Colorado Road Conditions – obtain up to date information about Colorado road conditions.
NOAA’s National Historical Daily Weather Map Collection – site provides access to historical daily weather maps from 1871 thru 2002. To see weather maps for 2003-present go to: http://www.hpc.ncep.noaa.gov/dailywxmap/index.html
Weather Channel – type in zip code or city name to obtain current and forecasted weather.
Weather Underground Historical Data – Choose a date and then switch to monthly, weekly, or custom views.
Weather Warehouse – presents historical monthly weather data. Dates of coverage vary by location being searched.
Western Regional Climate Center – contains information about current weather conditions as well as historical climate information, sunrise/sunset data, and links to educational information.