A fog advisory is in place for many parts of our area including Yorkton, Melville, Canora, Foam Lake, Minnedosa and Swan River. The combination of clear skies, light winds and melting snow created ideal conditions for fog development overnight. As a result, visibility has been reduced to near zero are being reported over a number of locations in the southern prairies this morning. The fog is expected to dissipated toward midday but will likely develop over the region tonight into Friday morning.