Manitoba Agriculture
Seasonal Crop Summary
September 3, 2025
Northwest Region
Warm temperatures allowed for good harvest progress this week. The weekend wrapped up with thunderstorms in some areas, pausing harvest briefly. Heavy dews have also narrowed the harvest window. Thunderstorms at the end of the weekend brought hail to the Swan Valley, Benito and Inglis area, causing damage to some crops in the area.
Pre-harvest applications are close to wrapping up in wheat as crops are removed. Desiccation/swathing is underway in canola as stages are reached. Post-harvest field operations are also underway.
Fall rye and winter wheat harvest is complete.
A good week of spring wheat harvest has allowed significant progress in most of the Northwest region. Harvest is at approximately 70% complete across the region. Some lodging of crops have been a challenge when harvesting.
Initial estimated average yields are 50-60 bu/acre, with some fields yielding higher.
Field pea harvest continues across the region and is approximately 85% complete. Yields vary from 30-60 bu/acre.
Canola crops continue to be varied across the region. Desiccation/swathing is underway, and a small start to harvest in some areas. Varied stages within some fields are noticeable with some plants at mature stage and some plants still flowering – especially in areas of the field that had not germinated due to lack of moisture this spring.
Soybean crops are at R5-R6 stage and moving closer to R7.
Provincial Overview
Isolated rainfall and storm events occurred across the province this week, with weekly accumulations ranging from 0 mm to 60.3 mm. Areas near Riding Mountain National Park and near the Red River Valley received more than 10 mm of rain in the past eight days. The highest amount of rainfall was observed at Kane (60.3 mm).
Climate normals for total accumulated precipitation from May 1 to September 1 range from 221.7 mm to 342.4 mm and are based on 30-year historical data. The majority of the Southwest, Central, and Eastern regions have accumulated more than 180 mm this growing season. Total precipitation accumulations this season remain below 60% compared to the 30-year average in the Interlake and parts of the Northwest and Eastern regions. 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 September 1, 2025 relative to field capacity. Soil moisture is variable across agro-Manitoba with areas within the same regions showing very dry to wet conditions due to variable precipitation. Large areas of the Interlake continue to show dry or very dry conditions. Optimal were prevalent in the Northwest, Southwest, and Central regions on September 1 with localized areas displaying wet, dry, or very dry conditions.
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 – September 1, 2025. GDD Accumulations are between 100% and 110% of normal for the majority of agro-Manitoba.