The Arkansaw 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.
Sunny
Mostly sunny; warmer
Partly cloudy
Partly cloudy
Partly cloudy
Partly cloudy
Showers likely
69° on Nov. 11, 2022, the hottest reading for this week of the year since 1903. Next is 69° in 2023.
Arkansaw’s center stands about 770 ft above sea level. Within three miles the land runs from 690 ft to 1,130 ft, a difference of 440 ft: hilly country. The highest named summit within 15 miles is Tuttle Hill, about 1,220 ft, 10 miles northwest.
Under the town center the state geologic map shows Cambrian, undivided (sandstone), from the Cambrian, 487 to 542 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 34×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 13 mi of the line.
Sandstone. Age: Cambrian, 487 to 542 million years old. About 11 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 Arkansaw reaches the Gulf of America by way of the Eau Galle, the Chippewa and the Mississippi: about 1,760 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Arkansaw; river miles along the main stem, rounded.
Arkansaw has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 4° in January. About 35 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1903 at Durand, 3 miles east-southeast. NOAA, through RCC-ACIS.
