Grain-Valley is a small city located in Jackson County, Missouri. The climate in Grain-Valley is characterized by hot and humid summers and cold winters with occasional snow. The city is situated near the Little Blue River and is part of the Blue River watershed. The water quality in Grain-Valley is closely monitored to ensure it meets federal and state standards. There are several outdoor recreation opportunities available in Grain-Valley, including parks with playgrounds, picnic areas, and walking trails. Additionally, nearby Lake Jacomo offers fishing, boating, and hiking opportunities.