What is the soil temperature in ZIP code 83301 today?

About 49°F on average in the top 4 inches (0–10 cm), low 45°F and high 56°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 11.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 83301?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 19 and 55°F from May 4.

ZIP 83301 · Twin Falls, ID · Nov 11, 2026

Soil temperature for ZIP code 83301

49°Faverage today, 0–4 in deep (modelled)
low 45°F · high 56°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 11.2 km from the ZIP centre point

On a week ago

3° warmer

46°F on Nov 4

5-day mean

48°F

what the verdicts use

Held 55°F last spring

May 4

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	46.0°F	42.9°F	50.7°F	analysis
Nov 5	44.7°F	40.4°F	50.8°F	analysis
Nov 6	45.2°F	41.1°F	51.4°F	analysis
Nov 7	45.6°F	41.3°F	52.4°F	analysis
Nov 8	47.4°F	42.7°F	54.1°F	analysis
Nov 9	48.5°F	43.8°F	55.2°F	analysis
Nov 10	50.4°F	46.9°F	56.2°F	analysis
Today	49.4°F	45.1°F	55.6°F	analysis
Nov 12	47.6°F	43.1°F	53.7°F	forecast
Nov 13	47.2°F	43.1°F	52.9°F	forecast
Nov 14	49.9°F	48.1°F	51.2°F	forecast
Nov 15	44.7°F	41.3°F	49.6°F	forecast
Nov 16	45.1°F	42.0°F	49.4°F	forecast
Nov 17	45.6°F	42.8°F	49.6°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	Feb 26
50°F	Pre-emergent window opens	Mar 19
55°F	Crabgrass can germinate	May 4
60°F	Tomatoes	May 25
65°F	Warm-season grass seed	Jun 15

Twin Falls, ID, 19 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

83341 50°F · 83334 50°F · 83328 49°F · 83321 50°F · 83325 50°F · 83344 50°F · 83338 50°F · 83316 50°F

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

Questions

What is the soil temperature in ZIP code 83301 today?: About 49°F on average in the top 4 inches (0–10 cm), low 45°F and high 56°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 11.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83301?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 19 and 55°F from May 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).