What is the soil temperature in ZIP code 57529 today?

About 51°F on average in the top 4 inches (0–10 cm), low 50°F and high 52°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 5.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 57529?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from May 25.

ZIP 57529 · South Dakota · Nov 11, 2026

Soil temperature for ZIP code 57529

51°Faverage today, 0–4 in deep (modelled)
low 50°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5.6 km from the ZIP centre point

On a week ago

4° warmer

47°F on Nov 4

5-day mean

50°F

what the verdicts use

Held 55°F last spring

May 25

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
TomatoesToo cold
Peas and lettuceWarm enough

From the 5-day mean of the modelled 0–4 in layer.

Soil temperature, 0–4 in: last 7 days and next 7

°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.

View as table

Day	Average	Low	High
Nov 4	47.0°F	46.0°F	48.3°F	analysis
Nov 5	45.9°F	44.2°F	47.4°F	analysis
Nov 6	42.3°F	39.5°F	46.2°F	analysis
Nov 7	46.8°F	43.1°F	52.4°F	analysis
Nov 8	50.2°F	47.2°F	53.6°F	analysis
Nov 9	52.7°F	51.0°F	54.9°F	analysis
Nov 10	49.9°F	47.1°F	53.2°F	analysis
Today	51.2°F	49.7°F	52.3°F	analysis
Nov 12	45.2°F	43.8°F	47.6°F	forecast
Nov 13	40.1°F	37.7°F	42.4°F	forecast
Nov 14	40.5°F	38.1°F	44.0°F	forecast
Nov 15	44.3°F	43.2°F	46.6°F	forecast
Nov 16	48.3°F	46.3°F	51.8°F	forecast
Nov 17	49.9°F	48.0°F	52.4°F	forecast

Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, run Nov 11, 12:00 UTC (7 am Eastern).

Spring 2026 threshold dates

From the 5-day mean held for 10 days or more.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Mar 5
50°F	Pre-emergent window opens	Mar 21
55°F	Crabgrass can germinate	May 25
60°F	Tomatoes	May 26
65°F	Warm-season grass seed	May 28

Nearby ZIP codes

Today's modelled average.

57528 51°F · 57533 51°F · 57523 51°F · 57538 52°F · 57534 51°F · 68753 54°F · 57580 52°F · 68778 52°F

More: crabgrass timing in South Dakota · every South Dakota city · how accurate the model is.

Questions

What is the soil temperature in ZIP code 57529 today?: About 51°F on average in the top 4 inches (0–10 cm), low 50°F and high 52°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 5.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 57529?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from May 25.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).