Manitoba Agriculture
Seasonal Crop Summary
August 12, 2025
Northwest Region
Another week of warm temperatures and smoky conditions, and unsettled weather, over the weekend, broughtvarying amounts of precipitation. High wind speeds and heavy rain caused lodging in some cereal crops. Harvest is paused while fields dry up.
Fall rye and winter wheat harvest has started. Spring wheat crops range from soft to hard dough stage, pre-harvest applications continue as appropriate stages are reached.
Field peas continue in the R6 to R7 stage with desiccations underway. Field pea harvest has started.
Canola crops are varied across the region. Most fields are wrapping up flowering stage and are podded. Sunscald symptoms are evident with recent high temperatures, as well as pod abortion.
Most soybean crops are at the R4 stage and range in condition. While some fields look average, some show signs of moisture stress. Recent precipitation may benefit some crops.
Provincial Overview
Isolated rainfall and storm events occurred across the southern portion of the province this week, with accumulations ranging from 5.8 mm to 145.6 mm. Some storms were accompanied by heavy rains and strong winds. Tornadoes (causing minimal damage) were confirmed by the Northern Tornadoes Project near Dugald (August 6), Birds Hill (August 6), and Grande-Clairiere (August 5). Much of the Northwest, Southwest, and southern portions of the Interlake regions received more than 30 mm of precipitation over the past seven days. The highest amount of rainfall was observed at Ethelbert with 145.6 mm.
Climate normals for total accumulated precipitation from May 1 to August 10 range from 191.8 mm to 282.9 mm and are based on 30-year historical data. The majority of the Southwest, Central, and Eastern regions have accumulated more than 100 mm this growing season. Total precipitation accumulations have improved in the Northwest region and in parts of the Interlake. The majority of the Northwest region has now accumulated more than 50% compared to the 30-year average. Parts of the Southwest have accumulated higher than normal precipitation levels since May 1.
Percent Normal Accumulated Growing Degree Days represents the variation of accumulated Growing Degree Days (GDD) from the historical record over a 30-year period from May 1 – August 10, 2025. Above normal temperatures early in the season have resulted in GDD Accumulations between 100% and
115% of normal for the majority of agro-Manitoba.
To find interactive soil temperature/moisture and air temperature information see Agri-Maps Current Weather viewer