06/23 – Rob Knight’s “Humid” Tuesday Morning Forecast
An area of high pressure near the surface will move off the Southeast U.S. coast through this evening as an upper level disturbance moves into the upper Midwest and middle Mississippi River valley.
A weak associated cold front will slide into the area and stall. Clockwise flow around High pressure will continue to bring deep moisture into the area to help provide lift. This will keep rain potential in the 70% range or higher through at least Thursday.
Deep upper level trough will slowly progress through the Ohio and Tennessee valleys by Thursday as ridge builds over the central Plains. Ridge will slowly progress eastward by the end of the week with conditions returning to more typical 30 to 40 percent by Friday.
A ridge of high pressure will amplify and setup over the southeastern states by the weekend. This will bring drier and hotter conditions for Saturday and Sunday. Temperatures will climb into the low 90s with only slight chances of thunderstorms as a result.