Rathdrum, Idaho 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

311
FXUS66 KOTX 040532
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
932 PM PST Tue Dec 3 2024

.SYNOPSIS...
A dry and stable weather pattern will persist through the middle
of the week, and temperatures seasonably cool in the upper 20s to
mid 30s. Chances are increasing that the ridge of high pressure
will weaken by the weekend with a return of light wintry
precipitation.

&&

.DISCUSSION...
Evening update: Made some changes to the forecast through Friday
morning to account for the persistent inversion with stratus
blanketing most of the region, encompassing elevations below
3500-4500 feet. Areas near the base of the inversion (2500-3500
feet) are quite cold this evening with some stations recording
temperatures in the teens to low 20s. Made some adjustments to
cool these areas, including the Camas Prairie. Also, freezing fog
will be limited tonight to elevations within the stratus layer,
which is hovering between 2400-3000 feet at the base. Thus
freezing fog will be above many towns tonight, mainly impacting
the mid slope areas, Hwy 2 from Wilbur to the West Plains, and the
higher parts of the Palouse. Isolated flurries or light
drizzle/freezing drizzle will remain possible for most areas
tonight. With the Thursday wave very weak and fizzling as it
reaches the area, it will do little to the inversion. Thus
increased sky cover Thursday through Friday morning as the stratus
remains in place. The stratus will limit temperatures changes,
and thus made some changes to temperatures as well as a near
persistence forecast dominates until we get a weather system to
scrub out the inversion, which looks to happen this weekend.
Friday forecast highs were not adjusted, but may be too warm
around the Spokane/Coeur d`Alene area down through the Palouse and
LC Valley if the southeast boundary layer wind that develops
ahead of the weekend system isn`t strong enough to scrub out the
stratus. JW

&&

.AVIATION...
06Z TAFS: MVFR/IFR stratus continues to cover most of the region,
and is not expected to budge through the TAF period. The lowest
visibilities will occur where the stratus intersects the terrain,
which includes elevations between 2600 and 4000 feet. PUW falls
within this elevation range and is already seeing LIFR conditions.
Locations between 2600 and 4000 feet can expect visibility down
to 1/4SM with FZFG overnight and into Wednesday morning.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS:
Confidence is high of stratus plaguing the region through Thu 06Z,
with widespread IFR/MVFR conditions. With some fluctuations in
the boundary layer wind around KPUW there is lower confidence with
if and for how many hours 1/4SM visibility occurs.

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

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        28  32  28  33  29  38 /   0   0   0   0   0  10
Coeur d`Alene  30  33  30  35  31  40 /   0   0   0   0   0  10
Pullman        28  30  28  32  29  43 /   0   0   0   0   0  10
Lewiston       32  35  32  37  33  45 /   0   0   0   0   0   0
Colville       29  33  29  34  30  35 /   0   0   0   0  10  10
Sandpoint      30  33  30  34  31  37 /   0   0   0   0  10  10
Kellogg        28  34  28  36  29  42 /   0   0   0   0  10  10
Moses Lake     32  35  32  36  33  35 /   0   0   0   0   0  10
Wenatchee      31  33  31  35  32  36 /   0   0   0   0   0  10
Omak           31  35  31  36  32  36 /   0   0   0   0  10  10

&&

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

$$