Manitoba Agriculture
Seasonal Crop Summary
August 19, 2025
Northwest Region
Precipitation across the region slowed harvest progression. Some pre-harvest applications were completed as stages were reached and conditions allowed. Fall rye and winter wheat harvest is underway. Winter cereal harvest is close to complete in the Swan Valley region, while other areas are getting started.
Spring wheat is mostly in the hard dough stage. Pre-harvest applications are underway as appropriate stages are reached. Harvest has started on limited acres. Some lodging has occurred with recent storms.
Field peas are mostly in R7, full maturity. Harvest is underway in the Swan Valley region and soon to follow in other areas when conditions allow.
Canola crops continue to be varied across the region. Most fields are podded and mowing towards maturity.
Soybeans are at the R5 stage and range in condition. Some crops have benefited from recent precipitation, while others continue to show symptoms of lack of moisture.
Provincial Overview
Isolated rainfall and storm events occurred across the province this week, with accumulations ranging from 4.0 mm to 107.4 mm. The far Northwest region near Swan River and the Interlake, north of Winnipeg, received more than 30 mm of rain in the past seven days. The highest amount of rainfall was observed at Minitonas with 107.4 mm. Minitonas received 81.4 mm on Aug 17 with 37.9 mm falling over just four hours.
Climate normals for total accumulated precipitation from May 1 to August 17 range from 203.7 mm to 300.1 mm and are based on 30-year historical data. The majority of the Southwest and Central regions have accumulated more than 140 mm this growing season. Total precipitation accumulations have increased in the Northwest region, and the majority of the region has now accumulated more than 60% compared to the 30-year average. Parts of the Southwest have accumulated higher than normal precipitation levels since May 1.
Soil Moisture 0 – 30 cm shows a regional representation of soil moisture conditions for the top 30 cm on August 17, 2025, relative to field capacity. Soil moisture is variable across agro-Manitoba with areas within the same regions showing very dry to wet conditions. Recent rains have improved soil moisture conditions in the Northwest, Southwest, and southern portions of the Interlake. Areas of the Interlake and Eastern regions are showing dry to very dry conditions. Optimal to wet conditions were prevalent in the Northwest, Southwest, and Central regions on August 17.
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 17, 2025.
Above normal temperatures early in the season have resulted in GDD Accumulations between 100% and 110% of normal for the majority of agro-Manitoba.
To find interactive soil temperature/moisture and air temperature information see Agri-Maps Current Weather viewer.