[/] search [ENTER] submit ICAO [ESC] clear 5,740 STATIONS · WORLDWIDE

// Station · 58m ago

KMCW

Mason City Municipal Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 18.9°C / 16.1°C
ALTIM 29.96 inHg
ELEV 1,213 FT
43.1598°N / 93.3297°W
LOCATION · Mason City, US
N
WIND
calm
KMCW · 1,213 FT
© OSM · CartoDB

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

METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
19 / 16
 
 
 
ALTIM
29.96"
 
 
 

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 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 KMCW 270853Z AUTO 10SM CLR 19/16 A2996 RMK AO2 SLP131 60001 T01890161 53004

KMCW · day 27 at 08:53 UTC · winds calm · visibility 10+ SM · temp 19°C / dewpoint 16°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.1 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
CALMcalm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
18 HDG 180° CALM 6,501'
36 HDG 360° CALM 6,501'
12 HDG 120° CALM 5,502'
30 HDG 300° CALM 5,502'
Pattern altitude: 2,213 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +6°C

1,900FT
+687 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
3,700 2,550 1,400
24h AGO18h12h6hNOW
FIELD ELEV1,213 FT OAT+19°C ISA DELTA+6°C PRESSURE ALT1,172 FT
// Performance equivalent Operating here right now feels like operating at KGRI (Central Nebraska Regional Airport, Grand Island, elev 1,847 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 10,758 FT KMCW ELEV · 1,213 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL10,758 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:40ZSUNRISE
18:11ZSOLAR NOON
01:43ZSUNSET
02:17ZCIVIL END
CURRENT09:51Z DAYLIGHT REMAINING15h 52m VFR NIGHT BEGINS02:17Z (16h 26m) DAY LENGTH15h 02m
Waxing Gibbous
ILLUMINATION82% MOONRISE19:21Z MOONSET10:23Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 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 →