KGUS METAR

Current observed weather at Grissom ARB (GUS · KGUS), Peru, IN, elevation 811 ft. Reported 5 Nov 2026 0520Z, 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 5 Nov 2026 0520Z

MVFR

SPECI KGUS 050520Z AUTO 25010KT 10SM SCT017 OVC024 13/09 A2977 RMK AO2 CIG 017V026 SLP082 TSNO $

Wind

250° at 10 kt

Visibility

10+ SM

Ceiling

2,400 ft OVC

Temp / Dewpoint

13° / 9°C

Altimeter

29.77"

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

Remarks

5 groups after RMK, decoded per FMH-1 §12.7

Ceiling varying from 1,700 to 2,600 ft.

Code	Meaning	Kind
CIG 017V026	Ceiling varying from 1,700 to 2,600 ft	Weather
SLP082	Sea level pressure 1008.2 hPa	Measurement
AO2	Automated station with a precipitation sensor	Station
TSNO	Lightning detector not operating	Station
$	Station is due for maintenance	Station

What it says

Field	Value	What that means
Flight category	MVFR	Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Wind	250° at 10 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	2,400 ft OVC	Lowest OVC layer, 2,400 ft above the field.
Sky	Scattered at 1,700 ft AGL, Overcast at 2,400 ft AGL	—
Temperature	13°C (55°F)	—
Dewpoint	9°C (48°F)	—
Temp/dewpoint spread	4°C	The margin before the air reaches saturation.
Altimeter	29.77 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 23 stored observations time · category · wind · visibility · ceiling · temp

Time	Category	Wind	Visibility	Ceiling	Temp
0555Z	VFR	170° at 13 kt	10+ SM	11,000 ft	22°C
0655Z	VFR	180° at 12 kt	10+ SM	3,400 ft	22°C
0755Z	VFR	200° at 13 kt	10+ SM	3,200 ft	22°C
0855Z	VFR	170° at 8 kt	10+ SM	8,000 ft	18°C
0946Z	VFR	170° at 7 kt	10+ SM	7,500 ft	17°C
1055Z	VFR	160° at 8 kt	10+ SM	5,500 ft	17°C
1155Z	VFR	150° at 10 kt	10+ SM	3,700 ft	17°C
1255Z	MVFR	140° at 9 kt	10+ SM	2,600 ft	17°C
1355Z	MVFR	150° at 11 kt	10+ SM	1,500 ft	18°C
1455Z	IFR	160° at 12 kt	10+ SM	700 ft	19°C
1548Z	IFR	180° at 13 kt	10+ SM	700 ft	19°C
1617Z	MVFR	220° at 15-24 kt	7 SM	1,000 ft	19°C
1750Z	VFR	230° at 10 kt	10+ SM	3,600 ft	20°C
1830Z	VFR	240° at 13 kt	10+ SM	3,300 ft	20°C
2055Z	VFR	250° at 13 kt	10+ SM	3,300 ft	19°C
2155Z	VFR	250° at 14 kt	10+ SM	4,600 ft	18°C
2255Z	VFR	250° at 11 kt	10+ SM	5,000 ft	17°C
2355Z	VFR	280° at 10 kt	10+ SM	4,500 ft	16°C
0055Z	VFR	270° at 10 kt	10+ SM	4,100 ft	15°C
0155Z	MVFR	270° at 14 kt	10+ SM	1,500 ft	14°C
0255Z	MVFR	280° at 10 kt	10+ SM	1,800 ft	14°C
0310Z	MVFR	270° at 9 kt	10+ SM	2,500 ft	14°C
0455Z	MVFR	250° at 8 kt	10+ SM	2,000 ft	13°C

Frequently asked

What is the current METAR at KGUS?

The 5 Nov 2026 0520Z observation at Grissom ARB reads: SPECI KGUS 050520Z AUTO 25010KT 10SM SCT017 OVC024 13/09 A2977 RMK AO2 CIG 017V026 SLP082 TSNO $ Remarks: Ceiling varying from 1,700 to 2,600 ft.

Is KGUS VFR right now?

Grissom ARB is reporting MVFR. Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 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.