KIAH TAF

Terminal aerodrome forecast for George Bush Intcntl/Houston (IAH · KIAH), Houston, TX. Issued 5 Nov 2026 1121Z, valid 1200Z to 1800Z, decoded period by period below. · Open on the map

All of George Bush Intcntl/Houston — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 1121Z

valid 1200Z to 1800Z

TAF KIAH 051121Z 0512/0618 VRB03KT P6SM SKC FM051600 15005KT P6SM FEW250 FM060000 VRB03KT P6SM SCT250 FM061200 33007KT P6SM SCT050 SCT250

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1200Z to 1600Z	Initial	Variable at 3 kt	6+ SM	Clear	Clear below 12,000 ft	VFR

1600Z to 0000Z	FM	150° at 5 kt	6+ SM	Clear	Few at 25,000 ft AGL	VFR

0000Z to 1200Z	FM	Variable at 3 kt	6+ SM	Clear	Scattered at 25,000 ft AGL	VFR

1200Z to 1800Z	FM	330° at 7 kt	6+ SM	Clear	Scattered at 5,000 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.

What the categories mean

VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

Frequently asked

What is the current TAF for KIAH?

The forecast issued 5 Nov 2026 1121Z for George Bush Intcntl/Houston reads: TAF KIAH 051121Z 0512/0618 VRB03KT P6SM SKC FM051600 15005KT P6SM FEW250 FM060000 VRB03KT P6SM SCT250 FM061200 33007KT P6SM SCT050 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 KIAH

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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