Signals on the daily chart are a bit bearish as well, as the contract is zigzagging up in a rising channel, which suggests a further drop into $13.76-3/4 to $13.95 range.
CBOT wheat sliding overnight after climbing Tuesday on increased Chinese demand for US wheat, noted in the US Department of Agriculture's monthly supply and demand report.
Ukraine's winter crops are in good condition, with limited areas of frost damage.
CBOT wheat inching higher overnight after the USDA offered mixed ratings for US winter wheat conditions. Gains are limited by rain forecasts across the US Southern Plains.
Russian wheat export prices fell last week after two weeks of growth due to lower prices in Chicago and Paris, analysts said.
The US Department of Agriculture reported export inspections of US corn in the latest week at 1,544,460 tonnes, in line with trade expectations for 1.2 million to 1.8 million tonnes.
Brazilian farmers harvested an estimated 35% of the country's soybean acreage through last Thursday, down from 49% a year ago and the slowest pace in a decade, agribusiness consultancy AgRural said.
CBOT wheat is supported by a strong soybean market, but pressure continues as weather forecasts for the US Southern Plains show beneficial rains for winter wheat there.
Wet weather continues to hamper Brazilian harvest and second crop corn planting, adding support to CBOT corn amid tight global stocks.
Benchmark CBOT May soft red winter wheat hit technical resistance overnight at its five-day moving average. Support was noted at its 20-day moving average.
Corn seen lower in profit-taking setback after rising 1.3% on Tuesday.
Wheat futures head lower on profit taking at month's end and carry-over selling after Thursday's disappointing weekly US export sales report.
The CBOT reported no deliveries against CBOT March wheat on first notice day, as expected by traders, and 89 K.C. wheat deliveries, versus trade expectations for zero to 50 lots.
The US Department of Agriculture reported export sales of US old-crop wheat at 167,800 tonnes, a marketing year low that fell below a range of trade expectations, while new-crop sales totaled 14,800 tonnes.
Corn futures slid to session lows after the USDA's weekly export sales data fell below trade expectations.
The correction is presumed to have ended at $14.05 and the uptrend has resumed. A fall below $14.05 could be extended into the range of $13.88 to $13.94-3/4.
Still, showers on Argentina's Pampas grains belt in recent weeks have helped make up for the dryness that parched soybean and corn crops from the middle of last year, weather experts said on Monday.