Global surface temperature now:
http://www.osdpd.noaa.gov/PSB/IMAGES/nl_images/amsua_ts_asc.gif
Northern hemisphere weather now:
http://www.uni-koeln.de/math-nat-fak/geomet/meteo/winfos/arcisoTTPPWW.gif Look out for the colour scale below the diagram. It may be a bit untraditional, depending on the season.
http://www.uni-koeln.de/math-nat-fak/geomet/meteo/winfos/synNNWWarctis.gif
http://wxmaps.org/pix/hemi.00hr.html
Europe weather now:
http://www.meteo.uni-koeln.de/meteo.php?show=En_We_Wk
http://wxmaps.org/pix/euro.00hr.html There is a useful key to the maps shown at the bottom of this web page.