noname wrote:

Is there a site for showing realtime

http://adds.aviationweather.noaa.gov/metars/

(click on the map region on the left there - delayed by the reporting
station's reporting interval)

and forcast graphical aviation

http://adds.aviationweather.noaa.gov/tafs/

(click on the map region on the left there)

conditions around the country?

This obviously is for the US.

--
Peter