Use our Idaho Ground Snow Loads (1986) map to easily determine the historical ground snow load (Ground and Roof Snow Loads for Idaho, University of Idaho) for any location in the State of Idaho. You can click on the map below to find the design ground snow load for that location. This methodology for obtaining ground snow loads for Idaho was published in 1986 by Dr. Ronald L. Sack and Azim Sheikh-Taheri (Dept. of Civil Engineering, University of Idaho). The 1986 snow load study and accompanying map have now been superseded by the more recent 2015 snow load study (Dept. of Civil Engineering, University of Idaho). The 2015 interactive map and report are currently the most accurate method for obtaining ground snow load values for the State of Idaho.

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+ denotes local exception   * Ground snow loads derived from Normalized Ground Snow Loads for Idaho, 1986. Local codes and ammendments may govern,verify with local building department or jurisdiction.

Use our Roof Snow Load Calculator to determine your design roof snow loads.
If you have any questions or concerns about specific ground snow loads within the State of Idaho please call us at 1-425-652-4188.