Glencross, South Dakota
Glencross: Located in Dewey County at an elevation of 2,152 feet, this small unincorporated community is situated within the boundaries of the Cheyenne River Indian Reservation.
About
Glencross is a city located in the county of Dewey in the U.S. state of South Dakota.
Quick Facts about Glencross
| State | South Dakota (United States) |
| County | Dewey County |
| Latitude & Longitude | 45.4483,-100.9213 |
| Time Zone | America/Denver |
| Local time | 19:23:19 (6th November 2026) |
| Postal code | 57630 |
| Weather | 26℉ Patchy Fog 7-days weather |
Geography
Glencross is located at 45°26'54"N 100°55'17"W (45.4483200, -100.9212500).
Glencross map
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Weather
26°F
Patchy Fog
8 mph SE
Tonight
Patchy fog after 9pm. Mostly cloudy. Low around 26, with temperatures rising to around 29 overnight. Southeast wind around 8 mph.
7-Day Forecast
Glencross zip code is 57630.
County name: Dewey, County
fips: 46041
Closest post offices linked to Glencross.
| Post Office Name | City | ZIP |
|---|---|---|
| Timber Lak Post Office | Timber Lake (SD) | 57656 |
Other cities in Dewey County
Cities, towns, neighborhoods & other populated places in Dewey County , SD.
| City Name | Population | Title |
|---|---|---|
| North Eagle Butte | 1,954 | Census designated place in Dewey County, South Dakota, United States |