Hi @cheryncp,
Welcome to the Roku Community!
We understand that you're having trouble with The Weather Channel. We certainly want to help you with this. We recommend performing the steps below to resolve the issue.
1. Remove the channel by highlighting the channel and pressing the star (*) button.
2. Restart the Roku device from Settings > System > System Restart.
3. Install the channel again.
For more troubleshooting steps with any channel playback issue, follow our Support link: How to resolve a channel playback issue | Official Roku Support
All the best,
Kash
Takashi O.
Roku Community Moderator