DM
Datamask Aviation
METAR · TAF · OPMET
KSMN· SMN· Salmon

Lemhi County Airport

medium airport · elevation 4,043 ft (1232 m)
12:49Z 02:29Z Day
Current METARVFR
5 min ago·21:56Z
KSMN 242156Z AUTO 32005KT 10SM CLR 28/05 A3010 RMK AO2 SLP162 T02830050
Wind
320° 5 kt
Visibility
10 SM
Ceiling
CLR
Temperature
28°C / 5°C
temp / dew
QNH
1019 hPa
30.10 inHg
Clouds
CLR
Weather
Station
KSMN
Remarks
automated station with a precipitation discriminator sea level pressure of 1016.2 HPa hourly temperature of 28.3°C and dew point of 5.0°C
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (1)
  • SIGMETCONVECTIVESEV
    24 21:55Z24 23:55Z
    SFC – 45,000 ft
PIREPs (0)
None reported in area.
Wind & Runways
NESW5 kt320°
Wind arrow points downwind.
Runways
17/351679 mASP
Runway components
RunwayHead/TailCrosswind
RWY 17/35TW 3 ktXW 4 kt R
45.1222°, -113.8820°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 17/35 (use 35)PreferredHW 34 L
Density altitude
6,408 ft
elevation 4,043 ft
ISA deviation
+21.0°C
large deviation
Frequencies (community-maintained, cross-check AIP)KSMN
  • AWOSAWOS 3135.075
  • CNTRSALT LAKE CITY CNTR132.400
  • RDOBOISE RDO122.550
  • UNICCTAF/UNICOM122.800
Navaids near airportwithin 30 NM
IdentTypeFreqDist (NM)Power
LKTVOR-DME113.50 MHz10.5HIGH
Runways1

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 17/355,510 ft (1,679 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)KSMN
Wind11 kt
Vis16.1 km
Temp31°C
QNH1014 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=310
NESWCALM28%
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)Lemhi County Airport
Diagram unavailable for Lemhi County Airport.
Terminal Aerodrome Forecast
Issued 2026/08/24 18:22 UTC
VFRBASE24/18Z → 24/21ZVRB6KT · 6 SM · SCT200
Wind: VRB6KT
Visibility: 6 SM
Clouds: SCT200
TAF KSMN 241720Z 2418/2518 VRB06KT P6SM SCT200
VFRFM24/21Z → 25/01Z0107KT · 6 SM · SCT150
Wind: 0107KT
Visibility: 6 SM
Clouds: SCT150
FM242100 01007KT P6SM SCT150
VFRFM25/01Z → 25/18ZVRB4KT · 6 SM · SCT150
Wind: VRB4KT
Visibility: 6 SM
Clouds: SCT150
FM250100 VRB04KT P6SM SCT150
Raw TAF
TAF KSMN 241720Z 2418/2518 VRB06KT P6SM SCT200 FM242100 01007KT P6SM SCT150 FM250100 VRB04KT P6SM SCT150
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