St Charles County Regional Airport/Smartt Field (KSET) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for St Charles County Regional Airport/Smartt Field in St Charles, MO, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
St Charles County Regional Airport/Smartt Field (KSET) is a general aviation airport serving pilots in and around St Charles, MO at 437 ft. KSET reports its own METAR — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (09, 18, 27, 36) — longest 3,800 ft — are checked against the current wind in the crosswind table below. Automated weather is broadcast on 118.075. Track KSET in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture — flight category, wind, or ceiling past your selected minimums.
Wind from the northeast (040°) at 7 kt, visibility 10+ statute miles, no cloud data, temperature 27°C (80°F), altimeter 29.85 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSET 290154Z AUTO 04007KT 10SM CLR 27/21 A2985 RMK AO2 SLP100 T02670211
What changed at KSET?
Since the 0054Z (7:54 PM CDT) report — compared automatically against the latest METAR.
- Pressure rising: altimeter 29.83 → 29.85 inHg.
This is exactly what ATIS Alerts watches for you — get a Telegram message when KSET's weather changes, free →
Current pilot readout for KSET
KSET is currently VFR with winds from 040° at 7 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 09, about 5 knots. Density altitude is approximately 2,050 ft (field elevation 437 ft). KSET does not publish a TAF — the nearest TAF station is KSTL, about 11 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Stop refreshing aviation weather manually. Track KSET in ATIS Alerts and get notified when a new METAR changes the picture — a category drop, or wind and ceiling moving toward your minimums.
Track KSET free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KSET. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 36FAV | 3,800 ft | ASP | 5 kt head | 4 kt right |
| 09 | 2,000 ft | ASP | 4 kt head | 5 kt left |
| 27 | 2,000 ft | ASP | 4 kt tail | 5 kt right |
| 18 | 3,800 ft | ASP | 5 kt tail | 4 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→7 kt, ceiling unlimited → unlimited.
KSET weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around St Charles County Regional Airport/Smartt Field in St Charles, MO: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KSET is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KSET
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
FYG UA /OV FTZ166015 /TM 2223 /FL025 /TP P28A /SK OVC030 /WX FV10SM /TB NEG
FYG UAHeader — reporting station and UA: a routine pilot report.OV FTZ166015Location — fix or navaid, optionally with a radial and distance in NM.TM 2223Reported at 22:23 UTC.FL025Altitude: 2,500 ft MSL.TP P28AAircraft type reporting.SK OVC030Sky condition — cloud bases and tops in hundreds of feet MSL.WX FV10SMWeather and flight visibility observed.TB NEGTurbulence: none reported.Show raw report
CMI UA /OV DEC/TM 2025/FL025/TP C700/SK OVC025 TOP027/RM DURC
CMI UAHeader — reporting station and UA: a routine pilot report.OV DECLocation — fix or navaid, optionally with a radial and distance in NM.TM 2025Reported at 20:25 UTC.FL025Altitude: 2,500 ft MSL.TP C700Aircraft type reporting.SK OVC025 TOP027Sky condition — cloud bases and tops in hundreds of feet MSL.RM DURCRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at KSET
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KSET reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 4,700 ft. Wind most often came from the NW.
Most recent change: MVFR → VFR
- 36
- 34%
- 18
- 22%
- 09
- 22%
- 27
- 22%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- ICAO
- KSET
- FAA LID
- SET
- City
- St Charles
- State
- Missouri
- Country
- United States
- Elevation
- 437 ft
- Coordinates
- 38.9297, -90.4300
- Runways
- 4
- Longest runway
- 3,800 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KSTL
- AWOS/ASOS
- 118.075 MHz
- CTAF
- 122.7 MHz
- Time zone
- America/Chicago
- Next sunset
- 23h 9m
Run a flight school, FBO, or club here? Embed KSET's live status on your website — free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
10 airports+4 more within 25 NM
25–50 NM
6 airports50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Phantom Flyers RC Club 1 — Saint Charles, MO · 6 mi
- Mississippi Valley Soaring Association - Emerald View Farm — O'Fallon, MO · 15 mi
- Mississippi Valley Soaring Association - Foley — Foley, MO · 18 mi
Historical Flying Weather
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KSET reported VFR conditions during about 82.1% of valid daylight observations, with an estimated 274 VFR flying days a year. June had the most VFR weather; December had the most instrument conditions. Surface winds averaged 6.7 kt, calm 15.2% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 67.9 | 20.9 | 7.4 | 3.9 |
| Feb | 74.1 | 17.1 | 6.6 | 2.2 |
| Mar | 77.6 | 16.6 | 4.2 | 1.6 |
| Apr | 85.3 | 11.1 | 3.0 | 0.7 |
| May | 86.2 | 10.2 | 2.7 | 0.9 |
| Jun | 91.6 | 6.0 | 1.8 | 0.6 |
| Jul | 90.0 | 6.8 | 2.2 | 1.1 |
| Aug | 88.1 | 7.9 | 2.4 | 1.5 |
| Sep | 84.2 | 9.4 | 3.4 | 3.1 |
| Oct | 81.3 | 12.1 | 4.3 | 2.3 |
| Nov | 77.8 | 14.5 | 4.8 | 2.9 |
| Dec | 65.9 | 23.8 | 6.9 | 3.4 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 7.7 kt |
| Feb | 7.9 kt |
| Mar | 8.5 kt |
| Apr | 8.7 kt |
| May | 7.0 kt |
| Jun | 5.9 kt |
| Jul | 4.5 kt |
| Aug | 4.3 kt |
| Sep | 4.8 kt |
| Oct | 6.5 kt |
| Nov | 7.2 kt |
| Dec | 7.4 kt |
Historical summary of past observations — not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KSET weather — frequently asked
What runways are available at KSET?+
KSET has 4 runways — 09, 18, 27, 36; the longest is 3,800 ft. This page computes the live crosswind for each runway end from the current wind.
Does KSET report its own weather?+
Yes — St Charles County Regional Airport/Smartt Field has its own weather station and publishes METAR observations, which this page decodes live.
Does KSET have a TAF?+
No — KSET does not publish its own TAF. The nearest TAF station is KSTL, about 11 nm away.
Does KSET broadcast D-ATIS?+
No — KSET does not broadcast D-ATIS. Alerts for KSET from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Pilot PIREPs for St Charles County Regional Airport/Smartt Field (KSET)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for St Charles County Regional Airport/Smartt Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KSET yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
Why pilots use ATIS Alerts
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- Get pinged the moment KSET drops below VFR or a new report moves your numbers.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport — showing METAR.
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