Grindstone, South Dakota
Grindstone: Situated at an elevation of 2470 feet in Haakon County, this rural settlement lies within the vast mixed-grass prairie of western South Dakota.
About
Grindstone is a city located in the county of Haakon in the U.S. state of South Dakota.
Quick Facts about Grindstone
| State | South Dakota (United States) |
| County | Haakon County |
| Latitude & Longitude | 44.1392,-101.9674 |
| Time Zone | America/Denver |
| Local time | 16:38:56 (7th November 2026) |
| Weather | 66℉ Mostly Cloudy 7-days weather |
Geography
Grindstone is located at 44°8'21"N 101°58'3"W (44.1391500, -101.9673700).
Grindstone map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Weather
66°F
Mostly Cloudy
10 to 14 mph W
Today
Mostly cloudy. High near 66, with temperatures falling to around 58 in the afternoon. West wind 10 to 14 mph, with gusts as high as 26 mph.
7-Day ForecastClosest post offices linked to Grindstone.
| Post Office Name | City | ZIP |
|---|---|---|
| Quinn Post Office | Quinn (SD) | 57775 |
| Phil Post Office | Philip (SD) | 57567 |
| Wall Post Office | Wall (SD) | 57790 |
| Wasta Post Office | Wasta (SD) | 57791 |
| Kadoka Post Office | Kadoka (SD) | 57543 |