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Snowfall warning in effect for parts of southern Alberta, Calgary to see mix of rain and snow​on April 20, 2025 at 7:48 pm

Calgarians are in for a brief blast of winter, with a mix of rain and snow in and around the city expected Sunday night and into Monday. Read More

​Areas northwest of Calgary are likely to see the highest snowfall, according to Environment Canada   

Areas northwest of Calgary are likely to see the highest snowfall, according to Environment Canada

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Calgarians are in for a brief blast of winter, with a mix of rain and snow in and around the city expected Sunday night and into Monday.

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Environment Canada says the city could see up to five centimetres overnight Sunday, and snowfall amounts possibly reaching 10 centimetres by the end of Monday.

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Temperatures in Calgary were sitting at around 2 C early Sunday afternoon, and are expected to drop to a low of zero overnight.

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A snowfall warning has been issued for parts of southern and central Alberta, including areas west and northwest of Calgary, where 10 to 20 centimetres of snow could fall by Monday night, according to ECCC meteorologist Heather Pimiskern.

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In Calgary, snowfall totals will depend on how much of the precipitation falls as rain versus snow. Pimiskern said there’s a good chance parts of the city will see two to five centimetres overnight Sunday.

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“We are going to see a mixture of rain and snow in and around the Calgary area,” she said Sunday. “At this point in time, we have a forecast of roughly five centimeters expected for tonight and then snowfall amounts possibly reaching 10 centimeters (Monday).”

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She noted that there is a high degree of uncertainty with respect to snowfall amounts in the city. “Not everyone will see precipitation and not everyone will see the same amount of precipitation,” she said.

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As of late Sunday morning, Calgary was already seeing early signs of the incoming systems, with scattered rain showers and flurries reported in parts of the city, Pimiskern said.

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Heavier snowfall west and northwest of city

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Areas northwest of Calgary are likely to see the highest snowfall, according to Environment Canada.

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“We do have snowfall warnings in effect for areas west and northwest of Calgary, and that’s where we have the highest degree of certainty as to those areas seeing 10 or more centimeters of snow in a 12-hour period,” Pimiskern said.

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The national weather authority is warning drivers of reduced visibility and difficult travel conditions due to accumulating snow.

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The system is expected to ramp up overnight Sunday, and Pimiskern said more widespread precipitation is expected from the Hinton, Alta. region down towards the southeast corner of Alberta near the Saskatchewan border.

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Snowfall is expected to taper off as the system exits Alberta overnight Monday night into Tuesday. Pimiskern noted that these types of weather systems aren’t unusual for this time of year.

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Warming trend to follow

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Calgary temperatures are expected to climb steadily throughout the week, with Calgary returning to seasonal conditions by midweek. Highs could reach 13 C by Thursday and climb to between 15 and 20 C on Friday and Saturday.

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“The snow likely won’t stick around,” Pimiskern said. “We will see a general trend towards nicer weather as we move into the weekend.”

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Spring snowstorms are not uncommon in Alberta, Pimiskern said.

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“We do typically see systems like these that produce snowfall warnings in Alberta even into early May,” Pimiskern said.

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Stay up to date by monitoring alerts and forecasts from Environment Canada. To report severe weather, email ABstorm@ec.gc.ca, call 1-800-239-0484 or share updates on X using #ABStorm.

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