Confirm your station ID is
correct. The station ID is all
caps, and the most common
issue is substituting a capital
letter O for a 0 (zero) or vice
versa. Please note the digit 0
can only occur in the last part
of the station ID (which is a
station number in a city).
Example, KAZPHOEN11,
not KAZPH0EN11
Confirm that your password
(also called: key) is correct. It
is the password
wunderground.com generated
for your station ID. You can
also verify it by logging in to
wunderground.com and
looking it up under “My
Profile-My Devices.”
If there's a number "1" on the