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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 12/30
Active: 12
|
3,224 ft | 75 ft | ASP | 136° |
↑ 1.9 kt
•
↔ 10.8 kt
80° angle
|
|
✈️ 8/26
Active: 26
|
8,703 ft | 150 ft | ASP | 91° |
↑ 5.5 kt
•
↔ 9.5 kt
60° angle
|
Weather Statistics - KTWF
4,642 observations | Sep 2025 - Mar 2026Flight Rules Distribution
Joslin Field Magic Valley Regional Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 81.6% of the time. Prevailing winds are from the S averaging 9 knots, with gusts recorded up to 42 knots. Temperature extremes range from -9°C to 29°C, reflecting significant seasonal variation. The best months for VFR flying are September, December, October.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 4,642 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.
Joslin Field Magic Valley Regional Airport - Airport Information
Airport Details
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Runway Information
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About Joslin Field Magic Valley Regional Airport
Overview
Joslin Field Magic Valley Regional Airport serves Twin Falls, Idaho, situated at 4,154 feet mean sea level. As a medium-sized regional airport, it provides critical aviation infrastructure for south-central Idaho, supporting both commercial and general aviation operations with two paved runways.
Flying Conditions
The airport experiences predominantly visual flight rules (VFR) conditions, with 81.5% of observations in VFR status. Temperature variations are significant, ranging from -9°C to 29°C, which pilots should anticipate when planning flights. Prevailing winds from the south (180°) average 8.8 knots, with occasional gusts up to 42 knots.
Notable Features
Located at 42.481800, -114.487999, the airport features two asphalt runways: a shorter 3,224-foot runway (12/30) and a substantial 8,703-foot runway (8/26). The elevated terrain at 4,154 feet MSL requires careful performance calculations, particularly during temperature extremes. Wind conditions favor Runway 12/30, with 100% favorable wind alignment and an average crosswind of 6.2 knots.
Approach Considerations
September, December, and October represent the most consistent VFR months for operations. Visibility averages 9.3 statute miles, with only 2% of observations below 3 statute miles. Pilots should be prepared for occasional reduced visibility conditions, with fog present in 4.1% of observations and potential marginal VFR or IFR transitions.
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
Relevant guides based on current conditions at KTWF
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.