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KCPSIATA CPSUSFlight category: VFR

St Louis Downtown Airport (CPS/KCPS)

Cahokia/St Louis125 m

28.3°CTemperature140° · 6 ktWind10+ miVisibility
METAR / TAF
Temperature
28.3°C
Dew point
18.9°C
Wind
140° · 6 kt
Visibility
10+ mi
Altimeter
30.14 inHg
Current conditions
VFR

Wind on the runway

Runway heading
47°
Headwind
0 kt
Tailwind
Crosswind
6 kt
From the right

Cloud ceiling profile

No reported cloud layers

METAR

Aug 29, 2026, 3:53 PM (UTC)

Decoded observation

Report type
METAR
issued
Aug 29, 2026, 3:53 PM (UTC)
wind
140° · 6 kt
visibility
10 SM
temperature
28 °C
dew point
19 °C
altimeter setting
30.14 inHg
Sea-level pressure
1,020.3 hPa
flight category
VFR

Remarks and supplementary codes

Supplementary code
AO2
Supplementary code
SLP203
Supplementary code
T02830189
Supplementary code
$

TAF

Aug 29, 2026, 11:20 AM (UTC)

Forecast period 1 · base period

Validity
Aug 29, 2026, 12:00 PM (UTC) – Aug 29, 2026, 4:00 PM (UTC)
wind
variable wind · 3 kt
visibility
>6 SM
clouds
FEW · few clouds · 25,000 ft AGL

Forecast period 2 · temporary conditions

Validity
Aug 29, 2026, 12:00 PM (UTC) – Aug 29, 2026, 1:00 PM (UTC)
visibility
3 SM
weather
mist

Forecast period 3 · from this time

Validity
Aug 29, 2026, 4:00 PM (UTC) – Aug 30, 2026, 12:00 PM (UTC)
wind
160° · 8 kt
visibility
>6 SM
clouds
FEW · few clouds · 7,000 ft AGL SCT · scattered clouds · 25,000 ft AGL

Terminal forecast

FM
Aug 29, 2026, 4:00 PM (UTC)
160° · 8 kt
6+ mi · FEW 7000 · SCT 25000
TEMPO
Aug 29, 2026, 12:00 PM (UTC)
VRB° · kt
3 mi · BR
BASE
Aug 29, 2026, 12:00 PM (UTC)
VRB° · 3 kt
6+ mi · FEW 25000

Observation history

UTCCurrent conditionsTemperatureWindVisibility
Aug 29, 2026, 3:53 PM (UTC)VFR28.3°C6 kt10+ mi

Aviation weather FAQ for St Louis Downtown Airport

What live aviation weather is reported for St. Louis?

Airport pages for St. Louis bring together current observations, forecasts and operational airport details in one place.

What do METAR and TAF show?

METAR describes observed airport weather, while TAF describes the forecast conditions expected around an airport.

How can I find an airport in St. Louis?

Use the searchable directory above to open the relevant location or airport page, then follow its geographic breadcrumbs.

How current are the reports for St. Louis?

Each report shows its official observation, issue or validity time. Products update on different schedules, so compare that timestamp with the current time.

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Aviation weather notice

Data is provided for situational awareness only and may be delayed or incomplete. Do not use this page as the sole source for flight planning or safety decisions. Confirm all information with the responsible aviation authority and an approved briefing source.

Data source: NOAA/NWS Aviation Weather Center.

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