KALN· ALN· Alton/St Louis
St Louis Regional Airport
medium airport · elevation 544 ft (166 m)
11:22Z 00:46Z Day
⏎
Current METARVFR
9 min ago·19:45ZKALN 231945Z 35010KT 10SM CLR 26/14 A3006
Wind
350° 10 kt
Visibility
10 SM
Ceiling
CLR
Temperature
26°C / 14°C
temp / dew
QNH
1018 hPa
30.06 inHg
Clouds
CLR
Weather
—
Station
KALN
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (0)
None active in area.
PIREPs (4)
- FL300A32016 min agoTURB LGT
- FL350A21N24 min agoTURB LGT-MOD
- FL320A32026 min agoTURB LGT
- FL290UAL178330 min agoTURB NEG
Wind & Runways
Wind arrow points downwind.
Runways
11/292469 mASP
17/351981 mASP
Runway components
| Runway | Head/Tail | Crosswind |
|---|---|---|
| RWY 11/29 | TW 6 kt | XW 8 kt L |
| RWY 17/35 | TW 10 kt | XW 1 kt R |
38.8903°, -90.0460°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 17/35 (use 35) | Preferred | HW 10 | 1 L | — |
| RWY 11/29 (use 29) | Usable | HW 6 | 8 R | — |
Density altitude
1,865 ft
elevation 544 ft
ISA deviation
+12.1°C
large deviation
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)KALN
Wind6 kt
Vis16.1 km
Temp27°C
QNH1016 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=41
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)St Louis Regional Airport
Diagram unavailable for St Louis Regional Airport.
Nearby airports