Lemhi County Airport (KSMN) Aviation Weather: METAR & TAF
As of 10:56 AM MDT, Oct 28, KSMN is currently VFR with winds from 180° at 15 knots gusting 20, visibility 10+ statute miles, and no ceiling reported.
Live aviation weather for Lemhi County Airport in Salmon, ID, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter and runway crosswinds.
Lemhi County Airport (KSMN) is a regional airport serving Salmon, ID at a field elevation of 4,044 ft. KSMN reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has one runway (17/35), the longest 5,510 ft. Automated weather is broadcast on 135.075.
Wind from the south (180°) at 15 kt, gusting 20 kt, visibility 10+ statute miles, no cloud data, temperature 8°C (47°F), altimeter 30.02 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSMN 281656Z AUTO 18015G20KT 10SM CLR 08/M03 A3002 RMK AO2 SLP173 T00831028
What changed at KSMN?
Since the 1556Z (9:56 AM MDT) report, compared automatically against the latest METAR.
- Gusts began, now gusting 20 kt.
- Wind speed up from 10 to 15 kt.
Current pilot readout for KSMN
KSMN is currently VFR with winds from 180° at 15 knots gusting 20, visibility 10+ statute miles, and no ceiling reported. the wind favors south-facing runway ends (17). Density altitude is approximately 4,100 ft (field elevation 4,044 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 |
|---|---|---|---|---|
| 17FAV | 5,510 ft | ASP | 15 kt head | 2 kt left (g3) |
| 35 | 5,510 ft | ASP | 15 kt tail | 2 kt right (g3) |
Open the crosswind calculator to try your own wind and runway numbers →
KSMN 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 17/355,510 × 75 ft · ASPCurrent useno stated-runway source at KSMNWind
- 17
- 15 kt headwind · 2 kt crosswind from left
- 35
- 15 kt tailwind · 2 kt crosswind from right
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 13→15 kt, ceiling 6,000 ft → unlimited.
KSMN 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.
Recent aviation weather trends at KSMN
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KSMN reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 22 kt, the lowest ceiling was 6,000 ft. Wind most often came from the S.
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 17
- 55%
- 35
- 45%
TAF | Terminal Aerodrome Forecast
Issued 1720Z (11:20 AM MDT)
TAF KSMN 281720Z 2818/2918 18012G18KT P6SM FEW070 FM282000 21012G18KT P6SM FEW080 FM290000 17005KT P6SM SCT200
New to TAFs? How to read one →
Get KSMN weather alerts in Telegram
Stop refreshing aviation weather manually. Track KSMN in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track KSMN free on TelegramLive KSMN Weather
Live crosswind meter
Measured by KSMN's own weather station.
Wind is 8° off runway 17, the end with the most headwind right now.
Asphalt · 5,510 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 17/35 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
- Fuel
- 100 (green) · Jet A
- Attended
- Daily 0800-1700 local
- Repairs
- Airframe & engine, major
- Transient parking
- Tie-downs
- Landing fee
- No
- Other services
- Charter · Flight instruction · Aircraft rental
- Control tower
- None
- Wind indicator
- Lighted
Airport
- Type
- Regional airport
- ICAO
- KSMN
- IATA
- SMN
- FAA LID
- SMN
- City
- Salmon
- State
- Idaho
- Country
- United States
- Elevation
- 4,044 ft
- Coordinates
- 45.1222, -113.8820
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 5,510 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- AWOS/ASOS
- 135.075 MHz
- Time zone
- America/Denver
- Sunset in
- 6h 59m
Run a flight school, FBO, or club here? Embed KSMN'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
5 airports25–50 NM
9 airports+3 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Salmon RC Flyers - Holcomb Field , Salmon, ID · 5 mi
Customize your SMN shirt or mug
SMN's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Lemhi County Airport (KSMN)
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 Lemhi County 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 KSMN 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.
No D-ATIS at this airport, showing METAR.
Spotted incorrect airport info? ✏️ Suggest an edit