A frontal boundary is stalled out across the Midwest and Central Plains, leading to a multi-day flood threat. Cities like Chicago need to be prepared.

We have the maps you need to monitor the tropics, including tracks, current weather and other areas to watch.

El Niño shifts the storm track toward Texas, while a warm Gulf and saturated soil sustain moisture, keeping heavy rain and flash flooding a real fall threat.

Vanderbilt and the Titans face extreme heat in Nashville this weekend, while storms threaten NFL and NCAA games elsewhere.

If you usually escape winter weather where you live, or can't wait to hit the slopes, a record-strong El Niño could make your trip a little different this year.