Area Forecast Discussion
Issued by NWS Spokane, WA

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FXUS66 KOTX 282324
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
424 PM PDT TUE JUL 28 2015

.SYNOPSIS....
Summer conditions return to the Inland Northwest as a ridge of
high pressure takes control. Dry and increasingly hot weather
pattern will persist through the weekend. The only chance of
precipitation in the near future will be a small chance of showers
or thunderstorms over extreme southeast Washington and north-
central Idaho this weekend.

&&

.DISCUSSION...
Tonight through Wednesday...Not much going on during this period
as upper level jet...currently extending from the dateline into
northeast BC...buckles a little northward during the next 24-36
hours. What will this do to the weather? The main impacts will be
drying and warming trend. It will also stabilize the atmosphere so
the widespread but shallow cumulus clouds seen this afternoon on
visible satellite will begin to wane this evening and should be
far less prevalent by Wednesday afternoon. The increased sunshine
combined warming temperatures aloft should translate to high
temperatures poking back into the mid 80s and 90s for most
locations. fx

Wednesday night through Tuesday...The Inland Northwest is headed for
an extended period of hot and dry weather as a ridge of high
pressure takes up residence over the region. Temperatures will be on
an upward trend with most valley locations in the 90s to low triple
digits through at least the weekend. The only sensible weather of
note will be breezy winds down the Cascade gap valleys that will
initiate after sunset each day. Whether these winds will be strong
enough to reach critical fire weather conditions when combined with
very low minimum relative humidity is a low confidence forecast. The
other concern will be the possibility of isolated thunderstorms
developing over the northeast Blue Mts and Camas Prairie as
monsoonal moisture drifts up from the south. Right now it looks like
convection will remain south of the forecast area. A nominal area of
slight chance thunderstorms remains in the weather grids to cover
this possibility. /Kelch

&&

.AVIATION...
00Z TAFS: As high pressure builds over the region, expect VFR
condtions at the TAF sites for the next 24 hours. Areas of high
cumulus/high AC will dissipate early this evening, along with the
light mountain sprinkles across extreme NE Washington and the far
northern panhandle. Then expect generally clear skies to all
forecast sites through much of Wednesday. Winds will be fairly
light and terrain driven. /rfox

&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        56  87  62  94  64  97 /   0   0   0   0   0   0
Coeur d`Alene  54  87  58  92  58  95 /   0   0   0   0   0   0
Pullman        49  87  55  94  56  96 /   0   0   0   0   0   0
Lewiston       58  95  65 102  68 104 /   0   0   0   0   0   0
Colville       52  90  55  95  57  99 /   0   0   0   0   0   0
Sandpoint      47  84  51  89  51  93 /   0   0   0   0   0   0
Kellogg        49  85  55  91  56  95 /   0   0   0   0   0   0
Moses Lake     58  95  61 100  63 101 /   0   0   0   0   0   0
Wenatchee      62  96  68 100  69 101 /   0   0   0   0   0   0
Omak           54  94  60  98  61 101 /   0   0   0   0   0   0

&&

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

$$



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