What is the soil temperature in ZIP code 62841 today?

About 58°F on average in the top 4 inches (0–10 cm), low 55°F and high 63°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 12.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 62841?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Mar 22.

ZIP 62841 · Herrin, IL · Nov 11, 2026

Soil temperature for ZIP code 62841

58°Faverage today, 0–4 in deep (modelled)
low 55°F · high 63°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.1 km from the ZIP centre point

On a week ago

7° cooler

65°F on Nov 4

5-day mean

54°F

what the verdicts use

Held 55°F last spring

Mar 22

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.

View as table

Day	Average	Low	High
Nov 4	64.9°F	63.1°F	67.1°F	analysis
Nov 5	58.4°F	55.5°F	61.1°F	analysis
Nov 6	56.6°F	55.0°F	57.5°F	analysis
Nov 7	49.8°F	46.7°F	51.5°F	analysis
Nov 8	48.8°F	44.7°F	53.5°F	analysis
Nov 9	53.9°F	49.4°F	59.3°F	analysis
Nov 10	57.4°F	53.9°F	61.1°F	analysis
Today	58.4°F	54.6°F	62.7°F	analysis
Nov 12	56.0°F	54.2°F	59.3°F	forecast
Nov 13	47.2°F	45.1°F	49.9°F	forecast
Nov 14	42.8°F	39.5°F	45.7°F	forecast
Nov 15	43.1°F	39.3°F	46.9°F	forecast
Nov 16	44.3°F	40.8°F	47.7°F	forecast
Nov 17	44.5°F	40.8°F	48.2°F	forecast

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.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Feb 14
50°F	Pre-emergent window opens	Mar 5
55°F	Crabgrass can germinate	Mar 22
60°F	Tomatoes	May 13
65°F	Warm-season grass seed	May 27

Carbondale, IL, 24 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

62948 58°F · 62999 58°F · 62874 58°F · 62951 58°F · 62896 58°F · 62933 58°F · 62921 58°F · 62983 58°F

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

Questions

What is the soil temperature in ZIP code 62841 today?: About 58°F on average in the top 4 inches (0–10 cm), low 55°F and high 63°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 12.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 62841?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Mar 22.

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).