Sleet Storm

D&D 2024 spell: Sleet Storm. Source: Player's Handbook (2024). level 3, school Conjuration, casting time 1 action, range 150 feet, duration Concentration, up...

Until the spell ends, sleet falls in a 40-foot-tall, 20-foot-radius Cylinder [Area of Effect] centered on a point you choose within range. The area is Heavily Obscured, and exposed flames in the area are doused. Ground in the Cylinder [Area of Effect] is Difficult Terrain. When a creature enters the Cylinder [Area of Effect] for the first time on a turn or starts its turn there, it must succeed on a Dexterity saving throw or have the Prone condition and lose Concentration.

Source: Player's Handbook (2024), p. 317 - Licenses and attribution