Let's begin with the rain that has already fallen. Below is the map of rain during the 24-hours ending at 7am CDT this morning.
Next, is a map of the rainfall the the seven days ending at 7am. Note the change in color scale. This represents the rainfall since the change in the weather pattern.
Here is the AccuWeather regional radar from 9am this morning:
Beyond seven days? Forecasts are not particularly good at that range but, from what I can tell, the weather pattern will stay favorable for periodic rains as opposed to the drought pattern the Great Plains have been in since December.