KALN· ALN· Alton/St Louis
St Louis Regional Airport
medium airport · elevation 544 ft (166 m)
11:08Z 00:49Z Night
⏎
Current METARVFR
13 min ago·08:15ZKALN 270815Z AUTO 00000KT 5SM RA SCT050 BKN065 OVC090 17/15 A2987 RMK AO2 LTG DSNT SW P0006 T01650149
Wind
Calm
Visibility
5 SM
Ceiling
6,500 ft
Temperature
17°C / 15°C
temp / dew
QNH
1012 hPa
29.87 inHg
Clouds
SCT 5,000ft, BKN 6,500ft, OVC 9,000ft
Weather
RA
Station
KALN
Remarks
automated station with a precipitation discriminator LTG DSNT SW 6/100 of an inch of precipitation fell in the last hour hourly temperature of 16.5°C and dew point of 14.9°C
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (1)
- SIGMETCONVECTIVESEV27 07:55Z → 27 09:55ZSFC – 60,000 ft
PIREPs (1)
- FL330A21N20 min agoTURB LGT
Wind & Runways
Wind arrow points downwind.
Runways
11/292469 mASP
17/351981 mASP
38.8903°, -90.0460°© CARTOOpen in OSM →
Density altitude
947 ft
elevation 544 ft
ISA deviation
+3.1°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)KALN
Wind9 kt
Vis16.1 km
Temp23°C
QNH1010 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=42
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)St Louis Regional Airport
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