Jeff Axel NPS
A dry, sunny climate predominates at Lake Roosevelt in the summer months. As you go father north, it becomes cooler and wetter. In the summer temperatures range from 75 to 113 degrees F during the day, and from 50 to 80 degrees F at night. Spring and fall are cooler but still pleasant.The weather can be dramatically different from one end of the lake to the other.
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Did You Know?
The pretty violet flowers of this wild hyacinth grows at Lake Roosevelt. An important food source, its small but sweet onion bulb is still popular. Covered by a fibrous netting called a corm net, excavated and carbon dated corm nets established that people lived at Kettle Falls 9,500 years ago.