AccuWeather.com - Offers 5-day, 10-day, 15-day, and extended weather forecasts. Plus weather maps, live doppler radar, and historical weather data. - http://wwwa.accuweather.com/index-forecast.asp?zipcode=85701
WxUSA WeatherHub - Local forecasts, radar, and historical data. - http://www.wxusa.com/AZ/Tucson/
The Weather Channel - Includes current local conditions, 10-day forecast, satellite maps, and information on how weather affects health. - http://www.weather.com/weather/local/USAZ0247