Labor Day has always represented the titular end to the summer season, but it looks like summer weather is not only going to hold on for a while, but is going to strengthen to above mid-summer form, and could even break a couple of records before the week is over. A ridge of high pressure will strengthen as the week progresses keeping our skies clear, our winds light and our high temperatures well into the 90s. All this is good news for the Great Reno Balloon Race launching Friday through the weekend. A Tuesday high in the low 90s will rise to the upper 90s (and could set records) by Friday and Saturday.

As many of you know, viewers send me all kinds of pictures from the region when interesting weather occurs. Rainbows are a favorite, and I get several in my in-box whenever thunderstorms occur. But what causes the continuous arc of color in a rainbow? The optics of a rainbow is very simple on the one hand, but get very complicated when it comes to putting it all together. Tomorrow, be ready to bend your mind a bit.