Purdue University Airport (KLAF) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for Purdue University Airport in West Lafayette, IN, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

Purdue University Airport (KLAF) is a regional airport serving West Lafayette, IN at 606 ft. KLAF reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (05, 10, 23, 28) — longest 6,600 ft — are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KLAF in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.

VFR

Observed 0454Z (12:54 AM EDT)live · refreshes every 60s

Wind

010° 4 kt

Visibility

10+ sm

Ceiling

Unlimited

Altimeter

29.90"

Temp / Dew

18°C / 65°F

dew 15°C

Wind from the north (010°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 18°C (65°F), altimeter 29.90 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR

METAR KLAF 290454Z AUTO 01004KT 10SM CLR 18/15 A2990 RMK AO2 SLP121 T01830150 402780178

What changed at KLAF?

Since the 0354Z (11:54 PM EDT) report — compared automatically against the latest METAR.

No significant changes since the 0354Z report — conditions are holding steady.

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Current pilot readout for KLAF

KLAF is currently VFR with winds from 010° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 10, about 4 knots. Density altitude is approximately 1,150 ft (field elevation 606 ft). Review the latest TAF below for forecast changes before departure.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

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Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Use this section to quickly compare current wind alignment across available runways at KLAF. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

Runway	Length	Surface	Head / Tail	Crosswind
05FAV	4,225 ft	ASP	3 kt head	2 kt left
10	6,600 ft	ASP	0 kt head	4 kt left
28	6,600 ft	ASP	0 kt head	4 kt right
23	4,225 ft	ASP	3 kt tail	2 kt right

Open the crosswind calculator — try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report

Over the last 14 h: wind 8→4 kt, ceiling 1,100 ft → unlimited.

KLAF weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Purdue University Airport in West Lafayette, IN: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KLAF is headed.

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Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO

Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KLAF

Reported by pilots in flight over the past 6 hours — via aviationweather.gov.

PIREP0208Z (10:08 PM EDT) · 87 NM NE of KLAF · 32,000 ft MSL · B739

continuous light chop turbulence

Show raw report

FWA UA /OV FWA/TM 0208/FL320/TP B739/TB CONS LGT CHOP

FWA UAHeader — reporting station and UA: a routine pilot report.

OV FWALocation — fix or navaid, optionally with a radial and distance in NM.

TM 0208Reported at 02:08 UTC.

FL320Altitude: 32,000 ft MSL.

TP B739Aircraft type reporting.

TB CONS LGT CHOPTurbulence: continuous light chop.

PIREP0208Z (10:08 PM EDT) · 82 NM NE of KLAF · 35,000 ft MSL · B738

Show raw report

ASW UA /OV OLK/TM 0208/FL350/TP B738/TB NEG

ASW UAHeader — reporting station and UA: a routine pilot report.

OV OLKLocation — fix or navaid, optionally with a radial and distance in NM.

TM 0208Reported at 02:08 UTC.

FL350Altitude: 35,000 ft MSL.

TP B738Aircraft type reporting.

TB NEGTurbulence: none reported.

PIREP0205Z (10:05 PM EDT) · 72 NM E of KLAF · 28,000 ft MSL · B738

occasional light chop turbulence

Show raw report

MIE UA /OV MIE/TM 0205/FL280/TP B738/TB OCNL LGT CHOP

MIE UAHeader — reporting station and UA: a routine pilot report.

OV MIELocation — fix or navaid, optionally with a radial and distance in NM.

TM 0205Reported at 02:05 UTC.

FL280Altitude: 28,000 ft MSL.

TP B738Aircraft type reporting.

TB OCNL LGT CHOPTurbulence: occasional light chop.

PIREP0204Z (10:04 PM EDT) · 87 NM NE of KLAF · 28,000 ft MSL · B38M

intermittent light chop turbulence

Show raw report

FWA UA /OV FWA/TM 0204/FL280/TP B38M/TB INTMT LGT CHOP

FWA UAHeader — reporting station and UA: a routine pilot report.

OV FWALocation — fix or navaid, optionally with a radial and distance in NM.

TM 0204Reported at 02:04 UTC.

FL280Altitude: 28,000 ft MSL.

TP B38MAircraft type reporting.

TB INTMT LGT CHOPTurbulence: intermittent light chop.

PIREP0204Z (10:04 PM EDT) · 59 NM W of KLAF · 25,000 ft MSL · E170

intermittent light chop turbulence

Show raw report

TIP UA /OV RBS190015/TM 0204/FL250/TP E170/TB INTMT LGT CHOP

TIP UAHeader — reporting station and UA: a routine pilot report.

