Napa Junction, South Dakota
Napa Junction: Situated in the southeastern region of South Dakota, this unincorporated community lies within Yankton County at an elevation of 1362 feet above sea level.
About
Napa Junction is a city located in the county of Yankton in the U.S. state of South Dakota.
Quick Facts about Napa Junction
| State | South Dakota (United States) |
| County | Yankton County |
| Latitude & Longitude | 42.9411,-97.4537 |
| Time Zone | America/Chicago |
| Local time | 04:32:48 (6th November 2026) |
| Weather | 32℉ Cloudy 7-days weather |
Geography
Napa Junction is located at 42°56'28"N 97°27'13"W (42.9411100, -97.4536700).
Napa Junction map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Weather
32°F
Cloudy
0 to 10 mph N
Tonight
Cloudy, with a low around 32. North wind 0 to 10 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Napa Junction, SD. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 219198 | Mount Marty College | Yankton (SD) | 57078-3724 |
Closest post offices linked to Napa Junction.
| Post Office Name | City | ZIP |
|---|---|---|
| Utica Post Office | Utica (SD) | 57067 |
Other cities in Yankton County
Cities, towns, neighborhoods & other populated places in Yankton County , SD.
| City Name | Population | Title |
|---|---|---|
| Yankton | 14,651 | County seat of Yankton County, South Dakota, United States |