debugging field crop production

We had milder weather as we turned the corner in May. Average temperatures this week ranged from the low 60s in northern Illinois to the low 70s in southern Illinois, between 2 and 4 degrees above normal. Despite a bit more warmth this week, low humidity allowed nighttime temperatures to regularly drop into the 40s, including lows of 38 degrees in Decatur and 39 in Barrington. May temperatures to date have been 1 to 3 degrees below average statewide.…

Steve Brand – Commercial Agronomy Specialist DeKalb County Soil Conditions: Mildly Dry (soil is drier than normal, plant growth may have slowed) Overall, planting is close to finished across more of northern Illinois. Field work over the last 2 weeks has been non-stop, and most fields I saw were either planted or just beginning to emerge, whether that was corn or soybeans. After a wild and wet April, May has been very dry and unusually cool,…

The following is a summary of the WILLAg.org content from the work week ending May 15, 2026. Agricultural Markets Weekly Synthesis Throughout the week, the agricultural markets were heavily influenced by the USDA WASDE report, macroeconomic indicators, geopolitical trade developments, and the shifting positions of commodity funds. Early in the week, Curt Kimmel emphasized the significant influence of commodity funds, which held massive net-long positions, and noted that robust global demand was required to push new crop corn above $5 and soybeans above $12.…

by Trent Ford, State Climatologist ISWS PRI University of Illinois Spring weather extended yet another week with average temperatures from the low 50s in northern Illinois to low 60s in southern Illinois, between 3 and 8 degrees below normal. While most places stayed above freezing overnight this week, we did wake up to temperatures in the 30s and heavy frost, including lows of 33 degrees in Dixon and in Rockford. The cooler start to May is quite a contrast to what ended up being the warmest April on record statewide last month.…