1st-level Conjuration

Casting Time: 1 action

Range: 120 feet

Components: V, S

Duration: 1 hour (concentration)

You create a 20-foot-radius Sphere of fog centered on a point within range. The Sphere is Heavily Obscured. It lasts for the duration or until a strong wind (such as one created by Gust of Wind) disperses it.

Using a Higher-Level Spell Slot.

The fog’s radius increases by 20 feet for each spell slot level above 1.