OV RBS190015Location — fix or navaid, optionally with a radial and distance in NM.

TM 0204Reported at 02:04 UTC.

FL250Altitude: 25,000 ft MSL.

TP E170Aircraft type reporting.

TB INTMT LGT CHOPTurbulence: intermittent light chop.

PIREP0204Z (10:04 PM EDT) · 29 NM W of KLAF · during climb · B737

Show raw report

DNV UA /OV DNV/TM 0204/FL300/TP B737/TB NEG/RM DURC

DNV UAHeader — reporting station and UA: a routine pilot report.

OV DNVLocation — fix or navaid, optionally with a radial and distance in NM.

TM 0204Reported at 02:04 UTC.

FL300Altitude: 30,000 ft MSL.

TP B737Aircraft type reporting.

TB NEGTurbulence: none reported.

RM DURCRemarks.

PIREP0126Z (9:26 PM EDT) · 79 NM NE of KLAF · 25,000 ft MSL · E75L

Show raw report

GSH UA /OV GSH/TM 0126/FL250/TP E75L/TB NEG

GSH UAHeader — reporting station and UA: a routine pilot report.

OV GSHLocation — fix or navaid, optionally with a radial and distance in NM.

TM 0126Reported at 01:26 UTC.

FL250Altitude: 25,000 ft MSL.

TP E75LAircraft type reporting.

TB NEGTurbulence: none reported.

PIREP0123Z (9:23 PM EDT) · 74 NM NW of KLAF · 21,000 ft MSL · B39M

Show raw report

JOT UA /OV JOT180030/TM 0123/FL210/TP B39M/TB NEG

JOT UAHeader — reporting station and UA: a routine pilot report.

OV JOT180030Location — fix or navaid, optionally with a radial and distance in NM.

TM 0123Reported at 01:23 UTC.

FL210Altitude: 21,000 ft MSL.

TP B39MAircraft type reporting.

TB NEGTurbulence: none reported.

⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.

Recent aviation weather trends at KLAF

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KLAF reported mostly VFR across 18 observations, with 5 flight-category changes. The strongest gust reached 20 kt, the lowest ceiling was 1,100 ft. Wind most often came from the N.

Last 24 hours

VFR 72%MVFR 28%

Wind avg/max: 9/13 kt

Max gust: 20 kt

Lowest ceiling: 1,100 ft

Lowest vis: —

Prevailing wind: N

Category changes: 5

Most recent change: MVFR → VFR

Last 7 days

VFR 76%MVFR 17%IFR 1%LIFR 6%

Wind avg/max: 4/13 kt

Max gust: 20 kt

Lowest ceiling: 200 ft

Lowest vis: 0.25 sm

Prevailing wind: N

Category changes: 14

Most recent change: MVFR → VFR

Active Runway - past 30 days

05: 46%
23: 25%
28: 23%
10: 6%

TAF — Terminal Aerodrome Forecast

Issued 0520Z (1:20 AM EDT)

TAF KLAF 290520Z 2906/3006 36004KT P6SM SCT250 FM291400 02009KT P6SM FEW050 SCT250 FM300100 36005KT P6SM SKC

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Airport facts

Reference data from the OurAirports dataset.

Type: Regional airport
ICAO: KLAF
IATA: LAF
FAA LID: LAF
City: West Lafayette
State: Indiana
Country: United States
Elevation: 606 ft
Coordinates: 40.4129, -86.9394
Runways: 4
Longest runway: 6,600 ft
Weather reporting: Reports METAR
TAF: Published
ATIS: 127.75 MHz
CTAF: 119.6 MHz
Time zone: America/Indiana/Indianapolis
Next sunset: 19h 39m

Run a flight school, FBO, or club here? Embed KLAF's live status on your website — free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report

Within 25 NM

8 airports

KFKRFrankfort Clinton County Regional AirportFrankfort, IN19 nm SEVFR METAR KMCXWhite County AirportMonticello, IN19 nm NEVFR METAR 51INDahnke AirportWest Lafayette, IN5 nm N II19Etter AirportLafayette, IN9 nm E 31INTimber House AirportLafayette, IN9 nm SE 6IN3Wyandotte AirportLafayette, IN9 nm SE

