KLAF/LAF METAR & TAF Purdue University Airport

West Lafayette, IndianaElevation 606 ftMedium airport
CURRENT STATUS
VFR40 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
319 ft
-287 ft vs field
CURRENT METAR

Decoded observation

Observed 2354Z (7:54 PM local) · 40 min old

KLAF is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
15°C / 9°C
59°F / 48°F. 6°C spread.
ALTIMETER
30.35 inHg
1027.8 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)
SLP281
sea-level pressure 1028.1 hPa
T01500089
precise temperature 15.0°C, dew point 8.9°C
10239
6-hour maximum temperature 23.9°C
20150
6-hour minimum temperature 15.0°C
55000
3-hour pressure tendency: falling then rising (0.0 hPa change)
TERMINAL AERODROME FORECAST

TAF timeline

Issued 2320Z (7:20 PM local) · valid to 0000Z (8:00 PM local)

KLAF forecast starts VFR at 00Z. Worst period is 11Z to 13Z with MVFR possible (FG). Best period is 00Z to 11Z (VFR). Conditions are roughly steady over the period.

VFR
MVFR
VFR
BKN25025,000 ft
0000Z8:00 PM0448Z12:48 AM0936Z5:36 AM1424Z10:24 AM1912Z3:12 PM0000Z8:00 PM

Codes in this report: P6SM SCT TEMPO BR BKN

Tap any group to decode it.

FAA: no delays reported at LAF.

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 calm, visibility 10 SM, ceiling none. Forecast suggests tonight partly cloudy, low near 46F, 2% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy 46 S 2 kt – 2%
Monday Patchy Fog then Mostly Sunny 74/48 SSE 1 kt – 3%
Tuesday Partly Sunny 73/51 SE 5 kt – 0%
Wednesday Mostly Sunny 75/53 S 7 kt – 1%
Thursday Sunny 77/54 SSW 9 kt – 8%
Friday Mostly Sunny 77/56 SSW 5 kt – 10%
Saturday Chance Rain Showers 74/58 S 5 kt – 53%
Sunday Chance Rain Showers 71 SSW 6 kt – 54%

Source: National Weather Service (office IND). Forecast issued 0033Z.

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
NESW10280523CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
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 6,600 ft

10/28
Dimensions
6,600 x 150 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 1099°T
Landing length (LDA)6,600 ft
TORA / TODA / ASDA6,600 / 6,600 / 6,600 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28279°T
Landing length (LDA)6,600 ft
TORA / TODA / ASDA6,600 / 6,600 / 6,600 ft
REILYes
VGSIVASI (V4R)
Traffic patternLeft
05/23
Dimensions
4,225 x 100 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0550°T
Landing length (LDA)4,225 ft
TORA / TODA / ASDA4,225 / 4,225 / 4,225 ft
REILYes
VGSIPAPI (P2L)
Traffic patternLeft
RWY 23230°T
Landing length (LDA)3,912 ft
TORA / TODA / ASDA4,225 / 4,225 / 4,225 ft
Displaced threshold323 ft
REILYes
VGSIPAPI (P2L)
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
319 ft
Pressure altitude
176 ft
Field elevation
606 ft MSL
Temperature
15°C (59°F)
Dewpoint
9°C (48°F)
Altimeter
30.35 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
2253Z 6:53 PM
Sunrise
1210Z 8:10 AM
Loggable night
2321Z (7:21 PM local) → 1142Z (7:42 AM local)
end of evening to start of morning civil twilight
Position lights required
2253Z (6:53 PM local) → 1210Z (8:10 AM local)
sunset to sunrise (91.209)
Night passenger currency
2353Z (7:53 PM local) → 1110Z (7:10 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

Purdue University Airport is in West Lafayette, Indiana. Field elevation 606 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
ManagerADAM BAXMEYER
Manager phone(765) 496-6850
AttendedALL MON-FRI, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAKLAF / LAF
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)TERRE HAUTE
RegionIndiana
CountryUnited States
Coordinates40.4129, -86.9394
Distance from city2 NM SW
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF119.600
UNICOM122.950
FREQUENCIES

Communications

123.85
GRISSOM A/D
A/D
127.75
ATIS
ATIS
123.85
CHICAGO CNTR
CNTR
119.6
CTAF
CTAF
121.9
GND
GND
122.2
TERRE HAUTE RDO
RDO
119.6
LAFAYETTE TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

KLAF traffic patterns

2026-06-12 to 2026-10-23, 66 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
45.8
AVG OPS/DAY
72.7
Activity trend over 18 days: falling, from 71 to 61 operations per dayOperations trend (18 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX
Piston single 82%Jet 6%Unknown 6%Twin 4%Helicopter 1%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›P28A (Piston single) · ~273 landings/mo
›C172 (Piston single) · ~268 landings/mo
›UNKN (Unknown) · ~23 landings/mo
›PA44 (Twin) · ~22 landings/mo
›C152 (Piston single) · ~9 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›P28A (Piston single)
›C172 (Piston single)
›UNKN (Unknown)
›PA44 (Twin)
›C152 (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.

AIRPORT REMARKS

Operational remarks

›WHEN ATCT CLSD ACTVT MALSR RWY 10; REIL RWY 5, 23 & 28; MIRL RWY 5/23; HIRL RWY 10/28 - CTAF.
›PCR VALUE: 470/F/D/X/T
›PCR VALUE: 80/F/D/X/T
›RWY 05/23 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. WINGSPAN GTR THAN 79 FT NA.
›20:1 AT DSPLCD THR.
›UNSKED ACR OPS GTR THAN 30 PAX SEATS PPR - 765-496-6326 OR 765-496-4057. INDEX B ARFF CPBLY AVBL ON REQ.
›FOR CD IF UNA TO CTC ON FSS FREQ, CTC CHICAGO ARTCC AT 630-906-8921.
›SFC COND UNMNT 2200-0600 OR WKEND.
›TRNG OPS & BIRDS INVOF ARPT.
›PAPI UNUSBL BYD 9 DEGS RIGHT OF CNTRLN.
FREQUENTLY ASKED
Does KLAF have a METAR?
Yes. KLAF has a current METAR observation, decoded into plain English on this page.
Does KLAF have a TAF?
Yes, a TAF is issued for KLAF; the decoded forecast timeline is shown above.
What is the field elevation at KLAF?
KLAF sits at 606 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KLAF?
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.