[/] search [ENTER] submit ICAO [ESC] clear 5,740 STATIONS · WORLDWIDE
// STALE Observation is 1h 7m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 7m ago · STALE

KMWN

Mount Washington Observatory
CAT LIFR
WIND 010° / 25 kt
VIS 0.13 SM
CEILING
T/Td -1.6°C / -2.1°C
ALTIM — inHg
WX FZFG
ELEV 6,288 FT
44.2703°N / 71.3033°W
N
WIND
010°25 kt
KMWN · 6,288 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
010°/25
 
 
 
VIS
0.13 SM
 
 
 
CEILING
 
 
 
LAYERS
OVX001
 
 
 
T / Td
-2 / -2
 
 
 
ALTIM
 
 
 

// Interpretation

LIFR — visibility 0.13 SM. Strong winds at 010°/25 kt, visibility 0.13 SM, ovx at 100 ft. Reported weather: FZFG. Reported weather: FZFG. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

// Want this glance-able on 10 airports? METAR Deck →

// Raw observation METAR string + decoded

METAR KMWN 301959Z 01025KT 1/8SM FZFG VV001 M02/M02 RMK FZFG INTMT INTMT PRFG T10161021

KMWN · day 30 at 19:59 UTC · wind from 010° at 25 kt · visibility 0.13 SM · ovx at 100 ft · temp -2°C / dewpoint -2°C · weather: FZFG

// Runway analysis

No runway data on file for KMWN.

// Density altitude · ISA -4°C

5,800FT
-488 FT BELOW FIELD ELEV
FIELD ELEV6,288 FT OAT-2°C ISA DELTA-4°C PRESSURE ALT6,288 FT
// Performance equivalent Operating here right now feels like operating at KFCS (Butts AAF (Fort Carson) Air Field, Fort Carson, elev 5,838 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+58%
-41%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+41%
-26%
Light jetCJ4, Phenom 300, M2
+23%
-17%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,288 FT KMWN ELEV · 6,288 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL6,288 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:07ZSUNRISE
16:44ZSOLAR NOON
00:21ZSUNSET
00:56ZCIVIL END
CURRENT21:06Z DAYLIGHT REMAINING3h 14m VFR NIGHT BEGINS00:56Z (3h 49m) DAY LENGTH15h 14m
Full Moon
ILLUMINATION100% MOONRISE20:36Z MOONSET11:51Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 60 NM radius

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
// Want this on your Stream Deck? METAR Deck shows real-time category and conditions for any 10 airports — built by the team that ships this page.
Get METAR Deck →