Colorado Snowmobile Association (CSA):  CSA

Avalanche Education from the U.S. Forest Service: Avalanche Education

Felker Motorsports: Felker

Western United States and Alaska snowpack information:  SNOTEL

Colorado mountain weather observations from the Colorado Avalanche Information Center (CAIC): CAIC

Colorado Avalanche Forecasts: CAIC

Snowy Range, WY weather forecast from the National Weather Service: Snowy Range