What is the soil temperature in ZIP code 89021 today?

About 63°F on average in the top 4 inches (0–10 cm), low 58°F and high 72°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 12.5 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 89021?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 1 and 55°F from Feb 4.

ZIP 89021 · Moapa Valley, NV · Nov 11, 2026

Soil temperature for ZIP code 89021

63°Faverage today, 0–4 in deep (modelled)
low 58°F · high 72°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.5 km from the ZIP centre point

On a week ago

3° warmer

60°F on Nov 4

5-day mean

62°F

what the verdicts use

Held 55°F last spring

Feb 4

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.

View as table

Day	Average	Low	High
Nov 4	60.4°F	55.0°F	68.1°F	analysis
Nov 5	60.7°F	55.7°F	67.8°F	analysis
Nov 6	61.1°F	56.1°F	68.4°F	analysis
Nov 7	62.0°F	56.4°F	70.3°F	analysis
Nov 8	62.2°F	56.4°F	70.4°F	analysis
Nov 9	62.1°F	56.2°F	70.4°F	analysis
Nov 10	62.6°F	56.8°F	70.7°F	analysis
Today	63.2°F	57.7°F	71.5°F	analysis
Nov 12	63.0°F	57.3°F	70.8°F	forecast
Nov 13	62.8°F	58.2°F	68.6°F	forecast
Nov 14	62.5°F	58.8°F	67.8°F	forecast
Nov 15	60.2°F	56.2°F	65.3°F	forecast
Nov 16	59.5°F	54.6°F	66.7°F	forecast
Nov 17	60.7°F	56.8°F	65.6°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	never below
50°F	Pre-emergent window opens	Feb 1
55°F	Crabgrass can germinate	Feb 4
60°F	Tomatoes	Feb 27
65°F	Warm-season grass seed	Mar 13

Mesquite, NV, 40 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

89007 63°F · 89025 64°F · 89040 65°F · 89034 63°F · 89027 60°F · 86432 56°F · 89156 64°F · 89008 58°F

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

Questions

What is the soil temperature in ZIP code 89021 today?: About 63°F on average in the top 4 inches (0–10 cm), low 58°F and high 72°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 12.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 89021?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 1 and 55°F from Feb 4.

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).