 And now to the P.J. Fitzpatrick Home Improvement Weather Desk for your home's windows. Trust P.J. Fitzpatrick. Here's 70's First Alert Meteorologist Mark Pena. Mostly clear skies expected overnight and mild and muggy conditions as well as lows dip into the mid-70s. Now your Monday will feature a bit of a one-two punch. It'll be hot, highs near 100 degrees with heat index values closer to 110 and also a chance at some afternoon showers and storms, some of which could be strong to severe. I'm 70's Meteorologist Mark Pena in the First Alert Weather Center.