KALN· ALN· Alton/St Louis
St Louis Regional Airport
medium airport · elevation 544 ft (166 m)
11:12Z 00:46Z Day
⏎
Current METARVFR
55 min ago·21:50ZKALN 242150Z 30004KT 10SM BKN080 23/15 A2978
Wind
300° 4 kt
Visibility
10 SM
Ceiling
8,000 ft
Temperature
23°C / 15°C
temp / dew
QNH
1008 hPa
29.78 inHg
Clouds
BKN 8,000ft
Weather
—
Station
KALN
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (0)
None active in area.
PIREPs (6)
- FL025CRJ91 h 55 m agoBKN 3800ft
- FL030LJ451 h 55 m agoICE NEG · OVC 3000ft–6000ft
- FL150CRJ92 h 5 m agoICE LGT
- FL155CRJ92 h 8 m agoICE LGT
- FL151P46T2 h 14 m agoICE TRC
- FL120P46T2 h 15 m agoICE TRC
Wind & Runways
Wind arrow points downwind.
Runways
11/292469 mASP
17/351981 mASP
Runway components
| Runway | Head/Tail | Crosswind |
|---|---|---|
| RWY 11/29 | TW 4 kt | XW 1 kt L |
| RWY 17/35 | TW 2 kt | XW 3 kt R |
38.8903°, -90.0460°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 11/29 (use 29) | Preferred | HW 4 | 1 R | — |
| RWY 17/35 (use 35) | Usable | HW 2 | 3 L | — |
Density altitude
1,775 ft
elevation 544 ft
ISA deviation
+9.1°C
Frequencies (community-maintained, cross-check AIP)KALN
- ATIS128.000
- CLDCLNC DEL120.200
- GND120.200
- TWRREGIONAL TWR126.000
- A/DAPP/DEP124.200
- AWOSAWOS 3128.000
- CTAF126.000
- RDO122.050
- UNICUNICOM122.950
Navaids near airportassoc. KALN
| Ident | Type | Freq | Power |
|---|---|---|---|
| AL | NDB | 218 kHz | LOW |
| CVM | NDB | 263 kHz | LOW |
| TOY | VORTAC | 116.00 MHz | MEDIUM |
Runways2
Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.
- RWY 11/298,099 ft (2,469 m)
- Surface
- ASP
- Lighting
- Lit
- ILS
- —
- RWY 17/356,500 ft (1,981 m)
- Surface
- ASP
- Lighting
- Lit
- ILS
- —
24-hour trend (Iowa State IEM)
No 24-h trend available — IEM archive.
24-hour wind rose (IEM ASOS, 16 direction bins)
24-hour wind rose unavailable (insufficient IEM data).
Airport diagram (OpenStreetMap)St Louis Regional Airport
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