Umbrella Today is a dead simple single serving site that delivers your weather forecast with a twist. Enter your zip code and it tells you if you need an umbrella#38212;if it's raining of course. Give the service your phone number, and they'll SMS you whenever the forecast calls for rain.

1. Enter your zip code.
2. The confirmation screen tells you if you need an umbrella today. Enter your phone number to get SMS notifications.
3. Enter the confirmation code sent to your phone via SMS.
4. Confirmation tells you're ready to accept the alerts, and gives you options to unsubscribe.