Marine Weather and Tide Forecast for Oroville, WA

SYNOPSIS
A dry warming trend is expected for the rest of the week.
Temperatures will be warming. Widespread 80s to low 90s are forecast by the weekend.

DISCUSSION
Today through Friday: A high pressure center of the California coast will support a ridge building along the Pacific coastline into the Gulf of Alaska. A few lingering showers over the Idaho Panhandle will dissipate by Wednesday afternoon as the earlier Low exits the region. The gradient is slow to loosen and keeps wind in the teens through the day. Ensembles have slowed on how fast the ridge builds. It has trended the highs a milder from previous forecast. It cold be do to the a strong Low over Manitoba supporting a trough stretching over BC. But minor HeatRisk is still the main concern through the end of the week.
Highs for today will be in the 60s and low 70s and 70s and low 80s for the rest of the week. Overnight lows will be in the upper 30s and 40s.

Saturday through Tuesday: By early Saturday morning, the trough drops into the US. There is poor agreement on the ensembles the track. Currently it is expected to clip the North Idaho Panhandle and Northeast WA. The trough could generate light precip and isolated thunderstorm. It is the best chance of any precip through the start of next week. The north to south flow pattern with the trough will bring gusty winds of 25 to 30 mph down the Okanogan Valley late Friday night into Saturday morning. The ridge axis will move over Washington Sunday through Tuesday and continues the dry, warming trend. Minor to Moderate HeatRisk will be widespread across the Inland Northwest. By Monday, highs are expected to be in the 80 and 90s. Lows will be in the 50s. /JDC

AVIATION
06Z TAFs: Westerly winds will also remain gusty up to 15-20 kts overnight through Wednesday. Showers will largely be confined over the Idaho Panhandle on Wednesday morning. VFR conditions expected late morning through end of TAF period.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: Moderate confidence for MVFR stratus to develop at KPUW and low for KCOE overnight. /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 66 44 73 46 75 48 / 10 0 0 0 0 0 Coeur d'Alene 63 44 71 46 73 48 / 20 0 0 0 0 0 Pullman 61 39 70 44 72 45 / 40 0 0 0 0 0 Lewiston 69 46 78 50 80 52 / 20 0 0 0 0 0 Colville 68 38 74 41 76 43 / 10 0 0 0 10 0 Sandpoint 61 42 70 45 72 46 / 30 0 0 0 10 10 Kellogg 58 43 70 45 72 47 / 70 0 0 0 0 0 Moses Lake 73 41 79 48 82 52 / 0 0 0 0 0 0 Wenatchee 70 48 79 54 80 55 / 0 0 0 0 0 0 Omak 73 44 78 48 79 51 / 0 0 0 0 0 0

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