Marine Weather and Tide Forecast for Skykomish, WA

SYNOPSIS
Warmer and drier weather expected through Friday. Another weather system brings additional chances for rain and cooler temperatures to the region by Saturday. The region will have a quiet start to next week with a midweek system bringing a round of showers and possible thunderstorms.

DISCUSSION
Today through Friday: A ridge is building in behind yesterdays system. It will to a warming dry trend for the next several days. Friday is expected to be the warmest day with highs across the Basin climbing around 80. The National Blend of Models currently has a probability of 80% or higher for the Basin. The EC and GFS are cooler with upper 70s expected. With the position of the ridge apex over Western Washington, it will allow decent wind funneling through the Okanogan Valley on Thursday and Friday afternoons. Gusts into the mid 20s mph expected.
Overnight lows will dip into 30s and low 40s.

Saturday through Wednesday: The next wave of precipitation arrives Friday night as a wave dives south towards California.
With deep southerly flow, much of the area has a chance to see some rain. Amounts do not look very impressive however.
Generally expecting somewhere between a few hundreths to 0.25" by Saturday afternoon. Temperatures will be much cooler in the 60s. By Sunday, the INW will be left in a saddle pattern, favoring showery conditions in the mountains, and gusty winds.
Temperatures will warm back into the 70s Monday and Tuesday as another ridge starts to build. The ridge begins to breakdown on Wednesday as a Low from the Gulf of Alaska approaches. Ensembles are showing widespread rain showers through the end of the week. The instability parameters are showing an increase potential thunderstorm threat for the end of next week. /JDC

AVIATION
18Z TAFS: All TAF sites are anticipated to stay at VFR conditions through the forecast period. Minor wind shifts expected through the day with little to no impact expected for TAF sites.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence in VFR conditions at TAF sites through the period.

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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 41 74 45 81 50 68 / 0 0 0 0 20 40 Coeur d'Alene 40 74 43 80 47 70 / 0 0 0 0 10 40 Pullman 39 72 46 79 47 63 / 0 0 0 0 20 40 Lewiston 44 78 48 86 53 71 / 0 0 0 0 10 40 Colville 37 74 40 80 45 71 / 0 0 0 10 20 60 Sandpoint 40 72 42 79 46 72 / 0 0 0 0 10 40 Kellogg 44 71 47 79 48 68 / 0 0 0 0 10 40 Moses Lake 42 80 46 85 53 71 / 0 0 0 0 30 30 Wenatchee 47 77 51 83 54 68 / 0 0 0 0 30 20 Omak 44 79 46 85 52 71 / 0 0 0 10 30 50

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