A prolonged and significant rainfall event will bring 75 to 125 mm of rainfall by Wednesday morning.
Rainfall will begin over southwestern Alberta later this evening and spread north by tomorrow morning. The heaviest rain will fall tomorrow. Rain will persist over the area until Wednesday. Locally higher rainfall totals of 150 mm or more are possible.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible. Watch for possible washouts near rivers, creeks and culverts.
The warning encompasses the following areas:
- Mountain View Co. near Carstairs and Stirlingville
- Mountain View Co. near Cremona and Water Valley
- Mountain View Co. near Olds and Didsbury
- Mountain View Co. near Sundre
- Rocky View Co. near Airdrie and Crossfield
- Rocky View Co. near Bottrel and Madden
- Rocky View Co. near Cochrane
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