compact weather forecast in RSS?

I'm looking for a weather forecast in RSS which packs as much information into the subject line as possible.

By point of comparison, here are a few examples of things that could be better. The weather underground's feed looks like this:
Current Conditions - 49.8F / 9.9C | Partly Cloudy - 6:50 AM EDT Apr. 23
Today as of Apr. 23 3:45 AM EDT
which is OK for current information (albeit wordy) but useless for the forecast.

I'd like something between
48104: Today: Mostly cloudy through mid morning...then becoming partly sunny. An isolated light shower during the morning...then a chance of showers and thunderstorms through 6 PM. Highs 72 to 76. Light and variable winds...becoming north 5 to 15 mph. Chance of rain 30 percent.
and
48104: Isolated Thunderstorms. High: 76 Low: 46
all to fit in the 140 character Twitter format.

Comments

[Tim White]

While its not RSS, have you looked at text messages from the Weather Channel? If you text the area code to 42278 you get a nice forecast back. I just forwarded one to Twitter: https://twitter.com/tjameswhite

[Eby]

Wunder's rss seems like it used to be better. Another option might be hamweather. They have a "podcast" version which has the forecast in a single entry:

http://podcast.hamweather.net/zone/us/mi/ann%20arbor.xml

or as seperate:

http://rss.hamweather.net/zone/us/mi/ann+arbor.xml

The NWS probably has a couple pages that could be scraped as well depending on how much detail you want:

http://forecast.weather.gov/MapClick.php?CityName=Ann+Arbor&state=MI&site=DTX&textField1=42.2754&textField2=-83.7308&e=0&TextType=1

http://forecast.weather.gov/MapClick.php?CityName=Ann+Arbor&state=MI&site=DTX&textField1=42.2754&textField2=-83.7308&e=0&FcstType=digital