Accuweather doesn’t support the ‘cache buster’ parameter that gets added to the URL if you have the Media item set to auto refresh. Some people work around this by refreshing the whole page periodically, but I’d recommend just finding a different weather source that works with the auto refresh. 
The following thread has links to some good weather image sources:
For example, NOAA has some really cool radar GIFs:
Weather Underground also has some nice GIFS:
- Weather Radar | Weather Underground
- Check the original thread for some steps on how to access local metro / regional area weather animations. It’s not the most intuitive, but it’s pretty easy:
For example, the following GIF seems to roughly match the region you linked to:
https://icons.wxug.com/data/weather-maps/radar/united-states/springfield-illinois-region-current-radar-animation.gif