+2 more within 25 NM

25–50 NM

9 airports

KCFJCrawfordsville Regional AirportCrawfordsville, IN26 nm SVFR METAR KGGPLogansport Cass County AirportLogansport, IN31 nm NEMETAR KDNVVermilion Regional AirportDanville, IL33 nm SWIFR METAR KRZLJasper County AirportRensselaer, IN34 nm NVFR METAR KGUSGrissom Air Reserve BasePeru, IN39 nm EVFR METAR · TAF KTYQIndianapolis Executive AirportIndianapolis, IN39 nm SEVFR METAR

+3 more within 50 NM

50–100 NM

7 airports

KINDIndianapolis International AirportIndianapolis, IN51 nm SEVFR METAR · TAF KRCRFulton County AirportRochester, IN52 nm NEVFR METAR KPRGEdgar County AirportParis, IL54 nm SWVFR METAR KOXIStarke County AirportKnox, IN57 nm NVFR METAR KIKKGreater Kankakee AirportKankakee, IL57 nm NWVFR METAR KMZZMarion Municipal AirportMarion, IN58 nm EVFR METAR

+1 more within 100 NM

RC flying fields nearby

AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.

Lafayette Cloud Jockeys 2 — Lafayette, IN · 3 mi
Lafayette Cloud Jockeys - Stagger Wing LN — Lafayette, IN · 10 mi
Lafayette Cloud Jockeys - North Montgomery High School — Crawfordsvlle, IN · 20 mi

All RC flying fields →

See all Indiana airports →

Historical Flying Weather

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KLAF reported VFR conditions during about 77.0% of valid daylight observations, with an estimated 250 VFR flying days a year. June had the most VFR weather; December had the most instrument conditions. Surface winds averaged 6.1 kt, calm 18.3% of the time.

VFR Score

Wind Score

Reliability Score

National VFR rank

#1084 of 1,400

Regional rank

#63

State rank

Full historical breakdown

Daylight VFR

77.0%

MVFR

15.5%

IFR

6.1%

LIFR

2.2%

Est. VFR days/yr

250

Most VFR month

June

Fewest VFR month

December

Median ceiling

3,200 ft

Median visibility

10 sm

Calm wind

18.3%

Median wind

6 kt

Gusty hours

16.5%

Crosswind >15 kt

0.2%

Fog/mist days/yr

186

Thunderstorm days/yr

Summer density alt

2,169 ft

Flight category by month

VFRMVFRIFRLIFR

KLAF monthly flight-category distribution, 2006–2025
Month	VFR %	MVFR %	IFR %	LIFR %
Jan	57.3	26.7	11.5	4.5
Feb	66.5	21.0	9.3	3.2
Mar	75.3	16.7	6.2	1.8
Apr	81.2	13.1	4.7	1.0
May	82.9	11.5	4.4	1.2
Jun	86.4	9.2	3.2	1.3
Jul	84.1	9.9	3.6	2.4
Aug	85.4	9.0	3.6	2.0
Sep	84.0	9.7	4.1	2.2
Oct	81.8	11.2	5.3	1.6
Nov	73.5	18.9	5.7	1.9
Dec	56.4	29.0	11.4	3.2

Average wind by month

KLAF average wind by month, 2006–2025
Month	Mean wind (kt)
Jan	7.4 kt
Feb	7.5 kt
Mar	7.8 kt
Apr	7.8 kt
May	6.0 kt
Jun	5.2 kt
Jul	4.2 kt
Aug	4.1 kt
Sep	4.6 kt
Oct	5.8 kt
Nov	6.3 kt
Dec	6.8 kt

Ohio Valley flying weather Most VFR airports Windiest airports Flying Weather Index

Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KLAF airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

The FAA airport diagram for Purdue University Airport in West Lafayette, IN shows the runway and taxiway layout across 4 runways, ramp areas, and hold-short positions — review it before taxiing at an unfamiliar field.

Official FAA airport diagram · d-TPP cycle 2608 · Not for navigation. Download the official FAA PDF ↗

KLAF weather — frequently asked

What runways are available at KLAF?+

KLAF has 4 runways — 05, 10, 23, 28; the longest is 6,600 ft. This page computes the live crosswind for each runway end from the current wind.

Does KLAF report its own weather?+

Yes — Purdue University Airport has its own weather station and publishes METAR observations, which this page decodes live.

Does KLAF have a TAF?+

Yes — the TAF is shown on this page below the current conditions.

Does KLAF broadcast D-ATIS?+

No — KLAF does not broadcast D-ATIS. Alerts for KLAF from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.

Where can I find the KLAF airport diagram?+

The official FAA airport diagram for Purdue University Airport (KLAF) is shown on this page — it maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).

Pilot PIREPs for Purdue University Airport (KLAF)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Purdue University Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KLAF yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

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