Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing strong wind gusts, damaging hail and heavy rain.
There is also a risk of a tornado, says Environment Canada.
The severe thunderstorm watch covers Red Deer and much of central Alberta.
“Thunderstorms will develop this afternoon. Some of these thunderstorms are expected to produce severe weather until late this evening,” said the federal weather agency.
Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.