A change to a wetter and cooler weather pattern is expected to kick in on Friday and last through early next week. Much of the area will have a decent chance to get at least a quarter inch. A blend of models shows Billings picking up half an inch, while areas west and south could get up to an inch. As for mountain snow, snow levels are forecast to drop to around 10,000 feet on Friday, falling to 8,000 feet Saturday. From Sunday into Monday morning, levels could dip as low as 5,500 feet, potentially impacting the foothills.