• Sierra Nevada Weather Forecasts - http://www.wrh.noaa.gov/Hanford
  
  
• National Weather Forecasts - http://www.weather.com
  
  
• Yosemite Valley Live Camera - http://www.halfdomecam.com
  
  
• California Snow Surveys - http://cdec.water.ca.gov/snow/current/snow
  
  
• Yosemite National Park Information - http://www.nps.gov/yose
  
  
• Sierra Nevada Wilderness Permits - http://www.sierranevadawild.net/Sierra_Wilderness.htm