KDAY TAF

Terminal aerodrome forecast for James M Cox Dayton International (DAY · KDAY), Dayton, OH. Issued 4 Nov 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map

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TAF issued 4 Nov 2026 2320Z

valid 0000Z to 0000Z

TAF KDAY 042320Z 0500/0524 20012KT 5SM -DZ BR BKN008 FM050200 22010KT 5SM -DZ BKN015 FM050400 24009KT P6SM BKN025 FM051500 23014G23KT P6SM SCT035

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0000Z to 0200Z	Initial	200° at 12 kt	5 SM	800 ft BKN	Broken at 800 ft AGL	IFR

0200Z to 0400Z	FM	220° at 10 kt	5 SM	1,500 ft BKN	Broken at 1,500 ft AGL	MVFR

0400Z to 1500Z	FM	240° at 9 kt	6+ SM	2,500 ft BKN	Broken at 2,500 ft AGL	MVFR

1500Z to 0000Z	FM	230° at 14-23 kt	6+ SM	Clear	Scattered 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

IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 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 KDAY?

The forecast issued 4 Nov 2026 2320Z for James M Cox Dayton International reads: TAF KDAY 042320Z 0500/0524 20012KT 5SM -DZ BR BKN008 FM050200 22010KT 5SM -DZ BKN015 FM050400 24009KT P6SM BKN025 FM051500 23014G23KT P6SM SCT035

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 KDAY

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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