ZIP 64066 · Grain Valley, MO · Nov 11, 2026

Soil temperature for ZIP code 64066

57°Faverage today, 0–4 in deep (modelled)
low 56°F · high 58°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 15.6 km from the ZIP centre point

On a week ago
2° cooler
59°F on Nov 4
5-day mean
52°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.

30°40°50°60°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1659°57°44°
View as table
DayAverageLowHigh
Nov 458.8°F57.6°F61.3°Fanalysis
Nov 553.0°F51.0°F54.4°Fanalysis
Nov 651.9°F50.8°F52.6°Fanalysis
Nov 746.8°F44.0°F49.1°Fanalysis
Nov 848.4°F44.9°F53.6°Fanalysis
Nov 953.3°F49.7°F58.0°Fanalysis
Nov 1056.0°F52.7°F59.9°Fanalysis
Today56.7°F55.5°F57.8°Fanalysis
Nov 1251.6°F50.6°F54.2°Fforecast
Nov 1344.0°F41.8°F46.0°Fforecast
Nov 1440.5°F37.5°F43.5°Fforecast
Nov 1542.4°F39.5°F45.9°Fforecast
Nov 1643.4°F40.4°F46.6°Fforecast
Nov 1743.9°F40.8°F47.5°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceFeb 10
50°FPre-emergent window opensMar 22
55°FCrabgrass can germinateMar 22
60°FTomatoesMay 15
65°FWarm-season grass seedMay 28

Lee's Summit, MO, 33 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

64088 57°F · 64016 58°F · 64074 57°F · 64077 57°F · 64017 57°F · 64097 57°F · 64056 58°F · 64058 57°F

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

Questions

What is the soil temperature in ZIP code 64066 today?
About 57°F on average in the top 4 inches (0–10 cm), low 56°F and high 58°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 15.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 64066?
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 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).