KTRI TAF

Terminal aerodrome forecast for Tri-Cities (TRI · KTRI), Bristol/Johnson/Kingsport, TN. Issued 20 Sep 2026 2339Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map

All of Tri-Cities — runways, frequencies, charts and live weather

TAF issued 20 Sep 2026 2339Z

valid 0000Z to 0000Z

TAF KTRI 202339Z 2100/2124 VRB02KT P6SM FEW150 FM210900 00000KT 4SM BR FEW250 TEMPO 2110/2113 1SM BR SCT001 FM211400 23002KT P6SM SCT050 SCT250 PROB30 2118/2124 5SM -SHRA BKN050

Times are UTC (Zulu), as they appear in the bulletin.

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0000Z to 0900Z	Initial	Variable at 2 kt	6+ SM	Clear	Few at 15,000 ft AGL	VFR
0900Z to 1400Z	FM	000° at 0 kt	4 SM	Clear	Few at 25,000 ft AGL	MVFR
1000Z to 1300Z	TEMPO	Calm	1 SM	Clear	Scattered at 100 ft AGL	IFR
1400Z to 0000Z	FM	230° at 2 kt	6+ SM	Clear	Scattered at 5,000 ft AGL, Scattered at 25,000 ft AGL	VFR
1800Z to 0000Z	PROB	Calm	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.
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.
IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.

Frequently asked

What is the current TAF for KTRI?

The forecast issued 20 Sep 2026 2339Z for Tri-Cities reads: TAF KTRI 202339Z 2100/2124 VRB02KT P6SM FEW150 FM210900 00000KT 4SM BR FEW250 TEMPO 2110/2113 1SM BR SCT001 FM211400 23002KT P6SM SCT050 SCT250 PROB30 2118/2124 5SM -SHRA BKN050

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 KTRI

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.

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