Idaho · 9 cities · Nov 11, 2026

Idaho soil temperatures (4 inch)

Median across the state, top 4 inches (modelled)48°FModelled by NOAA GFS, run Nov 11, 12:00 UTC (7 am Eastern). Warmest: Boise 54°F · coolest: Conda 41°F
Cities
9
each on its own model grid cell
Change on a week ago
+4°F
median of the cities
Pre-emergent window open
0
of 9 cities today
Held 55°F last spring
May 5
median date

Soil temperature today, largest Idaho cities

°F, today's average of the 0–4 in layer. Green band: 50–55°F. Bars start at 30°F, not zero.

Boise54°FNampa54°FIdaho Falls45°FPocatello46°FCoeur d'Alene48°FTwin Falls49°FLewiston50°FRexburg44°FConda41°F
Boise54°FNampa54°FIdaho Falls45°FPocatello46°FCoeur d'Alene48°FTwin Falls49°FLewiston50°FRexburg44°FConda41°F
Source: NOAA NCEP GFS, run Nov 11, 12:00 UTC (7 am Eastern).

Measured at 4 inches in Idaho

Daily average of hourly probe readings (NOAA USCRN), latest full day. Measured, not modelled.

NOAA station4 in2 in8 inDay
Arco 17 SW38.9°F37.5°F–Nov 10
Murphy 10 W45.7°F46.0°F47.0°FNov 10

All 9 cities in Idaho

CitySoil todayvs a week agoNext 7 daysGrass seed
Boise, ID54°F+4°F47°F–54°FToo late in the season
Nampa, ID54°F+4°F48°F–55°FToo late in the season
Idaho Falls, ID45°F+1°F41°F–45°FToo late in the season
Pocatello, ID46°F+4°F38°F–46°FToo late in the season
Coeur d'Alene, ID48°F+6°F41°F–47°FToo late in the season
Twin Falls, ID49°F+3°F45°F–50°FToo late in the season
Lewiston, ID50°F+6°F45°F–50°FToo late in the season
Rexburg, ID44°F+1°F40°F–44°FToo late in the season
Conda, ID41°F+3°F35°F–42°FToo late in the season

City numbers are the modelled average of the top 4 inches (0–10 cm), not a probe at exactly 4 inches. Measured 2, 4 and 8 inch readings · Idaho by ZIP code

Crabgrass preventer timing in Idaho →

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); U.S. Climate Reference Network (USCRN) hourly data, version 2 (soil temperature at 5 cm and 10 cm, air temperature) (NOAA National Centers for Environmental Information (NCEI)); GeoNames gazetteer (cities15000) (GeoNames).