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Terminal Area Forecast – TAF 

Terminal Area Forecast (TAF) is a format for reporting weather forecast information, as it relates to aviation. Generally, TAFs apply to a 24 or 30-hour period, and an area within approximately five statute miles from the center of an airport runway complex. TAFs complement and use similar encoding to Meteorological Terminal Aviation Routine (METAR) reports. They are produced by a human forecaster based on the ground. For this reason, there are considerably fewer TAF locations than there are airports where METARs are available. TAFs can be more accurate than Numerical Weather Forecasts, since they take into account local, small-scale, and geographic effects. Click here for Terminal Area Forecast.

3-Day Summary

The raw data used in this forecast was obtained from the National Weather Service’s Global Forcast System Model Output Statistics (GFS MOS) Guidance and is not subject to copyright protection. The contents, including graphics and display format are under copyright by Air Sports Net. Click here for the 3-Day Summary.

St. Louis Weather

Click here to check the local weather for the metropolitan St. Louis area.

Automated Surface Observation Systems – ASOS

The Automated Surface Observing Systems (ASOS) program is a joint effort of the National Weather Service (NWS), the Federal Aviation Administration (FAA), and the Department of Defense (DOD). The ASOS systems serves as the nation’s primary surface weather observing network. ASOS is designed to support weather forecast activities and aviation operations and, at the same time, support the needs of the meteorological, hydrological, and climatological research communities. Click here for Automated Surface Observation Systems.