Lemhi County Airport (KSMN) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Lemhi County Airport in Salmon, ID, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Lemhi County Airport (KSMN) is a regional airport serving Salmon, ID at 4,043 ft. KSMN reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (17, 35), longest 5,510 ft, are checked against the current wind in the crosswind table below. Automated weather is broadcast on 135.075. Track KSMN in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.
Wind calm, visibility 10+ statute miles, no cloud data, temperature 13°C (56°F), altimeter 29.88 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSMN 130456Z AUTO 00000KT 10SM CLR 13/04 A2988 RMK AO2 SLP099 T01330044
What changed at KSMN?
Since the 0356Z (9:56 PM MDT) report, compared automatically against the latest METAR.
No significant changes since the 0356Z report, conditions are holding steady.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KSMN's weather changes, free →
Current pilot readout for KSMN
KSMN is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 4,850 ft (field elevation 4,043 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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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 TelegramStaying over at KSMN
For pilots and crews overnighting at Lemhi County Airport (KSMN).
Nearby Pilot Hotel Deals
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Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KSMN. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 17 | 5,510 ft | ASP | - | - |
| 35 | 5,510 ft | ASP | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→0 kt, ceiling unlimited → unlimited.
KSMN weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Lemhi County Airport in Salmon, ID: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KSMN is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. 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. Wind most often came from the SE.
Most recent change: LIFR → VFR
- 17
- 56%
- 35
- 44%
TAF | Terminal Aerodrome Forecast
Issued 2332Z (5:32 PM MDT)
TAF KSMN 122332Z 1300/1324 VRB06KT P6SM BKN150 FM131900 24010G20KT P6SM SKC
New to TAFs? How to read one →
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We'll message you on Telegram the moment a new METAR changes the picture at KSMN (Lemhi County Airport): flight category, wind, or ceiling past your minimums.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KSMN
- IATA
- SMN
- FAA LID
- SMN
- City
- Salmon
- State
- Idaho
- Country
- United States
- Elevation
- 4,043 ft
- Coordinates
- 45.1222, -113.8820
- Runways
- 2
- Longest runway
- 5,510 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- AWOS/ASOS
- 135.075 MHz
- Time zone
- America/Denver
- Next sunset
- 20h 27m
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
KSMN weather: frequently asked
What runways are available at KSMN?+
KSMN has 2 runways: 17, 35; the longest is 5,510 ft. This page computes the live crosswind for each runway end from the current wind.
Does KSMN report its own weather?+
Yes. Lemhi County Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KSMN have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KSMN broadcast D-ATIS?+
No. KSMN does not broadcast D-ATIS. Alerts for KSMN from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
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.
Why pilots use ATIS Alerts
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- Get pinged the moment KSMN drops below VFR or a new report moves your numbers.
- Live METAR, TAF, crosswinds, and FAA delays: one link, always current.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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