 Northwest Airlines Meteorology - http://www.nwa.com/weather Providing weather forecasting products for the aviation industry, including specialized turbulence and thunderstorm forecasts. |
 WSI - http://www.wsi.com/solutions/aviation/ Provides pre-flight and in-flight weather information. Aviation weather also available online through WSI Pilotbrief. |
 Data Transformation Corp DUAT - http://www.duat.com FAA's Direct User Access Terminal service provides free aviation weather and flight planning for certified pilots in the US. |
 Winds and Temperatures Aloft - http://www.usairnet.com/cgi-bin/Winds/Aloft.cgi 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. |
 BalloonCast - http://www.blastvalve.com/weather/ 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. |
 Ace's Pilot Shop Weather Data - http://www.acespilotshop.com/wx2.htm Aviation weather and flight planning, including forecasts, observations, weather maps, DUATS briefings, icing, and turbulence. |
 Upper Midwest Aviation Weather - http://cloud7.org/um_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. |
 Enflight - http://www.enflight.com/ 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.) |
 Base Ops - http://www.baseops.de/ Aviation Weather for Flight Preparation with TAF Metar Sigmet Radar and Sat-pictures. |
 Turbulence Forecast - http://www.turbulenceforecast.com Turbulence forecast maps for around the world. |
 Flying in Europe - http://www.flyingineurope.be Weather information for flying in Europe, including all airport notams, calculations, country information, airport webcams, FBO database, and all aviation abbreviations. |
 SA Weather Service - Aviation - http://aviation.weathersa.co.za Provides weather services for the aviation industry in Southern Africa. Includes metars, sigmet charts and forecasts. |
 Meteo Mobile - http://www.aviador.es/ Metar, Taf, satellite images, airport maps and nearby POI's delivered via mobile phone. |
 WXSYS On Demand - http://www.wxsys.com Aviation weather for mobile devices including BlackBerry, iPhone, and Windows Mobile. |
 METAR and TAF Archive - http://www.navlost.eu/aero/metar Archive of current and historical METAR and TAF reports for airports worldwide. |
 Pilot Weather Briefing - http://www.pilotweatherbriefing.com Free weather information for pilots, including surface conditions, upper level winds, turbulence, icing, thunderstorms, TAFs and Metars, radar and satellite images. |
 Airwx Mobile - http://m.airwx.com Get METARs, TAFs, PIREPs, and weather charts on your mobile phone (and iPhone). |
 Pilot's Guide to Aviation Weather Services - http://www.nws.noaa.gov/om/brochures/pilot.htm An online brochure to help pilots use the "National Aviation Weather System." |
 Aviation Weather Center - http://aviationweather.noaa.gov/ The National Weather Service's aviation weather site with official forecast products as well as experimental products. |
 Aviation Weather - http://maps.avnwx.com Displays live pilot reports, current and forecast weather (PIREPs, METARs, TAFs), temporary flight restrictions (TFRs) with optional radar overlays using Google maps. |
 Aviation Digital Data Service (ADDS) - http://adds.aviationweather.noaa.gov/ An aviation weather graphics site including icing, turbulence, and convection. Also includes a "Flight Path Tool" for pilots. |