AWIS Weather Services 
Climate data and forecasts in standard and custom formats, Ag weather, freeze and frost forecasting for agriculture, energy weather, and web weather content.
http://www.awis.comRanch Weather
Drought Index Maps, 10 Day Temperature and Precipitation Forecasts. Designed for ranchers.
http://ranchweather.com
Agricultural Weather by Illiniweather.com
Specializing in links to the best Agriculture weather sites in the United States and the world.
http://illiniweather.com/pages/agriculture_weather.htm
Texas Panhandle WeatherNet
Offering local and global agricultural weather to the Texas Panhandle region and vicinity.
http://www.texaspanhandleplains.com/cgi-bin/weather/weather.cgi
World AgroMeteorological Information Service
A division of the United Nations World Meteorological Organization. Site features weather bulletins for a number of countries around the world.
http://www.wamis.org
Gabbinfutures Crop Weather
Real time weather and forecasts for Corn, Cotton, Soybeans, Spring Wheat and Winter Wheat. Grouped by state.
http://www.gabbinfutures.com/GFCropWeather.html
Agriculture.com
Forecasting by Freese-Notis Weather and features weather maps and stories about commodities by WeatherTrades and Allendale. Information and community topics worldwide.
http://www.agriculture.com/ag/weather/
Agriculture and Gardening Weather -- About.com
Find everything from crop summaries to growing degree days.
http://weather.about.com/od/agriculture/
Joint Agricultural Weather Facility
Weekly Weather And Crop Bulletin | Major World Crop Areas and Climatic Profiles
http://www.usda.gov/oce/weather/
Weekly Weather and Crop Bulletin- USA
Jointly prepared by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, and the U.S. Department of Agriculture.
http://www.usda.gov/oce/weather/pubs/Weekly/Wwcb/
