DM
Datamask Aviation
METAR · TAF · OPMET

Pre-flight briefing

Generated 2026-04-27 09:49Z · 1 airport
KALN×
KALN· ALN· US· elev 544 ft

St Louis Regional Airport

Alton/St Louis
VFR · wind 110/11G15 · vis 10 SM · QNH 1010 hPa
11:08Z 00:49Z Night
Hazards: 1 SIGMET · 0 PIREP within 100 km
  • SIGMET CONVECTIVE (SEV)
METAR · observed 2026/04/27 09:35
KALN 270935Z AUTO 11011G15KT 10SM SCT050 SCT065 SCT110 16/14 A2983 RMK AO2 LTG DSNT S AND SW P0007 T01600143
Wind110° 11 kt (gust 15 kt)
Visibility10 SM
CloudsSCT 5000 ft, SCT 6500 ft, SCT 11000 ft
Temp / Dew16 °C / 14 °C
QNH1010 hPa / 29.83 inHg
Remarksautomated station with a precipitation discriminator LTG DSNT S AND SW 7/100 of an inch of precipitation fell in the last hour hourly temperature of 16.0°C and dew point of 14.3°C
Issued (UTC)27 09:35Z
Density altitude 881 ft (ISA +2 °C)
Runway components
RunwayHead/TailCrosswind
RWY 11/29HW 11 ktXW 1 kt L
RWY 17/35HW 5 ktXW 10 kt L
TAF not published for this station.
Source: NOAA NWS tgftp · Datamask Aviation. For informational use only — not for flight planning. Consult an authorised aeronautical meteorological service before flight.