KTWF/TWF METAR & TAF Joslin Field Magic Valley Regional Airport

Twin Falls, IdahoElevation 4,154 ftMedium airport

CURRENT STATUS

VFR47 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

070@8

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

4,812 ft

+658 ft vs field

CURRENT METAR

Decoded observation

Observed 2253Z (4:53 PM local) · 47 min old

KTWF is currently VFR. Winds are from the east at 8 knots. Visibility is 10 statute miles. There is no ceiling.

WIND

70° at 8 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

14°C / 4°C

57°F / 39°F. 10°C spread.

ALTIMETER

30.12 inHg

1020 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

SLP183

sea-level pressure 1018.3 hPa

T01390039

precise temperature 13.9°C, dew point 3.9°C

TERMINAL AERODROME FORECAST

TAF timeline

Issued 2335Z (5:35 PM local) · valid to 0000Z (6:00 PM local)

KTWF forecast starts VFR at 00Z. Worst period is 16Z to 21Z with VFR possible (GUST). Best period is 00Z to 02Z (VFR). Conditions are roughly steady over the period.

VFR

BKN20020,000 ft

BKN15015,000 ft

BKN0707,000 ft

0000Z6:00 PM0448Z10:48 PM0936Z3:36 AM1424Z8:24 AM1912Z1:12 PM0000Z6:00 PM

Codes in this report: P6SM SCT BKN

Tap any group to decode it.

FAA: no delays reported at TWF.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 70° at 8 kt, visibility 10 SM, ceiling none. Forecast suggests this afternoon sunny, high near 60F, low near 39F, 4% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
This Afternoon	Sunny	60/39	ENE 6 kt	–	4%
Monday	Isolated Rain Showers	60/35	S 9 kt	18 kt	24%
Tuesday	Mostly Sunny	53/33	WSW 8 kt	–	0%
Wednesday	Sunny	57/33	ESE 4 kt	–	0%
Thursday	Mostly Sunny	60/35	SE 6 kt	–	9%
Friday	Slight Chance Rain Showers	56/32	W 6 kt	–	32%
Saturday	Chance Rain Showers	55/32	SW 6 kt	–	40%

Source: National Weather Service (office BOI). Forecast issued 2339Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

2 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

070° at 8 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 087 kt headwind · 3 kt crosswind

RUNWAYS BY WIND · best end

HEAD

7 kt

CROSS

3 kt L

BEST

HEAD

3 kt

CROSS

7 kt L

HEAD

3 kt tail

CROSS

7 kt R

HEAD

7 kt tail

CROSS

3 kt R

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

2 runways · longest 8,704 ft

12/30

Dimensions

3,224 x 75 ft

Surface

Asphalt (fair)

RWY 12136°T

Traffic patternLeft

RWY 30316°T

Traffic patternLeft

08/26

Dimensions

8,704 x 150 ft

Surface

Asphalt (good)

Edge lights

HIGH

RWY 0891°T

REILYes

VGSIVASI (V4L)

Traffic patternLeft

RWY 26271°T

ILSILS

Approach lightsMALSR

VGSIPAPI (P4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

4,812 ft

Pressure altitude

3,954 ft

Field elevation

4,154 ft MSL

Temperature

14°C (57°F)

Dewpoint

4°C (39°F)

Altimeter

30.12 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0040Z 6:40 PM

Sunrise

1403Z 8:03 AM

Loggable night

0109Z (7:09 PM local) → 1335Z (7:35 AM local)

end of evening to start of morning civil twilight

Position lights required

0040Z (6:40 PM local) → 1403Z (8:03 AM local)

sunset to sunrise (91.209)

Night passenger currency

0140Z (7:40 PM local) → 1303Z (7:03 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Joslin Field Magic Valley Regional Airport is in Twin Falls, Idaho. Field elevation 4,154 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeMedium airport

Airline serviceYes

ManagerMATT BARNES

Manager phone208-733-5215

AttendedDaily, 0630–2000

CHARTS & AIRSPACE

ICAO / IATAKTWF / TWF

SectionalSALT LAKE CITY

Center (ARTCC)SALT LAKE CITY

Flight service (AFSS)BOISE

RegionIdaho

CountryUnited States

Coordinates42.4818, -114.4880

Distance from city4 NM S

SERVICES & LIGHTING

Fuel100LL · Jet A-1+

Control towerTowered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF118.200

UNICOM122.950

FREQUENCIES

Communications

126.7

TWIN FALLS APP/DEP

A/D

135.025

ASOS

118.2

CTAF

121.7

TWIN FALLS GND

GND

122.25

BOISE RDO

RDO

118.2

TWIN FALLS TWR

TWR

122.95

UNICOM

UNIC

122.950

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KTWF traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

19.6

AVG OPS/DAY

25.3

Operations trend (18 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX

Piston single 28%Airliner 23%Unknown 18%Turboprop 15%Jet 13%Twin 1%Helicopter 1%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›CRJ7 (Airliner) · ~55 landings/mo

›C172 (Piston single) · ~47 landings/mo

›C182 (Piston single) · ~27 landings/mo

›AT8T (Turboprop) · ~23 landings/mo

›B462 (Airliner) · ~21 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›C182 (Piston single)

›AT8T (Turboprop)

›P28A (Piston single)

›BE33 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KGNG Gooding Municipal Airport

29 NM NW

VFR

KBYI Burley Municipal Airport

32 NM E

VFR

KSUN Friedman Memorial Airport

62 NM N

VFR

KMUO Mountain Home Air Force Base

70 NM NW

VFR

KPIH Pocatello Regional Airport

87 NM E

VFR

KBOI Boise Air Terminal/Gowen Field

100 NM NW

VFR

AIRPORT REMARKS

Operational remarks

›WHEN ATCT CLSD ACTVT MALSR RWY 26; REIL RWY 08; HIRL RWY 08/26 - CTAF.

›TWY G, H, J & K NON ACR MOV AREA.

›LN OF SIGHT BTN RWY 26 APCH END & RWY 12 APCH END NA.

›FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.

›LNDG FEE FOR FAR PART 121, 135 OPR & GA PART 91 GTR THAN 12500 LB MGLW.

›PPR UNSKED ACR OPS GTR THAN 30 PAX SEATS - AMGR.

›NON ACR MOV AREA.

›PCR VALUE: 1020/F/B/X/T

›PCR VALUE: 157/F/B/X/T

›SVC FEE 2000-0630; INFO 208-733-5920 OR 539-4034.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KTWF on OurAirports

FREQUENTLY ASKED

Does KTWF have a METAR?

Yes. KTWF has a current METAR observation, decoded into plain English on this page.

Does KTWF have a TAF?

Yes, a TAF is issued for KTWF; the decoded forecast timeline is shown above.

What is the field elevation at KTWF?

KTWF sits at 4,154 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KTWF?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.