ZIP 83433 · Idaho · Nov 11, 2026

Soil temperature for ZIP code 83433

37°Faverage today, 0–4 in deep (modelled)
low 36°F · high 40°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5.4 km from the ZIP centre point

On a week ago
2° warmer
35°F on Nov 4
5-day mean
36°F
what the verdicts use
Held 55°F last spring
–
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 lettuceToo cold

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.

20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1635°37°34°
View as table
DayAverageLowHigh
Nov 435.3°F34.7°F35.9°Fanalysis
Nov 536.2°F35.8°F36.6°Fanalysis
Nov 634.5°F34.1°F35.2°Fanalysis
Nov 734.3°F33.7°F35.4°Fanalysis
Nov 834.4°F33.7°F36.4°Fanalysis
Nov 936.1°F35.4°F37.8°Fanalysis
Nov 1036.3°F35.4°F38.1°Fanalysis
Today37.2°F35.9°F40.3°Fanalysis
Nov 1238.2°F36.2°F41.8°Fforecast
Nov 1338.5°F37.2°F40.8°Fforecast
Nov 1437.8°F36.8°F38.6°Fforecast
Nov 1534.8°F34.3°F35.4°Fforecast
Nov 1634.2°F33.7°F35.0°Fforecast
Nov 1734.0°F33.7°F34.7°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 lettuceMay 4
50°FPre-emergent window opensJun 17
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

83429 36°F · 59758 35°F · 83420 41°F · 82190 36°F · 59720 35°F · 83421 42°F · 83445 43°F · 83424 41°F

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

Questions

What is the soil temperature in ZIP code 83433 today?
About 37°F on average in the top 4 inches (0–10 cm), low 36°F and high 40°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 5.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83433?
The spring window is closed. It opens again when the soil holds 50°F.

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).