ZIP 59868 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59868

42°Faverage today, 0–4 in deep (modelled)
low 41°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 4.4 km from the ZIP centre point

On a week ago
7° warmer
35°F on Nov 4
5-day mean
39°F
what the verdicts use
Held 55°F last spring
Jun 19
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°42°37°
View as table
DayAverageLowHigh
Nov 434.9°F33.2°F37.9°Fanalysis
Nov 535.0°F34.1°F35.7°Fanalysis
Nov 635.0°F34.5°F35.3°Fanalysis
Nov 736.6°F34.8°F40.3°Fanalysis
Nov 839.4°F38.0°F40.7°Fanalysis
Nov 937.1°F35.2°F38.9°Fanalysis
Nov 1038.8°F37.5°F41.3°Fanalysis
Today42.2°F40.9°F45.2°Fanalysis
Nov 1241.6°F40.2°F43.8°Fforecast
Nov 1339.9°F38.4°F41.7°Fforecast
Nov 1438.4°F36.6°F40.2°Fforecast
Nov 1535.9°F34.4°F36.8°Fforecast
Nov 1635.0°F33.6°F37.7°Fforecast
Nov 1736.7°F35.9°F38.5°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 lettuceMay 5
50°FPre-emergent window opensJun 16
55°FCrabgrass can germinateJun 19
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Missoula, MT, 52 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

59854 35°F · 59823 43°F · 59826 43°F · 59821 45°F · 59865 45°F · 59802 44°F · 59851 45°F · 59863 45°F

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

Questions

What is the soil temperature in ZIP code 59868 today?
About 42°F on average in the top 4 inches (0–10 cm), low 41°F and high 45°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 4.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59868?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 16 and 55°F from Jun 19.

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).