Fog Cloud

D&D 2024 spell: Fog Cloud. Source: Player's Handbook (2024). level 1, school Conjuration, casting time 1 action, range 120 feet, duration Concentration, up t...

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

At Higher Levels

Using a Higher-Level Spell Slot The fog's radius increases by 20 feet for each spell slot level above 1.

Source: Player's Handbook (2024), p. 276 - Licenses and attribution