ZIP 59043 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59043

47°Faverage today, 0–4 in deep (modelled)
low 43°F · high 53°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8 km from the ZIP centre point

On a week ago
5° warmer
43°F on Nov 4
5-day mean
48°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 1643°47°45°
View as table
DayAverageLowHigh
Nov 442.8°F38.2°F47.9°Fanalysis
Nov 544.1°F39.7°F50.5°Fanalysis
Nov 645.8°F42.0°F50.8°Fanalysis
Nov 746.2°F42.5°F50.8°Fanalysis
Nov 847.9°F43.6°F54.8°Fanalysis
Nov 948.7°F45.4°F51.7°Fanalysis
Nov 1047.7°F44.5°F52.0°Fanalysis
Today47.4°F43.4°F52.7°Fanalysis
Nov 1248.0°F44.0°F52.9°Fforecast
Nov 1348.2°F45.2°F52.3°Fforecast
Nov 1446.0°F42.2°F50.5°Fforecast
Nov 1545.7°F42.5°F50.3°Fforecast
Nov 1644.9°F40.9°F49.6°Fforecast
Nov 1744.6°F41.3°F48.5°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 lettuceMar 3
50°FPre-emergent window opensMay 10
55°FCrabgrass can germinateMay 25
60°FTomatoesJun 19
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

59016 48°F · 59012 48°F · 59003 48°F · 59323 49°F · 59022 49°F · 59025 48°F · 59031 49°F · 59062 47°F

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

Questions

What is the soil temperature in ZIP code 59043 today?
About 47°F on average in the top 4 inches (0–10 cm), low 43°F and high 53°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 8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59043?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 10 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).