WxDecoder

42CO Weather Ptarmigan Heliport

Evergreen, ColoradoElevation 8,198 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KBJC · 18 NM NE · 18 min old
Ceiling 2,700 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBJC
WIND
340@7
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,700 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 340° at 9 kt, visibility 10 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight chance rain showers, low near 35F, 51% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Chance Rain Showers 35 S 3 kt – 51%
Monday Mostly Sunny 49/35 SSW 4 kt – 11%
Tuesday Sunny 58/34 WSW 8 kt – 0%
Wednesday Sunny 58/34 SSW 7 kt – 0%
Thursday Mostly Sunny 54/37 SE 6 kt – 1%
Friday Partly Sunny 54/36 SSE 6 kt – 20%
Saturday Partly Sunny then Chance Rain Showers 50/35 WNW 4 kt – 26%
Sunday Chance Rain And Snow Showers 48 SSW 5 kt – 52%

Source: National Weather Service (office BOU). Forecast issued 0252Z.

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
Crosswind calculator
No runway layout is available for 42CO. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

2 runways

H1
Dimensions
100 x 100 ft
Surface
Mats
RWY H1
H2
Dimensions
45 x 45 ft
Surface
Asphalt
RWY H2

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

FIELD CONDITIONS

Field elevation

Field elevation
8,198 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0008Z 6:08 PM
Sunrise
1323Z 7:23 AM
Loggable night
0036Z (6:36 PM local) → 1255Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
0008Z (6:08 PM local) → 1323Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
0108Z (7:08 PM local) → 1223Z (6:23 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

Ptarmigan Heliport is in Evergreen, Colorado. Field elevation 8,198 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerKATHLEEN MAYER
Manager phone720-321-3920
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA42CO
SectionalDENVER
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates39.6875, -105.3960
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

42CO has no on-field report. Nearest reporting station: KBJC (18 NM NE, MVFR).

KBJC Rocky Mountain Metropolitan Airport
18 NM NE
MVFR
KBDU Boulder Municipal Airport
23 NM N
MVFR
KAPA Centennial Airport
26 NM E
MVFR
KBKF Buckley Space Force Base
30 NM E
MVFR
KDEN Denver International Airport
35 NM E
IFR
KCFO Colorado Air and Space Port
40 NM E
IFR
AIRPORT REMARKS

Operational remarks

›PRVDD VFR OPNS AND PVT USE ONLY.
›FOR CD CTC DENVER APCH AT 303-342-1916.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗42CO on OurAirports
FREQUENTLY ASKED
Does 42CO have a METAR?
No on-field METAR is issued for 42CO. This page uses the nearest reporting station as a reference.
Does 42CO have a TAF?
No TAF is issued directly for 42CO. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 42CO?
42CO sits at 8,198 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 42CO?
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.