http://wccftech.com/playerunknowns-battlegrounds-update-foggy-weather-weapon/

Developer Bluehole will be releasing a new PLAYERUNKNOWN’S BATTLEGROUNDS update which will include a “foggy weather” condition, a new weapon, and more.

The update is currently being worked on as we speak, and is scheduled to be deployed next week, the game’s official Twitter account tweeted. “We’ve been working on the new build and will deploy the update next week. Test servers will be up for at least 2 days early next week.”