Dennis, South Dakota
Dennis: Located in southwestern South Dakota's Fall River County at an elevation of 3,563 feet, this rural community sits within the High Plains region near the Nebraska border.
About
Dennis is a city located in the county of Fall River in the U.S. state of South Dakota.
Quick Facts about Dennis
| State | South Dakota (United States) |
| County | Fall River County |
| Latitude & Longitude | 43.2614,-103.8669 |
| Time Zone | America/Denver |
| Local time | 19:29:19 (6th November 2026) |
| Weather | 33℉ Partly Cloudy 7-days weather |
Geography
Dennis is located at 43°15'41"N 103°52'1"W (43.2613600, -103.8668700).
Dennis map
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Weather
33°F
Partly Cloudy
2 to 6 mph SW
Tonight
Partly cloudy, with a low around 33. Southwest wind 2 to 6 mph.
7-Day ForecastClosest post offices linked to Dennis.
| Post Office Name | City | ZIP |
|---|---|---|
| Edgemon Post Office | Edgemont (SD) | 57735 |
Other cities in Fall River County
Cities, towns, neighborhoods & other populated places in Fall River County , SD.
| City Name | Population | Title |
|---|---|---|
| Hot Springs | 3,502 | City in Fall River County, South Dakota, United States |