WxDecoder

US-8449 Weather West Yellowstone Clinic Helipad

West Yellowstone, MontanaElevation 6,667 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KWYS · 2 NM N · 23 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KWYS
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Dense Fog AdvisoryModerate · Expected · Likely
25 1905Z to 26 1800Z
Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Gallatin and Madison County Mountains and Centennial Mountains
* WHAT...Variable visibility down to a quarter mile or less in dense fog. * WHERE...Canyon Ferry Area, Elkhorn and Boulder Mountains, Beaverhead and Western Madison below 6000ft, Gallatin Valley, Gallatin and Madison County Mountains and Centennial Mountains, Madison River Valley, Missouri Headwaters, and Northwest Beaverhead County. * WHEN...Until noon MDT Monday. * IMPACTS...Low visibility co…
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, temperature 4.5C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear then areas of fog, low near 17F, 1% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 29 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear then Areas Of Fog 17 NNE 1 kt – 1%
Monday Areas Of Fog then Mostly Cloudy 49/19 S 7 kt – 98%
Tuesday Light Snow Likely 37/15 SW 15 kt 29 kt 71% Strong winds in the forecast
Wednesday Slight Chance Light Snow then Partly Sunny 40/15 SSW 11 kt 22 kt 18%
Thursday Mostly Sunny then Slight Chance Rain And Snow 46/19 S 9 kt – 45%
Friday Light Snow Likely 45/19 WNW 3 kt – 63%
Saturday Chance Light Snow 46/18 WNW 2 kt – 52%
Sunday Chance Light Snow 47 SSW 3 kt – 52%

Source: National Weather Service (office TFX). Forecast issued 0257Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for US-8449. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
6,667 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0023Z 6:23 PM
Sunrise
1353Z 7:53 AM
Loggable night
0053Z (6:53 PM local) → 1323Z (7:23 AM local)
end of evening to start of morning civil twilight
Position lights required
0023Z (6:23 PM local) → 1353Z (7:53 AM local)
sunset to sunrise (91.209)
Night passenger currency
0123Z (7:23 PM local) → 1253Z (6:53 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

West Yellowstone Clinic Helipad is in West Yellowstone, Montana. Field elevation 6,667 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-8449
RegionMontana
CountryUnited States
Coordinates44.6582, -111.1040
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

US-8449 has no on-field report. Nearest reporting station: KWYS (2 NM N, VFR).

KWYS Yellowstone Airport
2 NM N
VFR
KRXE Rexburg Madison County Airport
58 NM SW
VFR
KJAC Jackson Hole Airport
65 NM S
VFR
KBZN Bozeman Yellowstone International Airport
67 NM N
LIFR
KLVM Mission Field
68 NM NE
VFR
KDLN Dillon Airport
71 NM NW
IFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-8449 on OurAirports
FREQUENTLY ASKED
Does US-8449 have a METAR?
No on-field METAR is issued for US-8449. This page uses the nearest reporting station as a reference.
Does US-8449 have a TAF?
No TAF is issued directly for US-8449. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-8449?
US-8449 sits at 6,667 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-8449?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.