Soil temps-planting and more
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Started by metmike - April 9, 2026, 4:57 p.m.


https://www.soiltemps.com/map

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Get all the comprehensive weather here:

         https://www.marketforum.com/forum/topic/83844/     

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By metmike - April 9, 2026, 7:13 p.m.
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Corn seed likes temperatures above 50 degrees for germination.

This map is updated daily(with previous days data). 

https://mesonet.agron.iastate.edu/agclimate/soilt.php


Great discussion below:

Soil Temperature and Corn Emergence

https://www.pioneer.com/us/agronomy/soil_temp_corn_emergence.html


Some critical environmental, genetic and seed quality factors that affect corn stand establishment.

Figure 4. Relationship of soil temperature at planting depth (7-day average after planting) to final stand at stress emergence research locations in 2018.


Photo showing temperature difference between soil under no residue and soil under heavy residue, midday, mid-April 2019.

Figure 10. A 15-degree temperature difference was observed midday on April 15, 2019 in a central Iowa field between soil under no residue and soil under heavy residue


Chart showing average early root and shoot growth rates for 3 hybrids under 4 soil temperatures ranging from 59 to 95° F.                               

Figure 2. Average early root and shoot growth rates for three hybrids under four soil temperatures ranging from 59 to 95°F.                

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So in April, corn producers WANT HEAT!!!!  Especially when soil moisture is good.

8 to 14 Day Outlook - Temperature Probability

Get all the comprehensive weather here:

https://www.marketforum.com/forum/topic/83844/

By metmike - April 9, 2026, 7:29 p.m.
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This site will plot your local soil temperature. Just put in the information for your location in the search box.  This graph is for Evansville, Indiana:

https://www.greencastonline.com/tools/soil-temperature


By metmike - April 9, 2026, 10:42 p.m.
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Big parts of the Eastern Cornbelt and Great Lakes have had their soil moisture recharged.

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Soilmoisture anomaly:

These maps sometimes take a day to catch up to incorporate the latest data(the bottom map is only updated once a week).



https://www.cpc.ncep.noaa.gov/products/Soilmst_Monitoring/US/Soilmst/Soilmst.shtml#

                            

Daily Soil Moisture Pecentile       

        Daily Anomaly Soil Moisture (mm)

        Monthly Soil Moisture Change


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Updated daily below:

https://mrcc.purdue.edu/cliwatch/watch.htm#curMonths


Snapshot below:

https://mrcc.purdue.edu/cliwatch/mtd_cen/month.pperc.png

March rains have reduced drought from MO to N.OH. 

NEW LINK:
https://www.drought.gov/current-conditions

  National Current Conditions

       Thru  April 8, 2026



DROUGHT MONITOR

https://droughtmonitor.unl.edu/