Alpine Airport (K46U) Area Aviation Weather & Runway Winds
Aviation weather near Alpine Airport in Alpine, WY, decoded from the nearest reporting station (KAFO) — conditions, runway crosswinds, and free Telegram airport alerts.
Alpine Airport (K46U) is a general aviation airport serving pilots in and around Alpine, WY at 5,634 ft. K46U has no weather station of its own — conditions here are decoded from KAFO, about 29 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (13, 31) — longest 5,827 ft — are checked against the current wind in the crosswind table below. CTAF is 122.9. Track it in the ATIS Alerts Telegram bot to get alerts read from KAFO, the station this page is based on.
No weather station at this airport — showing the nearest station KAFO, 28.6 nm away.
Wind from the west-northwest (300°) at 3 kt, visibility 10+ statute miles, no cloud data, temperature 16°C (61°F), altimeter 30.19 inHg. Conditions are Visual Flight Rules (VFR).
METAR KAFO 290335Z AUTO 30003KT 10SM CLR 16/08 A3019 RMK AO2
What changed at KAFO (nearest station)?
Since the 0315Z (9:15 PM MDT) report — compared automatically against the latest METAR.
No significant changes since the 0315Z report — conditions are holding steady.
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Current pilot readout for K46U
Based on the nearest station (KAFO), K46U is currently VFR with winds from 300° at 3 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 13, about 1 knots. Density altitude is approximately 6,750 ft (field elevation 5,634 ft). K46U does not publish a TAF — the nearest TAF station is KJAC, about 29 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track K46U free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at K46U. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 31FAV | 5,827 ft | ASP | 3 kt head | 1 kt left |
| 13 | 5,827 ft | ASP | 3 kt tail | 1 kt right |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 6→3 kt, ceiling 12,000 ft → unlimited.
K46U weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Alpine Airport in Alpine, WY: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around K46U is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Recent aviation weather trends at K46U
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KAFO reported mostly VFR across 71 observations, with 0 flight-category changes. The strongest gust reached 22 kt, the lowest ceiling was 9,500 ft. Wind most often came from the S.
- 31
- 51%
- 13
- 49%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 46U
- City
- Alpine
- State
- Wyoming
- Country
- United States
- Elevation
- 5,634 ft
- Coordinates
- 43.1819, -111.0387
- Runways
- 2
- Longest runway
- 5,827 ft
- Weather reporting
- Nearest station KAFO
- TAF
- Nearest KJAC
- CTAF
- 122.9 MHz
- Time zone
- America/Boise
- Next sunset
- 22h 54m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
K46U weather — frequently asked
What runways are available at K46U?+
K46U has 2 runways — 13, 31; the longest is 5,827 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for K46U come from?+
Alpine Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KAFO, about 29 nm away — close enough for situational awareness, but local conditions at K46U can differ.
Does K46U have a TAF?+
No — K46U does not publish its own TAF. The nearest TAF station is KJAC, about 29 nm away.
Does K46U broadcast D-ATIS?+
No — K46U does not broadcast D-ATIS. Alerts for K46U from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Alpine Airport (K46U)
Community-submittedCommunity-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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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