KMMH METAR

Current observed weather at Mammoth Yosemite (MMH · KMMH), Mammoth Lakes, CA, elevation 7,135 ft. Reported 21 Sep 2026 0755Z, decoded below with the past 24 hours of observations. · Open on the map

All of Mammoth Yosemite — runways, frequencies, charts and live weather

METAR observed 21 Sep 2026 0755Z

VFR
METAR KMMH 210755Z AUTO 28006KT 10SM BKN120 10/M06 A3021 RMK AO2
Wind
280° at 6 kt
Visibility
10+ SM
Ceiling
12,000 ft BKN
Temp / Dewpoint
10° / -6°C
Altimeter
30.21"

Times are UTC (Zulu), as they appear in the report.

What it says

FieldValueWhat that means
Flight categoryVFRVisual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Wind280° at 6 ktDirection is degrees true, as reported.
Visibility10+ SM10 SM is the maximum an automated US station reports; it means 10 or greater.
Ceiling12,000 ft BKNLowest BKN layer, 12,000 ft above the field.
SkyBroken at 12,000 ft AGL
Temperature10°C (50°F)
Dewpoint-6°C (21°F)
Temp/dewpoint spread16°CThe margin before the air reaches saturation.
Altimeter30.21 inHgSet this in the Kollsman window; it is the field’s current sea level pressure setting.
VFRMVFRIFRLIFRhover for the full observation
Flight category
02:0008:0014:0020:0001:00
Wind · kt (gust shading)
Ceiling · ft (log scale, ▲ = unlimited)
Visibility · SM
All 24 stored observations time · category · wind · visibility · ceiling · temp
TimeCategoryWindVisibilityCeilingTemp
0855Z VFR 270° at 6 kt 10+ SM Clear 7°C
0955Z VFR 010° at 5 kt 10+ SM Clear 3°C
1055Z VFR 000° at 0 kt 10+ SM Clear 5°C
1155Z VFR 000° at 0 kt 10+ SM Clear 3°C
1255Z VFR 000° at 0 kt 10+ SM Clear 3°C
1355Z VFR 000° at 0 kt 10+ SM Clear 2°C
1455Z VFR 000° at 0 kt 10+ SM Clear 7°C
1555Z VFR 120° at 3 kt 10+ SM Clear 11°C
1655Z VFR 140° at 6 kt 10+ SM Clear 15°C
1755Z VFR Variable at 3 kt 10+ SM Clear 17°C
1855Z VFR Variable at 3 kt 10+ SM Clear 18°C
1955Z VFR 000° at 0-10 kt 10+ SM Clear 20°C
2055Z VFR 090° at 8-15 kt 10+ SM Clear 22°C
2155Z VFR 100° at 10-16 kt 10+ SM Clear 22°C
2255Z VFR Variable at 5-12 kt 10+ SM Clear 21°C
2355Z VFR 110° at 8 kt 10+ SM Clear 20°C
0055Z VFR 340° at 7 kt 10+ SM Clear 19°C
0155Z VFR 330° at 8 kt 10+ SM Clear 18°C
0255Z VFR 310° at 6 kt 10+ SM Clear 17°C
0355Z VFR 270° at 4 kt 10+ SM Clear 12°C
0455Z VFR 000° at 0 kt 8 SM Clear 12°C
0555Z VFR 000° at 0 kt 10+ SM Clear 12°C
0655Z VFR 260° at 5 kt 10+ SM Clear 9°C
0755Z VFR 280° at 6 kt 10+ SM 12,000 ft 10°C

Frequently asked

What is the current METAR at KMMH?

The 21 Sep 2026 0755Z observation at Mammoth Yosemite reads: METAR KMMH 210755Z AUTO 28006KT 10SM BKN120 10/M06 A3021 RMK AO2

Is KMMH VFR right now?

Mammoth Yosemite is reporting VFR. Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

How often is the KMMH METAR updated?

Routine observations are issued hourly, usually in the 5 minutes before the hour. A SPECI is issued between them whenever conditions change significantly — a ceiling or visibility crossing a category threshold, a wind shift, or the onset of precipitation or a thunderstorm.

More about KMMH

Observations from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

Something here wrong or out of date? Report a data problem.