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Alpine Airport (K46U) Aviation Weather: METAR

As of 2:55 AM MDT, Oct 28, K46U is currently VFR with winds from 250° at 3 knots, visibility 10+ statute miles, and no ceiling reported.

Live aviation weather for Alpine Airport in Alpine, WY, including METAR, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.

Alpine Airport (K46U) is a general aviation airport serving pilots in and around Alpine, WY at a field elevation of 5,637 ft. K46U reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has one runway (13/31), the longest 5,827 ft. CTAF is 122.9.

Ask ATIS AIAsk anything about K46U's weather, runways or delays, or search another airport.
VFR
Observed 0855Z (2:55 AM MDT)live · refreshes every 60s
Wind
250° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.06"
Temp / Dew
32°F / 0°C
feels like 29°F

Wind from the west-southwest (250°) at 3 kt, visibility 10+ statute miles, scattered clouds at 9,000 ft, temperature 0°C (32°F), altimeter 30.06 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR K46U 280855Z AUTO 25003KT 10SM SCT090 00/00 A3006 RMK A01

What changed at K46U?

Since the 0835Z (2:35 AM MDT) report, compared automatically against the latest METAR.

  • The 8,000 ft ceiling dissipated, no ceiling now.
  • Pressure rising: altimeter 30.04 → 30.06 inHg.

Current pilot readout for K46U

K46U is currently VFR with winds from 250° at 3 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors northwest-facing runway ends (31). Density altitude is approximately 5,000 ft (field elevation 5,637 ft). K46U does not publish a TAF. The nearest TAF station is KJAC, about 29 nm away.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
31FAV1 kt head3 kt left
131 kt tail3 kt right

Open the crosswind calculator to try your own wind and runway numbers →

K46U runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 13/31
    5,827 × 70 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at K46U
    Wind
    13
    1 kt tailwind · 3 kt crosswind from right
    31
    1 kt headwind · 3 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061309Z22Z08Z

Over the last 24 h: wind 0→3 kt, ceiling 5,000 ft → unlimited.

K46U weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Recent aviation weather trends at K46U

From ATIS Alerts' hourly weather history.

Over the past 24 hours, K46U reported mostly VFR across 61 observations, with 2 flight-category changes. The strongest gust reached 11 kt, the lowest ceiling was 1,300 ft. Wind most often came from the NW.

Last 24 hours
VFR 93%MVFR 7%
Wind avg/max: 2/7 kt
Max gust: 11 kt
Lowest ceiling: 1,300 ft
Lowest vis: -
Prevailing wind: NW
Category changes: 2

Most recent change: MVFR → VFR

Last 7 days
VFR 80%MVFR 16%IFR 2%LIFR 2%
Wind avg/max: 3/13 kt
Max gust: 24 kt
Lowest ceiling: 200 ft
Lowest vis: 0.5 sm
Prevailing wind: SE
Category changes: 22

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

13
66%
31
34%

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Live K46U Weather

Live crosswind meter

Measured by K46U's own weather station.

N31133 kt
Headwind
1 kt
Crosswind (from the left)
3 kt

Wind is 72° off runway 31, the end with the most headwind right now.

Asphalt · 5,827 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Alpine Airport (K46U) with runway 13/31 marked
N ↑

Runway 13/31 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A
Attended
Unattended
Transient parking
Tie-downs
Landing fee
Yes
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
ICAO
K46U
FAA LID
46U
City
Alpine
State
Wyoming
Country
United States
Elevation
5,637 ft
Coordinates
43.1819, -111.0387
Runways
1 physical runway · 2 runway ends
Longest runway
5,827 ft
Weather reporting
Reports METAR
TAF
Nearest KJAC
CTAF
122.9 MHz
Time zone
America/Boise
Next sunset
15h 17m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

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46U's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

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Pilot PIREPs for Alpine Airport (K46U)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Alpine Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for K46U yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

No D-ATIS at this airport, showing METAR.

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