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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
Sunrise 7:33AM | Sunset 6:08PM | Wednesday February 20, 2019 2:16 PM MST (21:16 UTC) | Moonrise 7:45PM | Moonset 8:30AM | Illumination 98% | ![]() |
7 Day Forecast for Marine Location Near Lakeside, MT
Hourly EDIT Helplocation: 48.04, -114.22 debug
Area Discussion for - Missoula, MT
  (on/off)  Help NOTE: mouseover dotted underlined text for definitionFxus65 kmso 201055 afdmso area forecast discussion national weather service missoula mt 355 am mst Wed feb 20 2019 Discussion A low pressure system continues to move across north-central idaho this morning spreading light to moderate snow across the region. An additional 1 to 3 inches are expected through the day today, with isolated higher amounts possible, especially the higher in elevation you are. Winter weather advisories and warnings remain in place at this time. Light snow has diminished in several places across western montana, except along the continental divide. A secondary surge of moisture is forecast to move over the area later this morning, that will bring another round of light snow, particularly along and south of the i-90 corridor. Snow will become more showery in nature this afternoon, that could produce intense snow rates for a short period of time as the showers move overhead. Around an inch or 2 of additional snow is possible through the day. If any particular location is hit by one of these showers, slightly higher amounts are possible. Winter weather advisories remain in place across western montana through the day as well. Later this evening and overnight, a modified arctic airmass will begin to spill over the continental divide. Gusty east-northeast winds will begin to increase along highway 2 from marias pass to kalispell, as well as i-90 and highway 12 200 from the divide west to missoula as the arctic air moves in. It is not expected to be as strong as the events we have experienced earlier in the month. But localized blowing snow will be possible in the areas mentioned above. Snow will be tapering off overnight tonight and through the day on Thursday, however lingering snow showers will remain in the forecast through this period. Light snow will develop again across northwest montana on Friday and then spread to most areas by Saturday. Another surge of arctic air is expected Saturday night into Sunday bringing more north to east winds to western montana while snow is possible for central idaho. Ensemble model guidance point to continued unsettled weather into next week with colder than normal temperatures. Besides periods of light snow mid-week, there could be a decent overrunning heavy |
snow event with subtropical influences by the end of the month, but it is a little too early to hang your hat on anything substantial. Aviation Light snow will continue across north-central idaho and western montana today. A low pressure center, that is forecast to pass through north-central idaho, will focus the heaviest snow near the triple point of wa or id. Snow showers will continue off and on this afternoon with mountain obscuration and lower visibility at times, especially near the divide as a surge of cold air moves west after 21 0000z. Breezy easterly winds will develop during this time and continue Wednesday night. Snow showers will become more isolated on Thursday with some improvement with ceilings and visibility. Mso watches warnings advisories Mt... Winter weather advisory until 9 pm mst this evening butte blackfoot region. Winter weather advisory until 9 pm mst this evening bitterroot sapphire mountains... Missoula bitterroot valleys... Potomac seeley lake region. Winter weather advisory until 5 pm mst this afternoon lower clark fork region. Winter weather advisory until 9 pm mst this evening flathead mission valleys... West glacier region. Winter weather advisory until 9 pm mst this evening kootenai cabinet region. Id... Winter weather advisory until 4 pm pst this afternoon northern clearwater mountains. Winter storm warning until 4 pm pst this afternoon lower hells canyon salmon river region. Winter weather advisory until 4 pm pst this afternoon southern clearwater mountains. Winter weather advisory until 5 pm mst this afternoon western lemhi county. Winter storm warning until 4 pm pst this afternoon orofino grangeville region. |
Weather Reporting Stations
EDIT (on/off)  Help NOTE: Click on distance to see the station location on a mapAirport Reports
EDIT (on/off)  Help Click EDIT to display multiple airportsAirport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
Kalispell, Glacier Park International Airport, MT | 18 mi | 81 min | N 0 | 10.00 mi | Fair | 25°F | 12°F | 60% | 1011.2 hPa |
Wind History from GPI (wind in knots)
3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | |
Last 24hr | Calm | NE | NE | N | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | W | Calm | W | Calm | SW | SW | SE | Calm | Calm |
1 day ago | S | S | S | Calm | NE | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | |
2 days ago | N | NE G22 | N G23 | N | N | N | N | N | NE G18 | N | N | N | N | N | N | NW | N | Calm | NW | Calm | Calm | Calm | Calm | Calm |
Tide / Current Tables for
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GOES Local Image of PacificNorthwest EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Missoula, MT (16,3,4,5)
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Ground Weather Radar Station Missoula, MT
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Disclaimer: The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program. |