Current Weather
Raw METAR
Clouds - Visual Profile
Weather Briefing
VFRLemhi County Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 12,000 feet and 10 SM visibility. Note: This observation is 2.8 hours old and conditions may have changed.
Wind Analysis
Winds are from the northwest (310°) at 12 knots with gusts to 18 knots. Runway 35 is favored with a 9-knot headwind and 8-knot crosswind component (gusting to 12 knots crosswind).
Visibility & Ceiling
Visibility is 10 SM. No ceiling exists. Cloud layers reported: few at 12,000 ft.
Temperature & Moisture
Temperature is 17°C (63°F) with a dewpoint of -6°C, indicating very dry conditions.
Forecast Outlook
The TAF forecast covers the next 20 hours. Conditions are expected to remain VFR throughout the forecast period.
Pilot Recommendations
Conditions are favorable for visual flight.
This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 17/35
Active: 35
|
5,150 ft | 60 ft | ASP | 188° |
↑ 9.2 kt
•
↔ 7.7 kt
40° angle
|
Weather Statistics - KSMN
6,199 observations | Sep 2025 - May 2026Flight Rules Distribution
Lemhi County Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 84% of the time. Prevailing winds are from the N averaging 6.3 knots. Calm conditions occur 50.5% of the time. Temperature extremes range from -17°C to 29°C, reflecting significant seasonal variation. The best months for VFR flying are May, October, March.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 6,199 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.
Lemhi County Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
About Lemhi County Airport
Overview
Lemhi County Airport serves the Salmon, Idaho region as a medium-sized airport situated at an elevation of 4,043 feet MSL. Located at coordinates 45.122233, -113.881960, the airport provides critical aviation infrastructure in a mountainous region of the northwestern United States. Its single runway 17/35 offers 5,150 feet of asphalt surface for regional and general aviation operations.
Flying Conditions
Weather conditions at Lemhi County Airport demonstrate significant variability, with visual flight rules (VFR) prevailing 77.8% of the time. Temperature ranges from -15°C to 28°C, creating diverse flying environments throughout the year. October, September, and November present the most consistently favorable VFR conditions, while visibility averages 9.2 statute miles with occasional reduced visibility periods.
Notable Features
The airport's high elevation and mountainous terrain demand careful navigation and performance planning. Wind patterns are predominantly from the north (0°), with an average speed of 5.7 knots and potential gusts up to 28 knots. Calm wind conditions occur 53.8% of the time, which provides relatively stable approach and departure environments.
Approach Considerations
Runway 17/35 demonstrates excellent wind alignment, with favorable wind conditions 100% of the time and an average crosswind of only 2.9 knots. Pilots should anticipate potential instrument meteorological conditions (IMC), as IFR and LIFR conditions combine for approximately 14.5% of observations. Careful preflight planning and awareness of seasonal weather variations are recommended for safe operations.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
Learn More
Recommended guides based on current conditions at KSMN
Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.