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

// Station · 22m ago

KHLN

Helena Regional Airport
CAT VFR
WIND 110° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 27.2°C / 11.1°C
ALTIM 29.94 inHg
ELEV 3,877 FT
46.6068°N / 111.9830°W
LOCATION · Helena, US
N
WIND
110°4 kt
KHLN · 3,877 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
110°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
27 / 11
 
 
 
ALTIM
29.94"
 
 
 

// Interpretation

VFR with light winds at 110°/4 kt. 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 KHLN 111753Z 11004KT 10SM CLR 27/11 A2994 RMK AO2 SLP114 T02720111 10272 20150 56003

KHLN · day 11 at 17:53 UTC · wind from 110° at 4 kt · visibility 10+ SM · temp 27°C / dewpoint 11°C · altimeter 29.94" Hg · automated station w/ precipitation discriminator · sea-level pressure 1011.4 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
110°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 6 ends
09 HDG 090° CALM 9,000'
27 HDG 270° CALM 9,000'
05 HDG 050° CALM 4,644'
23 HDG 230° CALM 4,644'
16 HDG 160° CALM 2,989'
34 HDG 340° CALM 2,989'
Pattern altitude: 4,877 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 +20°C

6,200FT
+2,323 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
7,300 5,850 4,400
24h AGO18h12h6hNOW
FIELD ELEV3,877 FT OAT+27°C ISA DELTA+20°C PRESSURE ALT3,854 FT
// Performance equivalent Operating here right now feels like operating at KRED (Red Lodge Airport, Red Lodge, elev 5,763 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+62%
-43%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+43%
-28%
Light jetCJ4, Phenom 300, M2
+25%
-19%

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 · 17,614 FT KHLN ELEV · 3,877 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,614 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:47ZSUNRISE
19:34ZSOLAR NOON
03:22ZSUNSET
04:00ZCIVIL END
CURRENT18:15Z DAYLIGHT REMAINING9h 06m VFR NIGHT BEGINS04:00Z (9h 44m) DAY LENGTH15h 34m
Waning Crescent
ILLUMINATION10% MOONRISE09:19Z MOONSET00:54Z FULL MOON IN18 days

// Nearest reporting stations · 3 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 →