The Lantry 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
Sunny; warmer
Mostly sunny
Partly cloudy
Partly cloudy; cooler
Partly cloudy
Chance of showers
76° on Nov. 16, 1999, the hottest reading for this week of the year since 1963. Next is 75° in 1990.
Lantry’s center stands about 2,380 ft above sea level. Within three miles the land runs from 2,260 ft to 2,440 ft, a difference of 180 ft: gently rolling country.
Under the town center the state geologic map shows Fox Hills Sandstone (sandstone, siltstone), from the Late Cretaceous, 66 to 100 million years old.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 39×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, siltstone. Age: Late Cretaceous, 66 to 100 million years old. About 19 mi of the line.
Coarse-detrital, fine-detrital. Age: Quaternary, less than 2.6 million years old. About 4 mi of the line.
Shale, bentonite. Age: Late Cretaceous, 66 to 100 million years old. About 1 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 Lantry reaches the Gulf of America by way of Little Bear Creek, Bear Creek, the Moreau, the Missouri and the Mississippi: about 2,480 river miles.
Lakes on the way: Lake Oahe, Lake Sharpe, Lake Francis Case and Lewis and Clark Lake.
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 Lantry; river miles along the main stem, rounded.
Lantry has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 9° in January. A normal year brings about 47 inches of snow; with the rain, that comes to about 19 inches of water.
On November 14 Lantry normally reaches 45° and falls to 23°. The record high is 72°, in 1990; the record low −5°, in 1976. The most rain on this date, 0.35 in, fell in 1985.
Normals 1991–2020 and records since 1963 at Dupree 15 SSE, 11 miles south, 280 ft lower. NOAA, through RCC-ACIS.
