KMMH/MMH METAR & TAF Mammoth Yosemite Airport

Mammoth Lakes, CaliforniaElevation 7,135 ftMedium airport

CURRENT STATUS

VFR19 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

Calm

no steady wind

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

6,711 ft

-424 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Lake Wind AdvisoryModerate · Expected · Likely

26 1700Z to 27 0100Z

Mono

* WHAT...Southwest winds 15 to 20 mph with gusts up to 35 mph for Topaz Lake, Bridgeport Reservoir, Mono Lake, and Crowley Lake. * WHERE...Mono County. * WHEN...From 10 AM to 6 PM PDT Monday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

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

CURRENT METAR

Decoded observation

Observed 0735Z (12:35 AM local) · 19 min old

KMMH is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND

Calm

No steady wind.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

0°C / -4°C

32°F / 25°F. 4°C spread.

ALTIMETER

30.24 inHg

1024 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

TERMINAL AERODROME FORECAST

TAF timeline

Issued 0520Z (10:20 PM local) · valid to 0600Z (11:00 PM local)

KMMH forecast starts VFR at 06Z. Worst period is 20Z to 00Z with VFR possible (GUST). Best period is 06Z to 12Z (VFR). Conditions are roughly steady over the period.

VFR

0600Z11:00 PM1048Z3:48 AM1536Z8:36 AM2024Z1:24 PM0112Z6:12 PM0600Z11:00 PM

Codes in this report: P6SM FEW SCT

Tap any group to decode it.

FAA: no delays reported at MMH.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling none. Forecast suggests monday mostly sunny, high near 58F, low near 27F, 0% chance of precipitation. Key risks: high density altitude; strong winds in the forecast.

PILOT WEATHER NOTES

High density altitudeMETAR

Density altitude about 6,711 ft (field elevation 7,135 ft). Expect reduced climb performance and a longer takeoff roll.

Strong winds in the forecastWeather.gov

Monday: winds up to 39 kt. Re-check crosswind components closer to departure.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Monday	Mostly Sunny	58/27	SW 22 kt	39 kt	0%	Strong winds in the forecast
Tuesday	Sunny	59/24	SW 17 kt	30 kt	0%
Wednesday	Mostly Sunny	58/26	S 4 kt	–	1%
Thursday	Partly Sunny	55/29	SW 13 kt	–	12%
Friday	Mostly Sunny	51/27	SW 13 kt	–	11%
Saturday	Chance Light Snow	47/26	SW 9 kt	–	50%
Sunday	Chance Light Snow	43	NW 9 kt	–	44%

Source: National Weather Service (office REV). Forecast issued 0754Z.

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

1 runway · crosswind ranking

WIND USED

Wind calm or variable

Crosswind ranking is unavailable until the wind has a steady direction.

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

1 runway · longest 7,000 ft

09/27

Dimensions

7,000 x 100 ft

Surface

Asphalt (excellent)

Edge lights

MED

RWY 09109°T

Landing length (LDA)7,000 ft

TORA / TODA / ASDA7,000 / 7,000 / 7,000 ft

Traffic patternLeft

RWY 27289°T

Landing length (LDA)7,000 ft

TORA / TODA / ASDA7,000 / 7,000 / 7,000 ft

REILYes

VGSIPAPI (P4L)

Traffic patternRight

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

6,711 ft

Pressure altitude

6,815 ft

Field elevation

7,135 ft MSL

Temperature

0°C (32°F)

Dewpoint

-4°C (25°F)

Altimeter

30.24 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0105Z 6:05 PM

Sunrise

1414Z 7:14 AM

Loggable night

0131Z (6:31 PM local) → 1347Z (6:47 AM local)

end of evening to start of morning civil twilight

Position lights required

0105Z (6:05 PM local) → 1414Z (7:14 AM local)

sunset to sunrise (91.209)

Night passenger currency

0205Z (7:05 PM local) → 1314Z (6:14 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

Mammoth Yosemite Airport is in Mammoth Lakes, California. Field elevation 7,135 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeMedium airport

Airline serviceYes

ManagerSOIBIAN SPRING

Manager phone760-914-0065

AttendedDaily, 0800–1630

CHARTS & AIRSPACE

ICAO / IATAKMMH / MMH

SectionalSAN FRANCISCO

Center (ARTCC)OAKLAND

Flight service (AFSS)RIVERSIDE

RegionCalifornia

CountryUnited States

Coordinates37.6254, -118.8431

Distance from city6 NM E

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerNon-towered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

Traffic pattern alt872 ft MSL

CTAF122.800

UNICOM122.800

FREQUENCIES

Communications

118.05

AWOS 3

AWOS

125.75

OAKLAND CNTR

CNTR

122.15

RIVERSIDE RDO

RDO

122.8

CTAF/UNICOM

UNIC

122.800

CTAF

122.800

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KBIH Eastern Sierra Regional Airport

27 NM SE

VFR

KHTH Hawthorne Industrial Airport

56 NM N

VFR

KFAT Fresno Yosemite International Airport

66 NM SW

VFR

KFCH Fresno Chandler Executive Airport

71 NM SW

VFR

KMAE Madera Municipal Airport

72 NM SW

VFR

KMCE Merced Regional Macready Field

82 NM W

MVFR

AIRPORT REMARKS

Operational remarks

›33 FT POLE LCTD 400 FT WEST OF APCH END OF RY 27 AND 375 FT SOUTH OF RY 27 CENTERLINE MARKED WITH OBSTRUCTION LIGHT.

›LDG FEES.

›CLSD TO ACR OPNS OF CHTR OPNS, BUS JET OPNS, AND SKEDD COML OPNS OF ACR WITH MORE THAN 30 PSGRS AND/OR WINGSPANS GTR THAN 79 FEET EXCP 24 HR PPR. CALL AMGR 760-965-3654.

›PCR VALUE: 370/F/C/X/T

›100LL FUEL AVBL 24 HRS; CARD LOCK SYSTEM.

›NO SNOW REMOVAL DRG NGT HRS (1630-0700L) WO PRIOR PMSN.

›RIDGE 3 NM FM APCH END RWY 09.

›APCH REF CODE B/III/5000, DEP REF CODE B/III.

›FOR CD IF UNA TO CTC ON FSS FREQ, CTC OAKLAND ARTCC AT 510-745-3380.

›RIDGE AT RWY 27 IS 304 FT ABOVE RWY & 1200 FT NORTH OF CNTRLN WITH HAZARD BEACONS.

›ARPT LCTD IN MOUNTAINOUS TERRAIN WITH OCNL STRONG WINDS AND TURBULENCE. LGTD WINDSOCK AVBL AT RY ENDS AND CENTERFIELD; WITH SOUTHERLY CROSSWINDS IN EXCESS OF 15 KNOTS; EXPC TURBULENCE AND PSBL WINDSHEAR ALONG FIRST 3000 FT OF RY 27.

›NIGHT FLYING NOT RECOMMENDED WITHOUT KNOWLEDGE OF LOCAL TERRAIN.

›NOISE ABATEMENT: ACFT ARR FM THE SOUTH, OR DEP TO THE SOUTH REMAIN EAST OF HWY 395.

›ACTVT REIL RWY 27; MIRL RWY 09/27 - CTAF.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KMMH on OurAirports

FREQUENTLY ASKED

Does KMMH have a METAR?

Yes. KMMH has a current METAR observation, decoded into plain English on this page.

Does KMMH have a TAF?

Yes, a TAF is issued for KMMH; the decoded forecast timeline is shown above.

What is the field elevation at KMMH?

KMMH sits at 7,135 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KMMH?

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.