Here's a pretty good link to the realclearpolitics senate page, with the polls / predictions.

https://www.realclearpolitics.com/epolls/2018/senate/2018_elections_senate_map.html

this is a pretty good link to new york times interactive senate map. I'm not watching tv news, so, these 2 links will let you see how things are going compared to predicted, at least in the senate

https://www.nytimes.com/interactive/2018/11/06/us/elections/results-senate-elections.html