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.

METAR and TAF Archive - Archive of current and historical METAR and TAF reports for airports worldwide.

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.

Pilot's Guide to Aviation Weather Services - An online brochure to help pilots use the "National Aviation Weather System."

SA Weather Service - Aviation - Provides weather services for the aviation industry in Southern Africa. Includes metars, sigmet charts and forecasts.

Turbulence Forecast - Turbulence forecast maps for around the world.

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.