WxDecoder

US-4940 Weather Sandy Rock Airport

Gildford, MontanaElevation 2,890 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KHVR · 23 NM E · More than 1 hour old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KHVR
WIND
090@10
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 264° at 7 kt, gusting 11 kt, temperature 5.56C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 25F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 25 E 11 kt 17 kt 0%
Monday Mostly Cloudy 51/30 E 8 kt – 49%
Tuesday Rain And Snow Likely 50/30 SW 11 kt 19 kt 64%
Wednesday Mostly Sunny 51/24 W 7 kt – 15%
Thursday Mostly Cloudy 42/22 NNE 8 kt – 33%
Friday Slight Chance Light Snow then Mostly Cloudy 41/22 NE 7 kt – 20%
Saturday Partly Sunny 46/25 SW 5 kt – 13%
Sunday Mostly Sunny then Slight Chance Light Rain 48 W 5 kt – 21%

Source: National Weather Service (office TFX). Forecast issued 0155Z.

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
2 runways
NESW1735826
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

2 runways · longest 3,490 ft

08/26
Dimensions
2,550 x 90 ft
Surface
Turf
RWY 08
RWY 26
17/35
Dimensions
3,490 x 90 ft
Surface
Turf
RWY 17
RWY 35

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
2,890 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0013Z 6:13 PM
Sunrise
1358Z 7:58 AM
Loggable night
0045Z (6:45 PM local) → 1325Z (7:25 AM local)
end of evening to start of morning civil twilight
Position lights required
0013Z (6:13 PM local) → 1358Z (7:58 AM local)
sunset to sunrise (91.209)
Night passenger currency
0113Z (7:13 PM local) → 1258Z (6:58 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

Sandy Rock Airport is in Gildford, Montana. Field elevation 2,890 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJUSTIIN MILLER
Manager phone406-376-3228
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAUS-4940
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates48.6153, -110.3249
Distance from city3 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

US-4940 has no on-field report. Nearest reporting station: KHVR (23 NM E, VFR).

KHVR Havre City County Airport
23 NM E
VFR
KSBX Shelby Airport
62 NM W
VFR
KGTF Great Falls International Airport
80 NM SW
VFR
KCTB Cut Bank International Airport
82 NM W
VFR
CYXH Medicine Hat Regional Airport
86 NM N
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
›PRVDD VFR OPNS AND PVT USE ONLY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4940 on OurAirports
FREQUENTLY ASKED
Does US-4940 have a METAR?
No on-field METAR is issued for US-4940. This page uses the nearest reporting station as a reference.
Does US-4940 have a TAF?
No TAF is issued directly for US-4940. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4940?
US-4940 sits at 2,890 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4940?
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.