Monday, March1, 2021
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Marine Weather and Tides
Athol, ID

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:24AMSunset 5:33PM Monday March 1, 2021 4:37 PM PST (00:37 UTC) Moonrise 9:46PMMoonset 8:56AM Illumination 89% Phase: Waning Gibbous; Moon at 18 days in cycle
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.
Marine Forecasts
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7 Day Forecast for Marine Location Near Athol, ID
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location: 47.98, -116.56     debug


Area Discussion for - Spokane, WA
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FXUS66 KOTX 012343 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 343 PM PST Mon Mar 1 2021

SYNOPSIS. A weak disturbance tonight could bring very light snow mostly over the mountains. A warming trend is then expected from mid to late week with dry conditions Wednesday through Friday. By the weekend, temperatures will cool back to seasonal normals along with an increasing threat for showers and breezy conditions.

DISCUSSION. Tonight through Wednesday: The upper level ridge over the region will flatten tonight, putting the PNW into a zonal flow regime. Models are in pretty good agreement that a weak shortwave will move through overnight bringing very light snow to Cascade crest and the higher elevations of the ID Panhandle. Since these areas have seen feet of snow in the last week, this additional 1-2 inches will feel very insignificant. Outside of the mountainous regions, this shortwave will bring increased cloud cover and breezy winds to the area. This increased cloud cover should help moderate the cooling overnight, with morning lows above freezing for most lowland locations. Gusts around 20 to 25 mph will be possible tomorrow afternoon for the lee of the Cascades, the Columbia Basin into the Palouse, the Spokane/CdA area, and the ID Panhandle.

After this shortwave passes, an upper level trough will dig off the coast and push into California. This will help reinforce the upper level ridge centered over Montana and put the PNW into a milder southwesterly upper level flow. Temperatures will being to trend warmer as the week progresses, with highs in the mid to upper 50s for most of the region by the end of the workweek. There is also the potential for areas of fog Wednesday and Thursday mornings for the mountain valleys in NE Washington and the ID Panhandle. Patchy fog may also be possible elsewhere. VMT

Thursday and Friday: A deep area of lower pressure will approach the Pac NW Coast Thursday and limp inland Friday. Thursday will deliver one last dry day region-wide. This will be coupled with temperatures nearly 10 degrees above normal with highs topping out in the 50s. As the low wobbles toward the coast Thursday night and Friday, moisture will spread into portions of Central WA and bring a chance for rain and light high mountain snow to the Cascades. Temperatures on Friday will remain mild with afternoon highs another 3-5 warmer than Thursday and potential for several cities to warm near or slightly above 60F. Southerly winds will also be on the increase with gusts around 25 mph.

Saturday through Monday: All ensemble suites support the idea of the upper low ejecting east through the region over the weekend as a second shortwave drops out of the Gulf of AK. This will send a sharp cold front through the region bringing gusty winds and a decent shot for precipitation followed by cooler, more showery weather. The European model suites are a few hours slower than the North American models so there is some uncertainty how warm Saturday could be before the arrival of the cold front. Once we can dial in the timing the front, we would also have better idea of how strong the accompanying winds will be with the frontal passage (fropa). A nighttime fropa would bring less wind than a daytime passage. Any time we see a shift in air masses of this nature, there is usually some wind to contend with. 850 mb temperatures cool from around +7C on Friday to -2C on Sunday. This will be a transition back to wintry travel conditions on area mountain passes and mix of rain/snow for our lowlands with any accumulations mainly expected with any showers that form overnight. /sb

AVIATION. 00Z TAFS: VFR conditions will likely prevail through the next 24 hours. Mid to high level clouds will begin to fill in this evening and overnight tonight as a weak weather system pushes through the region. Winds will pick up out of the southwest tomorrow afternoon and evening with gusts up to 20 to 25 MPH possible. VMT

PRELIMINARY POINT TEMPS/POPS. Spokane 33 49 31 53 29 55 / 0 0 0 0 0 0 Coeur d'Alene 32 46 31 51 28 54 / 0 10 0 0 0 0 Pullman 30 47 30 51 31 54 / 0 0 0 0 0 0 Lewiston 35 55 34 56 34 58 / 10 10 0 0 0 0 Colville 30 47 29 49 28 53 / 10 0 0 0 0 0 Sandpoint 32 43 31 48 29 50 / 10 20 10 0 0 0 Kellogg 32 43 32 50 29 53 / 10 10 10 0 0 0 Moses Lake 32 54 31 56 33 58 / 0 0 0 0 0 0 Wenatchee 33 51 30 50 33 53 / 0 0 0 0 0 0 Omak 32 49 30 48 32 52 / 0 0 0 0 0 0

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




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Coeur d'Alene Airport - Pappy Boyington Field, ID20 mi41 minS 810.00 miFair49°F29°F46%1019.8 hPa
Sandpoint, Sandpoint Airport, ID22 mi42 minSW 410.00 miPartly Cloudy52°F28°F41%1015.9 hPa

Link to 5 minute data for KCOE

Wind History from COE (wind in knots)
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Last 24hrS7S7S9S6SE7S5SE4S4CalmSE3CalmNE4E4E3NE3NE4NE3E5S9S10S9S12
G15
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1 day agoSW7S7SW5CalmSW4SE6S8S8S7S7S6SW3S10S11S10S8S9SW10S8S10S9S8S7--
2 days agoS5S6S5S7S5S8SW7S3SE3S5S3S7SW11SW5SW4SW4W8SW8SW10SW12
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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