Severe thunderstorm watch Mark Brooky • Jul 21, 2015 at 11:04 AM mbrooky@grandhaventribune.com The National Weather Service has issued a severe thunderstorm watch through 8 p.m. Saturday for much of the southern half of the Lower Peninsula, including Ottawa County.For up-to-the-minute weather information, visitwww.wzzm13.com/weather. Recommended for You Please enable JavaScript to view the comments powered by Disqus.