Snowfall warning in effect for parts of central Sask.

Heavy snow is expected to fall over parts of central Saskatchewan Friday, prompting a warning from Environment Canada.

The weather agency expects 15-25 centimetres – or four to 10 inches of snow – in areas like Humboldt and Lloydminster.

The snow is also making things slick on the highways, with winter driving conditions existing in the northern parts of the province.