 40 40 20
SANDPOINT 31 53 31 52 31 45 / 0 0 0 10 50 70
KELLOGG 33 57 34 54 36 43 / 0 0 0 30 70 90
MOSES LAKE 31 61 36 56 32 58 / 0 0 20 40 10 0
WENATCHEE 37 55 42 56 39 57 / 0 10 30 40 10 0
OMAK 32 59 37 57 35 57 / 0 10 20 50 30 10
OTX WATCHES/WARNINGS/ADVISORIES
WA...NONE.
ID...NONE.
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