KSTL TAF

Terminal aerodrome forecast for St Louis Lambert International (STL · KSTL), St Louis, MO. Issued 5 Nov 2026 1515Z, valid 1500Z to 1800Z, decoded period by period below. · Open on the map

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TAF issued 5 Nov 2026 1515Z

valid 1500Z to 1800Z

TAF KSTL 051515Z 0515/0618 23010KT P6SM SCT040 FM051700 26012G19KT P6SM BKN040 FM052300 29010KT P6SM OVC025 FM060300 30008KT P6SM OVC015

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1500Z to 1700Z	Initial	230° at 10 kt	6+ SM	Clear	Scattered at 4,000 ft AGL	VFR

1700Z to 2300Z	FM	260° at 12-19 kt	6+ SM	4,000 ft BKN	Broken at 4,000 ft AGL	VFR

2300Z to 0300Z	FM	290° at 10 kt	6+ SM	2,500 ft OVC	Overcast at 2,500 ft AGL	MVFR

0300Z to 1800Z	FM	300° at 8 kt	6+ SM	1,500 ft OVC	Overcast at 1,500 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 KSTL?

The forecast issued 5 Nov 2026 1515Z for St Louis Lambert International reads: TAF KSTL 051515Z 0515/0618 23010KT P6SM SCT040 FM051700 26012G19KT P6SM BKN040 FM052300 29010KT P6SM OVC025 FM060300 30008KT P6SM OVC015

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 KSTL

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Something here wrong or out of date?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.