Regional weather discussion.. A moist...tropical air mass will remain over the region today...with widespread cloud cover. This morning...rain and a few thunderstorms were affecting the northern one third of Oklahoma. A deep trough axis...from the surface up through the mid levels...extended from the Texas and Oklahoma panhandles into central Kansas. Rain which formed ahead of this feature overnight...had pushed an outflow boundary well into Oklahoma...extending from Elk City to Chickasha...Ada...and McAlester... More