bashrc for weather updates with wttr.in

.bashrc

# Add a function to get weather refreshed every ten minutes to terminal
# using wttr.in. Can be used as follows:
#  wttr Arlen    # Fictional town in Texas
#  wttr KSGF     # ICAO code for Springfield, Missouri
#  wttr          # Use a default location in code below
# 
# See wttr.in/:help for more details
wttr()
{
  tmpfile=$(mktemp /tmp/wttr.XXXXXX)
  while true; do
    curl wttr.in/"${1:-Sydney}" -s | head -n 7 > $tmpfile;
    clear;
    cat $tmpfile;
    sleep 600;
  done
}