KGCN TAF
Terminal aerodrome forecast for Grand Canyon National Park (GCN · KGCN), Grand Canyon, AZ. Issued 21 Sep 2026 0520Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of Grand Canyon National Park — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0520Z
valid 0600Z to 0600ZTAF KGCN 210520Z 2106/2206 VRB03KT P6SM SCT200 FM211700 20009KT P6SM FEW080 SCT200 FM220100 VRB03KT P6SM SCT100 PROB30 2201/2206 VRB15G30KT 5SM -TSRA BKN050CB
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 1700Z | Initial | Variable at 3 kt | 6+ SM | Clear | Scattered at 20,000 ft AGL | VFR |
| 1700Z to 0100Z | FM | 200° at 9 kt | 6+ SM | Clear | Few at 8,000 ft AGL, Scattered at 20,000 ft AGL | VFR |
| 0100Z to 0600Z | FM | Variable at 3 kt | 6+ SM | Clear | Scattered at 10,000 ft AGL | VFR |
| 0100Z to 0600Z | PROB | Variable at 15-30 kt | 5 SM | 5,000 ft BKN | Broken at 5,000 ft AGL | MVFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Frequently asked
What is the current TAF for KGCN?
The forecast issued 21 Sep 2026 0520Z for Grand Canyon National Park reads: TAF KGCN 210520Z 2106/2206 VRB03KT P6SM SCT200 FM211700 20009KT P6SM FEW080 SCT200 FM220100 VRB03KT P6SM SCT100 PROB30 2201/2206 VRB15G30KT 5SM -TSRA BKN050CB
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 KGCN
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Something here wrong or out of date?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.