A special weather statement is in place for Regina and area, while other parts of Saskatchewan are under a rainfall warning.
Environment Canada officials say a low pressure system that is tracking along the international border will bring rain to southern Saskatchewan on Wednesday.
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Parts of western Saskatchewan, including Kindersley and Swift Current, are under a rainfall warning, with upwards of 50 millimetres of rain expected by Thursday morning.
Localize flooding in low-lying areas is possible.
Thunderstorms are expected to start in the morning and continue into the afternoon before transitioning to steadier rain tonight.
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While southwest parts of the province are expected to receive the heaviest rainfall, areas in the southeast could receive 25 to 40 millimetres of rain before it tapers off Thursday morning.
However, there is still uncertainty as to the exact track of the low pressure system and the intensity of the thunderstorms, and areas currently under the special weather statement could see those changed to warnings as the storm progresses.
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