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

As of 6:54 AM EDT, Oct 29, KLAF is currently VFR with winds from 220° at 3 knots, visibility 10+ statute miles, and no ceiling reported. The FAA lists no ground stop or delay program for KLAF right now.

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

Purdue University Airport (KLAF) is a regional airport serving West Lafayette, IN at a field elevation of 606 ft. KLAF reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. It has 2 physical runways (05/23, 10/28), the longest 6,600 ft. The official FAA airport diagram is at the bottom of the page.

Ask ATIS AIAsk anything about KLAF's weather, runways or delays, or search another airport.
VFR
Observed 1054Z (6:54 AM EDT)live · refreshes every 60s
Wind
220° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.14"
Temp / Dew
60°F / 16°C
dew 49°F / 9°C

Wind from the southwest (220°) at 3 kt, visibility 10+ statute miles, no cloud data, temperature 16°C (60°F), altimeter 30.14 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KLAF 291054Z 22003KT 10SM CLR 16/09 A3014 RMK AO2 SLP203 T01560094

What changed at KLAF?

Since the 0954Z (5:54 AM EDT) report, compared automatically against the latest METAR.

No significant changes since the 0954Z (5:54 AM EDT) report, conditions are holding steady.

Current pilot readout for KLAF

KLAF is currently VFR with winds from 220° at 3 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors west-facing runway ends (23, 28). Density altitude is approximately 550 ft (field elevation 606 ft). Review the latest TAF below for forecast changes before departure.

KLAF by the numbers

What the long-run records say about flying here, computed for this airport alone.

0
FAA ground stops or delay programs, last 12 months

The FAA issued no ground stop or ground delay program for LAF in the 12 months to October 2026. Delays here come from the airlines or from programs at other airports rather than from LAF's own airspace.

LAF delay status →

77%
of daylight hours VFR, 2006 to 2025

KLAF reported VFR in 77% of daylight observations over 20 years, about 250 flyable days a year. June is the most reliable month and December the least, with IFR or worse 15% of the time. When conditions drop it is usually a mix of low ceilings (under 1,000 ft 5% of hours) and low visibility (under 3 miles 4%).

32%
of windy hours favor runway 23

Over 20 years of hourly winds, runway 23 had the best headwind 32% of the time, runway 28 30%, and winds were calm 21% of hours. Winds most often blow from the west. Crosswind on the best available runway topped 15 kt in under 1% of hours.

35
snow days a year

Snow fell on about 35 days a year and freezing rain or drizzle on 3. From December to February KLAF was IFR or worse 14% of the time, against 5% from June to August.

46
thunderstorm days a year

Thunderstorms were reported on about 46 days a year. 56% of storm hours fall in June, July and August, peaking in June when storms were in the air 2% of the time.

2,169 ft
typical summer-afternoon density altitude

Field elevation is 606 ft, but on a median summer afternoon the air performs like 2,169 ft, 1,563 ft higher. Plan for a longer takeoff roll and a weaker climb from June to August.

Sources: FAA ATCSCC advisories, hourly observations 2006 to 2025 and the per-runway wind climatology 2006 to 2025. Historical summaries, not a forecast: check the current METAR, TAF and a briefing before flight.

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

Runway wind check

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

RunwayHead / TailCrosswind
23FAV3 kt head1 kt left
282 kt head3 kt left
101 kt tail3 kt right
053 kt tail1 kt right

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

KLAF runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 05/23
    4,225 × 100 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KLAF
    Wind
    05
    3 kt tailwind · 1 kt crosswind from right
    23
    3 kt headwind · 1 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 10/28
    6,600 × 150 ft · ASP
    Restricted (NOTAM)
    Current use
    no stated-runway source at KLAF
    Wind
    10
    1 kt tailwind · 3 kt crosswind from right
    28
    2 kt headwind · 3 kt crosswind from left
    1 active equipment NOTAMView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

Fuel at KLAF

100LL and Jet A at Purdue University Airport: prices, FBO fees and cheaper fuel nearby now live on the KLAF fuel page.

