Heat advisory in St. Louis

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The National Weather Service has issued a heat advisory for St. Louis through Sunday at 7:00 p.m.  The heat index values are expected to be between 105° and 107°.  Here are the symptoms of heat-related illness you need to be aware of, if you will be spending a lot of time outdoors.

We have scattered thunderstorms right now.  Here's a link, if you want to check the weather.  It looks like more of this storm is still coming from the west this evening, and I hear rolling thunder right now.