Soil Temperature in South Dakota
The current average 2-inch soil temperature across South Dakota is 53°F, based on 5 USDA and NOAA monitoring stations. Readings range from 46°F to 59°F. Last updated May 18, 2026.
Current Planting Conditions
The pre-emergent herbicide window is opening across South Dakota with soil averaging 53°F at 2 inches. Monitor your city's specific readings for optimal timing, since crabgrass germinates when soil sustains 55°F.
Monitoring Stations in South Dakota (5)
| Station | 2" Temp | Last Reading |
|---|---|---|
| Eros Data Center (Minnehaha) | 55°F | 2026-05-18 |
| Sioux Falls 14 NNE | 59°F | 2026-05-18 |
| Aberdeen 35 WNW | 46°F | 2026-05-18 |
| Buffalo 13 ESE | 53°F | 2026-05-18 |
| Pierre 24 S | 51°F | 2026-05-18 |
Cities in South Dakota (9)
| City | ZIP | Current Temp | Distance from state center |
|---|---|---|---|
| Aberdeen | 57401 | — | 111 mi |
| Brandon | 57005 | — | 190 mi |
| Brookings | 57006 | — | 170 mi |
| Chamberlain | 57325 | — | 64 mi |
| Huron | 57350 | — | 99 mi |
| Milbank | 57252 | — | 184 mi |
| Rapid City | 57701 | — | 149 mi |
| Sioux Falls | 57101 | — | 186 mi |
| Spearfish | 57783 | — | 179 mi |
Soil Temperature FAQ for South Dakota
What is the current soil temperature in South Dakota?
The current average 2-inch soil temperature across South Dakota is 53°F, based on 5 USDA and NOAA monitoring stations. Readings range from 46°F to 59°F depending on location and elevation.
When should I apply pre-emergent in South Dakota?
Apply pre-emergent herbicide when soil at 2 inches reaches 55°F for several consecutive days. Timing varies across South Dakota, so check your city's page for station-specific readings and the pre-emergent timing recommendation.
When can I plant grass seed in South Dakota?
Cool-season grasses (fescue, bluegrass) can be seeded when soil holds between 50 and 65°F. Warm-season grasses (bermuda, zoysia) need soil above 65°F. Timing varies by location, so check your city's planting window for the dates specific to your area.