Snow is not uncommon, especially at higher altitudes, until early July. You may also encounter sleet, hail, freezing temperatures and high winds. The relative humidity generally ranges from 20-30 percent. There is no area east of the Continental divide which is devoid of wind. As a general rule of thumb, the wind usually picks up in the afternoons.
Gusts can be significant especially in springtime.
Road Conditions - There are always some maintenance and construction projects during the bicycle touring season. Please use extra caution and keep safety in mind when travelling in these areas.