ZIP 72830 · Clarksville, AR · Nov 11, 2026

Soil temperature for ZIP code 72830

61°Faverage today, 0–4 in deep (modelled)
low 59°F · high 65°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.2 km from the ZIP centre point

On a week ago
1° cooler
62°F on Nov 4
5-day mean
56°F
what the verdicts use
Held 55°F last spring
Mar 1
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.

40°50°60°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1662°61°48°
View as table
DayAverageLowHigh
Nov 462.4°F60.8°F64.5°Fanalysis
Nov 559.7°F56.8°F63.0°Fanalysis
Nov 661.5°F59.7°F63.5°Fanalysis
Nov 756.7°F54.6°F58.9°Fanalysis
Nov 854.3°F51.7°F56.9°Fanalysis
Nov 953.8°F50.4°F57.7°Fanalysis
Nov 1056.2°F52.7°F60.7°Fanalysis
Today61.2°F58.6°F64.8°Fanalysis
Nov 1259.6°F57.7°F61.8°Fforecast
Nov 1353.6°F51.4°F56.4°Fforecast
Nov 1448.1°F45.8°F49.9°Fforecast
Nov 1546.8°F44.9°F48.5°Fforecast
Nov 1647.0°F44.0°F50.7°Fforecast
Nov 1747.6°F44.5°F50.7°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 7
50°FPre-emergent window opensFeb 11
55°FCrabgrass can germinateMar 1
60°FTomatoesApr 11
65°FWarm-season grass seedMay 17

Russellville, AR, 43 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

72840 61°F · 72863 63°F · 72846 61°F · 72852 58°F · 72832 61°F · 72821 61°F · 72845 63°F · 72854 58°F

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

Questions

What is the soil temperature in ZIP code 72830 today?
About 61°F on average in the top 4 inches (0–10 cm), low 59°F and high 65°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 2.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 72830?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 11 and 55°F from Mar 1.

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).