Email and sms alerts are not activated in the demo version.
You may also get the weather for the next 48 h sending an sms with the name of the station.
For example: sms to number 0056nnnnnnnnn with text "Frontera" (without quotation marks).
From Chile: 0056nnnnnnnnn
From Canada: 001nnnnnnnnnn
Convert degrees, minutes and seconds into decimal degrees
(west and south are negative).