Area Forecast Discussion
Issued by NWS Spokane, WA

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749
FXUS66 KOTX 170627
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
1027 PM PST Sat Dec 16 2017

.SYNOPSIS...
Light snow returns on Sunday with the potential for moderate
accumulations on area mountain passes. A warmer and windier
weather system impacts the region Tuesday into Wednesday bringing
the potential for heavy mountain snows and mix of rain and snow in
the lower elevations. The weather will then be dry and cold for
the remainder of the week.

&&

.DISCUSSION...
Update: The major change to forecast is the addition of patchy
dense freezing fog to hwy 2 corridor, Palouse to Spokane, and the
Lewiston area. The fog could produce slick spots on roadways and
make hazardous traveling conditions. /JDC


&&

.AVIATION...
06z TAFS: All terminals experiencing stratus overnight. Boundary
layer winds do start to increase from the south overnight ahead of
the next storm system. This could lead to waves of clearing and
filling back in from south to north for locations like KLWS,
KPUW, KMWH, KEAT. Increased moisture will bring -SN or brief
shower at the terminals 12-19Z with -rasn possible for KLWS .
KMWH/KEAT will remain mainly precip free with possible -fzra/sn in
the vicinity. By 02z, the terminals are expected to be precip
free with excluding locations in the Idaho Panhandle receiving
light precip. /JDC



&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        26  35  33  38  33  41 /  30  60  40  20  60  90
Coeur d`Alene  25  33  33  39  33  40 /  20  70  70  40  80 100
Pullman        25  34  34  40  36  41 /  10  40  60  60  60  70
Lewiston       28  37  37  46  37  46 /  10  30  50  30  40  40
Colville       28  33  30  36  31  36 /  40  70  50  10  60 100
Sandpoint      28  33  32  38  31  38 /  30  80  90  50  80 100
Kellogg        23  31  31  36  32  37 /  10  70  90  80  90 100
Moses Lake     30  35  31  40  33  44 /  20  30  10  10  30  40
Wenatchee      30  33  30  41  32  39 /  20  30  10  20  40  40
Omak           29  33  29  35  31  37 /  40  50  10  10  50  60

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Winter Weather Advisory from 10 AM Sunday to 10 AM PST Monday
     for Central Panhandle Mountains-Northern Panhandle.

WA...None.

&&

$$



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