Find the nearest point to you on the map. Keep clicking until you see blue tags and a link saying View sighting opportunities. Click it and a schedule will appear.

Schedule will state the time, direction to look and degree. The appears heading tells you direction and degree to look for.

Face the starting direction. The horizon is zero degrees, directly over your head is 90 degrees. Use the viewing chart to see where the space station will be in the sky.

I did this last night and it was pretty cool. Saw a brightly lit object about as big as a planet and it was moving fast


https://spotthestation.nasa.gov/home.cfm