ZIP 71021 · Springhill, LA · Nov 11, 2026

Soil temperature for ZIP code 71021

66°Faverage today, 0–4 in deep (modelled)
low 64°F · high 69°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.1 km from the ZIP centre point

On a week ago
1° warmer
66°F on Nov 4
5-day mean
63°F
what the verdicts use
Held 55°F last spring
Feb 10
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedToo cold
  • TomatoesSoil warm enough
  • 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°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1666°66°53°
View as table
DayAverageLowHigh
Nov 465.7°F64.4°F67.6°Fanalysis
Nov 564.2°F61.5°F67.3°Fanalysis
Nov 665.2°F63.4°F67.2°Fanalysis
Nov 763.6°F62.5°F65.1°Fanalysis
Nov 861.3°F59.4°F63.3°Fanalysis
Nov 961.4°F59.1°F64.1°Fanalysis
Nov 1063.5°F60.9°F67.1°Fanalysis
Today66.5°F64.3°F69.2°Fanalysis
Nov 1265.3°F63.6°F67.4°Fforecast
Nov 1361.1°F59.7°F63.2°Fforecast
Nov 1456.8°F55.2°F58.9°Fforecast
Nov 1554.9°F53.9°F56.2°Fforecast
Nov 1654.6°F52.8°F56.4°Fforecast
Nov 1753.4°F51.0°F55.8°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 4
50°FPre-emergent window opensFeb 9
55°FCrabgrass can germinateFeb 10
60°FTomatoesMar 1
65°FWarm-season grass seedApr 12

Shreveport, LA, 57 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

71075 66°F · 71071 66°F · 71072 66°F · 71861 66°F · 71018 66°F · 71064 67°F · 71740 66°F · 71826 67°F

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

Questions

What is the soil temperature in ZIP code 71021 today?
About 66°F on average in the top 4 inches (0–10 cm), low 64°F and high 69°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 6.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 71021?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 9 and 55°F from Feb 10.

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).