ZIP 59031 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59031

49°Faverage today, 0–4 in deep (modelled)
low 44°F · high 54°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.7 km from the ZIP centre point

On a week ago
4° warmer
45°F on Nov 4
5-day mean
49°F
what the verdicts use
Held 55°F last spring
May 25
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 1645°49°47°
View as table
DayAverageLowHigh
Nov 444.9°F40.9°F49.5°Fanalysis
Nov 545.7°F41.3°F51.7°Fanalysis
Nov 646.5°F42.9°F51.6°Fanalysis
Nov 747.6°F43.8°F52.8°Fanalysis
Nov 849.9°F45.8°F56.0°Fanalysis
Nov 951.1°F47.8°F54.5°Fanalysis
Nov 1049.3°F46.2°F53.4°Fanalysis
Today48.7°F44.3°F54.2°Fanalysis
Nov 1250.6°F47.0°F55.3°Fforecast
Nov 1350.1°F46.7°F54.3°Fforecast
Nov 1449.0°F45.2°F53.8°Fforecast
Nov 1547.6°F44.2°F51.7°Fforecast
Nov 1647.6°F43.8°F52.6°Fforecast
Nov 1747.0°F43.8°F50.2°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 28
50°FPre-emergent window opensMar 21
55°FCrabgrass can germinateMay 25
60°FTomatoesMay 27
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

59022 49°F · 59050 49°F · 59016 48°F · 59075 49°F · 59034 50°F · 59089 47°F · 59035 48°F · 59010 48°F

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

Questions

What is the soil temperature in ZIP code 59031 today?
About 49°F on average in the top 4 inches (0–10 cm), low 44°F and high 54°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 9.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59031?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from May 25.

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).