KLWT TAF

Terminal aerodrome forecast for Lewistown Municipal (LWT · KLWT), Lewistown, MT. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map

All of Lewistown Municipal — runways, frequencies, charts and live weather

TAF issued 20 Sep 2026 2320Z

valid 0000Z to 0000Z

TAF KLWT 202320Z 2100/2124 12007KT P6SM SKC FM210800 12007KT 6SM BR SCT005 BKN015 TEMPO 2112/2115 3SM BR BKN005 FM211600 VRB06KT P6SM SKC AMD NOT SKED

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0000Z to 0800Z	Initial	120° at 7 kt	6+ SM	Clear	Clear below 12,000 ft	VFR
0800Z to 1600Z	FM	120° at 7 kt	6+ SM	1,500 ft BKN	Scattered at 500 ft AGL, Broken at 1,500 ft AGL	MVFR
1200Z to 1500Z	TEMPO	Calm	3 SM	500 ft BKN	Broken at 500 ft AGL	IFR
1600Z to 0000Z	FM	Variable at 6 kt	6+ SM	Clear	Clear below 12,000 ft	VFR

What the change groups mean

FM: From — a rapid, permanent change to the conditions that follow.
TEMPO: Temporary — expected for less than half the period, in spells under an hour.

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

Frequently asked

What is the current TAF for KLWT?

The forecast issued 20 Sep 2026 2320Z for Lewistown Municipal reads: TAF KLWT 202320Z 2100/2124 12007KT P6SM SKC FM210800 12007KT 6SM BR SCT005 BKN015 TEMPO 2112/2115 3SM BR BKN005 FM211600 VRB06KT P6SM SKC AMD NOT SKED

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 KLWT

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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