KCPS METAR

Current observed weather at St Louis Downtown (CPS · KCPS), Cahokia/St Louis, IL, elevation 413 ft. Reported 21 Sep 2026 0712Z, decoded below with the past 24 hours of observations. · Open on the map

All of St Louis Downtown — runways, frequencies, charts and live weather

SPECI special report 21 Sep 2026 0712Z

VFR

SPECI KCPS 210712Z AUTO 04003KT 10SM -RA FEW015 SCT022 OVC110 22/21 A2995 RMK AO2 P0002 T02170206 $

Wind

040° at 3 kt

Visibility

10+ SM

Ceiling

11,000 ft OVC

Temp / Dewpoint

22° / 21°C

Altimeter

29.95"

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	040° at 3 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	11,000 ft OVC	Lowest OVC layer, 11,000 ft above the field.
Sky	Few at 1,500 ft AGL, Scattered at 2,200 ft AGL, Overcast at 11,000 ft AGL	—
Temperature	22°C (71°F)	—
Dewpoint	21°C (69°F)	—
Temp/dewpoint spread	1°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	29.95 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
0753Z	VFR	000° at 0 kt	10+ SM	Clear	24°C
0853Z	VFR	000° at 0 kt	10+ SM	Clear	23°C
0953Z	VFR	240° at 5 kt	10+ SM	Clear	24°C
1053Z	VFR	240° at 4 kt	10+ SM	Clear	23°C
1153Z	VFR	270° at 3 kt	10+ SM	Clear	23°C
1253Z	VFR	220° at 3 kt	10+ SM	Clear	23°C
1353Z	VFR	000° at 0 kt	10+ SM	Clear	26°C
1453Z	VFR	020° at 4 kt	10+ SM	Clear	27°C
1553Z	VFR	090° at 3 kt	10+ SM	Clear	28°C
1653Z	VFR	100° at 4 kt	10+ SM	Clear	29°C
1753Z	VFR	Variable at 3 kt	10+ SM	Clear	31°C
1853Z	VFR	000° at 0 kt	10+ SM	Clear	32°C
1953Z	VFR	000° at 0 kt	10+ SM	Clear	33°C
2053Z	VFR	Variable at 3 kt	10+ SM	Clear	34°C
2153Z	VFR	Variable at 3 kt	10+ SM	Clear	33°C
2253Z	VFR	320° at 4 kt	10+ SM	Clear	33°C
2353Z	VFR	300° at 3 kt	10+ SM	10,000 ft	31°C
0053Z	VFR	170° at 3 kt	10+ SM	8,500 ft	28°C
0153Z	VFR	010° at 9 kt	10+ SM	11,000 ft	25°C
0253Z	VFR	020° at 7 kt	10+ SM	11,000 ft	24°C
0353Z	MVFR	020° at 6 kt	5 SM	7,000 ft	24°C
0453Z	MVFR	220° at 6 kt	3 SM	4,300 ft	23°C
0553Z	VFR	010° at 3 kt	7 SM	11,000 ft	22°C
0653Z	MVFR	360° at 6 kt	10+ SM	2,100 ft	22°C

Frequently asked

What is the current METAR at KCPS?

The 21 Sep 2026 0712Z observation at St Louis Downtown reads: SPECI KCPS 210712Z AUTO 04003KT 10SM -RA FEW015 SCT022 OVC110 22/21 A2995 RMK AO2 P0002 T02170206 $

Is KCPS VFR right now?

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

How often is the KCPS 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 KCPS

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.