KGUS METAR

Current observed weather at Grissom ARB (GUS · KGUS), Peru, IN, elevation 811 ft. Reported 21 Sep 2026 0300Z, decoded below with the past 24 hours of observations. · Open on the map

All of Grissom ARB — runways, frequencies, charts and live weather

SPECI special report 21 Sep 2026 0300Z

IFR

SPECI KGUS 210300Z AUTO 05013KT 10SM -RA OVC006 16/15 A3001 RMK AO2 CIG 005 RWY23 SLP162 TSNO $

Wind

050° at 13 kt

Visibility

10+ SM

Ceiling

600 ft OVC

Temp / Dewpoint

16° / 15°C

Altimeter

30.01"

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

What it says

Field	Value	What that means
Flight category	IFR	Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
Wind	050° at 13 kt	Direction is degrees true, as reported.
Visibility	10+ SM	10 SM is the maximum an automated US station reports; it means 10 or greater.
Ceiling	600 ft OVC	Lowest OVC layer, 600 ft above the field.
Sky	Overcast at 600 ft AGL	—
Temperature	16°C (61°F)	—
Dewpoint	15°C (59°F)	—
Temp/dewpoint spread	1°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	30.01 inHg	Set this in the Kollsman window; it is the field’s current sea level pressure setting.

VFRMVFRIFRLIFRhover for the full observation

Flight category

Wind · kt (gust shading)

Ceiling · ft (log scale, ▲ = unlimited)

Visibility · SM

All 24 stored observations time · category · wind · visibility · ceiling · temp

Time	Category	Wind	Visibility	Ceiling	Temp
0355Z	VFR	000° at 0 kt	8 SM	Clear	21°C
0455Z	MVFR	060° at 6 kt	5 SM	Clear	21°C
0555Z	VFR	000° at 0 kt	10+ SM	Clear	20°C
0655Z	VFR	080° at 4 kt	8 SM	Clear	20°C
0755Z	VFR	100° at 3 kt	8 SM	Clear	20°C
0855Z	VFR	070° at 3 kt	7 SM	Clear	20°C
0955Z	VFR	050° at 4 kt	9 SM	Clear	20°C
1055Z	VFR	050° at 4 kt	8 SM	Clear	20°C
1155Z	VFR	120° at 6 kt	6 SM	Clear	20°C
1255Z	MVFR	010° at 6 kt	10+ SM	1,300 ft	20°C
1355Z	VFR	090° at 4 kt	10+ SM	Clear	22°C
1455Z	VFR	070° at 7 kt	10+ SM	Clear	23°C
1555Z	VFR	040° at 5 kt	10+ SM	Clear	25°C
1655Z	VFR	080° at 5 kt	10+ SM	Clear	25°C
1755Z	VFR	080° at 9 kt	10+ SM	Clear	26°C
1855Z	VFR	050° at 6 kt	10+ SM	Clear	25°C
1955Z	VFR	010° at 7 kt	10+ SM	Clear	23°C
2055Z	VFR	020° at 7 kt	10+ SM	3,200 ft	23°C
2150Z	IFR	030° at 7 kt	8 SM	900 ft	22°C
2255Z	IFR	040° at 10 kt	2.75 SM	900 ft	20°C
2328Z	IFR	050° at 9 kt	6 SM	900 ft	19°C
2358Z	IFR	060° at 11 kt	6 SM	800 ft	19°C
0055Z	IFR	050° at 10 kt	10+ SM	700 ft	18°C
0255Z	IFR	050° at 13 kt	10+ SM	700 ft	16°C

Frequently asked

What is the current METAR at KGUS?

The 21 Sep 2026 0300Z observation at Grissom ARB reads: SPECI KGUS 210300Z AUTO 05013KT 10SM -RA OVC006 16/15 A3001 RMK AO2 CIG 005 RWY23 SLP162 TSNO $

Is KGUS VFR right now?

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

How often is the KGUS METAR updated?

Routine observations are issued hourly, usually in the 5 minutes before the hour. A SPECI is issued between them whenever conditions change significantly — a ceiling or visibility crossing a category threshold, a wind shift, or the onset of precipitation or a thunderstorm.

More about KGUS

Observations 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.