# Fog Cloud > [!info] Spell Details > | | | > |---|---| > | **Level** | 1st | > | **School** | [[Conjuration]] | > | **Casting Time** | 1 Action | > | **Range** | 120 feet | > | **Components** | V, S | > | **Duration** | Concentration, up to 1 hour | > | **Classes** | Druid, Ranger, Sorcerer, Wizard | --- ## Description You create a 20-foot-radius sphere of fog centered on a point within range. The sphere spreads around corners, and its area is **heavily obscured**. It lasts for the duration or until a wind of moderate or greater speed (at least 10 miles per hour) disperses it. --- ## At Higher Levels When you cast this spell using a spell slot of 2nd level or higher, the radius of the fog increases by **20 feet** for each slot level above 1st.