What is the soil temperature in ZIP code 66740 today?

About 59°F on average in the top 4 inches (0–10 cm), low 57°F and high 61°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 11.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 66740?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 22.

ZIP 66740 · Parsons, KS · Nov 11, 2026

Soil temperature for ZIP code 66740

59°Faverage today, 0–4 in deep (modelled)
low 57°F · high 61°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 11.3 km from the ZIP centre point

On a week ago

No change

59°F on Nov 4

5-day mean

53°F

what the verdicts use

Held 55°F last spring

Mar 22

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	59.0°F	57.5°F	61.1°F	analysis
Nov 5	55.1°F	53.0°F	57.5°F	analysis
Nov 6	52.6°F	50.7°F	54.1°F	analysis
Nov 7	48.5°F	45.4°F	51.2°F	analysis
Nov 8	48.9°F	44.7°F	54.7°F	analysis
Nov 9	53.8°F	50.4°F	58.2°F	analysis
Nov 10	56.3°F	52.7°F	60.9°F	analysis
Today	58.9°F	57.1°F	60.9°F	analysis
Nov 12	55.2°F	53.0°F	57.2°F	forecast
Nov 13	48.3°F	45.6°F	50.8°F	forecast
Nov 14	44.0°F	40.9°F	47.0°F	forecast
Nov 15	47.4°F	45.8°F	50.2°F	forecast
Nov 16	46.8°F	43.7°F	50.1°F	forecast
Nov 17	47.2°F	44.0°F	50.9°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	Feb 8
50°F	Pre-emergent window opens	Mar 1
55°F	Crabgrass can germinate	Mar 22
60°F	Tomatoes	May 13
65°F	Warm-season grass seed	May 27

Pittsburg, KS, 59 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

66776 59°F · 67341 60°F · 66733 59°F · 67357 59°F · 66771 59°F · 66720 59°F · 66710 59°F · 67335 60°F

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

Questions

What is the soil temperature in ZIP code 66740 today?: About 59°F on average in the top 4 inches (0–10 cm), low 57°F and high 61°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 11.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 66740?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 22.

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).