Moderate

ZIP Code 61059

Jo Daviess County, Illinois — Nora

30PSF (Ground Snow Load)
ModerateClassification

What This Means

Jo Daviess County, Illinois has a moderate ground snow load of 30 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.

Snow Load Details

ZIP Code61059
CountyJo Daviess
CityNora
StateIllinois (IL)
Ground Snow Load30 PSF — Moderate
Classification Range21 - 40 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 30 PSF

Roof Snow Load: 21 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Jo Daviess County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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Nearby ZIP Codes

61057 25 PSF Moderate 61058 25 PSF Moderate 61060 25 PSF Moderate 61061 25 PSF Moderate 61062 25 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 61059?

ZIP code 61059 is in Jo Daviess County, Illinois, with a ground snow load of 30 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 61059?

With a moderate ground snow load of 30 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 61059 in?

ZIP code 61059 is in Jo Daviess County, Illinois (IL).