182
FXUS66 KOTX 290935
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
235 AM PDT Sat Jun 29 2024

.SYNOPSIS...
Saturday will be mild with increasing shower and thunderstorm
chances, particularly in the Cascades. The next system will
arrive Sunday producing breezy winds and additional chances for
showers and thunderstorms. Mountain showers and seasonal
temperatures will continue through early next week. The forecast
will trend warmer and drier by the middle to the end of next week.

&&

.DISCUSSION...
Today and tomorrow: Expecting a mild day with high temperatures in
the 80s with lots of mid and high level clouds moving through the
region. There is a small chance of thunderstorms (20%) later this
afternoon in the Cascades. Models continue to show a 20-40% chance
of overnight showers and thunderstorms in Southeast Washington and
the central Idaho Panhandle overnight into Sunday. There is a
greater chance of showers and thunderstorms Sunday afternoon (40-80%
chance) north and east of the Columbia Basin with the best chances
in Pend Oreille/Boundary Counties. Thunderstorms Sunday will be
capable of frequent lightning, small hail, and gusty outflow winds.
/Butler

Monday through Friday: Breezy winds are expected Monday and Monday
night, with gusts up to 30 mph across the Waterville Plateau and
upper Columbia Basin. Early week showers and thunderstorms will
also be possible over northeastern WA and the the northern ID
Panhandle.

Expect near normal daytime temperatures through Wednesday, with a
warming and drying trend anticipated for Thursday and Friday. /KD

&&

.AVIATION...
06Z TAFS: Bands of mid and high clouds will increase overnight
with ceilings at or above 10 thousand feet. Surface winds through
00z Sunday will mainly be less than 10kts region-wide. There will
be a 30 percent chance of showers over the north Cascades between
20-06z. As convection spreads east of the mountains, airports
that will have a chance of brief downpours and outflow gusts to
30kts will be Wenatchee, Chelan, Methow Valley in Winthrop, and
Omak.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS:
High confidence in VFR conditions at our airport through 00z.
General aviation pilots will need to monitor radar for showers and
thunderstorms after 00z Sunday around the Methow Valley,
Leavenworth, Chelan, and Omak. /GK

-----------------------

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        83  59  81  55  80  53 /  10  20  40  10  10   0
Coeur d`Alene  81  58  77  53  76  52 /  10  50  50  10  20  10
Pullman        80  56  77  52  75  50 /  10  50  30   0   0   0
Lewiston       89  65  87  61  85  59 /  10  50  30   0   0   0
Colville       80  50  75  45  77  45 /  10  30  80  30  40  10
Sandpoint      78  55  72  50  72  50 /  10  30  80  40  50  20
Kellogg        78  60  73  55  72  55 /  10  60  70  20  20  10
Moses Lake     86  60  86  55  85  53 /  10  10   0   0   0   0
Wenatchee      83  62  82  60  80  57 /  20  30   0   0   0   0
Omak           86  60  85  55  84  55 /  10  30  30   0   0   0

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...None.
WA...None.
&&

$$