How's the Weather?
Although weather "forecasting" sites ("expect partly cloudy and 10% chance of rain") are essentially useless, I've found that you can often do a better job yourself just reviewing some simple high-res cloudcover and radar maps, especially if you live in a world of microclimates like the San Francisco Bay Area. One of the classic internet weather sites (Intellicast) recently introduced a high-res, interactive weather map for the United States. Although the website doesn't seem to reveal where they get their raw data, this system looks very good. You can see recent, high resolution, data for anywhere in the US, and zooming and scrolling are very smooth. Unlike the popular NEXRAD data that many of the other sites boast, the new Intellicast maps don't look like a LeRoy Neiman painting.
By the way, the best hurricane geek site is still thestormtrack.com.