Aviation Digital Data Service (ADDS)*Cool Site* - An aviation weather graphics site including icing, turbulence, and convection. Also includes a "Flight Path Tool" for pilots.
Ace's Pilot Shop Weather Data - Aviation weather and flight planning, including forecasts, observations, weather maps, DUATS briefings, icing, and turbulence.
Airwx Mobile - Get METARs, TAFs, PIREPs, and weather charts on your mobile phone (and iPhone).
Aviation Weather - Displays live pilot reports, current and forecast weather (PIREPs, METARs, TAFs), temporary flight restrictions (TFRs) with optional radar overlays using Google maps.
Aviation Weather Center - The National Weather Service's aviation weather site with official forecast products as well as experimental products.
BalloonCast - Customized weather for balloon pilots. METARs, TAFs, winds aloft, sunrise/set for multiple stations compared side by side, all codes translated to English and times converted to local.
Base Ops - Aviation Weather for Flight Preparation with TAF Metar Sigmet Radar and Sat-pictures.
Data Transformation Corp DUAT - FAA's Direct User Access Terminal service provides free aviation weather and flight planning for certified pilots in the US.
Enflight - Obtain plain-language weather briefings using exclusive WXpert translation. View up-to-date weather graphics. Helps prepare and file flight plans. Available both on the Web and on mobile PDAs (Palm i705, etc.)
Flying in Europe - Weather information for flying in Europe, including all airport notams, calculations, country information, airport webcams, FBO database, and all aviation abbreviations.
Meteo Mobile - Metar, Taf, satellite images, airport maps and nearby POI's delivered via mobile phone.
Northwest Airlines Meteorology - Providing weather forecasting products for the aviation industry, including specialized turbulence and thunderstorm forecasts.
Pilot Weather Briefing - Free weather information for pilots, including surface conditions, upper level winds, turbulence, icing, thunderstorms, TAFs and Metars, radar and satellite images.
Upper Midwest Aviation Weather - Central reference for aviation weather resources, focusing on current and forecast conditions in the upper midwest region of the US, including Minnesota, Wisconsin, South Dakota, North Dakota, and Iowa.
Winds and Temperatures Aloft - By selecting one of over 160 continental cities in the U.S.A. or one of 30 cities in Alaska, you can obtain wind direction, speed, and temperature forecasts.
WSI - Provides pre-flight and in-flight weather information. Aviation weather also available online through WSI Pilotbrief.
WXSYS On Demand - Aviation weather for mobile devices including BlackBerry, iPhone, and Windows Mobile.
