Marine Weather and Tide Forecast for Leavenworth, WA

SYNOPSIS
Active pattern continues through the weekend. Blowing dust concern returns for Sunday. The colder air this weekend and early next week will bring freezing low temperatures to many areas. Drier weather next week, with moderating temperatures.

DISCUSSION
Today through Sunday: The cold front will continue to exit the region through the early morning. Colder will continue to move into the region and bring snow levels down to 4000-5000 ft by mid morning. Short term models are keeping shower chances through today for the higher terrain with a chance of mountain snow. Precip amounts are not expected to be very much as probability for a tenth of an inch range from 10-30 percent.
Snow amounts are generally up 1-2 inches but pockets of up to 4 inches are possible. Hikers and campers in the higher elevations should plan accordingly. By Sunday, the Low stalls over Southwest Conus and high pressure starts to nudge into the region from the West. Precip tapers off by Sunday afternoon.
Saturday and Sunday highs will be in the upper 40s and low 60s.
Overnight lows will be in the 30s to low 40s. Many areas will be in the upper 20s to low 30s Sunday night into Monday morning.
It will be a good to time to start putting away the hoses and sprinklers.

Winds will continue to weaken behind the front and switch northerly by this morning bringing gusty north winds of 25-35 mph through the Okanogan Valley and Waterville Plateau. Breezy conditions continue Sunday with gusty northeast winds across much of the region. Speeds will be slightly lower than Friday with gusts 25-35 mph across the Basin and Idaho Panhandle.

Monday through Friday: Ensembles are becoming better aligned for the upcoming week. The Low is expected to stay over Southwest Conus while ridging builds along the coast line through Wednesday. Ensembles are hinting at the ridge moving east as another trough begins to press into the region. It is not looking to bring any precip by the end of the week. The Inland Northwest will be under a dry fall like pattern with near normal temperatures. Highs will be in the upper 40s to low 60s for most. Some areas in the lower Central Basin could approach 70. Overnight lows will continue to chilly with a range of 30s to low 40s. /JDC

AVIATION
06Z TAFS: VFR conditions expected for TAF period. Winds will continue to decrease through overnight period. Saturday winds will be highest through the Okanogan Valley impacting OMK. North winds sustained in the teens with gusts near 30 kts expected in this area.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence for VFR conditions at airport terminals. /JDC

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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 37 56 35 53 34 57 / 0 20 20 0 0 0 Coeur d'Alene 37 55 35 51 33 55 / 10 20 20 0 0 0 Pullman 36 52 34 51 29 54 / 40 0 10 10 0 0 Lewiston 42 58 40 56 38 58 / 20 0 10 10 10 10 Colville 30 56 28 56 23 59 / 10 40 30 0 0 0 Sandpoint 33 54 32 49 26 54 / 10 20 20 0 0 0 Kellogg 35 52 32 46 31 53 / 80 10 20 10 0 0 Moses Lake 36 60 38 59 32 61 / 0 10 20 0 0 0 Wenatchee 43 59 44 59 40 62 / 0 20 50 0 0 0 Omak 37 58 38 60 34 61 / 0 20 40 0 0 0

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