ZIP 59928 · Montana · Nov 11, 2026

Soil temperature for ZIP code 59928

42°Faverage today, 0–4 in deep (modelled)
low 40°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.1 km from the ZIP centre point

On a week ago
8° warmer
34°F on Nov 4
5-day mean
38°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 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 1634°42°35°
View as table
DayAverageLowHigh
Nov 434.1°F32.5°F36.5°Fanalysis
Nov 534.0°F32.1°F35.4°Fanalysis
Nov 633.6°F32.8°F35.0°Fanalysis
Nov 736.7°F34.4°F42.0°Fanalysis
Nov 839.0°F36.9°F41.2°Fanalysis
Nov 936.4°F34.5°F38.2°Fanalysis
Nov 1038.0°F37.2°F40.1°Fanalysis
Today41.7°F40.4°F45.1°Fanalysis
Nov 1240.2°F38.4°F42.7°Fforecast
Nov 1338.9°F36.8°F42.1°Fforecast
Nov 1437.3°F35.2°F39.5°Fforecast
Nov 1535.7°F33.8°F38.5°Fforecast
Nov 1636.7°F36.2°F37.1°Fforecast
Nov 1735.1°F34.4°F35.9°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 opensJun 16
55°FCrabgrass can germinateJun 18
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Kalispell, MT, 67 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

This ZIP code area covers about 937 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

Nearby ZIP codes

Today's modelled average.

59918 40°F · 59933 40°F · 59927 42°F · 59912 42°F · 59937 42°F · 59917 43°F · 59913 42°F · 59919 42°F

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

Questions

What is the soil temperature in ZIP code 59928 today?
About 42°F on average in the top 4 inches (0–10 cm), low 40°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 6.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 59928?
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 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).