Latvian Hidrometeorological Agency

History and current state of LHMA. Publications. Current weather forecast.
http://www.meteo.lv/

AccuWeather.com - Latvia

5-day weather forecasts, maps, radar and satellite images for cities and towns across Latvia.
http://www.accuweather.com/adcbin/intlocal_index?reg=EU%3BEUROPE&cntry=EU%3BLV

Weather Underground: Latvia

Local current conditions, extended forecasts, and temperature reports.
http://www.wunderground.com/global/LV.html