KLAF TAF
Terminal aerodrome forecast for Purdue University (LAF · KLAF), Lafayette, IN. Issued 21 Sep 2026 0228Z, valid 0200Z to 0000Z, decoded period by period below. · Open on the map
All of Purdue University — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0228Z
valid 0200Z to 0000ZTAF KLAF 210228Z 2102/2124 06010KT P6SM VCSH BKN007 OVC013 FM210600 04010KT P6SM OVC010 FM211400 06012KT P6SM OVC015 FM212100 05012KT P6SM BKN035
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0200Z to 0600Z | Initial | 060° at 10 kt | 6+ SM | 700 ft BKN | Broken at 700 ft AGL, Overcast at 1,300 ft AGL | IFR |
| 0600Z to 1400Z | FM | 040° at 10 kt | 6+ SM | 1,000 ft OVC | Overcast at 1,000 ft AGL | MVFR |
| 1400Z to 2100Z | FM | 060° at 12 kt | 6+ SM | 1,500 ft OVC | Overcast at 1,500 ft AGL | MVFR |
| 2100Z to 0000Z | FM | 050° at 12 kt | 6+ SM | 3,500 ft BKN | Broken at 3,500 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KLAF?
The forecast issued 21 Sep 2026 0228Z for Purdue University reads: TAF KLAF 210228Z 2102/2124 06010KT P6SM VCSH BKN007 OVC013 FM210600 04010KT P6SM OVC010 FM211400 06012KT P6SM OVC015 FM212100 05012KT P6SM BKN035
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KLAF
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.
Something here wrong or out of date? Report a data problem.