I cooked one of the best briskets I've ever done around a month ago. Weather forecast seemed good, slight chance of rain. Got the brisket on around 4am and have it chugging along at 250ish. Around 7am I see lightning off in the distance and don't pay it too much attention, seemed like it was moving to the north and would miss us. Next thing I know all hell breaks loose, strong winds, torrential rain, firebox temp drops to 110 degrees and can't raise it no matter what. Wait out the storm for about 30 min and get the temp back up and then the winds kick back up and it's a constant battle to maintain any sort of even temp. It would spike to 325 and then down to 200. Finally just gave up, wrapped it and moved it to the oven around noon. Figured it was all a waste now and just wanted to be done with this one and move on. Then it got to 203 and I probed and it was smooth as butter and I instantly knew it was gonna be a good one. There's no rhyme or reason to brisket, you can do everything perfect and it turns out shitty or everything that can go wrong will and it turns out perfect