West Mountain Airport (3ID9) Area Aviation Weather & Runway Winds
As of 10:51 AM MDT, Oct 27, based on the nearest station (KMYL), 3ID9 is currently VFR with winds from 160° at 8 knots, visibility 10+ statute miles, and a 4,300 ft ceiling.
Aviation weather near West Mountain Airport in Cascade, ID, decoded from the nearest reporting station (KMYL): conditions and runway crosswinds.
West Mountain Airport (3ID9) is a general aviation airport serving pilots in and around Cascade, ID at a field elevation of 4,842 ft. 3ID9 has no weather station of its own. Conditions here are decoded from KMYL, about 21 nm away, the nearest reporting station, and local conditions can differ. It has one runway (14/32), the longest 2,400 ft. The nearest TAF is issued for KMYL.
No weather station at this airport: showing the nearest station KMYL, 21.3 nm away.
Wind from the south-southeast (160°) at 8 kt, visibility 10+ statute miles, broken clouds at 4,300 ft, overcast at 5,000 ft, temperature 2°C (35°F), altimeter 30.01 inHg. Conditions are Visual Flight Rules (VFR), ceiling 4,300 ft.
METAR KMYL 271651Z AUTO 16008KT 10SM BKN043 OVC050 02/01 A3001 RMK AO2 SLP181 T00170006 $
What changed at KMYL (nearest station)?
Since the 1604Z (10:04 AM MDT) report, compared automatically against the latest METAR.
No significant changes since the 1604Z (10:04 AM MDT) report, conditions are holding steady.
Current pilot readout for 3ID9
Based on the nearest station (KMYL), 3ID9 is currently VFR with winds from 160° at 8 knots, visibility 10+ statute miles, and a 4,300 ft ceiling. the wind favors southeast-facing runway ends (14). Density altitude is approximately 4,300 ft (field elevation 4,842 ft). Review the latest TAF below for forecast changes before departure.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 14FAV | 2,400 ft | Turf | 8 kt head | 2 kt right |
| 32 | 2,400 ft | Turf | 8 kt tail | 2 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
3ID9 runways
1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 14/322,400 × 45 ft · TurfCurrent useno stated-runway source at 3ID9Wind
- 14
- 8 kt headwind · 2 kt crosswind from right
- 32
- 8 kt tailwind · 2 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 5→8 kt, ceiling 4,500 ft → 4,300 ft.
3ID9 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Pilot reports (PIREPs) within 100 NM of 3ID9
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SMN UA /OV LKT180025/TM 1537/FL330/TP A21N/TB LGT CHOP/ZLC
SMN UAHeader: reporting station and UA: a routine pilot report.OV LKT180025Location: fix or navaid, optionally with a radial and distance in NM.TM 1537Reported at 15:37 UTC.FL330Altitude: 33,000 ft MSL.TP A21NAircraft type reporting.TB LGT CHOP/ZLCTurbulence: light chop/zlc.Show raw report
GEG UA /OV MQG090070/TM 1416/FL350/TP B738/TB CONS LGT CHOP /RM DURC REPORTED SMOOTHER 345 AND BELOW ZSE
GEG UAHeader: reporting station and UA: a routine pilot report.OV MQG090070Location: fix or navaid, optionally with a radial and distance in NM.TM 1416Reported at 14:16 UTC.FL350Altitude: 35,000 ft MSL.TP B738Aircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.RM DURC REPORTED SMOOTHER 34…Remarks.Show raw report
BOI UA /OV BOI210040/TM 1247/FL240/TP E75/TB CONS LGT CHOP BLO 240/ZLC
BOI UAHeader: reporting station and UA: a routine pilot report.OV BOI210040Location: fix or navaid, optionally with a radial and distance in NM.TM 1247Reported at 12:47 UTC.FL240Altitude: 24,000 ft MSL.TP E75Aircraft type reporting.TB CONS LGT CHOP BLO 240/ZLCTurbulence: continuous light chop blo 240/zlc.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 3ID9
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KMYL reported a mix of conditions, most often VFR across 46 observations, with 19 flight-category changes. The strongest gust reached 20 kt, the lowest ceiling was 100 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Most recent change: IFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 32
- 72%
- 14
- 28%
TAF | Terminal Aerodrome Forecast
Issued 1722Z (11:22 AM MDT)
TAF KMYL 271722Z 2718/2818 19007KT P6SM VCSH SCT025 OVC040 PROB30 2718/2721 6SM -SHRASN BR OVC020 FM280000 VRB05KT P6SM OVC040 PROB30 2807/2810 6SM -SHSN BR OVC025
New to TAFs? How to read one →
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Live crosswind meter
3ID9 has no weather feed online, so the wind comes from KMYL, 21 nm away.
Wind is 18° off runway 14, the end with the most headwind right now.
Have a weather station at 3ID9? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 2,400 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 14/32 drawn from FAA threshold coordinates.
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Control tower
- None
Airport
- Type
- General aviation airport
- FAA LID
- 3ID9
- City
- Cascade
- State
- Idaho
- Country
- United States
- Elevation
- 4,842 ft
- Coordinates
- 44.5342, -116.1124
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 2,400 ft
- Weather reporting
- Nearest station KMYL
- TAF
- Nearest KMYL
- Time zone
- America/Boise
- Sunset in
- 6h 59m
Run a flight school, FBO, or club here? Embed 3ID9's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Payette River Flying Circus - Donald D Coski Memorial Airport , Donnelly, ID · 13 mi
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3ID9's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for West Mountain Airport (3ID9)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for West Mountain Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for 3ID9 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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