3ID9 Weather West Mountain Airport

Cascade, IdahoElevation 4,842 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KMYL · 21 NM N · 50 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMYL
WIND
190@3
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 144° at 1 kt, visibility 1.2 SM, temperature 2C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon mostly sunny, high near 50F, low near 38F, 13% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Monday: Patchy Fog. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Mostly Sunny 50/38 SE 1 kt – 13%
Monday Patchy Fog 47/34 S 3 kt – 75% Thunderstorms in the forecast
Tuesday Rain Showers Likely 39/33 S 4 kt – 59%
Wednesday Chance Rain Showers 44/34 SSW 2 kt – 25%
Thursday Patchy Fog then Partly Sunny 44/33 S 2 kt – 26%
Friday Chance Snow Showers then Slight Chance Rain Showers 44/30 SE 1 kt – 34%
Saturday Chance Snow Showers 45/32 ESE 1 kt – 39%

Source: National Weather Service (office BOI). Forecast issued 2341Z.

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 3ID9. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,400 ft

14/32
Dimensions
2,400 x 45 ft
Surface
Turf (fair)
RWY 14
RWY 32
Traffic patternRight

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
4,842 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0043Z 6:43 PM
Sunrise
1413Z 8:13 AM
Loggable night
0113Z (7:13 PM local) → 1343Z (7:43 AM local)
end of evening to start of morning civil twilight
Position lights required
0043Z (6:43 PM local) → 1413Z (8:13 AM local)
sunset to sunrise (91.209)
Night passenger currency
0143Z (7:43 PM local) → 1313Z (7:13 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

West Mountain Airport is in Cascade, Idaho. Field elevation 4,842 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerPATRICK BOTTE
Manager phone208-794-2204
CHARTS & AIRSPACE
ICAO / IATA3ID9
SectionalSALT LAKE CITY
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)BOISE
RegionIdaho
CountryUnited States
Coordinates44.5342, -116.1124
Distance from city6 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

3ID9 has no on-field report. Nearest reporting station: KMYL (21 NM N, VFR).

FREQUENTLY ASKED
Does 3ID9 have a METAR?
No on-field METAR is issued for 3ID9. This page uses the nearest reporting station as a reference.
Does 3ID9 have a TAF?
No TAF is issued directly for 3ID9. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 3ID9?
3ID9 sits at 4,842 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 3ID9?
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.