Tomb of Annihilation Weather (rain, wind, and raincatchers)

A quick way to determine the daily weather in Chult. Based on the version of the DMG, this will let you quickly determine how much rain, wind, and how hot it is in Chult. Includes an easy table to determine how much rain they can collect per rest from their raincatchers based on the rainfall.

Weather

A day without rain is rare, but it can vary from a steady mist across the landscape to spirit drenching downpours.

Tropical Storm

Any good guide in Chult recommends hunkering down during a tropical storm. However, if the party still insists on traveling, they risk taking on multiple levels of exhaustion. See the Tomb of Annihilation chapter 1 for more details.

d20 Precipitation
1 – 5 None
6 – 10 Light rain (0.05 inches per hour)
11 – 15 Medium rain (0.25 inches per hour)
16 – 18 Heavy rain (1 inch per hour)
19 – 20 Tropical storm (3 inches per hour)

Strong Wind

A strong wind imposes disadvantage on ranged weapon attack rolls and Wisdom (Perception) checks that rely on hearing. A strong wind also extinguishes open flames, disperses fog, and makes flying by nonmagical means nearly impossible. A flying creature in a strong wind must land at the end of its turn or fall.

d20 Wind
1 – 12 None
13 – 17 Light
18 – 20 Strong

Rain Catchers

Purchased in Chult, these rain catchers allow adventurers to turn rain into clean drinking water during their travels. During a rest, anyone with a rain catcher may set it up and collect rain for drinking water. Although the rain during tropical storms are great, the conditions threaten to destroy the rain catcher should they attempt to leave it out to collect water.

Rainfall Short rest Long rest
Light rain None None
Medium rain None 4gal
Heavy rain 1gal 8gal
Tropical storm None None

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