This paper investigates the impacts of temperature change on low streamflow conditions for 77 rivers in the Canadian Prairies. The Mann-Kendall non-parametric statistical test for trend is used to identify trends in the streamflow and temperature time series data, whose starting dates range from 1912 to 1969 with an end date of 1993. The results indicate that the magnitude of flow has a decreasing tendency, while temperature has an increasing tendency. The frequency of low flow events has an increasing tendency. A combination of a decrease in the magnitude, and an increase in the frequency of low flow results in poor water quality conditions in a river, with negative implications for aquatic life. It is realized that difficulties may occur in separating the flow variations due to temperature change from variability caused by other factors, but the results of this study provide information for predicting the variation of low flow due to changes in climatic conditions.