Ask three Utah County roofers what your snow load is and you may get three answers, because most quote the valley-floor number and forget that load rises sharply with elevation. Here is the data compiled in one place: each city's valley-floor elevation and ground snow load, with the authoritative source for the exact figure at your address.
Ground snow load by Utah County city
| City | City-center elevation (approx. ft) | Ground snow load (psf) | Primary storm exposure |
|---|---|---|---|
| Provo | ~4,550 | 31 | Provo Canyon wind |
| Orem | ~4,770 | ~30 | Utah Valley hail corridor |
| Spanish Fork | ~4,600 | ~30 | Strongest canyon outflow winds |
| Lindon | ~4,660 | ~30 | Valley cross-winds |
| Pleasant Grove | ~4,640 | ~30 (benches higher) | Timpanogos foothill snow |
| Springville | ~4,570 | ~30 | Spanish Fork Canyon wind |
| American Fork | ~4,610 | ~30 | Valley / foothill mix |
Ground snow load (Pg) figures are valley-floor values from the Utah building code's selected-cities table and the USU Utah Snow Load Study; Provo's 31 psf is the USU site value. Bench and foothill neighborhoods sit hundreds of feet higher and carry more — always confirm the exact figure for your address.
The key insight
Valley-floor Utah County cities all cluster near 30 psf. The real variation is vertical: the higher your neighborhood sits, the more load your roof must carry.
How the number is set
Utah's ground snow loads come from the Utah Snow Load Study at Utah State University (Bean, Maguire & Sun). The study produces 50-year ground snow loads with a 2% annual probability of exceedance, consistent with the ASCE 7 engineering standard, and never drops below a 21 psf floor. The building code's Table 1608.1.2(b) then lists selected cities with a paired reference elevation — valid only if your site is within 100 feet of that elevation. Above that, you use the USU tool or the local building official.
Why the benches change everything
The table's valley-floor numbers are only half the story. Pleasant Grove's homes climb toward the Timpanogos foothills; Provo's east bench rises well above University Avenue; Orem and Lindon have hillside pockets. Every few hundred feet of elevation adds load — so two homes in the same city, one on the valley floor and one on the bench, can have meaningfully different structural requirements.
This is exactly why a roof spec copied from a milder or lower market underperforms here, and why snow-load-rated fastening — not just the shingle — is what keeps a Utah County roof on through the winter.
Sources & methodology
- Ground snow loads & the Utah Snow Load Study — Utah State University.
- Selected-cities table (Utah Code Table 1608.1.2(b)) — Utah adopted building code (UpCodes).
- City elevations — municipal and topographic elevation records for each Utah County city.
Figures are for general information. Confirm the exact ground snow load for your address with the USU tool or your local building department before design.
What This Means for Your Utah County Roof
The practical version: if you're on the valley floor, your roof is built for roughly 30 psf; if you're on a bench or foothill, it's more — and either way, the fastening and structure behind the shingles are what actually carry it. At replacement time, that's the part worth getting right.
Not sure where your home falls? Estimate the basics with our free tools, then get a written, no-obligation inspection that accounts for your exact elevation and exposure.
Frequently Asked Questions
- What is the ground snow load in Provo, Utah?
- Provo's valley-floor ground snow load is about 31 psf (pounds per square foot) per the Utah State University Snow Load Study, and 30 psf under the Utah building code's selected-cities table. Both are valley-floor figures — the load rises on Provo's east bench and foothills, where the USU tool gives exact per-address values.
- Why do snow loads differ between Utah County cities?
- Snow load is driven primarily by elevation. Utah County's valley-floor cities all sit around 4,550–4,770 ft and carry a similar ~30 psf ground snow load, but their bench and foothill neighborhoods sit hundreds of feet higher and must be engineered for substantially more. That's why a snow-load figure has to be tied to the exact address, not just the city.
- How is the ground snow load figure calculated?
- Utah's values come from the Utah Snow Load Study (Utah State University), which produces 50-year ground snow loads with a 2% annual probability of exceedance, consistent with the ASCE 7 engineering standard, and never below a 21 psf floor. The building code's Table 1608.1.2(b) lists selected cities with a paired elevation.
- Does snow load affect my roof replacement?
- Yes. Your roof's structure and fastening must meet the local snow load. In Utah County that means snow-load-rated fastening patterns and, on some older or bench homes, a structural check at replacement time. Undersized fastening is the most common snow-related roofing failure in the county.