The lack of substantial forcing or shear aloft suggests that any cells that do manage to develop will probably not last particularly long, but may be deep enough to produce a few lightning strikes. Much of any rain will probably evaporate before reaching the ground, such is the depth of hot, dry air below. Highlighting specific areas with a higher risk of lightning is difficult given no obvious forcing mechanisms. However, as the flow at ~850mb backs and strengthens during the evening and night hours, increasing warm advection will encourage lift / istentropic upglide along two main zones of interest - one from east Wales across the north Midlands into northern England, and then another over the eastern English Channel into SE England. Consequently, there may be an uptick in rather scattered lightning activity over these areas during the overnight period, but confidence is not particularly high and it is still possible other random isolated cells could develop elsewhere too. A low-end SLGT has been issued to highlight the area most at risk (especially towards the eastern side), but another SLGT may be considered for SE England if confidence increases.