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.
Wind calm, visibility 8 statute miles, no cloud data, temperature 19°C (67°F), altimeter 29.93 inHg. Conditions are Visual Flight Rules (VFR).
SPECI KLAF 130828Z AUTO 00000KT 8SM CLR 19/19 A2993 RMK AO2 T01940189
What changed at KLAF?
Since the 0819Z (4:19 AM EDT) report, compared automatically against the latest METAR.
- Flight category improved from IFR to VFR.
- Visibility improved from 2 SM to 8 SM.
- Mist ended (BR).
The latest report is an off-schedule special (SPECI), issued because conditions changed significantly. What is a SPECI? →
This is exactly what ATIS Alerts watches for you: get a Telegram message when KLAF's weather changes, free →
Current pilot readout for KLAF
KLAF is currently VFR with calm winds, visibility 8 statute miles, and no ceiling reported. Density altitude is approximately 1,250 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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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.
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For pilots and crews overnighting at Purdue University Airport (KLAF).
Nearby Pilot Hotel Deals
Well-reviewed places under $500 a night near KLAF (LAF); drag to explore or tap a pin for the rate.
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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.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 05 | 4,225 ft | ASP | - | - |
| 10 | 6,600 ft | ASP | - | - |
| 23 | 4,225 ft | ASP | - | - |
| 28 | 6,600 ft | ASP | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→0 kt, ceiling 8,000 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.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
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.
Show raw report
TIP UA /OV RBS/TM 0539/FL410/TP GLF5/TB CONS LGT CHOP
TIP UAHeader: reporting station and UA: a routine pilot report.OV RBSLocation: fix or navaid, optionally with a radial and distance in NM.TM 0539Reported at 05:39 UTC.FL410Altitude: 41,000 ft MSL.TP GLF5Aircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.⚠️ 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 34 observations, with 8 flight-category changes. The lowest ceiling was 300 ft. Wind most often came from the W.
Most recent change: IFR → VFR
Most recent change: IFR → VFR
- 28
- 33%
- 05
- 32%
- 23
- 19%
- 10
- 16%
TAF | Terminal Aerodrome Forecast
Issued 0520Z (1:20 AM EDT)
TAF KLAF 130520Z 1306/1406 00000KT 6SM BR FEW250 FM130900 29001KT 3SM BR SCT010 TEMPO 1309/1312 1/2SM FG VV001 FM131300 33004KT P6SM SCT100 FM131800 34012G18KT P6SM SCT050 BKN100 PROB30 1320/1323 -SHRA BKN050 FM132300 01008KT P6SM BKN080
New to TAFs? How to read one →
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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
- 15h 7m
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.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
9 airports+3 more within 50 NM
50–100 NM
7 airports+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
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.
Full historical breakdown
Flight category by month
| 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
| 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 |
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 2609 · 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-submittedCommunity-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.
Why pilots use ATIS Alerts
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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