Corn rootworm hatch risks are predicted to continue to spread to the north as accumulated soil temperature heat unit measurements reach or exceed initial hatch thresholds. This process may have been accelerated with recent very warm to hot temperatures and generally only small or no precipitation amounts in some areas. High risks are predicted from Kansas and Missouri north and northeastward into central and eastern Nebraska, eastern South Dakota, southern Minnesota, Iowa, Illinois, southern Wisconsin, much of Indiana, Ohio, and southern lower Michigan at the start of the week. By later in the week and next weekend, additional hatches will be possible across western Kansas, southeast and east central Colorado, northeast South Dakota, additional areas of southern/central Minnesota east into central Wisconsin, central and eastern lower Michigan, and as far east as southern Ontario, Canada. Growers are encouraged to begin or continue scouting programs in or near the risk area by digging up roots (both in corn and soybean fields) and determining if larvae populations are present.