 The cool and dry Canadian high pressure system that followed Monday's cold front took temps down. More importantly, humidity levels down. And that high is pushing southeastward into the Corn Belt, the Great Lakes, and the northern Atlantic coast. Rain and thunderstorms continue their threatening ways, though. From the central and southern plains, Nebraska to the panhandle of Texas, eastward across the Gulf Coast states, rain and thunderstorms ahead of some major rains today.