Ralph, South Dakota

Ralph: Situated in the sparsely populated northwestern corner of South Dakota, this unincorporated community lies within Harding County at an elevation of 2736 feet.

About

Ralph is a city located in the county of Harding in the U.S. state of South Dakota.

Quick Facts about Ralph

State South Dakota (United States)
County Harding County
Latitude & Longitude 45.7767,-103.0660
Time Zone America/Denver
Local time 06:25:48 (6th November 2026)
Postal code 57650
Weather 27℉ Patchy Fog 7-days weather

Geography

Ralph is located at 45°46'36"N 103°3'58"W (45.7766700, -103.0660000).

Ralph map

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Weather

27°F
Patchy Fog
6 mph S Tonight

Patchy fog after 11pm. Partly cloudy. Low around 27, with temperatures rising to around 29 overnight. South wind around 6 mph.

7-Day Forecast
Ralph zip code is 57650. County name: Harding, County fips: 46063

Closest post offices linked to Ralph.

Post Office Name City ZIP
Reva Post Office Reva (SD) 57651
Reeder Post Office Reeder (ND) 58649
Hettinger Post Office Hettinger (ND) 58639
Scranton Post Office Scranton (ND) 58653
Buffal Post Office Buffalo (SD) 57720