The warming trend continues across the US today as 90F temps are expected across the High Plains. That heat spreads east tomorrow and Friday yielding a summer-like weekend for much of the CONUS. Eventually, gulf moisture will mingle with this heat yielding instability and fuel for severe thunderstorm chances for the Plains next Sunday, Monday, and Tuesday. We continue to track the potential for a SW Trough & invigorated sub-tropical jet to arrive by late May. Recent models have shifted the best precip from this feature further south.