The Pacific Junction 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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83° on Nov. 13, 1999, the hottest reading for this week of the year since 1871. Next is 76° in 1964.
Pacific Junction’s center stands about 960 ft above sea level. Within three miles the land runs from 940 ft to 1,210 ft, a difference of 270 ft: rolling country. The highest named summit within 15 miles is King Hill, about 1,190 ft, 8 miles south-southwest.
Under the town center the state geologic map shows Douglas Group (shale, mudstone), from the Late Pennsylvanian, 299 to 307 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 49×. 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, mudstone. Age: Late Pennsylvanian, 299 to 307 million years old. About 14 mi of the line.
Sandstone, shale. Age: Early Cretaceous to Late Cretaceous, 94 to 113 million years old. About 4 mi of the line.
Limestone, shale. Age: Late Pennsylvanian, 299 to 307 million years old. About 3 mi of the line.
Limestone, shale. Age: Late Pennsylvanian, 299 to 307 million years old. About 2 mi of the line.
Limestone, shale. Age: Late Pennsylvanian, 299 to 307 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.
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 Pacific Junction reaches the Gulf of America by way of Keg Creek, the Missouri and the Mississippi: about 1,750 river miles.
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 Pacific Junction; river miles along the main stem, rounded.
Pacific Junction has a hot-summer humid continental climate. Summer afternoons average 88° in July; winter nights fall to about 15° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 32 inches of water.
On November 14 Pacific Junction normally reaches 51° and falls to 31°. The record high is 76°, in 2025; the record low −3°, in 1940. The most rain on this date, 0.91 in, fell in 1926.
Normals 1991–2020 and records since 1871 from the Omaha Area threaded record (Omaha Eppley Airfield, 21 miles north-northwest). NOAA, through RCC-ACIS.
