All you gotta do to confirm this statement is take a look at the game’s rules.
Well over eighty percent of them are concerned with combat.
Most combat encounters should feel fair.
Meteor Swarm by Olivier Bernard
Exhaustion comes in multiple levels that continually worsen as a character fails more saves.
If enough of these rolls are failed, a character will end up outright dead.
Here’s a table examining the consequences.
You Look Upon The Tarrasque by Kekai Kotaki
If a character reaches ten levels of exhaustion, they die.
In extreme cases, weather might even paralyze or stun a creature.
Exiting the area of bad weather might immediately cure the associated status effect.
You Look Upon The Tarrasque by Kekai Kotaki
Then again, it might not.
As always, the harshness of your encounter design is left to you.
Better to be harsh and fair than kind and partisan.
Mountain by Sam White
Additionally, you might rule that the slippery area also counts asdifficult terrain.
Melee attacks made against a prone creature are rolled at advantage.
The damage these types of weather deal should only be unavoidable if it deals a relatively small amount .
Morphic Pool by Chris Ostrowski
Monsters with high Strength can use the Shove action fairly reliably to move creatures where they wish.
Alternatively, you could have them grapple and throw characters back into the damaging weather conditions.
Give a monster proficiency in Athletics if you want them to truly excel at this strategy.
Swamp by Piotr Dura
These types of weather effects bring theutmost extremesto a combat encounter andshould be used sparingly.
Beyond that, changing weather makes your game world feel both alive and lived in.
After all, strangers do like to default to talking about the weather, don’t they?
Hall of Storm Giants (Variant) by Alex Stone
As a DM, you probably want your encounters to be challenging but not impossible.
Here are some tips to ensure they’re balanced.