KALN METAR

Current observed weather at St Louis Regional Airport (ALN · KALN), Alton/St Louis, IL, elevation 544 ft. Reported 7 Aug 2026 0150Z, decoded below with the past 24 hours of observations.

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METAR observed 7 Aug 2026 0150Z

VFR

METAR KALN 070150Z VRB04KT 10SM BKN080 21/20 A3009

Wind

Variable at 4 kt

Visibility

10+ SM

Ceiling

8,000 ft BKN

Temp / Dewpoint

21° / 20°C

Altimeter

30.09"

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

What it says

Field	Value	What that means
Flight category	VFR	Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Wind	Variable at 4 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	8,000 ft BKN	Lowest BKN layer, 8,000 ft above the field.
Sky	Broken at 8,000 ft AGL	—
Temperature	21°C (70°F)	—
Dewpoint	20°C (68°F)	—
Temp/dewpoint spread	1°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	30.09 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
0245Z	VFR	130° at 4 kt	10+ SM	Clear	24°C
0355Z	VFR	110° at 3 kt	10+ SM	Clear	24°C
0455Z	VFR	000° at 0 kt	10+ SM	5,000 ft	23°C
0535Z	VFR	140° at 5 kt	10+ SM	Clear	24°C
0535Z	VFR	140° at 5 kt	10+ SM	Clear	24°C
0815Z	VFR	000° at 0 kt	10+ SM	Clear	22°C
0955Z	VFR	340° at 3 kt	10+ SM	6,000 ft	23°C
1055Z	VFR	270° at 13-19 kt	7 SM	10,000 ft	23°C
1150Z	VFR	240° at 10-18 kt	6 SM	11,000 ft	21°C
1250Z	VFR	Calm	7 SM	10,000 ft	20°C
1350Z	VFR	260° at 6 kt	10+ SM	Clear	21°C
1450Z	VFR	280° at 7 kt	10+ SM	Clear	22°C
1450Z	VFR	280° at 7 kt	10+ SM	Clear	22°C
1650Z	VFR	160° at 10 kt	10+ SM	Clear	22°C
1750Z	VFR	Variable at 4 kt	10+ SM	Clear	22°C
1850Z	VFR	190° at 10 kt	10+ SM	Clear	22°C
1950Z	VFR	130° at 16 kt	10+ SM	11,000 ft	21°C
2050Z	MVFR	350° at 3 kt	10+ SM	1,700 ft	21°C
2150Z	VFR	150° at 6 kt	10+ SM	Clear	22°C
2250Z	VFR	120° at 4 kt	10+ SM	Clear	24°C
2345Z	VFR	110° at 5 kt	10+ SM	8,000 ft	22°C
0050Z	VFR	130° at 4 kt	10+ SM	8,000 ft	22°C
0150Z	VFR	Variable at 4 kt	10+ SM	8,000 ft	21°C

Frequently asked

What is the current METAR at KALN?

The 7 Aug 2026 0150Z observation at St Louis Regional Airport reads: METAR KALN 070150Z VRB04KT 10SM BKN080 21/20 A3009

Is KALN VFR right now?

St Louis Regional Airport is reporting VFR. Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

How often is the KALN 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 KALN

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.