Lemhi County Airport
SMN · KSMN · Salmon, ID · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:32 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:50 AM | 11:50Z |
| Sunrise | 06:24 AM | 12:24Z |
| Sunset | 08:59 PM | 02:59Z |
| Evening civil twilight Loggable night begins | 09:32 PM | 03:32Z |
Plan a flight from KSMN
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 17LEFT traffic
- Heading
- 175° mag · 188° true
- Dimensions
- 5,510 × 75 ft
- TPA
- 5,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (left) (3.5°)
- CTAF
- 122.8
Enter the left downwind (heading 355°) on the 45° at 5,000 ft MSL (≈1,000 AGL).
More details — RWY 17
- Threshold elev
- 4,036 ft
- Markings
- none
- Threshold crossing height
- 55 ft
- TDZ elevation
- 4,041 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 5,510 ft |
Prefer one flat page? Full runway details for KSMN → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSMN kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Salmon”Taxi & takeoff
“Salmon”Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 338.3 | SALMON RCAG (LOW/HIGH) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
LKT 113.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LKT · Salmon | VOR/DME | 113.50 · 82X | High | r042° / 10.5 NM |
Prefer one flat list? All KSMN frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KSMN, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KSMN / SMN
- Coordinates
- 45.1222, -113.8820
- Elevation
- 4,044 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3PT · 135.075 · ☎ 208-756-4381
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- SMN
- Attendance
- ALL 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 4 S
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RY 17/35; REIL RY 17 & RY 35 AND PAPI RY 17 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 17: 4-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Charter, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 6 notes
General
- RETROREFLECTIVE REFLECTORS ON PARALLEL TWY AND RAMP AREA.
- TAXIWAY ACCESS TO AIRCRAFT RAMP LOCATED ON SE END OF AIRPORT IS CLSD.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -12C.
Runways
- USE RGT TFC PATTERN FOR NIGHT OPNS ONLY.
Lighting
- ACTVT MIRL RY 17/35; REIL RY 17 & RY 35 AND PAPI RY 17 - CTAF.
Obstructions
- +1000' MOUNTAIN AT 3 MILES.
Embed KSMN weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KSMN — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: ID50 Flying Coyote Ranch Airport (private) (8 NM) · ID89 Big Flat Airport (private) (9 NM) · 35ID Bluebird Airport (private) (12 NM) · 8ID8 Lewis and Clark Airstrip (private) (14 NM) · 18MT Fish Ranch Airport (private) (17 NM) · 4D2 Hoodoo Meadows Airport (29 NM)
About KSMN
Lemhi County Airport (SMN · KSMN) is an airport in Salmon, ID, at 4,044 ft MSL. It has 1 runway, the longest 5,510 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSMN, refreshed from the Aviation Weather Center and FAA NASR.
Does KSMN have a control tower?
No. Lemhi County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KSMN?
Lemhi County Airport has 1 runway; the longest is 5,510 ft. See the Runways section for headings, surface, and lighting.
Where is KSMN?
Lemhi County Airport is in Salmon, ID, at an elevation of 4,044 ft MSL. Coordinates: 45.1222, -113.8820.
Fly out of KSMN often?
Save KSMN as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KSMN in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.