What is the soil temperature in ZIP code 57015 today?

About 48°F on average in the top 4 inches (0–10 cm), low 45°F and high 51°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 8.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 57015?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 13 and 55°F from May 12.

ZIP 57015 · Sioux Falls, SD · Nov 11, 2026

Soil temperature for ZIP code 57015

48°Faverage today, 0–4 in deep (modelled)
low 45°F · high 51°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.6 km from the ZIP centre point

On a week ago

1° warmer

47°F on Nov 4

5-day mean

46°F

what the verdicts use

Held 55°F last spring

May 12

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	47.1°F	45.2°F	49.6°F	analysis
Nov 5	44.7°F	43.3°F	45.7°F	analysis
Nov 6	40.2°F	39.0°F	41.7°F	analysis
Nov 7	41.9°F	37.5°F	48.3°F	analysis
Nov 8	47.0°F	44.2°F	50.0°F	analysis
Nov 9	48.4°F	44.9°F	53.0°F	analysis
Nov 10	47.5°F	44.5°F	50.0°F	analysis
Today	47.7°F	45.2°F	50.6°F	analysis
Nov 12	43.3°F	41.7°F	46.7°F	forecast
Nov 13	37.7°F	36.4°F	38.5°F	forecast
Nov 14	36.1°F	34.3°F	37.7°F	forecast
Nov 15	38.3°F	35.9°F	41.7°F	forecast
Nov 16	43.2°F	40.4°F	47.4°F	forecast
Nov 17	45.5°F	42.9°F	48.9°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 21
50°F	Pre-emergent window opens	Apr 13
55°F	Crabgrass can germinate	May 12
60°F	Tomatoes	May 26
65°F	Warm-season grass seed	May 27

Sioux Falls, SD, 24 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

57064 48°F · 57039 49°F · 57053 48°F · 57106 48°F · 57021 49°F · 57033 48°F · 57117 48°F · 57105 48°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 57015 today?: About 48°F on average in the top 4 inches (0–10 cm), low 45°F and high 51°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 8.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 57015?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 13 and 55°F from May 12.

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).