Weather forecast in dvt graph

Hi!!
I am using jdeveloper 11.1.1.5
I need to show the weather forecast information in dvt graph which should be updatable.
Could any one pls help me!!

Sorry jhon!!
+Where do you get the weather forecast from?+I need to get the weather forecast from any sites.,
For Eg: Many websites like yahoo!! tey are giving an updatable weather forecast similar to that
To be more clear.
While we are using Geographical map we are giving some location URL so that the map renders
+How do you want to display the forecast?+I need to display the weather forecast in dvt: Graph [Line]
If there is any better UI Components other than graph. please provide it also
+You want the weather forecast to be up-datable? What do you mean by that - the user updates the weather forecast?+No User will update the weather forecast
Hope i am clear.,
To be more clear., If there any solution on how to access the weather forecast pls provide me.,

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