KTYS TAF

Terminal aerodrome forecast for Mc Ghee Tyson (TYS · KTYS), Knoxville, TN. Issued 5 Nov 2026 0104Z, valid 0100Z to 0000Z, decoded period by period below. · Open on the map

All of Mc Ghee Tyson — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 0104Z

valid 0100Z to 0000Z

TAF KTYS 050104Z 0501/0524 VRB06KT 6SM -SHRA BKN004 BKN025 OVC040 FM050300 23007KT P6SM VCSH SCT007 OVC020 FM050500 24004KT P6SM BKN010 FM051500 25006KT P6SM SCT025 BKN035

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0100Z to 0300Z	Initial	Variable at 6 kt	6+ SM	400 ft BKN	Broken at 400 ft AGL, Broken at 2,500 ft AGL, Overcast at 4,000 ft AGL	LIFR

0300Z to 0500Z	FM	230° at 7 kt	6+ SM	2,000 ft OVC	Scattered at 700 ft AGL, Overcast at 2,000 ft AGL	MVFR

0500Z to 1500Z	FM	240° at 4 kt	6+ SM	1,000 ft BKN	Broken at 1,000 ft AGL	MVFR

1500Z to 0000Z	FM	250° at 6 kt	6+ SM	3,500 ft BKN	Scattered at 2,500 ft AGL, 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

LIFR: Low IFR — ceiling below 500 ft and/or visibility less than 1 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 KTYS?

The forecast issued 5 Nov 2026 0104Z for Mc Ghee Tyson reads: TAF KTYS 050104Z 0501/0524 VRB06KT 6SM -SHRA BKN004 BKN025 OVC040 FM050300 23007KT P6SM VCSH SCT007 OVC020 FM050500 24004KT P6SM BKN010 FM051500 25006KT P6SM SCT025 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 KTYS

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Something here wrong or out of date?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.