Lowest 100LL

$7.79/ galFull serve · Purdue Aviation

Updated Oct 16Recent

1 fuel provider · Jet A from $7.32

Fuel information has moved: view KLAFfuel & FBOs for every FBO’s prices, ramp and overnight fees, cheaper 100LL nearby, price history and pilot fuel reports.

24-hour trend

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

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061211Z22Z10Z

Over the last 23 h: wind 0→3 kt, ceiling 10,000 ft → unlimited.

KLAF weather radar

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

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KLAF

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

PIREP1146Z (7:46 AM EDT) · 39 NM E of KLAF · 34,000 ft MSL · B752
continuous light chop turbulence
Show raw report
GUS UA /OV GUS/TM 1146/FL340/TP B752/TB CONS LGT CHOP
GUS UAHeader: reporting station and UA: a routine pilot report.
OV GUSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1146Reported at 11:46 UTC.
FL340Altitude: 34,000 ft MSL.
TP B752Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.
PIREP1120Z (7:20 AM EDT) · 45 NM N of KLAF · during descent · E170
light turbulence
Show raw report
ORD UA /OV VEECK/TM 1120/FL110/TP E170/TB LIGHT/RM 110-100 DURD
ORD UAHeader: reporting station and UA: a routine pilot report.
OV VEECKLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1120Reported at 11:20 UTC.
FL110Altitude: 11,000 ft MSL.
TP E170Aircraft type reporting.
TB LIGHTTurbulence: light.
RM 110-100 DURDRemarks.
PIREP1119Z (7:19 AM EDT) · 90 NM W of KLAF · 28,000 ft MSL · B38M
light chop 15,000–20,000 ft none reported abv turbulence
Show raw report
BMI UA /OV BMI/TM 1119/FL280/TP B38M/TB LGT CHOP 150-200 NEG ABV
BMI UAHeader: reporting station and UA: a routine pilot report.
OV BMILocation: fix or navaid, optionally with a radial and distance in NM.
TM 1119Reported at 11:19 UTC.
FL280Altitude: 28,000 ft MSL.
TP B38MAircraft type reporting.
TB LGT CHOP 150-200 NEG ABVTurbulence: light chop 15,000–20,000 ft none reported abv.
PIREP1107Z (7:07 AM EDT) · 96 NM N of KLAF · 10,600 ft MSL · E75S
Show raw report
ORD UA /OV 45 E ORD/TM 1107/FL106/TP E75S/SK VMC/TB NEG/RM MOSTLY SMOOTH
ORD UAHeader: reporting station and UA: a routine pilot report.
OV 45 E ORDLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1107Reported at 11:07 UTC.
FL106Altitude: 10,600 ft MSL.
TP E75SAircraft type reporting.
SK VMCSky condition: cloud bases and tops in hundreds of feet MSL.
TB NEGTurbulence: none reported.
RM MOSTLY SMOOTHRemarks.
PIREP1052Z (6:52 AM EDT) · 78 NM N of KLAF · 13,500 ft MSL · E170
continuous light chop turbulence
Show raw report
MGC UA /OV MGC/TM 1052/FL135/TP E170/TB CONS LGT CHOP
MGC UAHeader: reporting station and UA: a routine pilot report.
OV MGCLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1052Reported at 10:52 UTC.
FL135Altitude: 13,500 ft MSL.
TP E170Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.
PIREP1021Z (6:21 AM EDT) · 96 NM NW of KLAF · 10,000 ft MSL · A321
light turbulence
Show raw report
ORD UA /OV 30 SW ORD/TM 1021/FL100/TP A321/TB LIGHT
ORD UAHeader: reporting station and UA: a routine pilot report.
OV 30 SW ORDLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1021Reported at 10:21 UTC.
FL100Altitude: 10,000 ft MSL.
TP A321Aircraft type reporting.
TB LIGHTTurbulence: light.
PIREP0919Z (5:19 AM EDT) · 44 NM SE of KLAF · 37,000 ft MSL · A320
Show raw report
IND UA /OV VHP/TM 0919/FL370/TP A320/TB NEG
IND UAHeader: reporting station and UA: a routine pilot report.
OV VHPLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0919Reported at 09:19 UTC.
FL370Altitude: 37,000 ft MSL.
TP A320Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0845Z (4:45 AM EDT) · 96 NM NW of KLAF · 14,000 ft MSL · B39M
moderate turbulence
Show raw report
ORD UA /OV 40 SW ORD/TM 0845/FL140/TP B39M/TB MOD
ORD UAHeader: reporting station and UA: a routine pilot report.
OV 40 SW ORDLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0845Reported at 08:45 UTC.
FL140Altitude: 14,000 ft MSL.
TP B39MAircraft type reporting.
TB MODTurbulence: moderate.

