Joslin Field/Magic Valley Regional
TWF · KTWF · Twin Falls, ID · Towered · Print kneeboard · Open on the map
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:11 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:53 AM | 12:53Z |
| Sunrise | 07:21 AM | 13:21Z |
| Sunset | 07:43 PM | 01:43Z |
| Evening civil twilight Loggable night begins | 08:11 PM | 02:11Z |
Plan a flight from KTWF
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Computing today's density altitude…
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KTWF METAR decoded · KTWF TAF decoded
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 12LEFT traffic
- Heading
- 123° mag · 136° true
- Dimensions
- 3,224 × 75 ft
- TPA
- 5,200 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 118.2
More details — RWY 12
- Threshold elev
- 4,107 ft
- Markings
- basic
- Approach obstacle
- Trees, 75 ft, 2,000 ft from threshold — 23:1 slope to clear
- TDZ elevation
- 4,144 ft
- LAHSO
- 2,750 ft (hold short of 08/26)
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 08/26 | 8,704 ft | |
| 12/30 | 3,224 ft |
Prefer one flat page? Full runway details for KTWF → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KTWF kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Twin Falls”Taxi & takeoff
“Twin Falls”Departure & arrival
“Twin Falls”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (3 frequencies)
| Frequency | Used by |
|---|---|
| 317.5 | LCL/P |
| 353.75 | APCH/P DEP/P |
| 363.0 | BURLEY RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 26
| Runway | ILS |
|---|---|
| RWY 26 | ILS · CAT I · LOC 108.3 (TWF) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
TWF 113.10 · BYI 114.10
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| TWF · Twin Falls | VORTAC | 113.10 · 78X | Low | r011° / 0.1 NM |
| BYI · Burley | VOR/DME | 114.10 · 88X | Low | r240° / 28.2 NM |
Prefer one flat list? All KTWF frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KTWF, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KTWF / TWF
- Coordinates
- 42.4818, -114.4877
- Elevation
- 4,153 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- SALT LAKE CITY
- Airport use
- Public
- Control tower
- Yes
- Tower hours
- 0600-2100
- Airspace
- Class D · CLASS D SVC 0600-2100; OTHER TIMES CLASS E
- Weather station
- ASOS · 135.025 · ☎ 208-733-1878
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- TWF
- Attendance
- ALL 0630-2000
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I B
- Landing fee
- Yes
- GPS MON airport
- Yes
- Activated
- 1948/02
- Distance from city
- 4 S
Activity & hazards NASR
- Parachute jumping — to 14,500 ft MSL · MAY-OCT, WEEKENDS
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- WHEN ATCT CLSD ACTVT MALSR RWY 26, REIL RWY 08, HIRL RWY 08/26 - CTAF. PAPI RWY 26 OPR CONSLY. on 118.2 — Chart Supplement ↗
Runway lighting aids — 08: VASI · 26: 4-light PAPI (left) + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A-1 (additive)
- Bottled oxygen
- HIGH
- Bulk oxygen
- HIGH
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Cargo, Charter, Instruction
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- TWY G, H, J & K NON ACR MOV AREA.
- LN OF SIGHT BTN RWY 26 APCH END & RWY 12 APCH END NA.
- FOR CD WHEN ATCT CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
Runways
- PCR VALUE: 1020/F/B/X/T
- PCR VALUE: 157/F/B/X/T
- NON ACR MOV AREA.
Lighting
- WHEN ATCT CLSD ACTVT MALSR RWY 26, REIL RWY 08, HIRL RWY 08/26 - CTAF. PAPI RWY 26 OPR CONSLY.
Fuel
- SVC FEE 2000-0630; INFO 208-733-5920 OR 539-4034.
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Live METAR, flight category, and favored runway for KTWF — paste this into your website's HTML. It updates automatically and stays free.
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Nearby airports
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Also nearby: ID93 Fecundity Farm Strip (private) (5 NM) · 27ID Huddleston (private) (7 NM) · 1ID7 Fairbanks Airfield (private) (9 NM) · 0ID1 Ziggy's (private) (11 NM) · U03 Buhl Municipal (15 NM)
Destination
On the field
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About KTWF
Joslin Field/Magic Valley Regional (TWF · KTWF) is an airport in Twin Falls, ID, at 4,153 ft MSL. It has 2 runways, the longest 8,704 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KTWF, refreshed from the Aviation Weather Center and FAA NASR.
Does KTWF have a control tower?
Yes. Joslin Field/Magic Valley Regional has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.
What is the longest runway at KTWF?
Joslin Field/Magic Valley Regional has 2 runways; the longest is 8,704 ft. See the Runways section for headings, surface, and lighting.
Where is KTWF?
Joslin Field/Magic Valley Regional is in Twin Falls, ID, at an elevation of 4,153 ft MSL. Coordinates: 42.4818, -114.4877.
More about KTWF
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KTWF in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.