Windy Weather Website
https://www.windy.com/

Icelandinc Met office
Aviation weather | Icelandic Meteorological office (vedur.is)

ICAO Notams 
NOTAMS (icao.int)

Skyvector IFR PLANNING
SkyVector: Flight Planning / Aeronautical Charts

European Network Operations Portal
NOP Network Operations Portal (eurocontrol.int)