Utah Air Monitoring Center - Includes daily and historical air pollution reports, listings of monitoring stations and pollutants measured, and information about the effects of air pollution on health. Operated by the state Department of Environmental Quality. - http://www.airmonitoring.utah.gov/
Weather Center - Utah forecasts, satellite and radar maps, precipitation maps, and severe weather information. From the University of Utah Department of Meteorology. - http://www.met.utah.edu/wx/
Weathercentral.com, Utah Weather - Current conditions, seven day forecasts and area weather maps for cities statewide. - http://www.weathercentral.com/weather/us/states/UT/index.html
Utah Snow Survey - Current and historical snowpack, precipitation, and temperature data, water supply information, and reservoir data. From the USDA's Natural Resources Conservation Service. - http://www.ut.nrcs.usda.gov/snow/
Weather Underground: Utah - Table of current conditions at various locations in the state, with links to detailed local conditions and forecasts. - http://www.wunderground.com/cgi-bin/findweather/getForecast?query=utah
Utah Schools' Weather Network - Realtime conditions measured at stations in a network of primary and secondary schools. - http://www.pgjr.alpine.k12.ut.us/science/james/schoolswx.html
Utah Avalanche Center - Avalanche forecasting and historical data for Utah ski areas, hotline phone numbers, and general mountain weather. - http://www.avalanche.org/~uafc/
Utah Weather Data - Local and regional weather forecasts, hourly reports, severe weather watches and warnings, and aviation weather. From NOAA's Interactive Weather Information Network (IWIN). - http://iwin.nws.noaa.gov/iwin/ut/ut.html
WxUSA - Utah - Weather in major localities in the state. Pages include links to current conditions, forecasts, radar, maps, weather cams, kid's weather, and hurricane links for each city. - http://www.wxusa.com/UT/