ZIP 59545 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59545

46°Faverage today, 0–4 in deep (modelled)
low 42°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.1 km from the ZIP centre point

On a week ago
7° warmer
38°F on Nov 4
5-day mean
44°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 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 1638°46°42°
View as table
DayAverageLowHigh
Nov 438.5°F35.7°F42.5°Fanalysis
Nov 538.9°F35.9°F43.4°Fanalysis
Nov 638.5°F35.7°F42.2°Fanalysis
Nov 745.0°F42.8°F49.4°Fanalysis
Nov 846.4°F44.3°F48.8°Fanalysis
Nov 941.6°F38.9°F44.0°Fanalysis
Nov 1043.5°F40.2°F47.6°Fanalysis
Today45.6°F42.0°F51.5°Fanalysis
Nov 1248.9°F46.3°F52.5°Fforecast
Nov 1347.9°F46.0°F49.7°Fforecast
Nov 1444.4°F42.2°F47.3°Fforecast
Nov 1542.5°F39.7°F46.5°Fforecast
Nov 1644.3°F42.0°F47.1°Fforecast
Nov 1742.1°F40.6°F44.2°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 lettuceMar 20
50°FPre-emergent window opensMay 3
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

59484 45°F · 59444 45°F · 59531 47°F · 59522 48°F · 59482 45°F · 59466 45°F · 59461 48°F · 59530 48°F

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

Questions

What is the soil temperature in ZIP code 59545 today?
About 46°F on average in the top 4 inches (0–10 cm), low 42°F and high 52°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 7.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59545?
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).