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The Pilots Desk
Medium airportScheduled service

Joslin Field Magic Valley Regional Airport

IATA TWFICAO KTWFLocal TWF🇺🇸 Twin Falls
Coordinates
42.4818°N, 114.4880°W
Elevation
4,154 ft (1,266 m)
Type
Medium airport
Region
US-ID
Time zone
Boise(UTC-06:00)
Magnetic variation
11.9° E

Daylight today(Aug 30, 2026, local time)

Civil dawn
06:33
Sunrise
07:02
Sunset
20:17
Civil dusk
20:46

About 13h 16m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Joslin Field Magic Valley Regional Airport

Joslin Field Magic Valley Regional Airport

Magic Valley Regional Airport, also known as Joslin Field, is a public use airport located four nautical miles (7 km) south of the central business district of Twin Falls, Idaho. The airport is owned by the City and County of Twin Falls. It is mostly used for general aviation but is also served by one commercial airline.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.

Live weather

KTWF
Checking for pilot reports…

NOTAMs

KTWF

Reference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.

NOTAM data via the FAA NOTAM system.

Live departures & arrivals

Loading live flights…

Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

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Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (2)

RunwayLengthWidthSurfaceLightingStatus
08 / 268,704 ft / 2,653 m150 ftAspLightedOpen
12 / 303,224 ft / 983 m75 ftAspUnlitOpen

Radio frequencies (7)

TypeDescriptionFrequency
A/DTWIN FALLS APP/DEP126.700 MHz
ASOSASOS135.025 MHz
CTAFCTAF118.200 MHz
GNDTWIN FALLS GND121.700 MHz
RDOBOISE RDO122.250 MHz
TWRTWIN FALLS TWR118.200 MHz
UNICUNICOM122.950 MHz

Navaids(2)

Airlines & destinations

Airlines (1)
Nonstop destinations (1)

Route data from OpenFlights — historical and may be out of date. Check current schedules.

Instrument procedures & charts

Cycle 2608 · effective Aug 6, 2026 – Sep 3, 2026 Not for navigation — confirm currency on the official FAA source.

Airport diagram (1)

Instrument approaches (4)

Departure procedures (SIDs) (1)

Takeoff & alternate minimums (2)

Runway hot spots (1)

Land-and-hold-short (LAHSO) (1)

Showing 10 of 12 FAA procedures on this overview. Always fly the current, official chart. Full charts page.

Airspace in this area(3)

NameClassTypeFloorCeiling
TWIN FALLS CLASS DClass DControlledGND6700 ft MSL
TWIN FALLS CLASS E2Class EControlledGND17999 ft MSL
DZ PID005 MAY-OCT WKNDSSpecial useDangerGND14500 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Weather by month

Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.

Prevailing wind: SSW (from about 202.5°), on 16% of observations, averaging 9 kt.

MonthVFR / MVFR / IFR / LIFR% VFRMedian DA
Jan79%2,970 ft
Feb86%3,275 ft
Mar91%3,720 ft
Apr95%4,174 ft
May95%4,776 ft
Jun99%5,449 ft
Jul98%6,088 ft
Aug96%5,837 ft
Sep97%5,255 ft
Oct93%4,257 ft
Nov92%3,482 ft
Dec79%3,148 ft

VFR MVFR IFR LIFR· density altitude ranges ~2,9706,088 ft through the year· Source: NWS/IEM ASOS archive.

Nearby airports

Great-circle distance and true bearing from Joslin Field Magic Valley Regional Airport.

Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Joslin Field Magic Valley Regional Airport?

The ICAO code for Joslin Field Magic Valley Regional Airport is KTWF, and its IATA code is TWF.

Where is Joslin Field Magic Valley Regional Airport located?

Joslin Field Magic Valley Regional Airport is medium airport located in Twin Falls, United States, at an elevation of 4,154 ft (1,266 m).

How many runways does Joslin Field Magic Valley Regional Airport have?

Joslin Field Magic Valley Regional Airport has 2 runways, the longest being 8,704 ft / 2,653 m.

Which airlines fly to Joslin Field Magic Valley Regional Airport?

Airlines historically serving Joslin Field Magic Valley Regional Airport include Delta Air Lines (based on OpenFlights route data, which may be out of date).

How many destinations are served from Joslin Field Magic Valley Regional Airport?

Historical data lists 1 nonstop destination from Joslin Field Magic Valley Regional Airport. Always check current schedules.

What time zone is Joslin Field Magic Valley Regional Airport in?

Joslin Field Magic Valley Regional Airport is in the America/Boise time zone (UTC-06:00).

What is the magnetic variation at Joslin Field Magic Valley Regional Airport?

The magnetic variation (declination) at Joslin Field Magic Valley Regional Airport is approximately 11.9° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Joslin Field Magic Valley Regional Airport?

The nearest airport to Joslin Field Magic Valley Regional Airport is Fecundity Farm Strip Airport (US-6344), about 5 nm to the nnw, followed by Huddleston Airport and Fairbanks Airfield.

Is the information on this page suitable for flight planning?

No. Joslin Field Magic Valley Regional Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.