As any southern state can attest, when it snows all hell can break loose. Paradox looks to stress test your city later this year (PC, Mac, and Linux) with the Snowfall expansion for Cities: Skylines.
A free update introduces cosmetic rain and fog (along with other features), but the Snowfall expansion in particular adds a winter map theme that also brings with it snowplows to keep traffic flowing, streetcars, winter landmarks, and more. Builders will also have to contend with increased demands for electricity and road maintenance.
(Please visit the site to view this media)