Check out the current and 10 day
Weather for Ski Lookout Pass
and see the
Webcams for Ski Lookout Pass and
Webcams for I-90 at the Idaho - Montana line Exit 0!
Weather for Avery, Idaho which is 9 miles below Pearson. ID, which is the bottom of the trail.
These links will give you a good sense of the weather you will encounter out along the Route of the Hiawatha Scenic Bike Trail.