Ponderay, ID Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Ponderay, ID

June 19, 2024 10:54 PM PDT (05:54 UTC) Change Location
Sunrise 4:46 AM   Sunset 8:50 PM
Moonrise 7:09 PM   Moonset 2:33 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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7 Day Forecast for Marine Location Near Ponderay, ID
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Area Discussion for - Spokane, WA
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FXUS66 KOTX 200449 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 949 PM PDT Wed Jun 19 2024

SYNOPSIS
Showers and isolated thunderstorms will continue into the evening across across the northern mountains. A warming trend is expected through the week, with high temperatures rebounding into the mid 80s to mid 90s on Saturday. A dry cold front on Sunday will create elevated fire weather concerns with widespread breezy winds across the region. This will likely be followed by considerable cooling with a small chance of showers and thunderstorms into early next week.

DISCUSSION

Today through Friday: Today features another day of cumulus buildups with a small risk (20%) of thunderstorms in the Cascades, northern mountains, and Blue Mountains. Thunderstorms will be capable of small hail, gusty winds, and infrequent lightning.
Temperatures will peak in the 70s and 80s today. The influence of the 500 mb cold pool over us decreases tomorrow as a trough off the gulf of alaska starts to form/amplify a shortwave ridge in the pacific northwest. Tomorrow will feature more sunny conditions with highs in the 80s to low 90s. One exception is a small chance of a thunderstorm (20%) over the Pasayten Wilderness. Friday will be dry and even warmer yet with highs in the 80s to mid 90s.
/Butler

Saturday...Model confidence is high that the upper level ridge axis will shift into the ID Panhandle by afternoon which will allow the 850 mb temperatures to peak with a thermal ridge axis focused over the Inland NW. The result will be the warmest temperatures we’ve see this summer for many locations. Right now we have forecast highs in the mid 80s and 90s, with the hottest readings expected over the lower Columbia Basin and LC Valley where we can’t rule out a stray 100. The chance of exceeding 100F is around 50% for downtown Lewiston, and a 10-25% from Wenatchee to Vantage. This should be the peak of the heat though as the ridge pushes farther east and we begin to see some cooler air work over the Cascade Crest by late afternoon/evening. This will be accompanied by increasing west winds over central WA, but nothing terribly strong.

Saturday night/Sunday...Model agreement remains high the ridge axis will migrate into eastern MT with an offshore heading onto the west coast. This will begin a significant cooling trend with high temperatures dropping anywhere from 6 to 14F which is still a little warmer than normal, however the bigger news will be the introduction of winds into the mix. The 850 mb winds aren’t terribly strong (20-30 kts) which will equate to surface wind gusts of 25-35 mph. The winds will combine with relative humidity values of less than 20% over much of central and eastern WA and this will result in an enhanced fire concerns especially for areas with cured fuels which includes much of the Columbia Basin.

Monday through Wednesday...Model agreement begins to falter during this period as some of the models move the upper level trough inland while others keep it offshore. The offshore members largely consist of the Canadian members and if this occurs we’d be looking at only a slight cooling with dry weather. However nearly 2/3rds of the other models support the trough pattern with high temperatures cooling into mid 70s to mid 80s. There would also be a small chance of showers and thunderstorms mainly near the Canadian border. Stay tuned to see which scenario verifies. fx

AVIATION
06z TAFS: Convective showers are ongoing across the North Cascades and portions of the Okanogan Highlands. This activity will wane with the loss of heating but there is some uncertainty exactly when the shower activity will completely end with a weak midlevel circulation noted on the satellite. Precipitation from this afternoon will bring a threat for fog or stratus in the valleys around Republic, Curlew, and Conconully. Would not rule out patchy coverage around Colville, Deer Park, and Ione but this comes with low confidence. Otherwise, breezy north winds are channeling down the Okanogan Valley through Omak and will continue to spread toward Chelan, Wenatchee, and Moses Lake 6-7z. Wednesday will feature more cumulus build ups across the Cascades with isolated showers. A stray T-storm will be possible near the immediate Canadian border. For most terminals in the Columbia Basin, L-C Valley, and Palouse, dry conditions with fair cumulus and scattered cirrus. Winds will generally be light with speeds below 10kts. The exception will be a few hours of easterly winds for KCOE and KPUW mainly 14-19Z.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence in VFR conditions for TAF sites. Main uncertainty will be fog development where the showers occurred today in the northern mountain valleys around Colville, Deer Park, Republic, and Bonners Ferry but most areas are running 20% lower RH as of 2200 pdt. /sb

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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 47 82 52 86 55 89 / 0 0 0 0 0 0 Coeur d'Alene 46 80 51 83 53 87 / 0 0 0 0 0 0 Pullman 47 81 51 82 53 86 / 0 0 0 0 0 0 Lewiston 53 90 59 92 59 96 / 0 0 0 0 0 0 Colville 41 80 44 85 49 86 / 10 0 0 0 0 0 Sandpoint 45 78 50 81 50 83 / 0 0 0 10 0 0 Kellogg 49 79 56 80 57 85 / 0 0 0 10 0 0 Moses Lake 52 87 53 92 58 95 / 0 0 0 0 0 0 Wenatchee 56 85 61 91 64 93 / 0 0 0 0 0 0 Omak 51 85 54 90 57 91 / 10 0 0 0 0 0

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




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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KSZT SANDPOINT,ID 4 sm19 minN 0310 smClear52°F39°F62%30.09
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Spokane, WA,




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