Despite the recent cold, Illinois has had a warm winter so far with air temperatures averaging 7.3° F above normal as of Jan. 18. This weather has led to warmer and wetter soils across the state.
Statewide, soil temperatures at depths of 4 inches under bare soil averaged 38.0° between Dec. 1 and Jan. 18, 1.3° warmer than last winter and 3.0° higher than the long-term average. These numbers were greatly influenced by the balmier...