What is the soil temperature in ZIP code 57049 today?

About 51°F on average in the top 4 inches (0–10 cm), low 49°F and high 54°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 2.7 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 57049?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 22 and 55°F from Apr 14.

ZIP 57049 · South Dakota · Nov 11, 2026

Soil temperature for ZIP code 57049

51°Faverage today, 0–4 in deep (modelled)
low 49°F · high 54°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.7 km from the ZIP centre point

On a week ago

2° warmer

49°F on Nov 4

5-day mean

50°F

what the verdicts use

Held 55°F last spring

Apr 14

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	49.3°F	47.6°F	51.8°F	analysis
Nov 5	47.6°F	46.2°F	48.9°F	analysis
Nov 6	43.1°F	39.5°F	46.0°F	analysis
Nov 7	44.5°F	39.7°F	51.4°F	analysis
Nov 8	49.8°F	46.7°F	53.0°F	analysis
Nov 9	50.9°F	46.7°F	56.2°F	analysis
Nov 10	51.1°F	47.2°F	54.7°F	analysis
Today	51.3°F	49.2°F	53.5°F	analysis
Nov 12	46.4°F	44.5°F	49.8°F	forecast
Nov 13	40.0°F	37.0°F	42.6°F	forecast
Nov 14	38.0°F	35.2°F	41.6°F	forecast
Nov 15	41.2°F	38.8°F	44.7°F	forecast
Nov 16	44.5°F	41.3°F	48.5°F	forecast
Nov 17	46.3°F	43.3°F	50.3°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 6
50°F	Pre-emergent window opens	Mar 22
55°F	Crabgrass can germinate	Apr 14
60°F	Tomatoes	May 25
65°F	Warm-season grass seed	May 27

Sioux City, IA, 9 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

51103 51°F · 57038 51°F · 51104 51°F · 68776 51°F · 51101 51°F · 51109 51°F · 68743 51°F · 51105 51°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 57049 today?: About 51°F on average in the top 4 inches (0–10 cm), low 49°F and high 54°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 2.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 57049?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 22 and 55°F from Apr 14.

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).