The Lehi plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
Partly cloudy
Partly cloudy; warmer
Partly cloudy
Showers likely
Partly cloudy
Showers likely
Showers likely
70° on Nov. 12, 1967, the hottest reading for this week of the year since 1904. Next is 70° in 1973.
Lehi’s center stands about 4,570 ft above sea level. Within three miles the land runs from 4,480 ft to 4,830 ft, a difference of 350 ft: rolling country. The highest named summit within 15 miles is Mount Timpanogos, about 11,560 ft, 11 miles east.
Under the town center the state geologic map shows Alluvium and colluvium (unconsolidated), from the Quaternary, less than 2.6 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 3×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay. Age: Pleistocene, less than 2.6 million years old. About 8 mi of the line.
Unconsolidated. Age: Quaternary, less than 2.6 million years old. About 7 mi of the line.
Sandstone. Age: Carboniferous to Permian, 273 to 324 million years old. About 3 mi of the line.
Latite, quartz-latite. Age: Late Eocene to Oligocene, 23 to 38 million years old. About 3 mi of the line.
Limestone. Age: Early Mississippian to Late Mississippian, 324 to 359 million years old. About 3 mi of the line.
Coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 0.5 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Lehi reaches Great Salt Lake by way of the Jordan: about 45 river miles. Great Salt Lake has no outlet to the sea: the water leaves only by evaporating or soaking into the ground.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lehi; river miles along the main stem, rounded.
Lehi has a cold semi-arid climate. Summer afternoons average 92° in July; winter nights fall to about 19° in January. A normal year brings about 26 inches of snow; with the rain, that comes to about 13 inches of water.
On November 14 Lehi normally reaches 49° and falls to 27°. The record high is 67°, in 1967; the record low 3°, in 1956. The most rain on this date, 0.68 in, fell in 1987.
Normals 1991–2020 and records since 1904 at Utah Lake Lehi, 3 miles southwest. NOAA, through RCC-ACIS.
