The summer solstice occurs tomorrow morning. The solstice occurs when the sun’s direct rays reach the Tropic of Cancer which is approximately 23.5 degrees north of the equator. Using I94 as a reference point which is near 47 degrees north latitude, at solar noon tomorrow, which will be well of 1 PM across much of Dakota, the Sun will be 66.5 degrees above the horizon. That is as high in the sky as the Sun will get all year. If you were in Miami, FL tomorrow. The sun would be 88 degrees above the horizon, or nearly directly overhead at solar noon there. If you were on the Tropic of Cancer, at solar noon, you would not cast a shadow with the sun directly overhead.