Mammoth Yosemite Airport (KMMH) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Mammoth Yosemite Airport in Mammoth Lakes, CA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Mammoth Yosemite Airport (KMMH) is a regional airport serving Mammoth Lakes, CA at 7,135 ft. KMMH reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (09, 27) — longest 7,000 ft — are checked against the current wind in the crosswind table below. Automated weather is broadcast on 118.05. Track KMMH in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the northwest (310°) at 7 kt, visibility 10+ statute miles, no cloud data, temperature 15°C (59°F), altimeter 30.21 inHg. Conditions are Visual Flight Rules (VFR).
METAR KMMH 290635Z AUTO 31007KT 10SM CLR 15/M03 A3021 RMK AO2
What changed at KMMH?
Since the 0615Z (11:15 PM PDT) report — compared automatically against the latest METAR.
No significant changes since the 0615Z report — conditions are holding steady.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KMMH's weather changes, free →
Current pilot readout for KMMH
KMMH is currently VFR with winds from 310° at 7 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 09, about 3 knots. Density altitude is approximately 8,500 ft (field elevation 7,135 ft). Review the latest TAF below for forecast changes before departure.
⚠️ 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 →
Get KMMH weather alerts in Telegram
Stop refreshing aviation weather manually. Track KMMH in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.
Track KMMH 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 KMMH. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 27FAV | 7,000 ft | ASP | 7 kt head | 3 kt right |
| 09 | 7,000 ft | ASP | 7 kt tail | 3 kt left |
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 24 h: wind 0→7 kt, ceiling unlimited → unlimited.
KMMH weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Mammoth Yosemite Airport in Mammoth Lakes, CA: 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 KMMH 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.
Pilot reports (PIREPs) within 100 NM of KMMH
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
RNO UA /OV FMG150042/TM 0237/FL200/TP PC12/TB LGT CHOP/RM DURD ENTERED BY ZOA FDCS
RNO UAHeader — reporting station and UA: a routine pilot report.OV FMG150042Location — fix or navaid, optionally with a radial and distance in NM.TM 0237Reported at 02:37 UTC.FL200Altitude: 20,000 ft MSL.TP PC12Aircraft type reporting.TB LGT CHOPTurbulence: light chop.RM DURD ENTERED BY ZOA FDCSRemarks.Show raw report
MMH UA /OV MMH340055/TM 0104/FL200/TP E170/TB MOD/RM ENTERED BY ZOA FDCS
MMH UAHeader — reporting station and UA: a routine pilot report.OV MMH340055Location — fix or navaid, optionally with a radial and distance in NM.TM 0104Reported at 01:04 UTC.FL200Altitude: 20,000 ft MSL.TP E170Aircraft type reporting.TB MODTurbulence: moderate.RM ENTERED BY ZOA FDCSRemarks.Show raw report
TPH UA /OV MMH340005/TM 0104/FL200/TP E170/TB MOD/RM ENTERED BY ZOA FDCS
TPH UAHeader — reporting station and UA: a routine pilot report.OV MMH340005Location — fix or navaid, optionally with a radial and distance in NM.TM 0104Reported at 01:04 UTC.FL200Altitude: 20,000 ft MSL.TP E170Aircraft type reporting.TB MODTurbulence: moderate.RM ENTERED BY ZOA FDCSRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KMMH
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KMMH reported mostly VFR across 72 observations, with 0 flight-category changes. The strongest gust reached 26 kt. Wind most often came from the SE.
- 27
- 65%
- 09
- 35%
TAF — Terminal Aerodrome Forecast
Issued 0524Z (10:24 PM PDT)
TAF KMMH 290524Z 2906/3006 VRB03KT P6SM SKC FM292000 25009G19KT P6SM SKC FM292300 28015G23KT P6SM SKC FM300300 30007KT P6SM SKC
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KMMH
- IATA
- MMH
- FAA LID
- MMH
- City
- Mammoth Lakes
- State
- California
- Country
- United States
- Elevation
- 7,135 ft
- Coordinates
- 37.6254, -118.8431
- Runways
- 2
- Longest runway
- 7,000 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- AWOS/ASOS
- 118.05 MHz
- Time zone
- America/Los_Angeles
- Next sunset
- 20h 16m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
1 airport25–50 NM
6 airports50–100 NM
8 airports+2 more within 100 NM
KMMH weather — frequently asked
What runways are available at KMMH?+
KMMH has 2 runways — 09, 27; the longest is 7,000 ft. This page computes the live crosswind for each runway end from the current wind.
Does KMMH report its own weather?+
Yes — Mammoth Yosemite Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KMMH have a TAF?+
Yes — the TAF is shown on this page below the current conditions.
Does KMMH broadcast D-ATIS?+
No — KMMH does not broadcast D-ATIS. Alerts for KMMH from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Pilot PIREPs for Mammoth Yosemite Airport (KMMH)
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 Mammoth Yosemite 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 KMMH 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.
Why pilots use ATIS Alerts
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- Get pinged the moment KMMH drops below VFR or a new report moves your numbers.
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⚠️ 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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