KMSO TAF

Terminal aerodrome forecast for Missoula Montana (MSO · KMSO), Missoula, MT. Issued 21 Sep 2026 0520Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map

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TAF issued 21 Sep 2026 0520Z

valid 0600Z to 0600Z

TAF KMSO 210520Z 2106/2206 00000KT P6SM SKC FM211100 00000KT 6SM BR VCFG SKC TEMPO 2111/2114 3SM BR BCFG SCT003 FM211400 00000KT 6SM BR VCFG FEW005 FM211500 VRB03KT P6SM SKC

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
0600Z to 1100Z	Initial	000° at 0 kt	6+ SM	Clear	Clear below 12,000 ft	VFR
1100Z to 1400Z	FM	000° at 0 kt	6+ SM	Clear	Clear below 12,000 ft	VFR
1100Z to 1400Z	TEMPO	Calm	3 SM	Clear	Scattered at 300 ft AGL	MVFR
1400Z to 1500Z	FM	000° at 0 kt	6+ SM	Clear	Few at 500 ft AGL	VFR
1500Z to 0600Z	FM	Variable at 3 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.

Frequently asked

What is the current TAF for KMSO?

The forecast issued 21 Sep 2026 0520Z for Missoula Montana reads: TAF KMSO 210520Z 2106/2206 00000KT P6SM SKC FM211100 00000KT 6SM BR VCFG SKC TEMPO 2111/2114 3SM BR BCFG SCT003 FM211400 00000KT 6SM BR VCFG FEW005 FM211500 VRB03KT P6SM SKC

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 KMSO

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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