http://www.weather.gov/
this link is useful for day to day weather updates. It also give a detailed description as well as an accurate weather prediction for the future days
http://www.noaa.gov/wx.html
NOAA is great for the countless types of weather maps used to show weather patterns, precipitation etc. \
http://www.wunderground.com/US/WI/Eau_Claire.html
Eau Claire's weather website, great for current conditions on a local scale.