ZIP 59867 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59867

43°Faverage today, 0–4 in deep (modelled)
low 41°F · high 46°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13 km from the ZIP centre point

On a week ago
6° warmer
37°F on Nov 4
5-day mean
40°F
what the verdicts use
Held 55°F last spring
Jun 18
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.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1637°43°37°
View as table
DayAverageLowHigh
Nov 436.8°F35.2°F40.1°Fanalysis
Nov 535.7°F34.8°F37.3°Fanalysis
Nov 635.7°F34.7°F37.5°Fanalysis
Nov 739.2°F36.6°F43.8°Fanalysis
Nov 841.6°F41.3°F42.4°Fanalysis
Nov 937.4°F36.2°F38.6°Fanalysis
Nov 1039.5°F38.2°F41.2°Fanalysis
Today42.7°F41.4°F45.6°Fanalysis
Nov 1243.9°F42.4°F46.7°Fforecast
Nov 1342.5°F40.8°F44.2°Fforecast
Nov 1440.3°F39.6°F41.5°Fforecast
Nov 1537.4°F35.8°F39.8°Fforecast
Nov 1639.2°F38.8°F39.7°Fforecast
Nov 1736.9°F35.9°F37.9°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 1
50°FPre-emergent window opensMay 25
55°FCrabgrass can germinateJun 18
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

59830 43°F · 59842 43°F · 83802 43°F · 83846 43°F · 83873 43°F · 83867 45°F · 83874 43°F · 59866 45°F

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

Questions

What is the soil temperature in ZIP code 59867 today?
About 43°F on average in the top 4 inches (0–10 cm), low 41°F and high 46°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 13 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59867?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 25 and 55°F from Jun 18.

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).