KJAC TAF
Terminal aerodrome forecast for Jackson Hole (JAC · KJAC), Jackson, WY. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of Jackson Hole — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2320Z
valid 0000Z to 0000ZTAF KJAC 202320Z 2100/2124 28007KT P6SM SCT050 OVC080 FM210130 03004KT P6SM FEW050 SCT100 FM211000 02004KT P6SM VCFG FEW002 FEW120 TEMPO 2112/2116 3SM BR SCT002 BKN020 FM211800 20005KT P6SM FEW080 SCT250
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0130Z | Initial | 280° at 7 kt | 6+ SM | 8,000 ft OVC | Scattered at 5,000 ft AGL, Overcast at 8,000 ft AGL | VFR |
| 0130Z to 1000Z | FM | 030° at 4 kt | 6+ SM | Clear | Few at 5,000 ft AGL, Scattered at 10,000 ft AGL | VFR |
| 1000Z to 1800Z | FM | 020° at 4 kt | 6+ SM | Clear | Few at 200 ft AGL, Few at 12,000 ft AGL | VFR |
| 1200Z to 1600Z | TEMPO | Calm | 3 SM | 2,000 ft BKN | Scattered at 200 ft AGL, Broken at 2,000 ft AGL | MVFR |
| 1800Z to 0000Z | FM | 200° at 5 kt | 6+ SM | Clear | Few at 8,000 ft AGL, Scattered at 25,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
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 KJAC?
The forecast issued 20 Sep 2026 2320Z for Jackson Hole reads: TAF KJAC 202320Z 2100/2124 28007KT P6SM SCT050 OVC080 FM210130 03004KT P6SM FEW050 SCT100 FM211000 02004KT P6SM VCFG FEW002 FEW120 TEMPO 2112/2116 3SM BR SCT002 BKN020 FM211800 20005KT P6SM FEW080 SCT250
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 KJAC
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.