KGPI TAF

Terminal aerodrome forecast for Glacier Park International (GPI · KGPI), Kalispell, MT. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map

All of Glacier Park International — runways, frequencies, charts and live weather

TAF issued 20 Sep 2026 2320Z

valid 0000Z to 0000Z
TAF KGPI 202320Z 2100/2124 18008KT P6SM SKC FM210200 00000KT P6SM SKC FM211100 00000KT 5SM BR VCFG SKC TEMPO 2112/2114 2SM BR BCFG SCT003 FM211400 02003KT P6SM SKC FM211900 16008KT P6SM SKC

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

Period by period

Period (UTC)ChangeWindVisCeilingSkyCat
0000Z to 0200ZInitial180° at 8 kt6+ SMClearClear below 12,000 ftVFR
0200Z to 1100ZFM000° at 0 kt6+ SMClearClear below 12,000 ftVFR
1100Z to 1400ZFM000° at 0 kt5 SMClearClear below 12,000 ftMVFR
1200Z to 1400ZTEMPOCalm2 SMClearScattered at 300 ft AGLIFR
1400Z to 1900ZFM020° at 3 kt6+ SMClearClear below 12,000 ftVFR
1900Z to 0000ZFM160° at 8 kt6+ SMClearClear below 12,000 ftVFR

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 KGPI?

The forecast issued 20 Sep 2026 2320Z for Glacier Park International reads: TAF KGPI 202320Z 2100/2124 18008KT P6SM SKC FM210200 00000KT P6SM SKC FM211100 00000KT 5SM BR VCFG SKC TEMPO 2112/2114 2SM BR BCFG SCT003 FM211400 02003KT P6SM SKC FM211900 16008KT 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 KGPI

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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