KGUS TAF

Terminal aerodrome forecast for Grissom ARB (GUS · KGUS), Peru, IN. Issued 5 Nov 2026 1400Z, valid 1400Z to 2000Z, decoded period by period below. · Open on the map

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TAF issued 5 Nov 2026 1400Z

valid 1400Z to 2000Z

TAF KGUS 051400Z 0514/0620 21009KT 9999 FEW030 QNH2976INS BECMG 0514/0515 23015G25KT 9999 OVC017 QNH2976INS BECMG 0518/0519 24015G25KT 9999 OVC025 QNH2975INS BECMG 0520/0521 25012KT 9999 OVC025 QNH2977INS BECMG 0603/0604 28009KT 9000 -SHRA OVC009 610654 QNH2984INS BECMG 0609/0610 34009KT 9999 NSW OVC015 620406 QNH2990INS BECMG 0614/0615 33009KT 9999 OVC025 620343 QNH2999INS TX13/0519Z TN07/0612Z

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1400Z to 2000Z	Initial	210° at 9 kt	6+ SM	Clear	Few at 3,000 ft AGL	VFR
`QNH2976INS` Lowest altimeter setting 29.76 inHg
1400Z to 1800Z	BECMG	230° at 15-25 kt	6+ SM	1,700 ft OVC	Overcast at 1,700 ft AGL	MVFR
`QNH2976INS` Lowest altimeter setting 29.76 inHg
1800Z to 2000Z	BECMG	240° at 15-25 kt	6+ SM	2,500 ft OVC	Overcast at 2,500 ft AGL	MVFR
`QNH2975INS` Lowest altimeter setting 29.75 inHg
2000Z to 0300Z	BECMG	250° at 12 kt	6+ SM	2,500 ft OVC	Overcast at 2,500 ft AGL	MVFR
`QNH2977INS` Lowest altimeter setting 29.77 inHg
0300Z to 0900Z	BECMG	280° at 9 kt	5.56 SM	900 ft OVC	Overcast at 900 ft AGL	IFR
`610654` Light icing (mixed) from 6,500 ft to 10,500 ft AGL `QNH2984INS` Lowest altimeter setting 29.84 inHg
0900Z to 1400Z	BECMG	340° at 9 kt	6+ SM	1,500 ft OVC	Overcast at 1,500 ft AGL	MVFR
`NSW` No significant weather `620406` Light icing in cloud (rime) from 4,000 ft to 10,000 ft AGL `QNH2990INS` Lowest altimeter setting 29.90 inHg
1400Z to 2000Z	BECMG	330° at 9 kt	6+ SM	2,500 ft OVC	Overcast at 2,500 ft AGL	MVFR
`620343` Light icing in cloud (rime) from 3,400 ft to 6,400 ft AGL `QNH2999INS` Lowest altimeter setting 29.99 inHg

Forecast notes

TX13/0519Z Maximum temperature 13°C at 1900Z on the 5th
TN07/0612Z Minimum temperature 7°C at 1200Z on the 6th

What the change groups mean

BECMG: Becoming — a gradual change over the stated window.

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 KGUS?

The forecast issued 5 Nov 2026 1400Z for Grissom ARB reads: TAF KGUS 051400Z 0514/0620 21009KT 9999 FEW030 QNH2976INS BECMG 0514/0515 23015G25KT 9999 OVC017 QNH2976INS BECMG 0518/0519 24015G25KT 9999 OVC025 QNH2975INS BECMG 0520/0521 25012KT 9999 OVC025 QNH2977INS BECMG 0603/0604 28009KT 9000 -SHRA OVC009 610654 QNH2984INS BECMG 0609/0610 34009KT 9999 NSW OVC015 620406 QNH2990INS BECMG 0614/0615 33009KT 9999 OVC025 620343 QNH2999INS TX13/0519Z TN07/0612Z

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 KGUS

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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