WxDecoder

US-4771 Weather Kremmling Memorial Hospital Heliport

Granby, ColoradoElevation 7,918 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KBDU · 32 NM E · 24 min old
Ceiling 4,700 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBDU
WIND
360@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
4,700 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 300° at 5 kt, visibility 10 SM, temperature 4.8C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight rain showers likely, low near 32F, 67% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 30 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Rain Showers Likely 32 SW 3 kt – 67%
Monday Slight Chance Rain Showers then Partly Sunny 52/22 W 8 kt 14 kt 24%
Tuesday Sunny 53/20 WSW 20 kt 30 kt 0% Strong winds in the forecast
Wednesday Sunny 56/20 SW 13 kt – 0%
Thursday Mostly Sunny 58/24 SW 7 kt – 1%
Friday Partly Sunny 58/25 SSW 8 kt – 28%
Saturday Chance Rain And Snow Showers 53/23 W 6 kt – 29%
Sunday Partly Sunny then Rain Showers Likely 53 WSW 6 kt – 62%

Source: National Weather Service (office BOU). Forecast issued 0119Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
Crosswind calculator
No runway layout is available for US-4771. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 44 ft

H1
Dimensions
44 x 44 ft
Surface
Concrete
Edge lights
MED
RWY H1

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
7,918 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0010Z 6:10 PM
Sunrise
1325Z 7:25 AM
Loggable night
0037Z (6:37 PM local) → 1258Z (6:58 AM local)
end of evening to start of morning civil twilight
Position lights required
0010Z (6:10 PM local) → 1325Z (7:25 AM local)
sunset to sunrise (91.209)
Night passenger currency
0110Z (7:10 PM local) → 1225Z (6:25 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

Kremmling Memorial Hospital Heliport is in Granby, Colorado. Field elevation 7,918 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerMAH ROBINSON
Manager phone(970) 724-3162
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAUS-4771
SectionalCHEYENNE
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates40.0763, -105.9253
Distance from city1 NM SE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

US-4771 has no on-field report. Nearest reporting station: KBDU (32 NM E, VFR).

KBDU Boulder Municipal Airport
32 NM E
VFR
KBJC Rocky Mountain Metropolitan Airport
39 NM E
VFR
KFNL Northern Colorado Regional Airport
47 NM NE
VFR
KSBS Steamboat Springs Bob Adams Field
51 NM NW
VFR
KEGE Eagle County Regional Airport
53 NM SW
VFR
KLXV Lake County Airport
54 NM S
VFR
AIRPORT REMARKS

Operational remarks

›PRIVATE HELISTOP FOR MED AIRLIFT SERVICES. HELISTOP IS LGTD BUT LGTS ARE NOT PILOT CLTD. PILOT MUST CALL HOSPITAL PRIOR TO LANDING TO ACTIVATE PAD LGTS. NO FUEL AVBL ON SITE. FUEL IS AVBL AT KGNB, ROUGHLY 2 MIS N OF HELISTOP.
›FOR CD CTC DENVER ARTCC AT 303-651-4257.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4771 on OurAirports
FREQUENTLY ASKED
Does US-4771 have a METAR?
No on-field METAR is issued for US-4771. This page uses the nearest reporting station as a reference.
Does US-4771 have a TAF?
No TAF is issued directly for US-4771. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4771?
US-4771 sits at 7,918 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4771?
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.