The Randolph 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
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Partly cloudy; cooler
Chance of showers
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66° on Nov. 16, 2016, the hottest reading for this week of the year since 1893. Next is 66° in 2021.
Randolph’s center stands about 6,290 ft above sea level. Within three miles the land runs from 6,240 ft to 6,700 ft, a difference of 460 ft: hilly country. The highest named summit within 15 miles is Red Spur Mountain, about 8,860 ft, 12 miles west-southwest.
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 12 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 9×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Conglomerate, mixed-clastic. Age: Late Cretaceous to Early Eocene, 48 to 100 million years old. About 9 mi of the line.
Unconsolidated. Age: Quaternary, less than 2.6 million years old. About 4 mi of the line.
Sandstone, mudstone, siltstone. Age: Early Cretaceous, 100 to 145 million years old. About 3 mi of the line.
Coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 3 mi of the line.
Sandstone, siltstone. Age: Eocene, 34 to 56 million years old. About 1 mi of the line.
Limestone. Age: Early Mississippian, 347 to 359 million years old. About 0.8 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 6 smaller units along the line are not listed.
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 Randolph reaches Great Salt Lake by way of the Bear River: about 370 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 Randolph; river miles along the main stem, rounded.
Randolph has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 4° in January. A normal year brings about 71 inches of snow; with the rain, that comes to about 14 inches of water.
On November 14 Randolph normally reaches 43° and falls to 16°. The record high is 64°, in 2025; the record low 0°, in 2000. The most rain on this date, 0.43 in, fell in 2006.
Normals 1991–2020 and records since 1893 at Randolph, here. NOAA, through RCC-ACIS.
