The Lucerne 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.
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77° on Nov. 15, 1941, the hottest reading for this week of the year since 1899. Next is 74° in 1999.
Lucerne’s center stands about 4,310 ft above sea level. Within three miles the land runs from 4,240 ft to 4,610 ft, a difference of 370 ft: rolling country. The highest named summit within 15 miles is Nostrum Mountain, about 6,840 ft, 15 miles south-southwest.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 12×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, siltstone. Age: Late Cretaceous, 78 to 83 million years old. About 5 mi of the line.
Shale. Age: Early Cretaceous, 100 to 145 million years old. About 4 mi of the line.
Sandstone, shale. Age: Late Cretaceous, 66 to 100 million years old. About 3 mi of the line.
Shale, sandstone. Age: Late Cretaceous, 66 to 100 million years old. About 3 mi of the line.
Sandstone, claystone, shale. Age: Middle Jurassic to Early Cretaceous, 100 to 175 million years old. About 3 mi of the line.
Sandstone, shale. Age: Late Cretaceous, 66 to 100 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 4 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 Lucerne reaches the Gulf of America by way of Owl Creek, the Bighorn, the Yellowstone, the Missouri and the Mississippi: about 3,300 river miles.
Lakes on the way: Lake Oahe, Lake Sakakawea, Lake Sharpe and Lake Francis Case.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lucerne; river miles along the main stem, rounded.
Lucerne has a cold semi-arid climate. Summer afternoons average 92° in July; winter nights fall to about 12° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 12 inches of water.
On November 14 Lucerne normally reaches 49° and falls to 22°. The record high is 71°, in 1999; the record low −14°, in 1959. The most rain on this date, 0.84 in, fell in 1991.
Normals 1991–2020 and records since 1899 at Thermopolis, 6 miles south-southwest. NOAA, through RCC-ACIS.