⚠️ 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 25 observations, with 0 flight-category changes. The lowest ceiling was 9,000 ft. Wind most often came from the S.

Last 24 hours
VFR 100%
Wind avg/max: 3/6 kt
Max gust: -
Lowest ceiling: 9,000 ft
Lowest vis: -
Prevailing wind: S
Category changes: 0
Last 7 days
VFR 89%MVFR 5%IFR 4%LIFR 2%
Wind avg/max: 2/8 kt
Max gust: -
Lowest ceiling: 200 ft
Lowest vis: 0.25 sm
Prevailing wind: E
Category changes: 18

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

05
34%
23
26%
28
21%
10
19%

TAF | Terminal Aerodrome Forecast

Issued 1125Z (7:25 AM EDT)

TAF KLAF 291125Z 2912/3012 22003KT P6SM BKN110 FM291600 23015KT P6SM SCT110 SCT250 FM292100 30011KT P6SM BKN040 FM300100 33006KT P6SM BKN040 FM300500 35006KT P6SM SCT250

New to TAFs? How to read one →

Get KLAF weather alerts in Telegram

Stop refreshing aviation weather manually. Track KLAF in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

Track KLAF free on Telegram

Live KLAF Weather

Live crosswind meter

Measured by KLAF's own weather station.

N23053 kt
Headwind
3 kt
Crosswind (from the left)
1 kt

Wind is 10° off runway 23, the end with the most headwind right now.

Asphalt · 4,225 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Purdue University Airport (KLAF) with runway 05/23, 10/28 marked
N ↑

Runway 05/23, 10/28 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Fuel prices

KLAF 100LL, FBOs and fees.

100LL from

$7.79 / gal · Full serve

1 fuel provider · Updated Oct 16

View fuel prices & FBOs →

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Fuel
100LL · Jet A See fuel prices →
Attended
Mon-Fri 0800-1700 local
Repairs
Airframe & engine, major
Oxygen
Bulk, high & low pressure
Transient parking
Tie-downs · Hangars
Landing fee
No
Other services
Air ambulance · Avionics · Charter · Aircraft rental · Aircraft sales
Control tower
Yes
Wind indicator
Lighted

Airport

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
2 physical runways · 4 runway ends
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
10h 56m

Is there a ground stop at LAF today? Delay status and history →

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.

RC flying fields nearby

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

All RC flying fields →

See all Indiana airports →

Historical Flying Weather at KLAF

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
39
Wind Score
65
Reliability Score
32
National VFR rank
#1084 of 1,400
Regional rank
#63
State rank
#8
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
46
Summer density alt
2,169 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KLAF monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan57.326.711.54.5
Feb66.521.09.33.2
Mar75.316.76.21.8
Apr81.213.14.71.0
May82.911.54.41.2
Jun86.49.23.21.3
Jul84.19.93.62.4
Aug85.49.03.62.0
Sep84.09.74.12.2
Oct81.811.25.31.6
Nov73.518.95.71.9
Dec56.429.011.43.2

Average wind by month

049JanFebMarAprMayJunJulAugSepOctNovDec
KLAF average wind by month, 2006–2025
MonthMean wind (kt)
Jan7.4 kt
Feb7.5 kt
Mar7.8 kt
Apr7.8 kt
May6.0 kt
Jun5.2 kt
Jul4.2 kt
Aug4.1 kt
Sep4.6 kt
Oct5.8 kt
Nov6.3 kt
Dec6.8 kt

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.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

Customize your LAF shirt or mug

LAF's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

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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.

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

No D-ATIS at this airport, showing METAR.

Spotted incorrect airport info? ✏️ Suggest an edit

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