KMVN TAF

Terminal aerodrome forecast for Mount Vernon (MVN · KMVN), Mount Vernon, IL. Issued 5 Nov 2026 0520Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map

All of Mount Vernon — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 0520Z

valid 0600Z to 0600Z

TAF KMVN 050520Z 0506/0606 00000KT P6SM SCT035 TEMPO 0506/0510 3SM BR BCFG FEW001 BKN035 FM051600 23009KT P6SM SCT050 FM060000 29007KT P6SM BKN035

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0600Z to 1600Z	Initial	Calm	6+ SM	Clear	Scattered at 3,500 ft AGL	VFR

0600Z to 1000Z	TEMPO	No change	3 SM	3,500 ft BKN	Few at 100 ft AGL, Broken at 3,500 ft AGL	MVFR

1600Z to 0000Z	FM	230° at 9 kt	6+ SM	Clear	Scattered at 5,000 ft AGL	VFR

0000Z to 0600Z	FM	290° at 7 kt	6+ SM	3,500 ft BKN	Broken at 3,500 ft AGL	VFR

What the change groups mean

TEMPO: Temporary — expected for less than half the period, in spells under an hour.
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 KMVN?

The forecast issued 5 Nov 2026 0520Z for Mount Vernon reads: TAF KMVN 050520Z 0506/0606 00000KT P6SM SCT035 TEMPO 0506/0510 3SM BR BCFG FEW001 BKN035 FM051600 23009KT P6SM SCT050 FM060000 29007KT P6SM 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 KMVN

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Something here wrong or out of date?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.