KCPS TAF
Terminal aerodrome forecast for St Louis Downtown Airport (CPS · KCPS), Cahokia/St Louis, IL. Issued 6 Aug 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below.
All of St Louis Downtown Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2320Z
valid 0000Z to 0000ZTAF KCPS 062320Z 0700/0724 VRB05KT P6SM SCT020 BKN070 PROB30 0703/0709 5SM -TSRA BKN025CB FM071500 22005KT P6SM SCT025 BKN100
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 1500Z | Initial | Variable at 5 kt | 6+ SM | 7,000 ft BKN | Scattered at 2,000 ft AGL, Broken at 7,000 ft AGL | VFR |
| 0300Z to 0900Z | PROB | Calm | 5 SM | 2,500 ft BKN | Broken at 2,500 ft AGL | MVFR |
| 1500Z to 0000Z | FM | 220° at 5 kt | 6+ SM | 10,000 ft BKN | Scattered at 2,500 ft AGL, Broken at 10,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Frequently asked
What is the current TAF for KCPS?
The forecast issued 6 Aug 2026 2320Z for St Louis Downtown Airport reads: TAF KCPS 062320Z 0700/0724 VRB05KT P6SM SCT020 BKN070 PROB30 0703/0709 5SM -TSRA BKN025CB FM071500 22005KT P6SM SCT025 BKN100
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KCPS
Forecasts 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.